• 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:
    The helmet (1) comprises a shell (2), and a cap (3) and a face shield (4) mounted inside the shell. The screen is movable between a lowered position and a raised position. Each lateral wing (15) of the screen is assembled to the shell by an assembly device comprising: - a connecting rod (40) having a first end (41) hinged about a first transverse axis (51) integral with the shell and a second end (42) hinged about a second axis (52) transverse integral with an upper portion of the side wing of the screen; a rail (55) formed on the lateral wing of the screen, having a guide surface (59) cooperating with a member (56) integral with the shell to guide the movement of the screen between its lowered and raised positions; , along but at a distance from the inner face of the hull.
    公开号:FR3016498A1
    申请号:FR1450446
    申请日:2014-01-21
    公开日:2015-07-24
    发明作者:Gilles Basson；Clement Tuffery
    申请人:MSA Gallet；
    IPC主号:
    专利说明:

    [0001] The present invention relates to a protective helmet equipped with a movable face shield. Some people are brought to wear a helmet to protect themselves, for example on industrial sites or on building sites, for the realization of works. Such a helmet typically comprises a shell for the protection of the head and a cap which is mounted inside the shell and which comprises on the one hand a suspension intended to rest on the head of the user and secondly a headband of head. In addition, this type of helmet may include a face shield for protecting the face of the user. The screen is mounted movably relative to the shell between a lowered position, in which it is located substantially opposite the face of the user, and a raised position. Thus, the user can place the screen in the raised position when the circumstances do not require the protection of the face, or when he wishes to remove the helmet. Conversely, the screen can be lowered when the face needs to be protected. On some helmets, the screen is arranged to be located outside the hull when in the raised position. The risk of the screen being damaged is increased, since the screen is exposed. On other helmets, the screen is arranged so that, in the raised position, it is located inside the hull. This arrangement is advantageous in terms of protection of the screen. However, it complicates the design of the hull screen assembly system in that the space available is relatively small, and the movement of the screen must not interfere with the user's head. nor with the other components of the helmet, in particular the cap. The mounting of the screen can also be difficult and / or tedious. Generally, it is necessary to provide a new hull, of larger dimensions, to accommodate the screen positron raised within it. The present invention aims to overcome the disadvantages mentioned above. To this end, the invention relates to a helmet comprising: a shell intended to protect the head of a user; a cap mounted inside the shell and comprising a suspension intended to rest on the head of the user and a headband; a face shield comprising a central portion and two lateral wings each assembled to the shell by an assembly device, the screen being mounted inside the shell movably between: a lowered position, in which the screen is located substantially opposite the face of the user; - And a raised position, wherein the screen is located in the space between the cap and the inner face of the shell. According to a general definition of the invention, each assembly device 10 comprises: a connecting rod having a first end articulately mounted around a first substantially transverse axis integral with the shell and a second end articulately mounted around a second substantially transverse axis integral with an upper end portion of the lateral wing of the screen; a rail formed on the lateral wing of the screen and having at least one guiding surface capable of cooperating with an element integral with the shell to guide the movement of the screen between its lowered and raised positions, along but at distance from the inner side of the hull. 20 The rod is used to guide the upper part of the screen, which is animated relative to the shell of a circular motion centered on the first axis of articulation. This makes it possible in particular to prevent the upper part of the screen from rubbing against the inner face of the shell when the screen, guided by the element integral with the shell and the rail, is moved to its raised position. The rail also provides guidance of the screen. For this purpose, the rail is adapted to the geometry of the inner face of the shell, so that the screen moves, preferably, closer to the inner face of the shell but without contact with it, so without friction, which would interfere with the fluidity of movement of the screen and damage the screen. Thus, it is possible to house the raised screen in a small space, at the front of the cap and inside the shell, while maintaining the same shell. This is doubly advantageous, since, on the one hand, it is not necessary to design a new shell and, secondly, the helmet has an unchanged bulk. Thus, in the helmet according to the invention, the connecting rod and the rail jointly provide optimized guiding of the screen. In addition, the assembly device according to the invention is of relatively simple structure, requires only a few parts and has a small footprint. It is therefore easy to implement. It should be noted that the components "mounted on the hull" can be mounted on the hull itself or on an intermediate piece itself mounted on the hull. As for the components "integral with the hull", that is to say having a fixed position relative to the hull, they can be fixed on the hull itself or on an intermediate piece itself attached to the hull. Similarly, the rail may belong to the screen, i.e., be integrally formed with the screen, or consist