FLAT WHEAT FLAT BRUSH

专利摘要:
Flattened flat mop (1) for windscreen wipers, in particular for vehicles, characterized in that it comprises: a longitudinal strip (8) for wiping, at least one longitudinal vertebra (6) for stiffening, a longitudinal member ( 7) for maintaining said wiper blade and said stiffening vertebra, a longitudinal fairing (2, 3) having two end covers (3) and a central mount (2) extending between the end caps and being connected to the latter, the frame comprising means for attachment to said stiffening vertebra or said member for holding this vertebra, and each cap comprising means for guiding end portions of said member in translation.
公开号:FR3023810A1
申请号:FR1456919
申请日:2014-07-17
公开日:2016-01-22
发明作者:Vincent Gaucher；Stephane Houssat；Eric Poton
申请人:Valeo Systemes dEssuyage SAS；
IPC主号:

专利说明:

[0001] The present invention relates in particular to a flat windscreen wiper blade. STATE OF THE ART Typically, a wiper blade of a window such as the windshield of a motor vehicle includes a wiper blade, usually made of rubber, intended to rub against the window of the vehicle to evacuate water by bringing it out of the driver's field of vision. The broom is carried by an arm which is driven by a motor in an angular back and forth motion. Two wiper blade technologies, a ratchet mop technology, in the form of articulated stirrups that hold the wiper blade in several discrete places, and another flat mop technology (from the English flat blade), in the form of a semi-rigid set that holds the wiper blade along its entire length. In both solutions, the blade is attached to the rotating arm of the wiper by a set consisting of a mechanical connector and an adapter. The connector is a part that is fixed directly to the broom structure or directly to the flat broom, the adapter being an intermediate piece that allows the attachment of the connector on the arm of the wiper. These two parts are connected to each other by a transverse axis which allows their relative rotation. Brush mop technology is well known to those skilled in the art. Application FR-A1-2,681,028 of the Applicant describes for example a windscreen wiper blade asymmetrical. A spreader blade has the advantage of applying the wiper blade against the vehicle window with a pressure that is relatively homogeneous over the entire length of the blade. However, this technology has disadvantages such as, in particular, its bulk. Flat mop technology is also well known to those skilled in the art. In this case, the blade is equipped with at least one longitudinal vertebra that stiffens the wiper blade, so as to promote the application of this blade on the vehicle window. This vertebra is bent and its bending keeps the blade pressed against the glass, even at the longitudinal ends of the blade. It has already been proposed to careen a wiper blade in particular to optimize its aerodynamics. It is thus known to equip a broom wheel of a fairing. The Applicant has sought to perfect a flat wiper blade by equipping it with a fairing, and thus proposes a flat windshield wiper blade.
[0002] In the present application, flat broom means a broom including a bending vertebra. We mean flat mop, a flat broom equipped with a fairing. Fairing means an exterior equipment generally profiled. DESCRIPTION OF THE INVENTION The invention has several aspects whose characteristics can naturally be combined with each other. According to a first aspect, the invention proposes an end cap for a flat windscreen wiper blade, in particular for a vehicle, comprising a first housing configured to receive an end of a stiffening vertebra of the wiper, characterized in that it comprises, on at least one of its outer faces, at least one projecting stop which is configured to cooperate with an end cap of the blade. This is particularly useful in the case where the end cap is likely to move with respect to the flat blade, and in particular with respect to the end tip of the flat blade. The stroke of displacement of the end cap vis-à-vis the end cap is thus limited by the projecting stops of the end piece. The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or several other aspects of the invention: the tip comprises two lateral external faces substantially parallel to each other by an upper outer face, - the upper outer face comprises a projecting abutment, - at least one of the outer lateral faces comprises a projecting abutment, - the or each abutment has a bearing face oriented in a direction substantially parallel to an axis of elongation of the tip, the or each abutment comprises an inclined portion forming a ramp configured to cooperate with said end cap, the first housing has an elongated shape and comprises a longitudinal end open for engaging the end of the vertebra in said housing, and a closed longitudinal end, - the composite end and a second housing configured to receive an end of a wiper blade and / or a third housing configured to receive an end of a blade holding member. The invention also proposes an end cap for a flat windscreen wiper blade, in particular for a vehicle, this cap having a generally elongated shape and having at one longitudinal end two substantially parallel lateral wings defining between them a configured space for receiving a tip end of the blade, characterized in that it comprises at least one projecting stop which is configured to cooperate with said end piece.
[0003] The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: the side wings comprise substantially parallel inner faces; at least one of these internal faces having a protruding abutment, said longitudinal end comprises a transverse connecting wing of said lateral wings, said transverse wing defining a projecting abutment, the abutment or abutment has a bearing face. oriented in a direction substantially parallel to an axis of elongation of the cover, - the or each abutment comprises an inclined portion forming a ramp configured to cooperate with the end cap, the invention also provides an assembly comprising a nozzle of end and an end cap as described above.
[0004] The invention also provides a flat windscreen wiper blade, in particular a vehicle, comprising an end cap and / or an end cap as described above. According to a second aspect, the invention relates to an assembly comprising a central mount and an end cap for a flat, shrouded wiper blade, in particular a vehicle, the mount comprising means for attaching to a rigidifying vertebra of the broom or a member for maintaining this vertebra, the central mount forming an element and the end cap forming another element, one of said elements carrying means of articulation of the other of said elements around at least an axis, characterized in that said elements comprise protruding abutments which are configured to cooperate together and define an extreme position of pivoting elements vis-à-vis the other about said axis. The center mount of the fairing may be likened to a prior art connector in that it includes attachment means to the flat blade, and in particular to its vertebra or to its holding member. The mount and end cap are hinged and pivotable relative to each other. The protruding stops limit the angular movement and precisely define an extreme position of pivoting.
[0005] The invention may include one or more of the following features, which features may further be combined with another or more features of another or more other aspects of the invention: - a first of the elements comprises a protruding finger articulated vis-à-vis 10 a second of the elements - the finger carries a hinge axis or comprises an orifice traversed by a hinge pin - the axis of articulation is defined by pins carried by the finger and housed at least partly in recesses of said second element, or carried by the second element and housed at least partly in recesses or a through hole of the finger, - the finger has a free end forming one of said stops the free end of the finger comprises at least one chamfer defining an abutment face, the finger has a substantially parallelepipedal elongated shape and comprises a longitudinal face which is substantially parallel to said axis and on which at least one of said abutments is formed; - the second element comprises at least two lateral longitudinal walls defining between them a space configured to receive said finger, at least one of these walls comprising at least one of said stops extending in said space, or the abutment of the second member is formed by a longitudinal or transverse rib, a longitudinal edge of a first of the longitudinal walls of the second member is connected to a longitudinal edge of one second of the longitudinal walls of the second element so that the second element has a substantially dihedral shape, or the abutment extends in said space from a connection zone of said longitudinal walls; or a stop of the second element comprises a free edge or a chamfered free end defining a bearing face, - said first element is the one hundred mount and said second element is the end cap, at least one of said elements comprises or forms an aerodynamic deflector. The invention also provides a flat windscreen wiper blade, in particular a vehicle, comprising an assembly as described above. According to a third aspect, the invention relates to a central mount for a flat windscreen wiper blade, in particular for a vehicle, comprising means for attaching to a stiffening vertebra of the blade or to a member for holding this vertebra. and a window configured to receive a mop link adapter at a drive arm of said mop, said window having an elongate shape and extending between two longitudinal side walls between which a resilient interlocking transverse shaft extends. and articulation of the adapter, characterized in that the window is configured to allow mounting of the adapter and its snapping on said axis in a first position in which a first longitudinal end of the adapter is oriented towards a first longitudinal end of the window, as well as in a second position in which said first longitudinal end of the window The adapter is oriented toward an opposite second longitudinal end of the window. As in the prior art, the wiper is intended to be equipped with a link adapter of the arm to the wiper and in particular to the wiper mount which forms a connector, as described in the foregoing. The invention is particularly advantageous here because it allows the mounting of the adapter in one direction or the other in the window of the frame. It is thus possible to mount the same type of broom on the two wiper arms of a vehicle windshield.
[0006] In this application, the term elastic snap-fitting, an elastic casing, also called clipping. The invention may include one or more of the following features, these features being further capable of being combined with one or more other features of another or more other aspects of the invention: the window has a symmetry with respect to a median longitudinal plane, - the window has a symmetry with respect to a median transverse plane, - said longitudinal side walls have on the inner faces 15 notches or recesses for receiving and moving portions of the adapter, - the frame comprises a aerodynamic deflector, - the mount has an elongated shape and comprises at each of its longitudinal ends means of articulation to an end cap 20 of the wiper, - the attachment means comprise at least one pair of lateral hooks extending to distance from each other and each defining a longitudinal notch configured to slidably receive longitudinal said vertebra, 25 - the fixing means comprise two pairs of hooks which are at axial distance from each other, - a transverse plane passing through said axis passes substantially between the two pairs of hooks and equidistant from those -this. The invention also provides an assembly comprising a center mount as described above and a link adapter to a mop drive arm.
[0007] The invention may include one or more of the following features, which features may further be combined with another or more features of another or more other aspects of the invention: - the adapter comprises two substantially parallel lateral wings and interconnected by a median portion defining a cylindrical housing for receiving the axis of the mount by snap elastic, - at least one of said side wings of the adapter comprises a lug oriented on the opposite side to the other wing side and intended to be housed in a notch or recess of the frame. The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a central mount or an assembly as described above. According to a fourth aspect, the invention relates to an assembly comprising a central mount for a flat windscreen wiper blade, in particular a vehicle, and a linkage adapter of the blade to a drive arm of said blade, the frame comprising fixing means to a stiffening vertebra of the blade or to a member for holding this vertebra, the frame further comprising a housing window of said adapter, this window having an elongate shape and extending between two longitudinal side walls of the mounting, between which extends a transverse axis of articulation of the adapter, the adapter having a generally elongate shape and having two longitudinal side wings interconnected by a middle portion defining a cylindrical housing for receiving the axis by elastic snap, characterized in that, in the mounting position, a first circumference centered on said axis and passing sensib the first longitudinal end of the adapter has a maximum radius which is less than a minimum radius of a second circumference centered on said axis and substantially passing through the mounting means of the frame.
[0008] This makes it possible to increase the angular displacement of the adapter around the transverse axis. Indeed, the end of the adapter is designed to not be able to abut against the mounting means of the frame during rotation of the adapter around the base.
[0009] The invention may include one or more of the following features, which features may further be combined with another or more features of another or more other aspects of the invention: - the maximum radius is between 10 and 20mm , preferably between 12 and 18 mm, and more preferably between 14 and 16 mm, - the minimum radius is at least 1 mm greater than the maximum radius, - the fixing means comprise at least one pair of lateral hooks extending at a distance of 1 mm. one of the other and each having a longitudinal notch configured to receive by longitudinal sliding said vertebra, - the fixing means comprise two pairs of hooks which are at axial distance from one another, - a transverse plane passing through said axis passes substantially between the two pairs of hooks and at an equal distance therefrom; the adapter comprises, at its second longitudinal end, a pin lateral stop configured to cooperate with the mount and define an extreme position of pivoting of the adapter vis-à-vis the mount about said axis, - said window has a symmetry with respect to a median longitudinal plane, - said window has a symmetry with respect to a median transverse plane, - said longitudinal side walls have on the inner faces notches or recesses for receiving and moving at least one lug of the adapter, - the frame comprises an aerodynamic deflector, the frame has an elongated shape and comprises at each of its longitudinal ends means of articulation to an end cap of the blade. The invention also relates to a flat, shrouded wiper blade, in particular for a vehicle, comprising an assembly as described above. According to a fifth aspect, the invention relates to an end cap for a flat windscreen wiper, in particular a vehicle, comprising sliding guide means configured to cooperate with a longitudinal member for retaining a blade. wiper blade, characterized in that said guide means comprise two lateral substantially L-shaped hooks configured to extend on each side of said member, each hook having a substantially vertical portion whose lower end is connected to a substantially horizontal extending from the side of the other hook, the vertical portion of at least one of said hooks having point support means on said member. The punctual support hooks on the body to limit friction and optimize the guidance of the body. They can also make it possible to circumvent the problem of manufacturing tolerance of parts. The invention may include one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: the vertical portions of the two hooks comprise means punctual support on said member, - the vertical portion of the or each hook comprises a lug whose free end is configured to cooperate with said member, - the lug or each lug has a generally rounded shape, - the lug is located substantially in the middle of the vertical portion of the or each hook, - the upper ends of the vertical portions of the hooks are connected together by an upper wall having means for point support on said member, - the one-off support means of the upper wall comprise at least one lug, - the lug of the upper wall has a generally rounded shape, - the lug is located substantially at middle of the upper wall, the hooks, and possibly said upper wall, are defined by a transverse wall of the hood, the hood has a substantially dihedral section in section and comprises two longitudinal walls interconnected and defining between them a housing; mounting said body, - the transverse wall connects the two longitudinal walls of the hood. - The transverse wall is a stiffening wall of the hood.
[0010] The invention also relates to an assembly comprising a cover as described above and a retaining member of a wiper blade which is slidably mounted between the hooks of the cover. The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a hood as described above.
[0011] According to a sixth aspect, the invention relates to a hooded center mount for a flat windscreen wiper, in particular a vehicle, comprising a frame having a window configured to receive a link adapter from the blade to a drive arm. said broom, the window having an elongated shape, characterized in that it comprises at least a partial closure cowling of said window, which is detachably attached to the frame. In the present application, the term cowling means an element which defines an outer face generally profiled and which can be used to close a window for example.
[0012] In the aforementioned case, the cowling closes the window of the frame and improve the aesthetics and aerodynamics of the latter. It is thus possible to provide a large window in the frame, for example to facilitate the mounting of the adapter, without around that it affects the aesthetics or aerodynamics of the brush. The invention may include one or more of the following features, these features being further capable of being combined with one or more other features of another or more other aspects of the invention: the frame comprises two closure cowls of the window, - a first cowling is configured to close a longitudinal end portion of the window and a second cowling is configured to close an opposite longitudinal end portion of the window, - the or each cowling is fixed on the mount by snapping elastic or interlocking, - the or each cowling comprises at least one tab configured to cooperate by interlocking with a recess of substantially complementary shape of the frame, - the or each cowling comprises at least one resiliently deformable hook configured to cooperate by elastic snap with a complementary means of the frame, 20 - the or at least one capo stage is pivotally mounted about an axis carried by the mount, - the axis or each axis is located near a longitudinal end of the window, - the or each cowling comprises elastic latching means 25 on the corresponding axis, - the or each cowling comprises stop retaining means configured to cooperate with said adapter, - the or each cowling comprises a non-planar outer face, - said window has an elongate shape and extends between two side walls 30 longitudinal of the frame, between which extends a transverse axis of articulation of the adapter, - the mount has an elongate shape and comprises at each of its longitudinal ends means of articulation to an end cap of the blade, - The mount comprises fixing means to a stiffening vertebra of the blade or to a member for maintaining this vertebra. The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a frame as described above. According to a seventh aspect, the invention relates to a central mount for a flat windscreen wiper blade, in particular a vehicle, comprising a window configured to receive a link adapter of the blade to a drive arm of said blade, the window having an elongate shape and extending between two longitudinal side walls of the frame, characterized in that the side walls are interconnected by removable connecting and stiffening means. The connecting means extend between the side walls of the frame and the rigidify. The connecting means may however interfere with the mounting of the adapter in the window. According to the invention, these connecting means are removable and can be removed temporarily or permanently, for example to facilitate the mounting of the adapter. The invention may include one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or several other aspects of the invention: the connecting and stiffening means are breakable or cut-off or dismountable, the connecting and stiffening means comprise at least one cross-member, the or each cross-member has an elongate bar shape, the cross-member or each cross-member is formed by a bridge of material, the cross-member or each cross-member. comprises at least one portion of weakness, - the connecting and stiffening means comprise two crosspieces arranged symmetrically with respect to a transverse plane passing substantially through the middle of the slot, - the frame has an elongated shape and comprises each of its longitudinal ends of the articulation means to an end cap of the blade, the mount comprises means for fastening to a vertebra of stiffening of the blade or a member for maintaining this vertebra, said window has an elongate shape and extends between two longitudinal lateral walls of the frame, between which extends a transverse axis of articulation of the adapter, - said window comprises at each of its longitudinal ends a transverse axis for mounting a partial closure cowling of the window, the invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a frame as described above. The invention also relates to a method of mounting a brush as described above, characterized in that it comprises a step of removing at least one of the connecting means and stiffening of the frame before mounting the adapter in his window. According to an eighth aspect, the invention relates to a shroud for a flat windscreen wiper, in particular a vehicle, comprising two end covers and a central mount which is located between the two end caps and which comprises securing means to a stiffening vertebra of the blade or to a member for holding said vertebra, the frame further comprising a window configured to receive a link adapter of the blade to a drive arm of said blade, characterized in that the hoods are connected to the mount by connecting means which prevent any displacement of the covers vis-à-vis the mount.
