• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    A windshield wiper arm device comprising a wiper rod (10) and a wiper arm adapter (12) for coupling to the wiper rod (10) and the coupling to a wiper blade adapter. The wiper arm adapter (12) is at least essentially made of plastic.
    公开号:FR3044619A1
    申请号:FR1661995
    申请日:2016-12-06
    公开日:2017-06-09
    发明作者:Godelieve Kraemer
    申请人:Robert Bosch GmbH；
    IPC主号:
    专利说明:

    Field of the invention
    The present invention provides a wiper arm device having a wiper rod and a wiper arm adapter for coupling to the wiper rod and coupling to an adapter wiper blade.
    State of the art
    Such a windscreen wiper arm device which includes a wiper rod and a wiper arm adapter is already known. The wiper arm adapter is coupled to the wiper rod and the wiper blade adapter.
    Description and advantages of the invention
    The present invention provides a wiper arm device having a wiper rod and a wiper arm adapter for coupling to the wiper rod and coupling to an adapter of a wiper blade, this device being characterized in that the wiper arm adapter is at least, for the most part, made of plastic.
    In other words, according to the invention, the wiper arm adapter is at least substantially a plastic material. The wiper arm adapter can be manufactured in a very simple and economical way. In addition, the wiper arm adapter can have a particularly complex shape without this creating particular manufacturing problems.
    Advantageously, the wiper arm adapter is manufactured by injection. The wiper rod connects the wiper arm adapter to the wiper arm joint part. The hinge piece is hingedly connected to a fastener part of the wiper arm device. The hinge piece and the fastener are connected to each other by a spring connection. The fastener is attached to the driven motor shaft in reciprocating motion. The term "wiper arm adapter" according to the present invention denotes an adapter which has a contact area with a component of the wiper arm and is captively connected to this component; it performs the coupling and / or the contact between the wiper blade adapter and the coupling area of the wiper arm component. The term "wiper blade adapter" in this context refers to an adapter that has a contact area with a wiper blade component and is captively connected to that component; it provides a coupling area for the wiper blade component to be coupled and / or brought into contact with the wiper arm adapter.
    The plastics material is preferably a thermoplastic material or a thermosetting material. The plastics material advantageously comprises at least one of the following materials: acrylonitrile-butadiene-styrene, polyamide, polyacetate, polyoxymethylene, polymethyl-methacrylate, polycarbonate, polyethylene phthalate, polyoxymethyleneterephthalate, polyoxymethyleneterephthalate, polyoxymethyleneterephthalate, polyethylene, polypropylene, polystyrene, polyether-ketone, polyvinyl chloride and / or phenoplast.
    In addition, and advantageously, the plastic material is a composite material with fibers such as a plastics material reinforced with carbon fibers and / or a plastics material reinforced with glass fibers.
    The expressions "at least substantially" or "practically" mean in the present context that it is a volume of material and / or a weight of material which in particular represent more than 50%, of preferably more than 80% and preferably more than 95% and particularly preferably the volume or weight of the element of interest. The term "intended for" means that it is a means specially designed and / or equipped to perform a certain function. The fact that an object is provided for a certain function means in particular that this object fulfills and / or performs this particular function in at least one application state and / or an operating state.
    According to another feature, the wiper arm device comprises a coupling unit for coupling the wiper arm adapter completely, by a form connection with the wiper rod. This results in a particularly secure connection between the wiper arm adapter and the wiper rod. In addition, this corresponds to a particularly high operational safety. The expression "completely by a link by the form" means in the present context that in particular all the degrees of freedom are blocked by a binding by the form.
    According to another characteristic, the coupling unit comprises at least a first longitudinal fastening element for fixing the wiper arm adapter with respect to the wiper rod by a connection in the form in the direction longitudinal extension. This results in a particularly strong operating safety.
    According to another characteristic, the coupling unit comprises at least a second longitudinal fastening element offset in the direction of longitudinal extension relative to the first longitudinal fastening element and which fixes, by a connection by the shape, the adapter of wiper arm relative to the wiper rod in the direction of longitudinal extension. This further increases the operational safety and allows the transmission of particularly important longitudinal forces.
    According to another characteristic, at least the first longitudinal fastening element is in relief, which makes it possible to produce the coupling unit in a particularly solid and mechanically resistant manner. According to another characteristic, the second longitudinal fastening element is in relief.