of a separate part attached to the screen. This rail may for example receive a tab integral with the shell, or one or more rolling element (s) such as a roller or a wheel. According to one possible embodiment, the guiding surface comprises a lower portion having a shape similar to the shape of the front portion of the shell, so that during a first phase of its movement from its raised position towards its lowered position, the screen substantially along the inner face of the hull. By "similar" it is meant that the lower portion of the guide surface and the front portion of the shell have substantially identical geometries, both in terms of overall shape and curvature. Thus, if the front shape of the shell is curved, the lower portion of the guide surface is also curved. Conversely, if the forward shape of the shell is plunging forward almost straight, the lower portion of the guide surface may be substantially planar - or barely bent - and plunging forward. According to this embodiment, the lower portion of the guide surface, which guides the first phase of the downward movement of the screen, is designed so that the path of the screen, during this first phase, is substantially parallel to the inner face of the shell, preferably following closer to the hull, that is to say leaving little space between the screen and the hull. Accordingly, on the one hand, it is not necessary to increase the dimensions of the shell to allow the screen to leave the place where it is stored in the raised position and out of the hull. On the other hand, another advantage of providing such a path during this first phase is that the screen passes relatively far from the user's face, and in particular can not hit the user's nose or glasses. . For example, it is possible for the lower portion of the guide surface to bulge forward. This is generally suitable for a shell having a front portion rounded substantially in a sphere portion, and / or whose lower front edge is relatively low with respect to the top of the shell. Generally, the lower portion of the guide surface may have a non-constant radius of curvature. However, other variants are possible. Thus, the trajectory of the screen during this first phase of the descent movement path that is imposed by the rail, may not match the shape of the front portion of the hull. One can for example consider a substantially straight path and oblique downwards and forwards, even for a helmet having a curved front portion, especially if the constraints of space are less severe and that the hull can be larger. Moreover, the guide surface may comprise a portion which is located above the lower portion and which has a substantially rectilinear shape or with a very small radius of curvature, designed to cause, during a second phase of the movement of the screen of its raised position towards its lowered position, a displacement of the screen substantially vertically and downwards. The terms "above" mean when the helmet is worn by a user standing with the screen in the down position. In practice, this portion of the rail may be an upper portion or a middle portion if an upper portion of different shape is provided. During this second phase, the screen is sufficiently out of the reduced space in which it was housed to be able to be animated by a different movement not likely to rub against the inner face 30 of the hull. According to a possible embodiment, the guiding surface further comprises an upper portion which is curved with the concavity directed forward, or substantially rectilinear while being inclined from the rear towards the front from the bottom upwards, so that, during a third phase of its movement from its raised position towards its lowered position, the screen approaches the face of the user.
    [0002] This upper portion corresponds to the last part of the downward movement of the screen. The aforementioned configuration allows, once the screen is almost completely out of the shell while being relatively far from the face to allow the first phases of the displacement as previously explained, print on the screen a movement of bringing the face closer. As a result, the screen can provide effective protection of the user's face, in particular against elements that could be projected from the bottom towards the face and could not pass through the reduced space between the face and the screen.
    [0003] However, it could be envisaged, particularly for spectacle wearers, that the screen could be placed in an intermediate position, not completely lowered, in which the screen would still face the face but in a position closer to the face only if he were totally down. The guiding surface has for example a very flattened S shape. As a variant, in particular for hulls whose front portion is plunging forward almost straight and / or whose lower front edge is only slightly offset downwards relative to the top of the hull, the guide surface may be devoid of a median portion between the aforementioned upper and lower portions. Thus, the screen can first be moved forward and downward to exit the shell, in a path that can be more or less curved, or even substantially straight. Then the screen can be brought closer to the face by a rotation, without intermediate phase of lowering substantially vertical.
    [0004] According to a possible embodiment, the rail has, in cross section, the shape of an L or a T and is housed in a slideway integral with the hull and having, in cross section, the shape of a U or a The element secured to the shell adapted to cooperate with the guide surface may be constituted by at least one end of the U or C, forming a tab. The guidance is obtained by friction. Alternatively, the element integral with the hull adapted to cooperate with the guide surface could be a rolling element of the roller or guide wheel type, this element not necessarily being associated with a U-shaped or C-shaped slide.