[0013] For some brooms, such as short brooms, it may be disadvantageous to have end caps movable vis-à-vis the central mount. The invention solves this problem by preventing any displacement of the covers vis-à-vis the mount.
[0014] The invention may include one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: - the means for attaching the frame to each bonnet comprise hinge means, - each bonnet is connected by a hinge pin to a longitudinal end of the frame, - each cover comprises at least one stop configured to prevent any rotation of the bonnet vis-à-vis the mount around said axis, - said at least one stop is configured to cooperate with a finger projecting from the frame, - said finger carries said axis or comprises an orifice through which said axis passes, - the frame and / or each end cap comprises or forms an aerodynamic deflector, - the mount and / or each end cap has in cross section a substantially dihedral shape over at least a portion of its length dimension - The mount comprises a window configured to receive a link adapter of the blade to a drive arm of said blade. The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a fairing such as as described above. According to a ninth aspect, the invention relates to a shroud for a flat windscreen wiper, in particular a vehicle, comprising two end covers and a central mount which is located between the two end caps and which comprises fastening means to a stiffening vertebra of the blade or to a member for holding said vertebra, the frame further comprising a window configured to receive a link adapter of the blade to a drive arm of said blade, characterized in that the covers are made in one piece with the frame.
[0015] This allows in particular to simplify the manufacture of the fairing. The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or several other aspects of the invention: the fairing comprises at least one marking of delimitation extending between the mount and each cover, - said at least one boundary mark comprises a groove, - the mount and / or each end cap comprises or forms an aerodynamic deflector, - the mount and / or each cover of end has in cross section a substantially dihedral shape over at least a portion of its longitudinal dimension, - the frame comprises a window configured to receive a link adapter of the blade to a drive arm of said blade, - the fairing comprises means guide in translation of a holding member of a wiper blade and / or a stiffening vertebra. The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a fairing as described above. According to a tenth aspect, the invention relates to a central mount for a flat windscreen wiper blade, in particular a vehicle, the mount having an elongated shape and comprising at each of its longitudinal ends means for connecting to a cover of end of the blade, the mount further comprising means for attachment to a stiffening vertebra of the blade or to a member for maintaining this vertebra, characterized in that it further comprises or forms an aerodynamic deflector.
[0016] The aerodynamic baffle forms an air intake and allows in use to keep the broom resting against the windshield. The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: the connecting means are means for articulation, - the mount comprises at each of its longitudinal ends a protruding finger carrying a hinge pin or having an orifice configured to be traversed by a hinge axis, - the frame comprises two longitudinal side walls, a longitudinal edge of a first of these walls being connected to a longitudinal edge of a second of these walls so as to form substantially a dihedron at least at the longitudinal ends of the frame, each finger extends from a transverse connecting wall of said longitudinal sidewalls, - each finger has an axis of elongation extending in a longitudinal plane which is substantially perpen dicular to said corresponding hinge axis and which passes substantially through said longitudinal edges, - each finger has a generally parallelepipedal general shape, - the frame further comprises a window configured to receive a link adapter of the blade to a drive arm of said broom, said axis of elongation of each finger being substantially parallel and at a distance from a median longitudinal plane of the window. The invention also relates to an end cap for a streamlined flat wiper blade, in particular vehicle, the hood having an elongated shape and comprising at one of its longitudinal ends means for connection to a central mount of the blade, characterized in that it further comprises or forms an aerodynamic deflector.
[0017] The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other characteristics of another or more other aspects of the invention: the connecting means are means for articulation, - said longitudinal end carries a hinge axis or comprises at least one orifice configured to receive a hinge axis, - the cover comprises two longitudinal side walls, a longitudinal edge of a first of these walls being connected to a longitudinal edge of a second of these walls so as to form substantially a dihedron, - said axis or said orifice is carried by or formed on at least one reinforcement of at least one of said longitudinal side walls. The invention also relates to an assembly comprising a frame and a cover as described above. The invention also relates to a flat windscreen wiper blade, particularly a vehicle, comprising a frame and / or a cover as described above. According to an eleventh aspect, the invention relates to a central mount for a flat windscreen wiper blade, in particular a vehicle, the mount having an elongate shape and comprising at each of its longitudinal ends means for connecting to a cover of end of the blade, the mount further comprising means for attachment to a stiffening vertebra of the blade or to a member for holding this vertebra, characterized in that it comprises at each of its longitudinal ends a first peripheral rim configured for at least partly engaged in a longitudinal end of the corresponding cap and to be at least partly covered by a second peripheral flange of said longitudinal end of the cap. This makes it possible to limit or even prevent the passage of air between the frame and the hood, in particular in use, and therefore to improve the aerodynamics of the blade. This also improves its aesthetics.
[0018] The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other characteristics of another or more other aspects of the invention: the connecting means are means for articulation, - the frame comprises two longitudinal side walls, a longitudinal edge of a first of these walls being connected to a longitudinal edge of a second of these walls so as to form substantially a dihedron at least at the longitudinal ends of the mounting, - the connecting means extend from transverse connecting walls of said longitudinal side walls, - each first edge is defined by the outer periphery of one of said transverse walls, - each first edge extends over the entire extent transverse of said longitudinal walls, - each first rim extends over the entire height of said longitudinal walls, - ch the first flange is formed by a groove of the outer periphery of the frame, - each first rim has an axial dimension of between 1 and 5 mm, and preferably between 1 and 3 mm. The invention also relates to an assembly comprising a frame as described above and an end cap.
[0019] The invention also relates to an end cap for a flat windscreen wiper blade, in particular a vehicle blade, the cap having an elongated shape and comprising at one of its longitudinal ends means for connecting to a central mount of the wiper blade. , characterized in that it comprises at this longitudinal end a second peripheral rim configured to be at least partly engaged in a longitudinal end of the frame and to be at least partly covered by a first peripheral rim of said longitudinal end of the mount. The connecting means may be articulation means. The invention also relates to an assembly comprising an end cap as described above and a central mount. The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a frame or a cover as described above. According to a twelfth aspect, the invention relates to a central mount for a flat windscreen wiper blade, in particular a vehicle, the mount having an elongate shape and comprising means for fixing to a stiffening vertebra of the blade or to a member for holding this vertebra, the frame further comprising a window configured to receive a link adapter of the blade to a drive arm of said blade, characterized in that it comprises a deflector whose upper longitudinal edge extends substantially parallel and at a distance from a substantially vertical median longitudinal plane of the window and / or a substantially vertical median longitudinal plane of the fastening means. The edge of the deflector is thus shifted in the transverse direction of the middle of the blade. The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: the frame comprises two longitudinal sidewalls, one longitudinal edge of a first of these side walls being connected to a longitudinal edge of a second of these side walls so as to form said edge of the deflector, - said side walls substantially form a dihedron at least at the longitudinal ends of the mount, - the mount comprises at each of its longitudinal ends means for connecting to an end cap of the blade, - the connecting means extend from transverse connecting walls of said longitudinal side walls, - the connecting means are articulation means, the mount comprises at each of its longitudinal ends a finger projecting a bearing axis or having an orifice configured to be traversed by a hinge axis, each finger has an axis of elongation extending in a longitudinal plane which is substantially perpendicular to said corresponding axis of articulation and which passes substantially through said ridge, - each finger has a generally parallelepipedal shape. The invention also relates to an assembly comprising a frame as described above and an end cap.
[0020] The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a frame or assembly as described above. According to a thirteenth aspect, the invention relates to a central mount for a flat windscreen wiper blade, in particular a vehicle, the mount having an elongate shape and comprising means for fixing to a stiffening vertebra of the blade or to a member for holding said vertebra, the mount further comprising a window configured to receive a link adapter of the blade to a drive arm of said blade, the window having an elongate shape and extending between two longitudinal side walls between which extends an articulation axis of said adapter, characterized in that said axis is located above a longitudinal plane substantially parallel to said axis and passing substantially through the upper ends of the longitudinal end portions of the frame.
[0021] The axis of articulation of the adapter is thus raised, which allows in particular to allow greater angular movement of the arm vis-à-vis the brush. The invention may include one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: at least at the end portions longitudinally of the frame, an upper longitudinal edge of a first of said side walls is connected to an upper longitudinal edge of the second of said side walls so as to form an upper edge of an aerodynamic baffle, said longitudinal plane passing substantially through said ridge; upper longitudinal end portions of the frame, - said side walls substantially form a dihedral at the longitudinal end portions of the frame, - at said window of the frame, the upper longitudinal edges of said side walls are spaced apart from each other to define peripheral edges of this window, - said peripheral edges of the window have upper ends located above said plane, - said peripheral edges of the window have a generally rounded shape, - the frame comprises at each of its longitudinal ends means of connection to a end cap of the wiper, - the connection means extend from transverse connecting walls of said longitudinal side walls, - the connecting means are hinge means, - the mount comprises at each of its longitudinal ends a finger protruding bearing a hinge pin or having an orifice configured to be traversed by a hinge pin, - each finger has an axis of elongation extending in a longitudinal plane which is substantially perpendicular to said corresponding hinge axis and which passes substantially through said ridge, - each finger has a generally parallelepipedal shape.
[0022] The invention also relates to an assembly comprising a frame as described above and an end cap. The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a frame or assembly as described above.
[0023] According to a fourteenth aspect, the invention relates to a set of two shrouds for fair-ground windscreen wiper blades, in particular for vehicles, comprising a short fairing and a long fairing, each fairing having an elongated shape and comprising two cowling covers. end and a central mount which extends between the end caps and which has at its longitudinal ends means for connecting the end covers, characterized in that the central frames of the two fairings are identical and therefore interchangeable. This is particularly advantageous because it makes it possible to limit the number of references for the central frame, a unique reference 20 that can serve, for example, to make fairings of several different lengths. The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: each mount comprises a stiffening vertebra or a member for holding this vertebra, - each frame comprises a window configured to receive a link adapter of the blade to a drive arm of said blade, - the window has an elongate shape and extends between two longitudinal side walls between which extends an axis of articulation of said adapter, the connecting means are hinge means, each frame forms or comprises an aerodynamic deflector, each frame comprises two longitudinal side walls, first longitudinal edges are interconnected so that said walls substantially form a dihedron at least at the longitudinal ends of the frame, the dihedron defines an upper longitudinal edge of the mount, said edge extending substantially parallel to and at a distance from a median longitudinal plane of the mount fixing means; longitudinal side walls have, opposite said first longitudinal edges, second free longitudinal edges or 15 connected to longitudinal side wings; the second longitudinal edge of one of said longitudinal side walls is located substantially in a substantially longitudinal first plane; horizontal which is at a distance from a second substantially horizontal longitudinal plane substantially passing through the second longitudinal edge of the other of said longitudinal side walls, said lateral wings are connected to means configured to guide in translation a holding member of a blade for wiping the blade, - said lateral wings are t interconnected by a transverse wall in which is formed a passage for guiding said body, the mounts have a length of between 15 and 30 cm. The invention also relates to a fairing assembly method for faired flat windscreen wiper blades, in particular for vehicles, comprising a short fairing assembly step and a long fairing assembly step, each fairing having an elongated shape and having two end caps and a central mount which has at its longitudinal ends means for connecting the end covers, characterized in that the step of mounting a short fairing comprises the assembly of a first center mount reference with a first end cap reference for short fairing, and in that the long fairing mount step includes assembling said first center mount reference with a second base reference. end caps for long fairing. According to a fifteenth aspect, the invention relates to a shroud for a flat wiper blade, in particular a vehicle, the fairing having an elongated shape and having two end covers and a central mount which extends between the covers end and which has at its longitudinal ends means for connecting the end caps, the mount comprising a window configured to receive a link adapter of the blade to a drive arm of said blade, the window having an elongate shape and extending between two longitudinal side walls between which extends a transverse axis of articulation of the adapter, characterized in that the ratio between the longitudinal distance between a first transverse plane passing substantially through said axis and a second transverse plane passing through substantially by the connection means of the frame to each hood, and the half length of the fairing, is between 20 and 70%. The invention may include one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: the ratio is between 25 and 65% , and preferably between 27 and 59%, each frame comprises means of attachment to a stiffening vertebra or to a member for maintaining this vertebra, the connecting means are means of articulation, at least one of elements among the frame and covers form or 30 comprises an aerodynamic deflector, - at least one of the frame and the covers comprises two longitudinal side walls whose first longitudinal edges are interconnected so that said walls form substantially a dihedral on at least a part of the longitudinal dimension of the element, - the dihedron defines an upper longitudinal edge of the mount e or the cover, - said edge extends substantially parallel and at a distance from a median longitudinal plane of the window, - said longitudinal side walls comprise, opposite said first longitudinal edges, second longitudinal edges free or connected to longitudinal side wings, - the second longitudinal edge of one of said longitudinal side walls is located substantially in a first substantially horizontal longitudinal plane which is at a distance from a second substantially horizontal longitudinal plane substantially passing through the second longitudinal edge of the other of said longitudinal side walls, said lateral wings are connected to means configured to guide in translation a holding member of a wiper blade of the wiper, said lateral wings are interconnected by a transverse wall in which is formed a passage for guiding said member, - the frame has a length compr ise between 15 and 30cm. The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a fairing as described above. According to a sixteenth aspect, the invention relates to a central mount for a flat windscreen wiper blade, in particular a vehicle, the mount having an elongate shape and comprising means for fixing to a stiffening vertebra of the blade or to a member for maintaining this vertebra, the frame further comprising a window configured to receive a link adapter of the blade to a drive arm of said blade, characterized in that it comprises at least one stiffening rib having at least one mark a point of support for the ejection of the frame of a manufacturing mold. This is particularly advantageous because the mark left by a fulcrum for the ejection of the frame is not aesthetic. When this mark is located on a large face, it is visible and unsightly. Providing the fulcrum on a stiffening rib makes it possible to limit the visibility of the mark of the fulcrum. Moreover, the mark is generated by a sink of material that can affect the health of the room. The rib is a relatively rigid and resistant part, the mark does not affect the health of the room. The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: the frame comprises at least two stiffening ribs each comprising at least one mark, - said ribs are substantially transverse, - the frame comprises at least two intersecting stiffening ribs, at least one mark being located on a junction zone 20 of the ribs, - the or each mark is formed on a free end edge of a rib, the frame comprises two longitudinal side walls which are interconnected so as to form substantially a dihedron at least at the longitudinal ends of the frame, said at least one rib extending between inner faces of said longitudinal side walls, - the frame comprises at each of its ends The invention also relates to an end cap for a flat shrouded wiper blade, in particular a vehicle, the hood having an elongated shape and comprising one of its longitudinal ends means connecting a central mount of the blade, characterized in that it comprises at least one stiffening rib having at least one mark of a fulcrum for the ejection of the hood of a manufacturing mold.