    The relief shape, in the present context, means that it is a surface, especially a flat surface, which is, in part, projecting. Preferably, at least the first longitudinal fastening element and / or at least the second longitudinal fastening element are parallelepiped shaped and in a particularly preferred manner, this shape has rounded corners. Advantageously, at least the first longitudinal fastening element and at least the second longitudinal fastening element, considered in the direction of longitudinal extension succeed one another without overlapping. The term "longitudinal extension direction" in the present context means that it is a direction that is at least substantially parallel to the longest edge of the smallest parallelepiped that completely envelopes the arm adapter. wiper. The expression "at least essentially parallel" means in the present context that the maximum angular difference between the directions is less than 20 ° and preferably less than 5 °.
    According to another characteristic, at least the first longitudinal fastening element is in one piece with the wiper arm adapter, which gives a particularly strong coupling unit. In addition, at least the second longitudinal fastener is in one piece with the wiper arm adapter. The expression "in one piece" means that it is in particular a connection by the material such as a bond made by welding and / or by bonding or other assembly method and in particular shaping. advantageous, such as a manufacture by a melting process and / or a method of manufacturing by injection with one or more components.
    According to another characteristic, the coupling unit comprises a first coupling recess for receiving a first longitudinal fastening element, which gives a particularly compact and discrete coupling unit. In addition, the coupling unit has a second coupling recess for receiving a second longitudinal fastener. Preferably, the first coupling recess and / or the second coupling recess are complementary in shape with the first longitudinal fastening element and / or the second longitudinal fastening element.
    According to another characteristic, the wiper arm adapter comprises at least one folding element intended to surround the windscreen wiper rod, which makes a particularly strong coupling of the wiper arm adapter. to the wiper rod. In particular, the folding element is movable relative to the base body of the wiper arm adapter.
    According to another feature, the folding element is pivotally mounted about the longitudinal axis of the wiper arm adapter, which guarantees a particularly strong pivoting mounting of the folding element. The longitudinal axis is at least essentially parallel to the direction of longitudinal extension.
    According to another feature, the folding element comprises a clipping means for hooking to a complementary part of the base body in the closed state. The coupling unit can thus be advantageously fixed against any involuntary opening. The expression "clipping means" means in the present context that it is an elastic means for making an interlocking connection and which can be elastically deformed during assembly. The invention also relates to a windscreen wiper arm adapter equipped with a windscreen wiper arm device as defined above.
    The wiper arm device according to the invention is not limited to the application described above and the embodiment. In particular, the wiper arm device according to the invention may have a number of elements, components or units different from the number of such elements, components and units described above. drawings
    The present invention will be described hereinafter in more detail with reference to an embodiment of a wiper arm device shown in the accompanying drawings, in which: FIG. a wiper blade and a wiper arm coupled to the wiper blade with a wiper arm device; Fig. 2 is a perspective view of the wiper arm device; FIG. 3 is a perspective view of the windscreen wiper arm adapter of FIG. 2, with a windscreen wiper rod and a wiper arm adapter; FIG. 4 is a perspective view of the wiper rod of FIG. 2, FIG. 5 is a partial perspective view of the wiper arm device prior to mounting, and FIG. partial perspective view of the wiper arm device after mounting.
    Description of an embodiment
    Figure 1 shows a wiper blade 38 with a wiper blade adapter 14. The wiper blade 38 is a flat wiper blade. The wiper blade 38 serves to clean the window 40 of the vehicle. The wiper blade 38 is releasably coupled to a wiper arm 42. The wiper arm 42 includes a wiper arm device. The wiper arm device has a wiper arm adapter 12. The wiper arm 42 attaches to a drive shaft 44. The drive shaft 44 provides a drive movement. oscillating rotation from an engine not shown.
    The wiper arm 42 and the wiper blade 38 attached thereto sweep on the window 40 are driven in a sweeping sweep motion on the vehicle window 40. In wiping mode, the wiper blade 46 of the wiper blade 38 traverses the window 40. The wiper blade 38 has a first deflector element 48. The first deflector element 48 serves to deflect the wind The first deflector member 48 extends substantially over half of the total longitudinal extension of the wiper blade 38.