    [0005] The rail can protrude laterally and outwardly from the corresponding side wing. According to other possible variants, the rail can protrude laterally and inwardly from the corresponding lateral wing; the rail can protrude from the corresponding lateral wing towards the rear - substantially extending the lateral wing. According to one possible embodiment, the helmet comprises at least one support separate from the shell, mounted inside the shell, and which comprises at least one housing for receiving a fastening member from the cap to the shell, said housing being located in the vicinity of a temple of the user when the user wears the helmet. In other words, the housing is located on the helmet laterally, and rather forward. With this embodiment, it is possible to release a crescent-shaped space located at the front of the cap and partly laterally thereof to accommodate the raised screen. In addition, the support may comprise: - a connecting device with the first end of the connecting rod, allowing the articulation of the connecting rod around the first axis; - The element adapted to cooperate with the guide surface of the rail formed on the side wing of the screen, for example in the form of a tab. This configuration has a large number of advantages: - compared to a variant of configuration where the rod and / or the element would not be linked to the support but to another intermediate part 20 itself attached to the shell, this configuration allows to integrate everything on one and the same piece; - compared to a configuration variant where the rod and / or the element would be directly connected to the hull, this configuration: (i) avoids having to make additional holes in the hull, which would adversely affect the quality of the protection of the user's head, (ii) free space at the front, therefore does not require enlarging the hull and (iii) preserves the existing hull. For example, the support may have a substantially semicircular shape, be fixed to the inner face of the shell substantially in the vicinity of each of its lateral ends, and be arranged generally horizontally between the headband and the inner face of the headband. the shell, a space being provided between the support and the inner face of the shell to receive the screen in the raised position. Alternatively, it could be envisaged to provide only two lateral supports of reduced dimensions, not extending and not meeting at the front, inside the hull.
    [0006] According to one possible embodiment, the screen comprises two orifices each formed in the upper part of a lateral wing, the two orifices having substantially the same transverse axis which corresponds to the second axis of articulation of the connecting rod.
    [0007] Advantageously, the screen may be designed to extend substantially to the temples of the user when the user wears the helmet. With this configuration, which can effectively protect the user, the problem of space required to fit inside the helmet on the one hand the screen itself and on the other hand each of the two lateral assembly devices from the screen to the hull, is all the more complex. A possible embodiment of the invention will now be described, by way of nonlimiting example, with reference to the appended figures: FIG. 1 is an exploded perspective view of a helmet according to the invention, showing a shell a cap, a support, two rods and a screen; Figure 2 is a top view of the support; Figure 3 is a perspective view, from the inside, of the support mounted in the shell; Figure 4 is a bottom view of the helmet in the mounted position; Figure 5 is a top view of the screen; Figure 6 is a side view of the screen; Figure 7 is a perspective view of a connecting rod; Figure 8 is a detail view and perspective of the helmet, showing the assembly of a connecting rod between the support and the screen; FIG. 9 is a detail and perspective view of the helmet, showing the assembly of the support to the hull and the cooperation between the rail of the screen and an element integral with the hull; Figure 10 is a longitudinal sectional view of the helmet with the screen in the raised position; Figures 11 to 13 and 14a are longitudinal sectional views of the helmet showing successive phases of the screen movement from its raised position toward its lowered position; Figure 14b is a perspective view of the support and the screen in a position corresponding to that of Figure 14a; Figure 15 is a longitudinal sectional view of the helmet with the screen in the down position.
    [0008] As illustrated in Figure 1, a helmet 1 according to the invention comprises a shell 2, a cap 3 and a face shield 4. The shell 2 is intended to protect the head of a user. It is generally rigid, and is for example made of composite or thermoplastic material. The shell 2 has a longitudinal plane of symmetry P. The headset 1 is described in the position of use, that is to say in the position it occupies when it is placed on the head of the user, also called porter, standing and straight. The transverse direction Y is defined as the direction orthogonal to the plane P, this direction being therefore substantially horizontal. The longitudinal direction X is defined as the direction orthogonal to Y and substantially horizontal, and the direction Z is the vertical direction. The term "inside" is used to refer to something closer to the wearer's head, as opposed to the term "outside". The terms "top", "bottom", "top" and "bottom" are used with reference to the Z direction. The terms "front" and "back" are used with reference to direction X. The terms "lateral" and "transverse" are used with reference to the Y direction. The shell 2 has a general dome shape. It comprises an upper portion 5, a front portion 6 extending from the upper portion 5 substantially at the user's forehead, a rear portion 7 and two side portions 8. The shell 2 may also include a front edge 9 forming a visor. In the embodiment shown, the lateral portions 8 are substantially planar at least in their central zone. In addition, the lower edge 10 of the shell 2 may be substantially contained in a plane, for example a plane parallel to (X, Y). The shell 2 has an inner face 11. The cap 3, which is mounted inside the shell 2, is intended for the adjustment and maintenance of the helmet 1 on the wearer's head, for the sake of comfort and protection effectiveness. The cap 3 comprises a suspension 12 intended to rest on the head of the user, and which may comprise several strips interconnected at their central area, under the upper portion 5 of the shell 2. In the embodiment shown, the Suspension 12 comprises six strips, including a strip arranged substantially in a (Y, Z) plane.