[0024] The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: the hood comprises at least two stiffening ribs each having at least one mark, - said ribs are substantially transverse, - the cap comprises at least two intersecting stiffening ribs, at least one mark being located on a junction zone of the ribs, - where each mark is formed on a free end edge of a rib, the cover comprises two longitudinal side walls which are interconnected so as to form substantially a dihedron, said at least one rib extending between internal faces of said longitudinal side walls, The invention also relates to an assembly comprising a frame and a cover as described above. The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a frame or a cover as described above. According to an eighteenth aspect, the invention relates to a flat windscreen wiper blade, in particular a vehicle, characterized in that it comprises: - a longitudinal strip of wiping, - at least one longitudinal vertebra of stiffening, 30 - a longitudinal member for maintaining said wiper blade and said stiffening vertebra, - a longitudinal fairing comprising two end caps and a central mount extending between the end covers and being connected to these last, the frame comprising means for attachment to said stiffening vertebra or said retaining member of this vertebra, and each cap comprising means for guiding end portions of said member in translation. The invention may comprise one or more of the following features, these characteristics being furthermore capable of being combined with another or several other characteristics of another or of several other aspects of the invention: the frame comprises at each of its longitudinal ends means of articulation of the corresponding end cap, the mount comprises a window configured to receive a link adapter of the blade to a driving arm of said blade, the window has an elongate shape and extends between two walls longitudinal side of the frame between which extends an axis of articulation of said adapter, - the member comprises a first longitudinal housing for receiving a bead of the wiper blade and a second longitudinal housing for receiving the vertebra, - The vertebra is resting on the heel of the blade or is separated from the heel by a longitudinal wall of said body, - the blade includes a uniq ee vertebra, - at least one of the frame and cap forms or comprises an aerodynamic deflector, - at least one of the frame and the covers comprises two longitudinal sidewalls whose first longitudinal edges are interconnected so that said walls substantially form a dihedral on at least a longitudinal portion of said element, the dihedron defines an upper longitudinal edge of the mount or hood, said edge extends substantially parallel and at a distance a longitudinal median plane of the mounting means of the frame, - said longitudinal side walls comprise, opposite said first longitudinal edges, second longitudinal edges free or connected to longitudinal side wings, - the second longitudinal edge of the one of said longitudinal side walls is located substantially in a substantially longitudinal first longitudinal plane zontal which is at a distance from a second substantially horizontal longitudinal plane passing substantially through the second longitudinal edge of the other of said longitudinal side walls, - said guide means extend between said lateral wings, - said lateral wings are interconnected by a transverse wall in which is formed a passage for guiding said member. According to an eighteenth aspect, the invention relates to a central mount for a flat windscreen wiper blade, in particular a vehicle, the mount having an elongate shape and comprising at each of its longitudinal ends means of articulation to an end cap of the blade around at least one axis, the mount further comprising means for attachment to a stiffening vertebra of the blade or to a member for holding the vertebra, characterized in that a first longitudinal plane median articulation means, substantially perpendicular to said axis, is substantially parallel and at a distance from a second median longitudinal plane of said fixing means. The hinge means are thus offset in the transverse direction of the fastening means. The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or several other aspects of the invention: the frame comprises at each of its longitudinal ends a protruding finger carrying a hinge pin or having an orifice configured to be traversed by a hinge pin, - the frame comprises two longitudinal side walls, a longitudinal edge of a first of these walls being connected to a longitudinal edge a second of these walls so as to form substantially a dihedron at least at the longitudinal ends of the frame, - each finger extends from a transverse wall connecting said longitudinal side walls, - each finger has an axis of elongation extending in a longitudinal plane which is substantially perpendicular to said corresponding hinge axis and which passes substantially through said longitudinal edges, - each finger has a substantially parallelepipedal general shape, - the frame further comprises a window configured to receive a link adapter of the blade to a drive arm of said blade, said first median longitudinal plane is substantially parallel and remote from a third median longitudinal plane of the window. The invention also relates to an end cap for a flat windscreen wiper blade, in particular a vehicle blade, the cap having an elongated shape and comprising at one of its longitudinal ends articulation means to a central frame of the broom, the bonnet further comprising means for guiding in translation a holding member of a blade for wiping the broom, characterized in that a first median longitudinal plane of the articulation means, substantially perpendicular to said axis, is substantially parallel and at a distance from a second median longitudinal plane of said guide means. The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: said longitudinal end carries a hinge axis or comprises at least one orifice configured to receive a hinge axis, the cover comprises two longitudinal side walls, a longitudinal edge of a first of these walls being connected to a longitudinal edge of a second of these walls so as to forming substantially a dihedron, - said axis or said orifice is formed on an inner longitudinal wall of at least one of said longitudinal side walls. The invention also relates to an assembly comprising a frame and a cover as described above.
[0025] The invention also relates to a flat windscreen wiper blade, particularly a vehicle, comprising a frame and / or a cover as described above. According to a nineteenth aspect, the invention relates to an end cap for a flat windscreen wiper blade, in particular a vehicle, this cap having an elongated shape and comprising means defining a longitudinal sliding passage of a longitudinal member for holding a blade for wiping the blade, characterized in that it further comprises at least one guide ramp configured to facilitate the insertion of said member in said passage.
[0026] The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other characteristics of another or of several other aspects of the invention: said means comprise at least one transverse wall in protrusion on an inner face of the cover and defining said longitudinal passage, - said transverse wall comprises two lateral substantially L-shaped hooks configured to extend on each side of said member, each hook having a substantially vertical portion whose lower end is connected to a substantially horizontal portion extending on the side of the other hook, - the upper ends of said vertical parts of the hooks are connected together by an upper horizontal part of said transverse wall, - said horizontal part of each hook has a thickening in the longitudinal direction , in which is formed a guide rail; the hood comprises two longitudinal side walls whose first longitudinal edges are interconnected so that said longitudinal side walls substantially form a dihedron; said longitudinal side walls comprise, opposite said first longitudinal edges; , second longitudinal edges free or connected to longitudinal side wings, - the second longitudinal edge of one of said longitudinal side walls is located substantially in a first substantially horizontal longitudinal plane which is at a distance from a second substantially horizontal longitudinal plane passing substantially by the second longitudinal edge of the other of said longitudinal side walls, - said means extend between said lateral wings, - the hood comprises two ramps which are symmetrical with respect to a substantially vertical median longitudinal plane of said means, - said ramps include substantially co-planar inclined guide faces. The invention also relates to an assembly comprising a hood as described above and a retaining member of a wiper blade which is slidably mounted in the passage of said means.
[0027] The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a hood as described above. According to a twentieth aspect, the invention relates to a central mount for a flat windscreen wiper blade, in particular a vehicle, the mount having an elongate shape and comprising means for fixing to a stiffening vertebra of the blade or to a member for holding this vertebra, the frame further comprising a window configured to receive a link adapter of the blade to a drive arm of said blade, said window having a hinge pin of said adapter, the frame having two longitudinal side walls which define between them a housing space of said member, characterized in that said longitudinal side walls comprise free lower longitudinal edges which are located respectively in two longitudinal planes substantially parallel to said axis, which are distinct. The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: said longitudinal sidewalls comprise longitudinal edges; which are connected together so that the mount has a substantially dihedral shape over at least a part of its length, - the mount comprises at each of its longitudinal ends means for connecting to an end cap of the broom the connecting means extend from transverse connecting walls of said longitudinal side walls; the connecting means are articulation means; the mount comprises at each of its longitudinal ends a projecting finger carrying an axis. hinge or having an orifice configured to be traversed by a hinge axis, - each finger has an axis of elongation extending in a longitudinal plane 25 which is substantially perpendicular to said corresponding axis of articulation and which passes substantially through said edge, - each finger has a generally parallelepipedal general shape, the invention also relates to an assembly comprising a frame as described above and an end cap.
[0028] The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a frame or assembly as described above. According to a twenty-first aspect, the invention relates to a link adapter of a drive rod arm to a flat shrouded wiper blade, in particular a vehicle, this adapter having an elongated shape and comprising two longitudinal lateral wings interconnected by a median portion defining a cylindrical housing configured to receive a hinge pin, characterized in that it comprises a longitudinal housing configured to receive an end of said rod arm, and locking means configured to cooperate with the arm and ensure its retention in said longitudinal housing. In the present application, there is a drive arm of the type end-angled or U-shaped ("U-arm"), a drive arm of the right-end type ("arm rod"). The invention applies to a U-arm or an arm rod, or to any other type of drive arm. The invention may comprise one or more of the following features, these features being furthermore capable of being combined with one or more other features of another or more other aspects of the invention: the cylindrical housing is configured to receive said axis articulated by elastic snap-fastening, - said locking means comprise a longitudinal tab of which a free longitudinal end comprises at least one retaining finger of said arm, said tab delimits at least a portion of said longitudinal housing, said tab has a general shape planar and elongate and extends substantially in a plane passing through an upper end of the adapter, - said finger and said wings of the adapter extend substantially on the same side from said plane, - said longitudinal housing is opening at its two longitudinal ends, the invention also relates to an assembly comprising an ada Pactor as described above and a center mount of a flat wiper blade. The invention may include one or more of the following features, these features being further capable of being combined with another or more features of another or more other aspects of the invention: - the mount comprises means for attachment to a vertebra of stiffening of the blade or to a member for maintaining this vertebra, - the mount has an elongated shape and comprises at each of its longitudinal ends means of articulation to an end cap of the blade. - The mount comprises at each of its longitudinal ends a protruding finger carrying a hinge axis or having an orifice configured to be traversed by a hinge axis, - the frame comprises two longitudinal side walls, a longitudinal edge of a first of these walls being connected to a longitudinal edge of a second of these walls so as to form substantially a dihedron at least at the longitudinal ends of the frame, the mount further comprises a window configured to receive said adapter, this window comprising an axis of articulation of said adapter, the frame comprises or forms an aerodynamic deflector. The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising an adapter or an assembly as described above.
[0029] According to a twenty-second aspect, the invention relates to a remote connection member of a flat wiper blade, particularly a vehicle, to a link adapter of said blade to a drive arm, the body comprising means for connecting said brush and an axis of articulation of said adapter, a first median transverse plane of said axis being parallel and at a distance from a second median plane parallel to said first plane and passing through said connecting means, characterized in that said connecting means at least partly define a cowling. As explained in the foregoing, a cowling is an element that defines an outer face generally profiled and which can be used to close a window, for example.
[0030] The body according to the invention thus has a dual function of connecting the brush to an adapter and cowling. The invention may include one or more of the following features, these features being further capable of being combined with one or more other features of another or more other aspects of the invention: the member is formed of a single piece with a central mount of said blade, - said connecting means comprise fixing means configured to cooperate by interlocking or snap elastic with at least one axis of said blade, - said fixing means are configured to cooperate by interlocking or snap elastically with two or three separate axes of said brush, - said connecting means have an elongated shape and comprise substantially in their middle resilient latching means on an axis of said brush, and at each of their longitudinal ends means for interlocking on another axis said broom, said cowling is configured to at least partially close a window of said broom, the member has a generally U-shaped shape and comprises two side walls whose lower edges are interconnected by a median wall, said axis extending between said side walls and an upper edge of one of said side walls being connected The invention also relates to an assembly comprising a connecting member according to one of the preceding claims and a central mount of a flat fairing windscreen wiper blade. The invention may include one or more of the following features, these features being further capable of being combined with another or more features of another or more other aspects of the invention: - the mount comprises means for attachment to a vertebra of stiffening of the blade or to a member for maintaining this vertebra, - the mount has an elongate shape and comprises at each of its longitudinal ends means of articulation to an end cap of the blade, - the frame comprises at each its longitudinal ends a projecting finger carrying a hinge pin or having an orifice configured to be traversed by a hinge axis, - the frame comprises two longitudinal side walls, a longitudinal edge of a first of these walls being connected at a longitudinal edge 20 of a second of these walls so as to form substantially a dihedron at least at the ends longitudinal mounting of the frame, the mount comprises a window comprising at least one axis of interlocking or elastic snap-fastening of said means for connecting the member, said casing of the member at least partially closing said window of the mount. The invention also relates to a flat windscreen wiper blade, in particular a vehicle, comprising a member or an assembly as described above. According to a twenty-third aspect, the invention relates to a connection member of a flat wiper blade, in particular a vehicle, to a connection adapter of said blade to a drive arm, the body comprising means for connection to said brush and hinge means of said adapter about an axis, characterized in that said connecting means at least partly define a cowling.
[0031] This member also has a dual function of connecting the brush to an adapter and cowling. The invention may include one or more of the following features, these features being further capable of being combined with one or more other features of another or more other aspects of the invention: the member is formed of a single part with a central mount of said blade, - said connecting means comprise fixing means configured to cooperate by interlocking, engaging and / or resilient snapping with a central mount of said blade, - said connecting means have an elongated shape and comprise a first longitudinal end of the engagement or engagement means configured to cooperate with said mount and at the opposite longitudinal end of the resilient detent means configured to cooperate with said mount, said connecting means furthermore comprise substantially in their middle additional engagement or nesting means configured for cooperating r with said mount, - said cowling is configured to at least partially close a window of said mount, - said housing is defined by a portion projecting from said cowling, - the hinge means comprise a housing hole of an axis articulation or trunnions defining a hinge axis. The invention also relates to an assembly comprising a connecting member as described above and a central mount of a flat wiper blade.
[0032] The invention may include one or more of the following features, these features being further capable of being combined with another or more features of another or more other aspects of the invention: - the mount comprises means for attachment to a vertebra of stiffening of the blade or to a member for maintaining this vertebra, - the mount has an elongate shape and comprises at each of its longitudinal ends means of articulation to an end cap of the blade, - the frame comprises at each its longitudinal ends a projecting finger carrying a hinge pin or having an orifice configured to be traversed by a hinge axis, - the frame comprises two longitudinal side walls, a longitudinal edge of a first of these walls being connected at a longitudinal edge 15 of a second of these walls so as to substantially form a dihedron at least at the ends thereof the mount comprises a mounting window of said member, said enclosure of the member at least partially closes said window of the frame, the invention also relates to a shrouded flat windscreen wiper, in particular a vehicle, comprising an adapter or an assembly as described above. DESCRIPTION OF THE FIGURES The invention will be better understood and other details, features and advantages of the invention will become apparent on reading the following description given by way of nonlimiting example and with reference to the appended drawings, in which: Figure 1 is a schematic perspective view of a flat windscreen wiper blade according to the invention, in the free state without stress, - Figure 2 is a schematic perspective view of the blade of Figure 1 when it bears on a particular window of a vehicle, - Figure 3 is a schematic perspective exploded view of the blade of Figure 1, - Figures 4 and 5 are enlarged views of the details 14 FIG. 6 is a cross-sectional view of the blade of FIG. 1; FIG. 7 is a diagrammatic view on a larger scale of the attachment means of the blade mount of FIG. 1, - Figures 8a to 8c shows FIG. 9, 11 and 12 are diagrammatic views in perspective of means for connecting a frame to end caps of the invention. a brush according to the invention, and FIG. 10 is a longitudinal sectional view of these connecting means, FIG. 13 is a schematic perspective view of a flat windscreen wiper blade according to the invention, in the unconstrained free state, and represents end caps of this brush in one of their extreme positions, - Figure 14 is a longitudinal sectional view of an embodiment of connection means of a frame to end caps of a brush according to the invention, - Figures 15 and 16 are diagrammatic views in longitudinal section and in perspective, respectively, of another embodiment of the connecting means of a frame to end caps of a broom according to the invention, 17 and 18 are diagrammatic perspective views of parts of a frame and an end cap of a broom according to the invention; FIG. 19 is a perspective view of a frame of a broom; according to the invention, seen from the side, - Figures 20 and 21 are partial schematic perspective views of a brush according to the invention, which is partially disassembled in Figure 20, - Figures 22 and 23 are partial schematic views. in perspective of a brush according to the invention, which is partially disassembled in FIG. 22, - FIGS. 24 to 27 are partial schematic perspective views of an end portion of a brush according to the invention; FIG. 28 is a perspective view of the end cap of the blade of FIGS. 24 to 27, FIG. 29 is a partial perspective view of the end cap of the blade of FIGS. 24 to 27, FIGS. 30b are partial schematic views of a central mount of a blade according to the invention, view from above, this part comprising a housing window of an adapter, - Figure 31 is a schematic longitudinal sectional view of the central frame and the adapter of Figures 30a and 30b, - Figure 32 is a schematic view In perspective of the adapter of Figures 30a, 30b and 31, - Figure 33 is a schematic perspective view of a frame of a brush according to the invention, - Figure 34 is a larger scale view of a part of the frame of FIG. 33 and shows removable connecting and stiffening means, - FIG. 35 corresponding to FIG. 34 and showing a step of preparing the frame in which one of the connecting and stiffening means has been Figure 36 is a schematic perspective view of a cowl mount of a brush according to the invention; Figures 37 to 39, 41 and 42 are partial schematic perspective views of the cowl mount of the figure; 36, Figures 40 and 43 are schematic perspective views of the cowl of this cowl mount, - Figure 44 is a schematic perspective view of a mount of a blade according to the invention, the blade being connected to a drive arm, - Figure 45 is a schematic perspective view of an end cap of a brush according to the invention, seen from below, - Figures 46 and 47 are schematic perspective views of two brushes according to the invention, respectively long and short these two brushes comprising identical and interchangeable mounts, - Figures 48 and 49 are partial schematic views of a ducted flat mop and a link adapter of this broom to a drive rod arm, exploded perspective in FIG. 48 is a diagrammatic perspective view of the adapter and the stem of FIGS. 48 and 49; FIG. Figures 48 and 49, - Figure 52 is a schematic perspective view of the rod arm of Figures 48 and 49, - Figures 53 and 54 are schematic views in perspective and in longitudinal section of the adapter and the rod arm of Figures 48 and 49 - Figures 55 to 57 are partial schematic views of a ducted flat mop and a connection member remote to a link adapter of the brush to a drive arm, in perspective in Figures 55 and 56 and in perspective FIGS. 58 and 59 are diagrammatic perspective views of the connecting member of FIGS. 55 to 57; FIG. 60 is a diagrammatic perspective view of the adapter and the arm of FIGS. 57, - Figure 61 is a schematic view of a ducted flat mop and link adapters of this broom to a drive arm, partially exploded perspective view, - Figure 62 is a partial schematic view of a broom carinated dish and a liai adapter BRIEF DESCRIPTION OF THE DRAWINGS FIG. 63 is a partial schematic perspective view of a central mount of the flat ducted mop of FIG. 62, and FIGS. 64 and 65 are diagrammatic views. In perspective of the adapter of Figure 62. DETAILED DESCRIPTION It should be noted that the figures disclose the invention in detail to implement the invention, said figures can of course be used to better define the invention where appropriate. In the following description, the longitudinal or lateral names refer to the orientation of the wiper blade according to the invention. The longitudinal direction corresponds to the main axis of the blade in which it extends, while the lateral orientations correspond to intersecting straight lines, that is to say which intersect the longitudinal direction, in particular perpendicular to the longitudinal axis of the blade. broom in his plane of rotation. For the longitudinal directions, the outer or inner names are assessed relative to the point of attachment of the blade on a brush arm, the inner denomination corresponding to the part where the arm and a half-brush extend. Finally, the directions referenced as upper or lower correspond to orientations perpendicular to the plane of rotation of the wiper blade, the lower denomination containing the plane of the windshield.