    The wiper blade 38 has a second deflector member 50. The second deflector member 50 is distinct from the first deflector member 48. The first deflector member 48 and the second deflector member 50 are symmetrically plane to each other. other. The second deflector member 50 deflects the flow of wind and generates a pressure applying the wiper blade 38 against the window 40. The second deflector member 50 occupies substantially half of the total longitudinal extension of the wiper blade. Wiper 38. The soot-ice wiper 38 has two end caps 52, 54. The end caps 52, 54 fit the opposite free ends of the soot-ice broom 38. The end caps 52, 54 terminate the soot-ice wiper 38 in its longitudinal extension direction 22. The longitudinal extension direction 22 in the installed state substantially corresponds to a direction parallel to the direction of main longitudinal extension of the windscreen wiper blade 38 and / or the wiper arm adapter 12.
    The wiper arm device comprises a wiper rod 10. The wiper rod 10 is a metal rod provided with a coating. Prior to the area of the wiper arm adapter 12, the wiper rod 10 is bent approximately 45 °. The wiper arm adapter 12 serves to couple with the wiper rod 10. The wiper rod 10 before an area of the wiper arm adapter 10 is bent by about 45 °. The wiper arm adapter 12 is for coupling to the wiper rod 10. The wiper rod 10 is for connecting the wiper arm adapter 12 to a workpiece. hinge 56 of the wiper arm device. The hinge piece 56 is hingedly connected to the fastener 58 of the wiper arm device. Between the hinge piece 56 and the fastener 58 there is a spring. The fastener 58 is rotationally integral with the drive shaft 44.
    As shown in more detail in Figure 2, the wiper arm adapter 12 is intended to be coupled to the wiper mop adapter 14. The wiper arm adapter 12 is a plastic material. In this exemplary embodiment, the wiper arm adapter 12 is completely made of plastic. In other words, the wiper arm adapter 12 does not have metal. But, one can also consider a wiper arm adapter 12 which is mainly made of plastic and partially metal, fiberglass, carbon fiber or other technically interesting material. Thus, it is also conceivable to make the wiper arm adapter 12 of a fiber reinforced composite material. The wiper arm adapter 12 is manufactured by injection. In this context, it is also conceivable to manufacture the wiper arm adapter 12 according to another technically interesting method. The plastic material is a thermoplastic material.
    According to Figures 3 and 4, the wiper arm device has a coupling unit 16. The coupling unit 16 couples the wiper arm adapter 12 to the wiper rod 10 completely, by a connection by the form. The coupling unit 16 includes a first longitudinal fastening element 18. The first longitudinal fastening element 18 fixes the wiper arm adapter 12 with respect to the windscreen wiper rod 10 by a connection by the in the longitudinal extension direction 22. The coupling unit 16 comprises a second longitudinal fastening element 20. The second longitudinal fastening element 20 is offset with respect to the first longitudinal fastening element 18 in the direction of longitudinal extension 22. The second longitudinal fastener 20 fixed by a connection in the form of the wiper arm adapter 12 with respect to the wiper rod 10 in the direction of longitudinal extension 22.
    The first longitudinal fastening element 18 is in relief. The second longitudinal fastening element 20 is in relief. The first longitudinal fastener 18 is in one piece with the wiper arm adapter 12. The second longitudinal fastener 20 is in one piece with the wiper arm adapter 12. The coupling unit 16 comprises a first coupling recess 24. The first coupling recess 24 serves to receive the first longitudinal fastening element 18. The first coupling recess 24 is of complementary shape to that of the first longitudinal fastening element 18 The first coupling recess 24 is in the wiper rod 10. The first coupling recess 24 passes completely through the wiper rod 10. The first coupling recess 24 has an at least substantially rectangular cross-section. The coupling unit 16 has a second coupling recess 26. The second coupling recess 26 serves to receive the second longitudinal fastening element 20. The second coupling recess 26 is complementary in shape to that of the second longitudinal fastening element 20 The second coupling recess 26 is in the wiper rod 10. The second coupling recess 26 completely traverses the wiper rod 10. The second coupling recess 26 has an at least substantially rectangular cross-section. The wiper arm adapter 12 has a ra-beatable element 28. The folding element 28 is intended to surround the wiper rod 10. The wiper arm adapter 12 comprises a base body 36. The folding element 28 is movable relative to the base body 36. The folding element 28 pivots around the longitudinal axis 30 of the wiper arm adapter 12. The adapter The