    [0009] The cap 3 also comprises a headband band 13, preferably adjustable in size to be adapted to the head of the user. The headband band 13 may be assembled with the suspension 12, for example at the lower ends of the strips of the suspension 12. The cap 3 may also comprise a chin strap (not shown), for example assembled to the headband band 13 The face shield 4 comprises a central portion 14 and two lateral wings 15. The lateral wings 15 may form a single piece with the central portion 14 or be separate pieces assembled at the central portion 14. Each side wing 15 is assembled to the shell 2 by an assembly device. Thus, the screen 4 is mounted inside the shell 2 movably between: - a lowered position, in which the screen 4 is located substantially facing the face of the user, as shown in FIG. 15; and a raised position, in which the screen 4 is located in the space between the cap 3 and the inside face 11 of the shell 2, as illustrated in FIG. 10. The screen 4 may further comprise a lower flange 16 protruding forward. This lower flange 16, which facilitates the manipulation of the screen 4, can form a stop capable of cooperating with the lower front edge of the shell 2, for example with the front edge 9, to limit the displacement of the screen towards the As can be seen in FIG. 10, the top flange 16 also makes it possible to increase the coverage of the face and to reduce the length of the screen to be housed inside the shell 2 in the high position. Advantageously, the screen 4, in particular the disposition and the dimensions of the lateral wings 15, can be designed to extend substantially to the temples of the user when the user wears the helmet 1. According to one embodiment shown in the figures, the helmet 1 further comprises a support 20. However, it may be envisaged not to provide the helmet with such a support. The support 20, illustrated in particular in Figure 2, is a separate part of the shell 2, generally rigid, and for example made of composite material or thermoplastic. It is attached to the inner face 11 of the shell 2.
    [0010] The support 20 here has a substantially semi-circular shape. It comprises a front portion 21 of rounded shape, for example similar to the shape of the front portion 6 of the shell 2 located opposite, and two lateral branches 22 extending rearwardly. The support 20 has an inner face 23 facing the user's head and an outer face 24 facing the inner face 11 of the shell 2. On the outer face 24 of each lateral branch 22, for example in the vicinity of each of the lateral ends of the support 20, the support 20 comprises means of assembly to the inner face 11 of the shell 2. These means are here in the form of a channel 25 having a section C, axis substantially vertical, projecting laterally outwardly of each side branch 22. As seen in Figures 3 and 8, in particular, each of these channels 25 is intended to cooperate with a coupling device 26 formed on the shell 2 Each attachment device 26 protrudes from the inner face 11 of the shell 2, inwards, in the vicinity of the front portion of a lateral portion 8 and the lower edge 10 of the shell 2. In the embodiment shown , say it positive attachment 26 comprises two uprights 27 receiving between them the channel 25 and a protrusion 28 T made between the uprights 27 and being housed in the channel 25. The support 20 can thus be mounted by vertical sliding upward in the shell 2 and be held in position by friction and / or snap. In the mounted position, the support 20 is disposed generally horizontally between the headband strip 13 and the inner face 11 of the shell 2, as can be seen in particular in FIG. 15. There is thus a space 29 formed between the support 20 and the inner face 11 of the shell 2, which will receive the screen 4 in the raised position as will be explained later. Furthermore, on the inner face 23 of each side branch 22, the support 20 comprises a housing 31 for receiving a fastening member of the cap 3 to the shell 2. This housing 31 is located at the front of the channel 25 provided on the same side branch 22 and, when a user wears the helmet, it is located in the vicinity of a temple of the user. Thus, as seen in Figures 3 and 4, each of these housing is located on the helmet 1 laterally, and rather forward.
    [0011] According to the embodiment shown, each housing 31 has a substantially parallelepipedal shape and has a lower opening 32, a closed upper face 33, two inner flanges 34 facing each other and a detent projection 35.