[0033] Figure 1 shows a flat mop 1 careened according to the invention, that is to say a flat mop equipped with a fairing, the flat mop 1 being here in free position in space, without constraint. The upper part of the blade 1 is formed by the fairing which has an aerodynamic shape which deflects, upward, the air that arrives on the windshield. The fairing thus forms an aerodynamic deflector. The deflection of the aforementioned air generates a bearing force of the blade 1 on the windshield which ensures, in association with a second support force generated by arm pressure, a permanent contact on the windshield and, therefore reliable wiping.
[0034] This fairing has substantially the shape of a dihedron formed of two longitudinal walls which meet in the upper part at a summit ridge, the front wall having a hollow aerodynamic shape while the rear wall is substantially flat in the example shown . The inside of the dihedron is hollow so as to leave space for housing elements that form a wiper block of a flat broom, which will be described in detail below. The fairing is made in three parts, which are articulated with each other. The central part, hereinafter referred to as central mount 2, fulfills the functions of connector of a non-ducted flat broom, that is to say that it is on it that the various elements which extend all along the blade 1. With the exception of its center which has substantially parallel vertical walls to accommodate an adapter therebetween, this central mount 2 has the streamlined form aerodynamic baffle described above. It thus comprises two longitudinal side walls 2a, 2b whose upper longitudinal edges are interconnected so that said walls substantially form a dihedron. To this central mount are attached two parts in eccentric longitudinal positions, hereinafter referred to as end covers 3. These two covers have, too and over their entire length, the streamlined form aerodynamic deflector. Each cover 3 thus comprises two longitudinal side walls 3a, 3b whose upper longitudinal edges are interconnected so that said walls substantially form a dihedron.
[0035] A first end cover 3 extends inward while the second extends outwardly. The connection between the central mount 2 and each of the end covers 3 is a hinge which pivots about an axis oriented in a lateral or transverse direction, so that the two end covers 3 move in a plane perpendicular to the plane of rotation of the broom. The breakage thus created between the central mount 2 and the end caps 3 prevents the outer and inner ends of the broom are applied against the windshield with a lower pressure than that which is exerted at the level of the central frame , due to a greater distance from their fulcrum relative to the drive arm of the blade.
[0036] The central portion of the central mount 2 has a height greater than the rest of the blade, because of its connector function, which makes it possible to house the attachment means of the blade to the drive arm and in particular an adapter.
[0037] Figure 2 shows the same blade 1 in a position against a pane, presented here for simplification in the form of a flat surface. The joints between the central mount 2 and the two end covers 3 are closed, that is to say that these covers are positioned in the axis of the central frame, the upper surfaces of these three parts forming a faired surface keep on going. The central portion of the central mount 2 is cut by a window 21 through which the end of a drive arm passes and has a transverse axis on which is fixed the adapter (not shown) which ensures the attachment of the broom to the arm.
[0038] Figure 3 shows the broom 1 in exploded view. The central mount 2 comprises longitudinally, on either side, two connecting means or articulation which comprise fingers 4 which extend longitudinally from the body of the frame. These fingers 4 comprise an orifice, oriented laterally or transversely, for receiving a hinge pin carried by the corresponding end cap 3. The cooperation of this axis of articulation with the orifice of the finger 4 allows rotation of the cover 3 relative to the central mount 2, in a plane perpendicular to the plane of rotation of the blade 1.
[0039] Below these elements are represented, respectively, a stiffening vertebra 6, a holding member or retainer 7 and a wiper blade 8, all of these three elements forming what will be called thereafter a block of 'wiping. The purpose of the rigidifying vertebra 6 is to serve as a structure for the blade, giving it a curved shape that corresponds to the average curve of the windshield on which the blade moves. Its longitudinal stiffness allows, as for a conventional flat mop, to maintain a sufficient pressure at both ends of the blade, so that the wiping is performed uniformly over the entire surface to be scanned. The holding member 7 constitutes the carrier element, both of the stiffening vertebra 6 and the wiper blade 8. It will be described in more detail, as well as its fixing device on the central mount 2 Referring to FIGS. 6 to 8, the wiping blade 8 is a conventional elastomeric material blade which is carried by the holding member 7 and whose purpose is to remain in constant contact with the windshield.
[0040] Figure 3 shows, in addition, two end caps 9, whose function is to join the three previous elements at their ends and lock them longitudinally. Each end piece 9 also has a longitudinal abutment 94 against which abuts a bearing face carried by the corresponding end cap 3. This cooperation of the longitudinal stop and the bearing face of the cover prevent the three elements of the wiping block from extending longitudinally when the cover pivots relative to the central mount 2 and thus forces them to bend so that they follow the curvature of the windshield. The device 14 for fixing these three elements is illustrated in detail in FIG. 4, whereas the device 15 for co-operating the end of these elements with the end cap 9 is illustrated in FIG. Figure 4 shows first of all the stiffening vertebra 6 which has the shape of a thin metal blade, of parallelepiped shape, and which has a notch 61 in the middle of each of its longitudinal edges.
[0041] The holding member 7 comprises, in turn, four cutouts 71 which are positioned longitudinally side by side at its middle, and which are made, two by two, on the upper longitudinal edges of the member 7. They have intended to pass hooks extending laterally in the lower part of the central frame 2, to ensure, through the stiffening vertebra 6, the attachment to the central frame of the wiper block, as will be explained more in detail with reference to Figures 7 and 23.
[0042] In Figure 5, we see the longitudinal end of one of the end caps 3 and the end cap 9 associated. One of the ends of the stiffening vertebra 6, the holding member 7 and the wiper blade 8 are also seen. The end cap 9 has a substantially hollow parallelepipedal shape on the outside, and it internally comprises two housing or cavities 92a, 92b (respectively upper and lower) oriented longitudinally and intended to receive the end on the one hand of the stiffening vertebra 6 and on the other hand, the wiper blade 8. A third housing 92c can in addition, be provided for the introduction of the longitudinal end of the holding member 7. Each housing 92a, 92b comprises an open longitudinal end and a closed longitudinal end. The housings 92a, 92b are formed by internal walls at the end cap 9 which reproduce, by extending, the shape of the stiffening vertebra 6 and the wiper blade 8. There is thus continuity in maintaining the stiffening vertebra 6 and the wiper blade 8 when they pass from the holding member 7 to the end cap 9. Vertical ribs (not visible in the figure) are also positioned longitudinally in the upper cavity 92a of the nozzle 9, that is to say that which receives the stiffening vertebra 6, to reduce the height of the cavity and come to press the vertebra once it is inserted therein . Finally, the side walls of this cavity 92a are flexible to be able to move apart during the introduction of the vertebra 6 while resisting this bending to compress laterally the vertebra and cause its jamming in the tip. This prevents the disconnection of the tip 9 once it is installed at the end of the blade. The end cap 3 comprises at its free end visible in FIG. 5 two substantially parallel lateral wings 30 defining between them a space configured to receive the end cap 9. The longitudinal ends of these wings 30, situated on the side of the free end of the cover 3, are connected together by a transverse flange 3c which is intended to cooperate with the aforementioned abutment 94 of the end piece 9, as will be described in more detail in the following with reference to FIG. 24. FIG. 6 illustrates the circulation of the air in the vicinity of a broom 1 according to the invention. The blade 1 is shown in section along a plane transverse to its longitudinal direction, at the half-blade located on the inside. The air arriving on the windshield is deflected upwards by the fairing of the central mount 2 (or that of the end cap 3) and passes between this fairing and the arm 10 (since the cut is made on the side inside). It can be seen here that the lower longitudinal edges of the longitudinal lateral walls 2a, 2b of the frame 2 are not situated at the same position in height or vertical direction (the horizontal direction being substantially parallel to the windshield and therefore the substantially perpendicular vertical direction to the windshield), the lower edge of the wall 2a being located lower than that of the wall 2b. In other words, the lower edge of the wall 2a is located substantially in a first substantially horizontal longitudinal plane P6 which is at a distance and here below a second substantially horizontal longitudinal plane P7 substantially passing through the lower edge of the wall 2b. It is the same for the lower edges of each of the end caps 3.
[0043] The wiper block, that is to say all three elements, stiffening vertebra 6, holding member 7 and wiper blade 8, appears under the fairing of the central mount 2, in the offset position by relative to the summit ridge 2d of this fairing, on the side of the front wall of the air deflector. This positioning corresponds in fact to the middle of the lower ends of the walls of the fairing since they are in the extension of the lateral faces of the central frame at its window 21, so at its widest point. This figure also shows the arrangement of the three elements of the wiping block: the holding member 7 has, in cross-section, the shape of a closed parallelepipedal tube 72 of which extend, downwards, two hooks 73 oriented towards each other, thus forming a parallelepiped cavity open downwards. The stiffening vertebra 7 is slid into the upper tube 72 which it fills while retaining the ability to slide longitudinally inside, while the wiper blade 8, better visible in FIG. 8a, is carried by its upper part, or heel 81, which has a substantially rectangular shape, by the two hooks 73. The lower portion 82 of the wiper blade 8 extends from the lower cavity of the holding member 7 towards the windshield and is ends with a terminal portion 83 which classically has an inverted fir shape.
[0044] Figure 7 shows in perspective, in bottom view, the central mount 2, with the fixing means of the wiper block, which serves as a connector. The portions of the side walls 2a, 2b, situated on either side of the window 21, extend downwards until they exceed the space allocated to the adapter 5 and each comprise, at their lower end, two hooks. 23. Each hook 23 of a side wall 2a is substantially facing a hook 23 of the other side wall 2b, and extends towards it. The fastening means thus comprise two pairs of lateral hooks, the hooks of one pair being at longitudinal distance from the hooks of the other pair. Each hook 23 defines a longitudinal notch 23a configured to receive the vertebra 6 by longitudinal sliding. In the example shown, the transverse plane P passing through the axis 25 passes substantially between the two pairs of hooks 23 and equidistant from them. this. The longitudinal extension of these hooks is slightly smaller than that of the cuts 71 which are made in the holding member 7.
[0045] As for their lateral extension it is such that the spacing between them is greater than the depth of the cuts 71, so that these means can be entered into the internal cavity of the central frame by returning them from below. Finally, this spacing is less than the width of the holding member 7, so that the latter can rest on the hooks 23 after implantation of the wiper block. It is therefore seen how the assembly of the wiper block on the central mount 2, which acts here as a connector: the holding member 7, possibly equipped with its wiper blade 8 but without the stiffening vertebra 6 is introduced, from below, into the internal cavity of the central mount 2, by passing the hooks 23 in its cutouts 71. At least one substantially horizontal longitudinal plate forming a vertical stop (not shown in Figure 7) generally extends above the hooks 23 to serve as a limit to the introduction of the holding member 7 in the inner cavity in the lower part of the central mount 2. In this position, the upper tube 72 of the retaining member is aligned with the upper face of the hooks 23, which creates a groove continuity for the passage of the stiffening vertebra 6. The operator then slides this vertebra into the upper tube 72, from one of the ends longitudinal members of the retaining member, through the central frame 2 by sliding on the hooks 23 at the cutouts 71 of the retaining member, then pushing it to the other end of the retaining member . The wiper block is then immobilized vertically by the retaining member which rests on the hooks 23 and longitudinally by the interlocking of these same hooks 23 in the cutouts 71 of the holding member 7.
[0046] FIG. 8 illustrates three alternative embodiments of the holding member 7, in which the upper tube 72 is constituted by a parallelepiped whose cross-section rectangle is either fully closed (FIG. 8a) or open on its underside (FIG. 8b), is open on its upper face (Figure 8c). In all three cases, the tube remains sufficiently closed so that the stiffening vertebra 6 is properly held in the tube 72. The three variants, however, retain the same shape for the lower hooks 73 which serve to hold the wiper blade 8. In these embodiments, small ribs 74 are noted which extend longitudinally on the inner surface of the tube 72 to compress the vertebra 6 and maintain it longitudinally once it has been forced into this tube. . Similarly, the heel 81 of the wiper blade 8, which is inserted by longitudinal sliding between the hooks 73 of the holding member 7, comprises longitudinal protrusions which rub against these hooks during the introduction of the blade in order to ensure a certain longitudinal and lateral retention of this blade.
[0047] Figures 9 and following describe in more detail the articulation between the central mount 2 and the end caps 3. In Figure 9, we see the longitudinal walls, 2a at the front and 2b at the rear, which form the dihedral of the aerodynamic deflector of the central mount 2 by joining on a summit ridge 2d, this dihedral ending longitudinally by a transverse wall 2c which closes the dihedron. From this transverse wall 2c extends a finger 4 of substantially parallelepiped shape, which is traversed by an orifice 41 intended to serve as a support for the axis 31 which allows the pivoting of the corresponding cover 3.
[0048] FIG. 10 shows, in section, said end cap 3 mounted on the central mount 2 with a cover articulation pin 31 which extends from one of the side walls of the cover and comes through the orifice 41 finger 4.
[0049] Referring to Figure 11 we see the inside of the part of the cover 2 which cooperates with the central mount 2. Inside the dihedron formed by the longitudinal walls 3a and 3b of the cover extend two reinforcements 32a and 32b which are based on these longitudinal walls and which extend to form two flat faces, both oriented in a vertical plane and facing each other. From these two flat faces extend two studs 31a and 31b which are aligned and together form the axis 31 on which the hood 3 rotates. The gap left between the two tenons 31a and 31b is sufficiently small and, in any case, cause less than the length of the orifice 41, so that these tenons hold the finger 4 once mounted, and sufficiently wide so that the finger can be inserted by separating the two longitudinal walls 3a and 3b from each other thanks to the elastic flexibility of the hood. The upper face 43 of the finger 4 can be chamfered to facilitate this insertion. It is also noted in Figure 11 that the upper longitudinal edges of the walls 3a, 3b are interconnected to form an upper longitudinal edge 3d of the hood. FIG. 12 shows, in bottom view, the central mount 2 and an end cap 3 assembled, the finger 4 being positioned between the two reinforcements 32a and 32b and, in a non-visible manner, the two tenons 31a and 31b being inserted in the hole 41 of this finger. Alternatively, not shown, the finger 4 may be carrying two pins extending on either side of its side faces and the reinforcements of the cover 3 comprise in this case, holes in which insert said pins.
[0050] Referring now to Figures 13 to 16 we see a device for limiting the angular amplitude of the joint between the central frame 2 and the end caps 3. Indeed, an angle too large would be unfavorable to a good wiping of the windshield in that the pressure of the broom on the windshield would not be evenly distributed. The maximum acceptable angle for the break between the central mount 2 and each end cap 3 is, as seen in Figure 13, 165 ° for example. It is therefore appropriate to position stops on the two elements to prevent this value from being exceeded. The most favorable positioning of these stops to obtain this angular limitation, is to position them as close as possible to the axis 31 of pivoting of the cover 3. FIG. 14 shows a first embodiment for the positioning of these stops, in which the cover 3 comprises, in the internal space defined by its longitudinal walls 3a, 3b, a projecting stop 33 which extends above the finger 4. This stop 33 is configured to cooperate with the finger 4 to define a position extreme of pivoting of the cover 3 vis-à-vis the mount 2. The stop is formed by a rib 33 which extends transversely between the inner faces of the longitudinal walls 3a, 3b of the cover 3. The lower free end of the rib 33 is chamfered to define a bearing face. For better cooperation with this abutment, the finger 4 has at its free end 43a forming a stop chamfer, whose plane is aligned with the lower plane of the rib 33 when it is abutted against the finger 4 is that is, when the cover 3 is in its maximum angular extension. Figures 15 and 16 describe, respectively in section and in perspective, another embodiment for the positioning of these stops. The cover 3 here comprises a protruding abutment 33 'formed by a substantially longitudinal rib. This rib 33 'is oriented from top to bottom and extends from the summit ridge of the end cap 3. It thus extends here from the connection zone of the upper longitudinal edges of the longitudinal walls 3a, 3b hood. The free lower end of the rib 33 'is chamfered to define a bearing face. The finger 4 here has an extra thickness 43b on its upper face 43 which faces the rib 33 '. This extra thickness 43b, of substantially parallelepiped shape aligned with the longitudinal direction and with the direction of elongation of the finger, comprises, as before, towards the outside, a chamfered portion whose plane is aligned with the lower plane of the rib 33 ' when it is in abutment against the finger 4. In the two cases shown in Figures 14 to 16, the rib 33, 33 'forms a projecting stop. The free end 43a of the finger 4, bearing the chamfer, forms a protruding abutment and the extra thickness 43b also forms a projecting abutment. The frame 2 and the covers 3 thus cooperate together by protruding abutments.