wiper arm 12 is shown in the open position in FIG. 3. The folding element 28 is open in this representation. The folding element 28 comprises a hooking means 32. The attachment means 32 is intended to hook into a complementary piece 34 of the base body 36 when the assembly is closed. The complementary piece 34 is in the form of a retaining hook. When closing the folding element 28, the attachment means 32 is first deflected elastically by the wiper rod 10 and then by the complementary piece 34 (Figure 5). The longitudinal fastening elements 18, 20 thus penetrate into the coupling recesses 24, 26. When it reaches the closed end position, the fastening means 32 elastically returns to its initial position and passes behind the complementary piece 34 (Figure 6). Thus, in the mounted state, the attachment means 32 is hooked on the complementary piece 34. It is avoided that the attachment means 32 can be released without tools and / or in a non-destructive manner from its initial position. In this context, it is also conceivable to be able to disengage the attachment means 32 without the need for a tool to enable the folding element 28 to be opened and then to detach the wiper arm adapter 12 with respect to the Wiper rod 10. Foldable member 28 has a deflecting surface 60. Deflecting surface 60 deflects the flow of traffic and generates a thrust towards the window 40. The deflecting surface 60 makes an angle of The term "about" in this context means that the maximum deviation is 20 ° and preferably it is at most 10 °. The deflector surface 60 forms the front face of the wiper arm adapter 12. The rear side of the wiper arm adapter 12 is constituted by a back 62 (FIG. 2). The back or rear wall 62 is formed by the base body 36. The back 62 constitutes a surface 64 which is at an angle of about 45 ° to the window 40. The surface 64 protrudes from the deflector elements 48, 50.
    MAIN COMPONENT NOMENCLATURE 10 Wiper Rod 12 Wiper Arm Adapter 14 Wiper Blade Adapter 16 Coupling Unit 18 First Longitudinal Attachment 20 Second Longitudinal Attachment 22 Extension Direction longitudinal 24 First coupling recess 26 Second coupling recess 28 Folding element 32 Clipping means 34 Supplementary part 36 Base body 38 Wiper blade 40 Vehicle window / windshield 42 Wiper arm 44 Shaft 46 Wiper blade 48 Deflector element, first deflector element 50 Deflector element, second deflector element 52, 54 End cap 56 Hinge part 58 Fixing part 60 Deflecting surface 62 Rear / back wall
    权利要求:
    Claims (11)
    [1" id="c-fr-0001]
    1) Wiper arm device comprising a wiper rod (10) and a wiper arm adapter (12) for coupling to the wiper rod (10) and coupling to a wiper blade adapter (14), characterized in that the wiper arm adapter (12) is at least substantially of plastics material.
    [0002]
    Wiper arm device according to claim 1, characterized by a coupling unit (16) for fully coupling the wiper arm adapter (12) by a rod-shaped connection. windscreen wiper (10).
    [0003]
    Windscreen wiper arm arrangement according to Claim 2, characterized in that the coupling unit (16) has at least one longitudinal fastening element (18) for fixing, by a connection by the form, the wiper arm adapter (12) to the wiper rod (10) in the longitudinal extension direction (22).
    [0004]
    4) Wiper arm arrangement according to claim 3, characterized in that the coupling unit (16) has at least partly a second longitudinal fastening element (20) which is offset in the direction of longitudinal extension (22) with respect to at least one first longitudinal fastening element (18) and which is provided for securing, by a connection by the shape, the wiper arm adapter (12) to the shank wiper (10) in the direction of longitudinal extension (22).
    [0005]
    5 °) Wiper arm device according to claim 3 or 4, characterized in that at least the first longitudinal fastening element (18) has a relief shape.
    [0006]
    6 °) wiper arm device according to claim 3, characterized in that the first longitudinal fastening element (18) is made in one piece with the windscreen wiper arm adapter (12).
    [0007]
    Wiper arm device according to claim 2, characterized in that the coupling unit (16) has a first coupling recess (24) for receiving the first longitudinal fastening element (18).
    [0008]
    8 °) Wiper arm device according to any one of claims 1 to 7, characterized in that the wiper arm adapter (12) comprises at least one folding element (28) to surround the wiper rod (10).
    [0009]
    Wiper arm device according to claim 8, characterized in that the folding element (28) is pivotally mounted about the longitudinal axis (30) of the wiper arm adapter. (12).
    [0010]
    10 °) wiper arm device according to claims 8 or 9, characterized in that the folding element (28) comprises a clipping element (32) for clinging in the closed state to a room complementary (34) of the base body (36) of the wiper arm adapter (12).