    [0012] The shell 2 may have, on its inner face 11 and in the vicinity of the rear part of its lateral portions 8, housings 36 having a shape similar to that of the housings 31. Appendices 37 are provided in the lower part of the cap 3, for example at the ends of the strips forming the suspension 12. These appendices 37 are adapted to the housings 31 and 36. They can thus have a T-shaped cross section, to be engaged by vertical upward sliding in the housings 31, 36, since the lower opening 32, to the upper face 33 against which they can abut. These appendices 37 are preferably equipped with a member cooperating with the detent projection 35 to maintain the cap 3 in the shell 2. In the embodiment shown, the suspension 12 has in the lower part four appendages 37 located laterally. at the front and rear of the wearer's head, the two rear appendages being engaged in the housing 36 of the shell 2 and the two front appendages being engaged in the housing 31 of the support 20. By fixing the cap 3 to the front not on the shell 2 but on the support 20, there is released between the wearer's head and the shell 2 a space for housing the screen 4 raised inside the shell 2. More specifically, the space 29 between the support 20 and the inner face 11 of the shell 2 has a crescent shape extending both at the front and laterally - outside - of the support 20, to accommodate the screen 4 even if last has side wings 15 of relatively large dimensions to ensure good lateral protection of the helmet wearer 1. In the raised position, the screen 4 is therefore located in the space between the cap 3 and the inner face 11 of the shell 2, but more specifically in the space 29 between the support 20 and the inner face 11 of the shell 2. We now describe the assembly device of each side wing 15 of the facial screen 4 to the shell 2. The assembly device comprises a connecting rod 40 which extends substantially in a plane (X, Z). The connecting rod 40 has a first end 41 which is articulately mounted around a first substantially transverse axis 51 integral with the shell 2. It also has a second end 42 which is articulatedly mounted around a second axis 52 substantially transverse integral with an upper end portion of the lateral flange 15 of the screen 4.
    [0013] Concretely, the rod 40 may be in the form of an elongated rigid piece, as shown in Figure 7. In this embodiment, the rod 40 has a main portion 43 in the form of a flat blade. In addition, the connecting rod 40 has, at its first end 41, a pin 44 provided with a groove 45 and projecting inwardly and at its second end 42, a pin 46 provided with a groove 47 and making protruding outwards. The pin 44 is intended to be mounted in an orifice 48 of axis 51 formed in a lateral branch 22 of the support 20, in the rear part of this branch. This connection between the first end 41 of the rod 40 and the support 20 allows the articulation of the connecting rod 40 about the first axis 51. The pin 46 is intended to be mounted in an orifice 49 of axis 52 formed in the part upper rear of a side wing 15 of the screen 4. This connection between the second end 42 of the rod 40 and the screen 4 allows the articulation of the rod 40 about the second axis 52. Each of the assembly devices further comprises a rail 55 formed on the lateral flange 15 of the screen 4. The rail 55 has at least one guide surface 59 adapted to cooperate with an element integral with the shell 2 to guide the movement of the screen 4 between its lowered and raised positions, along but at a distance from the inner face 11 of the shell 2. In the embodiment shown, the rail 55 has a T-shaped cross section and is housed in a slideway 56 integral with the hull 2 which presents, in cross section, the shape of a C. More specifically, as shown in Figure 2, the slide 56 may be provided on an outer plate 57 lateral arranged on the support 20. In the embodiment shown, the plate 57 is disposed substantially in a plane (X, Z) and 30 extends forwardly from the channel 25 which it forms the inner face. The slideway 56 comprises two tabs 58a, 58b respectively front and rear, forming the end portions of C. The rail 55 projects laterally and outwardly from the corresponding lateral wing 15 of the screen 4. The slideway 56 is therefore However, other embodiments could be envisaged.
    [0014] As seen in Figures 5 and 6, in the case where the rail 55 has a T-shaped cross section, it comprises two guide surfaces 59a, 59b, respectively front and rear, cooperating with the tabs 58a, 58b the support 20 for guiding, by sliding friction, the movement of the screen 4. The rail 55 and the or the guide surface (s) 59 are described when the screen 4 is in the lowered position, as shown in the figures 6 and 15. Concretely, the rail 55 can be located at the rear and largely under the orifice 49.