[0051] Figures 17 and 18 describe how the two ends of the central frame 2 and the cover 3 corresponding cooperate. FIG. 17 shows the transverse wall 2c which closes the dihedral of the frame 2 and from which the finger 4 extends. In this embodiment of a wiper blade, this wall 2c defines a peripheral rim 102c which resumes the shape of the longitudinal walls 2a, 2b of the central mount 2 by reducing it in a ratio homothety slightly smaller than 1. This rim 102c is similar to a groove in the outer periphery of the frame 2. It extends longitudinally from the end of the longitudinal walls 2a, 2b over a relatively short length, between 1 and 5 mm. The flange 102c extends over the entire transverse extent and the vertical of the longitudinal walls 2a, 2b. Also, the longitudinal end of the end cap 3 has a recessed shape and itself defines a peripheral flange 103c which can accommodate the peripheral flange 102c of the central mount 2. The flange 102c thus forms a male flange engaged in the flange 103c which is a female flange. The flange 103c takes the shape of the longitudinal walls 3a, 3b of the cover 3. In this way, and taking into account the length chosen for the peripheral flange 102c, the latter, engaging in the longitudinal end of the cover end 3, is covered by the latter, that the joint is in the position where the shrouds are aligned or that it is in the position of maximum angular opening. This configuration provides aerodynamic continuity to the fairings of the central frame 2 and the end caps 3, preventing the air flowing on the windshield from escaping between them. As a result, it makes it possible to improve the aerodynamic efficiency of the blade by avoiding degrading the level of pressure applied to it by the air. Figure 19 shows the central mount 2 in a longitudinal direction. In this figure we see, upstream of the window 21 of the frame, the dihedral which is formed by the longitudinal walls 2a and 2b and the summit ridge 2d where they meet. It can be seen in FIG. 19 that the finger 4 has an axis of elongation extending in a longitudinal plane P3 which is substantially perpendicular to said corresponding axis of articulation 31 and which passes substantially through the summit ridge 2d of the dihedron. It can also be seen that the plane P3 is parallel and at a distance from the median longitudinal plane P1 of the window 21. This plane P1 passes through the middle of the hook fastening means 23. It may be noted that the edge 2d extends substantially in parallel and away from plane P1. It is located in the plane P3. We also see in Figure 19 the fastening means of the wiper block. We find in particular the hooks 23 of support member 7 which are part of a parallelepipedal assembly which extends longitudinally over the entire length of the hooks 23 and in which are dug the two notches 23a, positioned symmetrically. on either side of the lower edges of the dihedron formed by the side walls 2a and 2b. These notches 23a form a guide for the passage of the stiffening vertebra 6 during the fixing of the holding member 7 on the central mount 2. The upper wall of this parallelepiped forms, in turn, the longitudinal plate forming a vertical stop to the introduction of the holding member 7 in the internal cavity of the central mount 2. For reasons of optimization of the aerodynamic performance of the fairings of the central frame 2 or the end caps 3, the summit ridge 2d is offset laterally downstream (in relation to the flow direction of the air flow) relative to the median plane P1 of the wiping block 10 or the center of the central mount 2. For reasons of better mechanical strength , the finger 4 is positioned substantially below the dihedron formed by the longitudinal walls 2a and 2b, that is to say at a place where the density of material for this dihedron is the strongest. Referring to Figures 20 and 21, there is shown a particular embodiment of a broom adapted to small wipers. In this mode, the length of the end covers 3 is small compared to that of the central mount 2. This type of windscreen wiper is suitable for windows of small dimensions, and therefore of low curvature, as, for example, For example, a rear window of a motor vehicle. Therefore, it is not necessary to implement a joint that shifts the axis of the end caps 3 of that of the central frame 2. On the other hand, for reasons of economy on the logistics, it is interesting for the manufacturer to reduce the number of parts references. For this the invention recommends keeping a single model for the central mount 2, and therefore the same adapter 5 for several models. Therefore, it becomes possible to provide an end cap 3 which, while retaining the same fastening means on the central mount 2, comprises a locking device of its rotation relative to this central mount. FIG. 20 shows, between the two reinforcements 32a and 32b, the side walls 3a and 3b and the tenons 31a and 31b, which normally serve as a hinge pin, a hood rib 34 extending longitudinally. on both sides of the axis formed by the two tenons. It is positioned and extends vertically so that, in the position of the assembled cover, it is in contact against the upper face 43 of the finger 4 and forms a protruding stop preventing rotation of the cover 3 around said finger 4. FIG. 21 shows a short cover 3 mounted on the central mount 2. Its inner end is supported against the outer end of the central mount and, not visible in the figure, the hood rib 34 blocks any rotation of the cover in a meaning or in the other. It may be noted, however, that the rib 34 may extend only on one side with respect to the tenons 31a and 31b while preventing the hood from rotating in the direction of a closure, the locking being opened by the cooperation of the ends longitudinally contiguous hood 3 and the central mount 2. Figures 22 and 23 show, respectively disassembled version and assembled version, an alternative embodiment for the fairing of a blade for a small wiper. Unlike FIGS. 20 and 21, the fairing of the two end covers 3 is here produced in one-piece fashion with that of the central mount 2. The devices serving a joint, such as the finger 4 or the tenons 31a and 31b are then deleted. We thus gain in ease of production of the hoods. And for reasons of homogeneity of appearance of the range of wiper blades produced, 2x grooves are drawn on the common cover, at the level where the joints between the central frame 2 and the end covers would be located 3. Figure 22 also shows the inner portion of the central mount 2, it is integral with end caps 3 or not.
[0052] Given the elongation of this central mount 2, it may be necessary to place reinforcing ribs or stiffening 24 within the dihedron formed by the two longitudinal walls 2a and 2b. The invention recommends to give them a cross-shaped, whose common axis is oriented vertically, that is to say that it extends from the edge, towards the base of the dihedron. Due to the flare of the dihedral downwards, these reinforcing ribs 24 constitute ideal support points for ensuring the ejection of the central mount from the injection mold, these parts being generally made of polymer material and made by a hot injection method. According to the invention, it is also possible to provide at least one rib, preferably two, extending substantially transversely to the direction of extension of the central mount 2. The ribs 24 may thus comprise at least one mark of a ful point for the ejection of the frame 2 of a manufacturing mold. This mark is generally located on the lower free edge of the rib 24. At least one mark may be located in the junction zone of the intersecting ribs visible in FIG. 22. In FIG. 24 is illustrated the junction between the end piece end 9 and an end cap 3, the latter being shown in section along a median longitudinal plane. As indicated above, the end tip 9 has a substantially parallelepipedal shape having an opening on its face which is oriented towards the central mount 2. It thus comprises an upper face 91 and a lower face 92 which are connected by means of side faces 93, and a closed end face which is located on the opposite side to the central mount 2. As indicated with reference to Figure 5, the inside of the end piece has two longitudinal internal housing 92a, 92b forming slides for the stiffening vertebra 6 and for the wiper blade 8, respectively, and a housing 92c for receiving a portion of the member 7.
[0053] On the upper face 91 of the end piece 9 is positioned a projecting stop 94, having a ramp shape which rises from this upper face away from the brush. The abutment face, which is oriented transversely, is directed towards the outside of the blade, that is to say in a direction that is substantially parallel to the axis of extension of the end cap 9 This abutment 94 is intended to cooperate with the transverse flange 3c carried by the end cap 3 which is associated with the end cap 9. This abutment 94 is intended to limit the bending of the valve member. 7 when the curvature of the windshield increases and, by reducing the angle between the central mount 2 and the end cap 3, to control the radius of curvature of the holding member 7. It thus forces the while remaining more rectilinear, to maintain significant support on the windshield in the center of the blade, which provides a more regular wiping during the rotation of the wiper blade. As shown in the figure, the transverse flange 3c of the cover 3 which cooperates with the projecting stop 94 is formed by the end wall of the end cap 3. In alternative versions, it consists of a rib extending transversely between the two side walls 3a, 3b of the end cap 3, upstream of the end face of the cover 3. This configuration makes it possible to have an alignment for the end faces of both the cap and the end piece. end, which improves the aerodynamic performance of the broom. Figures 25 and 26 show a variant for the arrangement of the respective abutments of the end cap 9 and the end cap 3. A projecting abutment 94 'is, here, positioned on the inner side, on each side face 93 of the end cap, with a ramp shape and an orientation similar to the projecting stop 94 described above: the ramp rises from the side face 93 in the outer direction with a transversely oriented abutment face relative to the longitudinal direction of the broom. The end cap 3 comprises, in this case, at its lateral flanges 30 which extend vertically at the lower end of the longitudinal walls 3a and 3b, second projecting stops 35 adapted to cooperate with the projecting abutments. 94 'of the end cap 9. The stops 35 are projecting on substantially parallel inner faces of the lateral wings 30. To this end they have the shape of a ramp extending from the corresponding vertical wall but this time in the inner direction. Their abutment faces are also oriented transversely to the longitudinal direction of the blade. Referring to Figures 27 to 29, we see the end portion of an end cap 3, short distance from its outer end. Between the longitudinal walls 3a and 3b forming a dihedron extends transversely a transverse guide wall 36 which rests on the entire height of the longitudinal walls. The wall 36 provides stiffening of the hood. It extends here between the lateral wings 30 of the walls 3a, 3b. This transverse wall 36 is cut in a substantially rectangular shape to serve as guiding means for the wiper block, that is to say substantially to the holding member 7 which contains the stiffening vertebra 6 and which carries the blade The rectangular shape is further open downward to allow passage to the wiper blade 8. As a result, the transverse wall 36 is downwardly in the form of two hooks. guiding sides 37 extending from its vertical portions in two horizontal parts positioned opposite each other and which are separated by a space substantially corresponding to the thickness of the holding member 7 at this level. Upwards, the transverse wall 36 is a wall connecting the vertical parts of the two hooks 37. These two hooks 37 form support means for the holding member 7 and the rectangular cut in the transverse wall 36 serves as a means guiding this member for its sliding in the cover 3, when the cover 3 is articulated with respect to the central mount 2.30 FIG. 28 shows, in particular, the shape of the rectangular cutout made in the transverse guide wall 36. The three unopened sides of this rectangle comprise, substantially in their middle, protuberances in the form of lugs 38 which project towards the inside of the rectangle. These protuberances form almost point-specific support points for the holding member 7 when it is introduced into this rectangular cutout. These punctual supports are used to compensate for manufacturing tolerances and, because of their punctuality, allow better guidance and easier sliding. The vertical part of each hook 37 here comprises, substantially in the middle, a lug 38 whose free end is configured to cooperate with the member 7. The upper part of the wall 36, connecting the upper ends of the vertical parts of the hooks 37, also comprises, substantially in the middle, a lug 38 of punctual support on the body. The lugs 38 have here a rounded overall shape. FIG. 29 shows the guide hooks 37 for supporting the holding member 7, the longitudinal thickness of which is greater than that of the transverse wall 36. This extra thickness is positioned on the side of the central mount 2 and has the shape of a ramp 39 thickening from the lower edge of the longitudinal wall 3a or 3b of the end cap 3 to join the transverse wall 36 at the upper edge of the hook. The ramps 39 comprise substantially co-planar guiding faces. The ramps guide the end of the holding member 7 when it is introduced into the transverse wall and facilitate its passage through the wall during its introduction. Figures 30a and 30b show the central mount 2 in plan view, with its window 21 in which is positioned the adapter 5, intended to be mounted on the arm 10 extending respectively to the right or to the left of each of the figures. It can be seen that the size and the shape of the window 21 are adapted to a positioning in one direction or the other of the adapter 5. In other words, the window 21 is configured to allow the mounting of the adapter 5 and snapping onto the shaft 25 in a first position in which a first longitudinal end of the adapter is oriented towards a first longitudinal end of the window, as well as in a second position in which the first longitudinal end of the adapter is oriented toward an opposite second longitudinal end of the window. The opening of the window 21, located at its upper end, is delimited by a peripheral edge of generally rectangular shape. The length of the window 21 leaves enough room for the arm 10, which extends beyond the length of the adapter 5, to rotate without interfering with the side of the window which is opposite the direction of the extension of the arm .
[0054] Preferably, the window 21 has a double symmetry, both longitudinal (with respect to a median transverse plane P2), the adapter 5 being in general also subject to a longitudinal symmetry, that transverse (with respect to a median longitudinal plane P1) to facilitate the assembly of the blade 1 on an arm 10 which rotates in one direction or the other.
[0055] This double symmetry configuration makes it possible to use the same central mount 2 for the two brushes, that the two brushes (left and right) wiping the windshield of a vehicle move in a coordinated manner or that they are counter.
[0056] FIG. 31 shows, in section along the median longitudinal plane P1, an adapter 5 installed in a central mount 2. The window 21 of the central mount 2 is traversed laterally by the transverse hinge axis 25 which connects the two vertical faces parallel 22 of the center of the central frame 2 and which serves as support for the adapter 5.
[0057] The adapter 5 has in its center, as can be seen in Figure 32, a cylindrical housing 51 for receiving the transverse axis by snap elastic. The adapter 5 has substantially a parallelepipedal shape elongate in the longitudinal direction with two lateral wings 52 interconnected by a medial portion which defines the cylindrical housing 51. It also comprises, on each lateral flange 52, a longitudinal extension 52a of which the object is to serve as a stop to limit the rotation of the adapter 5 in some cases of use. However, to avoid breaks in one of the elements of the adapter during untimely manipulation in rotation, the invention proposes to raise the vertical position of the axis 25 on the parallel vertical faces 22 of the center of the central mount 2, so that it allows an angular rotation of the adapter in which the longitudinal extensions 52a do not interfere with the fastening means of the wiper block, namely the hooks 23. For this, the radius R1 of the adapter 5 at the longitudinal extensions 52a, which is in the range of 15 mm, and more generally between 10 and 20 mm, is shorter by about 1 mm than the radius R2 on which is the most central point of the hooks 23 for fixing the holding member 7 (see Figure 31). The radius R1 is the maximum radius of a first circumference centered on the axis 25 and passing substantially through the extensions 52a of the adapter 5, and the radius R2 is a maximum radius of one second circumference centered on the axis 25. and passing substantially through the upper ends of the hooks 23. If the two longitudinal extensions 52a do not interfere with the hooks 23 and allow unobstructed rotation to the adapter 5, it is nevertheless necessary to limit this rotation to avoid angular deflection too big to the broom, which could lead to the breakage of one of its elements. For this, a lug 53 extends laterally from the upper edge of one of the lateral wings 52 of the adapter 5, on the opposite side to its other side wing, which allows it to abut against a peripheral edge of the window 21 for example to limit the angular displacement of the adapter 5 about the axis 25. The inner faces 22 have notches 22a for receiving and moving this lug 53. Referring now to Figures 33 to 35 , we see the inside of the window 21 of the central frame 2, which extends longitudinally between the side walls 2a, 2b of this frame. On either side of this central portion extend the longitudinal portions before 2a and rear 2b, with reference to the direction of air flow. As indicated above, the transverse axis of articulation 25 connects the two parallel side walls 22, so as to support the adapter 5 which is fixed on it by snap-fastening or resilient snap-fastening Due to the relatively large elongation of the window 21, the portions of side walls 2a, 2b situated at the level of the window may present a certain fragility during their handling and the invention recommends adding means 26 for connecting and stiffening between the internal lateral faces 22 of the window 21, here in the form of sleepers 26 which each have an elongate bar shape. As shown, these crosspieces 26 extend parallel to the hinge axis 25 by being positioned substantially at the same height as this axis, and substantially in the middle of the distance between the axis 25 and the longitudinal end of the window 21. These crosspieces 26 are formed by bridges of material connecting the two side faces 22. They are here of the removable type, that is to say they can be removed. They can be breakable or cut or dismountable, they can in particular be unclipped.
[0058] They present here sections to break, namely a zone of weakness or weakness at each of their ends, so as to be broken at the faces 22, without leaving a protrusion that would interfere with the rotation of the adapter 5. Indeed the presence of two crosspieces 26 on the same central mount 2, which corresponds to a configuration at the output of manufacture, is not adapted to the commissioning of such a central mount because one of them would limit, unduly, the rotation of the adapter 5. It is appropriate, when mounting a wiper blade to choose in which direction this mount is going to be installed on the arm of the wiper. Depending on this choice, one of the crosspieces 26 is broken, which gives the necessary freedom of rotation to the arm and its adapter 5 in the central frame. As seen in Figure 35, the second cross is retained because it does not interfere with this rotation. The invention thus provides a simplification in the production of central frames 2 and in their logistics since it is of a single model, which adapts to all the directions of rotation of a wiper blade, by means of the pre-break of one of the two crosspieces 26. The presence of the two then of a single crosspiece 26 gives the necessary rigidity to the parallel side walls 22, firstly during transport for its transport to the assembly site, then during of its use on a windshield. The two crosspieces 26 are here arranged symmetrically with respect to the transverse plane P2 passing substantially through the middle of the window 21. In addition, the window 21 has at each of its longitudinal ends a cutout 21a, essentially transverse, which extends longitudinally the cutting of the window 21. In this cutout is positioned a transversely oriented axis 27 which can act as axis of rotation or support axis to a closure cap, as will be explained later with reference to FIGS. 36 to 43. Figure 36 shows a central mount 2 in which the window 21 is partially closed by two closure caps 28a and 28b. Indeed, while the window 21 must be long enough to be able to insert an adapter 5 and the arm on which it is attached, its opening upwards is harmful after the establishment of these elements, both for reasons aesthetic than for aerodynamic reasons, the hollow of the window can create turbulence in the air flowing on the windshield. The invention therefore recommends the installation of two closure caps 28a, 28b which cap the window 21 and which close the upper face of the central portion of the central frame 2, to form a central cowl mount. Given the presence of the arm and the adapter 5 which do not have symmetry in a transverse plane, the two openings left free at the ends of the window 21 are not identical or symmetrical. There is therefore a front closure cap 28a which is positioned outwardly relative to the arm of the brush and a rear closure cap 28b, which is positioned on the inner side. Thus, a first cowling 28a is configured to close a longitudinal end portion of the window 21 and the second cowling 28b is configured to seal an opposite longitudinal end portion of the window. The introduction of these covers can be done in two different ways. As shown in the figures, the front cover 28a is rotatably mounted about the axis 27 of the front cutout 21a, while the rear cover 28b is fixedly mounted on the axis 27 which passes through the rear cutout 28b. Figures 37 and 38 thus show the rotational capacity of the front cover 28a about its axis 27. In Figure 37 the front cover is raised and reveals the longitudinal space which is released to allow the insertion of the arm 10 carrying the broom in the window 21 and its passage around the adapter 5. Figure 38 shows the closed front cover and the continuity of the surfaces between the upper face of the central frame 2, the front cover 28a and the arm 10 carrying the blade. Finally, Figure 39 shows, in bottom view, the front cover 28a in position in the window 21. Figure 40 shows in more detail the shape of the front cover 28a. It comprises an upper face 281a whose shape (here not flat) is shaped to extend the shape of the upper face of the central mount 2 and provide aerodynamic continuity between these two elements. The lower face 282a is formed by stiffeners which are crossed so as to give rigidity to the workpiece and which extend vertically to meet the upper face 281a. At the front, that is to say towards the outside of the wiper, the upper face 281a ends with a transverse cylinder 283a which is open on a sector of limited amplitude. This cylinder has for its internal diameter a value slightly greater than that of the axis 27, so that the axis 27 can serve as an axis of rotation for the front cover; the opening sector of this cylinder is such that the axis 27 can pass into this sector by snap elastic and then remains there after snapping. Finally on the sides of the front cover there are two legs 284a vertically oriented which extend from the upper face 281a. At the rear of these two legs 284a also extend vertically two second legs 285a. At each side of the cowling, between the legs 284a, 285a, further extends a hook 286a also extending vertically. The hooks 286a are elastically deformable and are intended to cooperate by elastic snap-fastening with means complementary to the frame 2. In FIG. 39, we see the first two tabs 284a which open into the window 21 and which are nested in guides or recesses. 29 of the window 21. These guides are formed, on the one hand by the lateral faces 22 of the central part of the central mount 2, and on the other hand by partitions 29a parallel to these faces, shifted inwards of the window 21, these parallel partitions 29a being attached by small transverse partitions 29b to the side faces 22 to close the recess forming a guide. The first legs 284a serve to position the cover 28a in the window 21. The hooks 286a cooperate with the lower ends of the partitions 29b to ensure the hood lock in its mounting position. Furthermore, the longitudinal end of one of the stiffeners of the cap 28a, opposite the cylinder 283a, forms a means 282a 'for supporting and retaining the adapter 5 and / or the arm 10.