    [0011]
    11 °) wiper arm adapter (12) of a windscreen wiper arm device according to any one of claims 1 to 10, comprising a windscreen wiper rod (10) and an adapter of wiper arm (12) for coupling to the wiper rod (10) and coupling to a wiper blade adapter (14), the wiper arm adapter ice (12) being at least, for the most part, plastic.
    类似技术:
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    EP1874598B1|2009-12-02|Arrangement for mounting a wiper blade to one end of a drive arm
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    FR3048935A1|2017-09-22|WIPER DEVICE COMPRISING A WIPER ARM ADAPTER
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    BE1017691A3|2009-04-07|DEVICE FOR JOINTLY CONNECTING A WIPER BLADE TO A WIPER ARM.
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    FR2984831A1|2013-06-28|ICE WIPER BLADE DEVICE
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    EP2712772A1|2014-04-02|Device for actuating a wiper system, in particular for a motor vehicle windscreen, and wiper system including such a device
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    FR3024111A1|2016-01-29|DEVICE FOR FASTENING A WIPER DEVICE
    FR3040154B1|2019-09-13|WIPER BLADE BRUSH ADAPTER AND WIPER BLADE THUS EQUIPPED
    EP3083345B1|2018-02-14|Vehicle windshield wiping system
    FR2841516A1|2004-01-02|Windscreen wiper blade has connector with pivot fitting into mounting attached to second connector, second connector fitting over guide block for first connector with clip cooperating with catch on second connector
    EP3147165A1|2017-03-29|Windscreen wiper unit comprising an articulated cover
    EP0465332B1|1995-03-01|Streamlined windscreen wiper blade
    FR3039481A1|2017-02-03|WIPER BLADE
    FR3105769A1|2021-07-02|Wiper blade device
    EP3077257B1|2018-01-03|Arm-wiper connection device, windshield wiper and wiping assembly
    EP2900524A1|2015-08-05|Driving arm for driving a wiper of a window wiping system, in particular for the windscreen of a motor vehicle, and wiping system comprising such an arm
    FR3040153A1|2017-02-24|WIPER BLADE ADAPTER
    同族专利:
    公开号 | 公开日
    FR3044619B1|2020-06-19|
    DE102015224634A1|2017-06-08|
    CN107010016A|2017-08-04|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    DE3465279D1|1983-09-13|1987-09-17|Equip Automobil Brevetes|Windshield wiper mounting|
    DE102005024719B4|2005-05-30|2018-10-31|Robert Bosch Gmbh|Device for articulating a wiper blade with a wiper arm|
    DE102005025542A1|2005-06-01|2006-12-07|Robert Bosch Gmbh|Device for articulating a wiper blade with a wiper arm of a windshield wiper|
    DE102008049273A1|2008-09-26|2010-04-01|Valeo Systèmes d'Essuyage|Wiper blade and wiper blade / Wischarmverbindung|
    DE102009002764A1|2009-04-30|2010-11-04|Robert Bosch Gmbh|Connecting device for articulated connection of a fixedly connected to a wiper arm connecting element|
    WO2013170877A1|2012-05-14|2013-11-21|Federal-Mogul S.A.|Windscreen wiper device|
    CN203819196U|2014-02-18|2014-09-10|蚌埠翔合汽车配件有限公司|U-shaped connector connecting head of fully-floating multifunctional intelligent windshield wiper|
    KR101426005B1|2014-03-07|2014-08-05|에이디엠이십일 주식회사|Wiper blade|WO2020025219A1|2018-07-30|2020-02-06|Robert Bosch Gmbh|Wiper arm adapter unit and adapter unit|
    WO2021197570A1|2020-03-30|2021-10-07|Trico Belgium S.a.|A windscreen wiper device of the flat blade type|
    WO2021197569A1|2020-03-30|2021-10-07|Trico Belgium S.a.|A windscreen wiper device of the flat blade type|
    法律状态:
    2017-12-19| PLFP| Fee payment|Year of fee payment: 2 |
    2018-12-28| PLSC| Publication of the preliminary search report|Effective date: 20181228 |
    2019-12-19| PLFP| Fee payment|Year of fee payment: 4 |
    2020-12-18| PLFP| Fee payment|Year of fee payment: 5 |
    2021-12-15| PLFP| Fee payment|Year of fee payment: 6 |
    优先权:
    申请号 | 申请日 | 专利标题
    DE102015224634.5|2015-12-08|
    DE102015224634.5A|DE102015224634A1|2015-12-08|2015-12-08|Wischarmvorrichtung|
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