    [0015] The guide surface 59 is adapted to the shape of the shell 2, so as to ensure appropriate guidance of the screen 4 in its movement between its positrons lowered and raised, along but at a distance from the inner face 11 of the hull 2, that is to say without contact and without friction. In the embodiment shown, the guide surface 59 has a very flattened S shape. It comprises: - a lower portion 61 having a shape similar to the shape of the front portion 6 of the shell 2, that is to say here curved forward; a median portion 62, located above the lower portion 61, which has a substantially rectilinear shape or with a very small radius of curvature, substantially vertical (in the lowered position of the screen 4); and an upper portion 63 is curved with the concavity directed forward. The movement of the screen 4 from its raised position to its lowered position is now described with reference to FIGS. 10 to 15, this movement being guided by means of the constituent elements of the assembly device of the screen 4. the shell 2, that is to say in particular the connecting rods 40 and the rails 55. The reverse movement of the screen 4, from its lowered position to its raised position, is performed in a similar manner. When the screen 4 is in the up position (FIG. 10), it is housed in the space 29 formed between the support 20 and the inside face 11 of the shell 2. Insofar as the cap 3 is mounted to the inside the support 20, the screen 4 is housed outside the cap 3 and therefore does not come into contact with the wearer's head. In addition, the screen 4 does not substantially project under the lower edge 10 of the shell 2, and the lower edge 16 of the screen 4 can be in abutment against the front edge 9 of the shell 2, thus preventing the screen to be raised further. In this position, the first end 41 of the connecting rod 40 is located below and in front of the second end 42. In addition, the slideway 56 of the support 20 cooperates with the lower portion 61 of the guide surface 59 of the rail 55.
    [0016] When the screen 4 is moved from its raised position towards its lowered position, the first end 41 of the connecting rod 40 pivots around the first axis 51 which is fixed relative to the shell 2. In addition, the second end 42 of the connecting rod 40, and therefore the upper end of the lateral wings 15 of the screen 4, pivots about the second axis 52, the position of which is not fixed relative to the shell 2. The connecting rod 40 thus switches, around the axis 51, passing through a vertical position (Figure 11), then the second end 42 passing to the front of the first end 41. At the end of movement, the screen 4 being in the lowered position (Figure 15), the connecting rod 40 is substantially horizontal.
    [0017] According to the invention, the screen 4, in addition to pivoting about the axis 52, is guided by the rail 55. During a first phase of the movement of the screen 4 from its raised position towards its lowered position, the slide 56 of the support 20 cooperates with the lower portion 61 of the guide surface 59 of the rail 55, as shown in Figures 11 to 13. During this first phase, the screen 4 pivots about an axis movable relative to the shell 2. It is guided substantially along the inner face 11 of the shell 2, since the lower portion 61 has a shape similar to the shape of the front portion 6 of the shell 2. This movement can thus s to perform in a space 29 of restricted dimensions. During a second phase of the movement of the screen 4 from its raised position towards its lowered position, the slide 56 of the support 20 cooperates with the middle portion 62 of the guide surface 59 of the rail 55, as shown in FIG. Figures 14a and 14b. Due to the substantially vertical shape of the middle portion 62, during this second phase, the screen 4 is guided to move substantially vertically and downward. During a third phase of the movement of the screen 4 from its raised position towards its lowered position (illustrated in FIG. 15), the slide 56 of the support 20 cooperates with the upper portion 63 of the guide surface. 59 of the rail 55. The upper portion 63 being curved with the concavity directed forward, during this third phase, the screen 4 is guided to approach the face of the user. Thus, the invention provides a decisive improvement to the prior art.