[0059] Figures 41 to 43 show the rear cover 28b and its installation in the window 21. The elements of the rear cover having the same function as similar elements of the front cover are designated by the same reference numerals, the letter is replaced by a letter b; they are not described again. Figure 42 shows the direction in which the establishment of this cover. While the front cover 28a was attached to an axis 27 and mobile in rotation around it, the rear cover 28b is implanted by a vertical translation to be positioned by latching in a fixed manner.
[0060] Therefore, as can be seen in Figure 43, the cylinder 283b of the rear cover has an open sector whose opening is oriented downwards. The rotation around this axis 27 is annihilated by the presence of the first legs 284b whose opposite side to the cylinder 283b cooperates over its entire height with the small transverse wall and blocks any rotation.
[0061] As a result, the presence of hooks is no longer necessary. Similarly, the end of the window 21, which is illustrated in FIG. 41, is simplified relative to that of FIG. 39, and comprises only a guide 29 for housing only the first plates.
[0062] Referring now to Figure 44, there is shown a central mount 2 connected to a drive arm 10 of the wiper blade. This arm has, in known manner, an end curved in an arc or a U in which is positioned the adapter 5 which serves to allow the assembly of a same model of broom on several types of arms and make it fit to be mounted on various vehicles. The arm 10 and the adapter 5 rotate, as indicated above, around an axis of articulation 25 which extends between the two parallel lateral faces 22 of the central mount 2 and on which closes the adapter. The arm 10 must be able to rotate about the hinge axis in the direction away from a large angle to allow mounting of the blade on the arm, but it is also advantageous to give it a certain degree of freedom in rotation in the direction of the approach to the broom so that the latter adapts perfectly to the curvature of the windshield. To this end, the invention recommends to raise vertically the hinge pin 25 which is here is located in a longitudinal plane P4 located above a parallel longitudinal plane P5 substantially passing through the upper ends of the longitudinal end portions the mount, that is to say by the upper edge 2d (see also Figure 31). Plans P4 and P5 are here substantially horizontal. As described in the foregoing, the upper longitudinal edges of the side walls 2a, 2b are spaced from each other at the window 21 to define peripheral edges of this window. These peripheral edges each have a convex curved shape and have upper (C) ends located above the P4 and P5 planes. In this way, the arm 10 can move closer to the blade and make a negative angle with its longitudinal direction (with reference to the movement for mounting the blade which is taken as a positive direction of rotation). This angle is preferably in the range of 3 to 4 degrees and, in any case, is between 0 and 5 degrees.
[0063] FIG. 45 shows in view from below an end cap 3 with at one of its longitudinal ends reinforcements 32a and 32b as explained with reference to FIG. 11, and at the other end a transverse guiding wall 36 for the passage of the holding member 7. Given the elongation of this piece, which can be relatively large in the case of large size brushes, the length of the central frame 2 is preferably the same for all models of brooms, the invention recommends installing transverse stiffening ribs 310 at several points of the end cap 3. These ribs 310 have essentially a triangular shape to fit the dihedral shape formed by the two longitudinal walls 3a and 3b of the hood. They are positioned longitudinally equi-distributed, the largest number being positioned between the reinforcements 32a and 32b and the guide wall 36, an additional transverse rib being positioned beyond this transverse guide wall. In addition to their function of stiffening the end cap 3, these ribs 310 have a fulcrum on their underside configured to withstand the pressure that is exerted by the ejector of an injection machine during the production of the hood . In a particular embodiment, not shown, the rib is a double rib formed by two intersecting ribs, the point of support for the ejector being then positioned at the junction point of the two ribs.
[0064] FIG. 45 also shows that the median longitudinal plane P1 of the hinge means 31a, 31b of the substantially vertical cowl is substantially parallel and at a distance from a second median longitudinal plane P9 of said guide means 36, 37.
[0065] Figures 46 and 47 show two versions of central wiper blades 2 and two end covers 3 which are attached to said central mount. For reasons of simplification of production and logistics, the invention recommends to homogenize the central frames 2, which are the most complex parts, and to vary the length of the end caps 3 to adjust the broom 1 to the appropriate length for a particular application. Whatever the broom to provide a given vehicle, the central mount 2 is identical, and therefore interchangeable. Given the average lengths observed on the wipers of the vehicles in service, the length chosen for the central frame is typically between 15 and 30 cm. Furthermore, it is appropriate to respect relative dimensions between the central mount 2 and the end covers 3, so that the angle formed by these covers with the central mount remains in relatively low values. Otherwise, the wiping performed by the central frame 2 and / or that performed by the end caps 3 will not be of good quality because the contact will not be made over the entire length of the element concerned or, s it is done, the pressure on the windshield will not be homogeneous. To avoid this inconvenience, the invention recommends keeping a ratio between the length of the central frame and the total length of the blade within certain limits. After examination, the results of various wiping tests, the invention recommends a value between 20 and 70% for the ratio between the half-length L1 of the central frame 2 (that is to say, the distance between the transverse plane P2 passing through the transverse axis of articulation 25 and another transverse plane P8 passing through the pivot axis 31 of the end covers) and the half-length L2, L2 'of the broom (that is, that is to say the distance between the first plane passing through the transverse hinge axis 25 and the longitudinal end of the end cap 3). Preferably, this ratio is between 25 and 65% and for example between 27 and 59%. The invention also proposes a method for mounting fairings for flat blades with wiper blades, in particular for vehicles, comprising a step of mounting a short fairing 1 and a step of mounting a long fairing 1. The step of mounting a short fairing 1 'comprises assembling a first center mount reference 2 with a first reference of 3' end caps for short fairing, and the step of mounting a fairing long 1 comprises assembling said first center mount reference 2 with a second end cap reference 3 for long fairing. FIGS. 48 to 54 describe an embodiment of the invention that is adapted for mounting it on a wiper arm, called an arm-rod, which does not have a U-shaped terminal shape, but in the shape of a substantially straight rod. Figures 48 and 49 show, respectively in assembled position and exploded position, a central mount 2 identical to that of the previous embodiment, in which is inserted an adapter 5 'which is 3023 810 73 slightly modified compared to the previous, of to adapt it to the mounting on an arm-rod 10 '. Fig. 50 shows the cooperation between the modified adapter 5 'and the arm-rod 10', while Figs. 51 and 52 show respectively the modified adapter 5 'and the arm-rod 10'. The modified adapter 5 'has, as previously, substantially parallelepipedal shape elongate in the longitudinal direction with two lateral wings 52 connected to each other by a medial portion which defines a cylindrical housing 51 for elastic snapping of the transverse axis 10 of articulation 25 which passes through the window 21 of the central mount 2. It also comprises, on each lateral flange 52, a longitudinal extension 52a whose object is to serve as a stop to limit the rotation of the adapter in some cases of use , and a lug 53 which abuts against one of the parallel lateral faces 22 of the center of the central mount 2 when the adapter is in a position of maximum rotation. The modified adapter 5 'further includes a transverse plate 54 which connects the lateral wings 52 to their upper level, thus forming a roof for the adapter and defining a longitudinal housing into which the distal end of the arm is inserted. stem 10 '. This longitudinal housing opens here at its two longitudinal ends. The upper transverse plate 54 extends inwards, with reference to the rotation of the arm, by a longitudinal lug 55, of flat and elongate shape, which comprises near its end opposite the plate 54, a retaining finger 56 which extends vertically downwards, so as to cooperate with a notch 101 made in the arm 10 '. The lower part of the transverse plate 54 and the longitudinal tab 55 is such that it provides a space in which can be slid and come to be housed the rod arm 10 '. In view of its elongation, the longitudinal tab has a certain flexibility and is attached to the plate 54 by an elastic connection which naturally drives it downwards, which tends to maintain its contact against the arm-rod over its entire length. length. The tab 55 extends substantially in a plane P10 passing through an upper end of the adapter. As for the arm-rod 10 ', visible in Figure 52, it has, without this being imperative, a lowering at its end portion to form a second flat portion which is located at a lower height than the first part. This shape is intended to make it geometrically closer to the adapter used. It comprises a notch 101 which is located at a distance from its end such that the retaining finger 56 carried by the longitudinal lug 55 is longitudinally at its level when the arm-rod is inserted into the adapter. FIGS. 53 and 54 show, respectively in plan view and from below, and in longitudinal section, the arm-rod 10 'in its housing below the longitudinal tab 55 and the transverse plate 54. The retaining finger 56 is entered in the notch 101 of the arm-rod, which ensures the attachment of the rod-arm 10 'and the adapter 5', this configuration being reversible due to the longitudinal flexibility of the tab 55. Referring now to FIGS. 55 to 60 will describe another embodiment, in the configuration of the assembly on a conventional arm, with a U-shaped end portion. This mode can equally well be implemented on an arm-rod, provided that the adapter set up either, as in the previous embodiment, adapted to this type of arm. In this mode, the blade is shifted laterally relative to the arm 10 and held in position by a connecting member configured for this purpose. On the other hand, the central frame 2 and the adapter 5 or 5 'are identical to those of the modes described above. Figures 55 and 56 show, respectively in front view and in rear view, a wiper blade mounted on a U-shaped arm, in the assembled position, while Figure 57 shows the wiper in disassembled position.
[0066] The arm 10 has a conventional shape terminating in a U in which is inserted the adapter 5 previously described, as shown in Figure 60. The adapter 5 comprises in particular a cylindrical housing 51 in which can be clipped an axis of articulation such as that extending between the two parallel lateral faces 22 of a central mount 2. Between the adapter 5 and the central mount 2 extends an intermediate piece, or connecting member 11, which receives the 5 adapter snap on a second hinge axis 25 'and which is itself clipped on the transverse axis 25 of the central mount. In this configuration the connection member 11 is fixed relative to the blade and the rotation of the arm, and the adapter 5, is performed around the second axis of articulation 25 '. The connecting member 11 is described in more detail with reference to FIGS. 58 and 59. This member has the shape of two bodies extending longitudinally and which are placed symmetrically with each other with respect to a direction longitudinal. They are attached to each other by means of a longitudinal central wall 111 oriented longitudinally, one being positioned at the top of this central wall, the other being positioned at the bottom. The first body 11a appears open on the top while the second body 11b appears closed in top view because it opens downwards. The second body 11b forms means for connecting the member 11 to the frame, that is to say that it cooperates with the frame to secure the body to the blade. In the example shown, the second body comprises fixing means configured to cooperate by interlocking or snap elastic with at least one axis of the frame 2, as will be described in the following. A first median transverse plane Pl1 to the first body 11a, passing through the axis 25 ', is parallel and at a distance from a second median plane P12, parallel to the plane P11, and passing through the second body 11b.
[0067] The first body is transversely U-shaped, being formed by three flat surfaces perpendicular to each other, which extend in the longitudinal direction. From the central wall 111 extends a floor wall 112 whose width is approximately equal, by a value less than that of the window 21 of the central mount 2. And this floor wall extends upwardly a third wall 113 which substantially reproduces the shape of the central wall 111, being the mirror with respect to the median plane of the floor wall. It will also be seen in the figure the second hinge axis 25 'which extends transversely between the first and third walls 111 and 113, and which provides the support function of the adapter 5 which the axis of articulation 25 in the first or the previous embodiments. Finally, the three walls of the first body 11a extend longitudinally and vertically so as to substantially reproduce the shape of the window 21 of the central mount 2, so that the adapter 5 can be attached to it as it did in the window of the central mount. The second body 11b has the function of securing the connection member 11 with the central mount 2, while ensuring a closure of the window 21 of the central frame to improve the aerodynamics of the assembly. For this, it comprises a ceiling wall forming a cowling 114 which extends from the upper edge of the central wall 111, in the opposite direction to the first body 11a. This cowling 114 extends the upper surface of the central mount 2 and provides both aesthetic and aerodynamic continuity. This cowling 114 carries a rib 115 which extends longitudinally in its middle, along its length and which extends downwards until it comes to a height corresponding to that of the transverse hinge axis 25. Au the middle of its length, this rib 115 is cut by a cylindrical housing 51 'intended to receive by snapping the hinge axis 25 of the central frame 2 and to hold in place the connection member 11 in the window 21 of the central mount 2.
[0068] At each of its longitudinal ends, the cowling 114 comprises another cylindrical housing 51 "which is intended to receive by interlocking or snap elastically an axis 27 of the central mount 2. In a variant not shown, the connection member 11 could be formed in one piece with the central mount 2. Referring to FIGS. 61 to 65, another embodiment of the invention will now be described.This mode is intended to adapt a ducted flat mop to an adapter already existing, which is suitable for a flat broom.
[0069] The invention consists in modifying the central mount with respect to those previously described and inserting a second connection member between this modified central mount and the existing adapter, as can be seen in FIG. 61. Referring to FIG. 62 , we see a central mount 2 ', similar to that of the previous modes, except that it has no transverse axis of articulation. The parallel side walls 2a, 2b are here leveled to leave space for the existing adapters 50, 50 ', 50 ", the upper part of the central part of the central frame 2' thus forming a horizontal plane 22 'in which is The outer contour, at the bottom, of the second connecting member 200 reproduces the shape of the window 21 ', so that after implantation of the second connection member, the window is completely closed. , this member 200 comprises in the lower part a cowling 222 'defining a horizontal plane which is positioned in the extension of the horizontal plane 22', Figure 63 shows the central part of the central mount 2 ', with its horizontal plane 22' in which the window 21 'is hollowed out, this window 21', of rectangular shape, without this form being imperative, does not have an undercut shape in the vertical direction and is inserted into the central frame 2 ' rmant a cavity, as in the case of the central frames of the previous embodiments, to reach the upper face of the longitudinal plate which extends above the hooks 23 for supporting the holding member 7. A l ' inside this cavity, the parallel lateral faces 22 comprise vertical ribs 211 'which serve, between them, to guide corresponding ribs 211 positioned on the second connection member 200. At the longitudinal ends of the window 21', there are hooking means of the second connecting member 200. For this, there are on one side two female interlocking stops 212 'which project towards the inside of the window, starting from each of the lateral faces 22, 10 to forming a retaining in the vertical direction to male means 212 positioned on the second connecting member 200. These male means 212 have the form of longitudinal extensions which are positioned laterally of way to meet the females interlocking stops 212 'and can be housed below them. These female stops 212 'and these male means 212 have cylindrical shapes, with generatrices oriented laterally, so that they allow a rotation of the second connection member 200 in a vertical plane for its positioning on the window 21'. At the other end of the window 21 'there are two female latching means 213', which extend, also projecting towards the inside of the window, starting from each of the lateral faces 22. These means latching females 213 'have, in negative, a cylindrical shape with a circular base, which is open at the top and whose upper edges can move away from each other in an elastic manner. Meanwhile, the second connecting member 200 comprises at the opposite end of its interlocking means, two male latching means 213 whose shape is the mirror female means 213 'latching the window 21'. The introduction of the second connection member 200 in the window 21 'is thus carried out in the following manner: the operator positions the second connection member 200 in the window 21' by positioning it at an angle and passing the male interlocking means 212 under the female interlocking means 212 ', then it causes the second connection member 200 to execute a rotation which brings it substantially horizontally, which causes the male detent means 213 in front of the female means latching 213 'and simultaneously the ribs 211 of the second connecting member 200 between those 211' of the window 21 '. Then a vertical pressure engages the male latching means 213 in the female latching means 213 ', which ensures the joining of the two parts. Referring to Figures 64 and 65, we see the second connecting member 200 which essentially comprises a central plate 222, the upper face 222 'forms the desired continuity for the cowling with the horizontal plane 22' of the central frame. From this central plate extend downwards, in the center, lateral guide means 214 which carry the guide ribs 211 and at the longitudinal ends, on the one hand the male interlocking means 212 and on the other hand, the male locking means 213. From the central plate extends upwardly a structure 230 for supporting an adapter. This structure is substantially in the form of a parallelepiped extending longitudinally in the center of the plate over the entire length thereof. It carries at its upper part two aligned transverse journals 235 which form an axis having the same characteristics as the transverse axis of articulation 25 of the windows 21 of the central frames of the preceding modes, and which can thus be integrated into the cylindrical housing 51. Existing adapters 50, 50 ', 50 "Preferably these journals 235 comprise, at their upper part, a chamfered face 235a to facilitate their insertion into said cylindrical housing.