    [0018] Indeed, thanks to the assembly device combining the guides by the rod and the rail, the position of the center of rotation of the screen evolves in space as the screen moves to its lowered position or his raised position. This allows the screen both to move and to be housed - when in the raised position - in a space of small dimensions, which would not be possible with a simple rotation mechanism. It goes without saying that the invention is not limited to the embodiments described above as examples but that it includes all the technical equivalents and variants of the means described as well as their combinations. In particular, if the rail is described as an integral part of the screen, it could consist of a separate part reported on the screen. The same applies to the slide cooperating with the rail, which could be constituted by a separate part assembled to the support or the hull. 20
    权利要求:
    Claims (14)
    [0001]
    REVENDICATIONS1. Helmet comprising: - a shell (2) for protecting the head of a user; a cap (3) mounted inside the shell (2) and comprising a suspension (12) intended to rest on the head of the user and a headband (13); a face shield (4) comprising a central portion (14) and two lateral wings (15) each assembled to the shell (2) by an assembly device, the screen (4) being mounted inside the the shell (2) movably between: - a lowered position, wherein the screen (4) is located substantially opposite the face of the user; - and a raised position, in which the screen (4) is located in the space (29) between the cap (3) and the inner face (11) of the shell (2); characterized in that each assembly device comprises: - a connecting rod (40) having a first end (41) hingedly mounted around a first substantially transverse axis (51) secured to the shell (2) and a second end (42) mounted in an articulated manner about a second substantially transverse axis (52) integral with an upper end portion of the lateral wing (15) of the screen (4); a rail (55) formed on the lateral flange (15) of the screen (4) and having at least one guide surface (59, 59a, 59b) adapted to cooperate with a member (56, 58a, 58b ) integral with the shell (2) for guiding the movement of the screen (4) between its lowered and raised positions, along but at a distance from the inner face (11) of the shell (2).
    [0002]
    Helmet according to claim 1, characterized in that the guide surface (59, 59a, 59b) comprises a lower portion (61) having a shape similar to the shape of the front portion (6) of the shell (2). ), so that during a first phase of its movement from its raised position towards its lowered position, the screen (4) substantially along the inner face (11) of the shell (2). 35
    [0003]
    3. Helmet according to claim 2, characterized in that the lower portion (61) of the guide surface (59, 59a, 59b) is curved forwardly.
    [0004]
    Helmet according to one of claims 1 to 3, characterized in that the guide surface (59, 59a, 59b) comprises a portion (62) which is situated above the lower portion (61) and which has a substantially rectilinear shape or with a very small radius of curvature, designed to cause, during a second phase of the movement of the screen (4) from its raised position towards its lowered position, a displacement of the screen ( 4) substantially vertically and downward.
    [0005]
    Headgear according to one of Claims 1 to 4, characterized in that the guide surface (59, 59a, 59b) comprises an upper portion (63) which is curved with the concavity directed towards the front, or substantially rectilinear by being inclined from the back to the front from the bottom up, so that during a third phase of its movement from its raised position towards its lowered position, the screen (4) approaches the face of the user.
    [0006]
    6. Helmet according to one of claims 1 to 5, characterized in that the guide surface (59, 59a, 59b) has a S shape very flattened.
    [0007]
    7. Helmet according to one of claims 1 to 6, characterized in that the rail (55) has, in cross section, the shape of an L or a T and 25 in that it is housed in a slideway (56) integral with the shell (2) and having, in cross section, the shape of a U or C.
    [0008]
    8. Helmet according to one of claims 1 to 7, characterized in that the rail (55) projects laterally and outwardly of the corresponding lateral flange (15) 30.
    [0009]
    9. Helmet according to one of claims 1 to 8, characterized in that it comprises at least one support (20) separate from the shell (2) mounted inside the shell (2), and which comprises at least one housing (31) for receiving a fastening member (37) from the cap (3) to the shell (2), said housing (31) being situated in the vicinity of a temple of the user when the user wears the helmet (1).
    [0010]
    10. Helmet according to claim 9, characterized in that the support (20) further comprises: - a connecting device (48) with the first end (41) of the rod (40), allowing the articulation of the connecting rod (40) about the first axis (51); the element (56, 58a, 58b) adapted to cooperate with the guide surface (59, 59a, 59b) of the rail (55) formed on the lateral flange (15) of the screen (4), by example in the form of a paw.
    [0011]
    11. Helmet according to claim 9 or 10, characterized in that the support (20) has a substantially semi-circular shape, in that it is fixed to the inner face (11) of the shell (2) substantially in the vicinity each of its lateral ends, and in that it is disposed generally horizontally between the headband (13) and the inner face (11) of the shell (2), a space (29) being provided between the support (20) and the inner face (11) of the shell (2) for receiving the screen (4) in the raised position. 20
    [0012]
    12. Helmet according to one of claims 1 to 11, characterized in that the screen (4) comprises two orifices (49) each formed in the upper part of a side wing (15), the two orifices (49). having substantially the same transverse axis which corresponds to the second hinge axis (52) of the connecting rod (40).
    [0013]
    13. Helmet according to one of claims 1 to 12, characterized in that the screen (4) is designed to extend substantially to the temples of the user when the user wears the helmet. 30
    [0014]
    14. Helmet according to one of claims 1 to 13, characterized in that the screen (4) comprises a lower flange (16) projecting towards the front.