权利要求:
Claims (14)
[0001]
REVENDICATIONS1. Central frame (2) for a flat wiper (1) of windscreen wiper, in particular of a vehicle, the frame having an elongated shape and comprising at each of its longitudinal ends means (4, 41) for connection to a hood end (3) of the blade, the mount further comprising means (23) for attachment to a vertebra (6) for stiffening the blade or to a member (7) for holding the vertebra, characterized in that comprises at each of its longitudinal ends a first peripheral flange (102c) configured to be at least partially engaged in a longitudinal end of the corresponding cap and to be at least partly covered by a second peripheral flange of said longitudinal end of the cap.
[0002]
2. Mount (2) according to claim 1, characterized in that the connecting means are hinge means (4, 41).
[0003]
3. Mount (2) according to claim 1 or 2, characterized in that it comprises two longitudinal side walls (2a, 2b), a longitudinal edge of a first of these walls being connected to a longitudinal edge of a second of these walls so as to form substantially a dihedron at least at the longitudinal ends of the frame.
[0004]
4. Mount (2) according to claim 3, characterized in that the connecting means extend from transverse walls (2c) connecting said longitudinal side walls (2a, 2b).
[0005]
5. Mount (2) according to claim 4, characterized in that each first flange (102c) is defined by the outer periphery of one of said transverse walls (2c).
[0006]
6. Mount (2) according to one of claims 3 to 5, characterized in that each first flange (102c) extends over the entire transverse extent of said longitudinal walls (2a, 2b).
[0007]
7. Mount (2) according to one of claims 3 to 6, characterized in that each first flange (102c) extends over the entire height of said longitudinal walls (2a, 2b).
[0008]
8. Mount (2) according to one of the preceding claims, characterized in that each first flange (102c) is formed by a groove of the outer periphery of the frame.
[0009]
9. Mount (2) according to one of the preceding claims, characterized in that each first flange (102c) has an axial dimension of between 1 and 5 mm, and preferably between 1 and 3 mm.
[0010]
10. Assembly comprising a mount (2) according to one of claims 1 to 9 and an end cap (3).
[0011]
11. end cap (3) for a flat wiper blade (1) of wiper, in particular of vehicle, the hood having an elongated shape and comprising at one of its longitudinal ends means (31a, 31b) of connection to a central mount (2) of the blade, characterized in that it comprises at this longitudinal end a second peripheral flange configured to be at least partially engaged in a longitudinal end of the frame and to be at least partially covered by a first peripheral rim (102c) of said longitudinal end of the frame.
[0012]
12. Hood (3) according to claim 10, characterized in that the connecting means are hinge means (31a, 31b).
[0013]
13. An assembly comprising an end cap (3) according to claim 11 or 12 and a central mount (2).
[0014]
14. Careened flat mop (1) of windscreen wiper, in particular of vehicle, comprising a mount (2) according to one of claims 1 to 9 or a cover (3) according to claim 11 or 12.