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    同族专利:
    公开号 | 公开日
    WO2015110442A1|2015-07-30|
    US20160331059A1|2016-11-17|
    CN106413453A|2017-02-15|
    EP3096639A1|2016-11-30|
    FR3016498B1|2016-05-06|
    CN106413453B|2019-05-03|
    EP3096639B1|2019-02-27|
    引用文献:
    公开号 | 申请日 | 公开日 | 申请人 | 专利标题
    JPS5615741U|1979-07-13|1981-02-10|
    DE8534132U1|1985-12-04|1986-06-26|Witzmann, Josef, 8400 Regensburg|Integral safety helmet with retractable visor|
    WO1997019606A1|1995-11-30|1997-06-05|David Winstone Aitken Bennett|A safety helmet and method of manufacture|
    FR2987982A1|2012-03-15|2013-09-20|Msa Gallet|EYE SCREEN FOR PROTECTIVE HELMET|EP3195745A1|2016-01-22|2017-07-26|Salomon S.A.S.|Visor and helmet provided with such a visor|US2204688A|1938-04-04|1940-06-18|Mcclung Charles William|Protective visor for industrial hats|
    US3345642A|1965-12-09|1967-10-10|Mine Safety Appliances Co|Headgear with retractable vertically movable eye shield|
    FR2450072B1|1979-03-02|1982-06-18|Gpa Internal|
    GB8710960D0|1987-05-08|1987-06-10|Helmets Ltd|Aircrew helmet|
    FR2808976B1|2000-05-22|2002-08-16|Gallet Sa|PROTECTIVE HELMET AND ITS MEANS OF CONNECTING AN ACCESSORY|
    US8225419B2|2006-09-14|2012-07-24|Mine Safety Appliances Company|Protective helmet|
    KR100834379B1|2007-12-12|2008-06-09|주식회사 세미코|A safety helmet|
    US20100064405A1|2008-09-17|2010-03-18|Mcgovern Shawn|Integrated system for combat helmet|
    FR2956565B1|2010-02-19|2012-02-10|Msa Gallet|SAFETY HELMET|
    US9993044B2|2012-02-28|2018-06-12|Adolfo Nava Garcia|Helmet with eye protection|
    US9433252B2|2012-07-31|2016-09-06|Revision Military S.Ar.L.|Helmet accessory attachment system|
    CN203314190U|2013-06-13|2013-12-04|重庆安尔特汽车摩托车配件制造有限公司|Motorcycle helmet with concealed type windscreen|
    US20160000167A1|2014-07-03|2016-01-07|Richard J. Alley|Impact Protection Assembly|US11166515B1|2015-01-26|2021-11-09|Mohammed Ali Hajianpour|Helmet/hood assembly structure and method of use thereof|
    US20180092424A1|2016-10-03|2018-04-05|Revision Military S.A.R.L.|Helmet assembly|
    US20210212406A1|2020-01-13|2021-07-15|Msa Technology, Llc|Safety helmet|
    法律状态:
    2015-08-28| TP| Transmission of property|Owner name: MSA PRODUCTION FRANCE, FR Effective date: 20150724 |
    2015-12-08| PLFP| Fee payment|Year of fee payment: 3 |
    2016-12-15| PLFP| Fee payment|Year of fee payment: 4 |
    2017-12-11| PLFP| Fee payment|Year of fee payment: 5 |
    2019-12-16| PLFP| Fee payment|Year of fee payment: 7 |
    2020-12-10| PLFP| Fee payment|Year of fee payment: 8 |
    2021-12-17| PLFP| Fee payment|Year of fee payment: 9 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1450446A|FR3016498B1|2014-01-21|2014-01-21|PROTECTIVE HELMET EQUIPPED WITH A MOBILE FACIAL SCREEN|FR1450446A| FR3016498B1|2014-01-21|2014-01-21|PROTECTIVE HELMET EQUIPPED WITH A MOBILE FACIAL SCREEN|
    PCT/EP2015/051053| WO2015110442A1|2014-01-21|2015-01-21|Protective helmet and face shield|
    US15/112,842| US20160331059A1|2014-01-21|2015-01-21|Protective Helmet and Face Shield|
    EP15700733.7A| EP3096639B1|2014-01-21|2015-01-21|Protective helmet and face shield|
    CN201580005229.7A| CN106413453B|2014-01-21|2015-01-21|Protect the helmet and face shields|
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