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法律状态:
2015-07-31| PLFP| Fee payment|Year of fee payment: 2 |

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2016-01-22| PLSC| Publication of the preliminary search report|Effective date: 20160122 |

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2016-07-29| PLFP| Fee payment|Year of fee payment: 3 |

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2017-07-31| PLFP| Fee payment|Year of fee payment: 4 |

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2018-07-27| PLFP| Fee payment|Year of fee payment: 5 |

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2019-07-31| PLFP| Fee payment|Year of fee payment: 6 |

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2020-07-31| PLFP| Fee payment|Year of fee payment: 7 |

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2021-07-29| PLFP| Fee payment|Year of fee payment: 8 |

优先权:

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申请号 | 申请日 | 专利标题

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FR1456919|2014-07-17|

---

FR1456919A|FR3023810B1|2014-07-17|2014-07-17|FLAT WHEAT FLAT BRUSH|FR1456919A| FR3023810B1|2014-07-17|2014-07-17|FLAT WHEAT FLAT BRUSH|

---

US14/799,034| US20160016541A1|2014-07-17|2015-07-14|Streamlined flat windscreen wiper|

---

PCT/EP2015/066357| WO2016009020A1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

JP2017502815A| JP2017521319A|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

US15/326,905| US20170210347A1|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

US15/326,871| US20170203728A1|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

CN201580049489.4A| CN106715207B|2014-07-17|2015-07-16|Flat streamline window wiper blade|

---

MX2017000762A| MX2017000762A|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade.|

---

CN201580049678.1A| CN107074205B|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

JP2017502807A| JP2017520471A|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

CN201580049528.0A| CN106715208B|2014-07-17|2015-07-16|Flat streamline window wiper blade|

---

CN201580049710.6A| CN107074207B|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

JP2015141866A| JP2016028937A|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

US15/326,953| US20170203729A1|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

PCT/EP2015/066365| WO2016009026A1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

EP15738371.2A| EP3169562B1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

RU2015129022A| RU2015129022A3|2014-07-17|2015-07-16|

---

KR1020177003136A| KR20170032340A|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

US15/326,839| US20170210346A1|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

US15/326,980| US20170247020A1|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

RU2017104912A| RU2017104912A3|2014-07-17|2015-07-16|

---

RU2017104913A| RU2017104913A3|2014-07-17|2015-07-16|

---

EP15177020.3A| EP2974920A1|2014-07-17|2015-07-16|Mounting process for a streamlined flat windscreen wiper|

---

EP15739255.6A| EP3169565B1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

PCT/EP2015/066300| WO2016008992A1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

MX2017000763A| MX2017000763A|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade.|

---

EP15738373.8A| EP3169563B1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

JP2017502814A| JP6716537B2|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

US15/326,744| US11173879B2|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

EP15177041.9A| EP2985194A3|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

KR1020177003138A| KR20170032341A|2014-07-17|2015-07-16|Flat faired window wiper blade|

---

RU2017104908A| RU2017104908A3|2014-07-17|2015-07-16|

---

CN201580049679.6A| CN107074206A|2014-07-17|2015-07-16|Flat aerodynamics wiper blade|

---

PCT/EP2015/066346| WO2016009011A1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

PCT/EP2015/066361| WO2016009024A1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

EP15738644.2A| EP3169564B1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

PCT/EP2015/066324| WO2016008998A1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

CN201580049662.0A| CN107074204B|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

CN201580049658.4A| CN107074203B|2014-07-17|2015-07-16|Flat streamline window wiper blade|

---

MX2017000760A| MX2017000760A|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade.|

---

PCT/EP2015/066363| WO2016009025A1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

PCT/EP2015/066351| WO2016009015A1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

JP2017502809A| JP2017520473A|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

CN201580049527.6A| CN106687341A|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

US15/326,800| US10676069B2|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

EP15738369.6A| EP3169561B1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

PCT/EP2015/066335| WO2016009002A1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

PCT/EP2015/066367| WO2016009028A1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

US15/326,817| US11084465B2|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

JP2017502808A| JP6689815B2|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

EP15177016.1A| EP2974915B1|2014-07-17|2015-07-16|Streamlined flat windscreen wiper|

---

EP15738109.6A| EP3169560B1|2014-07-17|2015-07-16|Flat aerodynamic windscreen wiper blade|

---

PCT/EP2015/066339| WO2016009005A1|2014-07-17|2015-07-16|Flat faired window wiper blade|

---

MX2015009293A| MX2015009293A|2014-07-17|2015-07-17|Flat aerodynamic windscreen wiper blade.|

---

KR1020150101831A| KR20160010365A|2014-07-17|2015-07-17|Streamlined flat windscreen wiper|

---

CN201510659308.1A| CN105329217A|2014-07-17|2015-07-17|Streamlined flat windscreen wiper|