EP1959774B1 - Foldable protective helmet - Google Patents

Foldable protective helmet Download PDF

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Publication number
EP1959774B1
EP1959774B1 EP06842112A EP06842112A EP1959774B1 EP 1959774 B1 EP1959774 B1 EP 1959774B1 EP 06842112 A EP06842112 A EP 06842112A EP 06842112 A EP06842112 A EP 06842112A EP 1959774 B1 EP1959774 B1 EP 1959774B1
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EP
European Patent Office
Prior art keywords
crown
elytra
protective helmet
helmet
shock absorbing
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Not-in-force
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EP06842112A
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German (de)
French (fr)
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EP1959774A1 (en
Inventor
Paul Loury
Pascal Joubert Des Ouches
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PJDO
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PJDO
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    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/32—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable
    • A42B3/322—Collapsible helmets

Definitions

  • the invention relates to a protective helmet more particularly intended for the practice of sporting activities such as climbing, biking, mountain biking, skiing, etc., and in general, to the practice of activities whose desired level of protection is equivalent to what is required in fields as varied as sport, leisure, transport (motorcycle, bicycle, .%) and industry.
  • One of the contingencies almost imposed by the user of these helmets is mainly the possibility of combining a certain mechanical strength with a footprint and especially a reduced weight.
  • protective helmets comprising a rigid or semi-rigid outer shell, associated with a compression-deformable element attached to the inside of the shell, and intended to cushion the shocks born from the falls. possible.
  • a damping element is also called calotin.
  • the helmet - object of this document consists of a plurality of rigid outer scales, interconnected by means of flexible material connecting elements, ensuring the join between the scales, and defining a posterior occipital scale, and a a plurality of lateral transverse scales, all of these scales thus defining the shell receiving the damping internal cap.
  • the helmet thus described gives satisfaction in terms of the primary objectives sought, namely protection and flexibility, on the other hand, it has the disadvantage of being relatively bulky, because of the volume it defines.
  • the shell consists of individual segments articulated together at their front and rear end, allowing leisure to deploy or otherwise to fold said shell according to the use of the helmet.
  • this protective helmet does not implement an internal bonnet but an inflatable structure, which can not effectively fulfill the function of damping, so that the protection effectively conferred by such a helmet is reduced, and in any case unsatisfactory for users.
  • the present invention therefore aims at a protective helmet of the type in question, which at the same time, provides an effective protective function by the implementation of a rigid or semi-rigid shell and an internal cap damping and allowing however the folding or reducing the size of the helmet, notwithstanding the presence of said damping element.
  • a protective helmet comprising a rigid or semi-rigid outer shell consisting of a plurality of rigid or semi-rigid scales interconnected, and an inner cap acting as a damper, itself consisting of several elements associated with said scales, including at least one central element and one or more peripheral elements.
  • the rigid or semi-rigid external shell comprises an upper shell defining a crest, two lateral flakes, hereinafter referred to as “elytra ", hinged to the crest, advantageously in the anterior zone, or even in posterior area.
  • the damping element associated with the crest defines with the latter a free space in which are likely to slide the elytra by rotation at the point or points of articulation that binds (s) the crest.
  • the damper element associated with the crest defines at its lateral extensions a plurality of notches oriented substantially parallel to each other, at which are slidable or interlocking shaped projections substantially complementary, constituting in part the damping element associated with each elytra.
  • the damping element associated with the crest defines at its lateral extensions a thinned zone, at which the damper element associated with each of the elytrons, having a continuous profile, can be interlocked with. .
  • the damping elements associated with the elytra are no longer integrally integral.
  • they are articulated on the damping element associated with the crest, and corollary are reversibly attached to said elytra in the deployed position, for example by means of a system loops / hooks type self gripping band.
  • the corresponding damping elements are thus separated from the elytra, which can then slide in the space defined between the crest and the damping element associated with it, and consequently, one folds the damping elements associated with said elytra inside the helmet, by simple rotation about the hinge axis on the damper element of the crest.
  • the damping element associated with each elytra is permanently connected thereto only by means of a flexible hinge at the respective base of said elytron and the corresponding element.
  • said element is reversibly fixed on the elytron in the deployed position by means of a loop / hook system.
  • the protective helmet according to the invention also comprises at its outer shell a posterior or occipital scale.
  • This posterior scale can be articulated on the crest and foldable inside of it by a simple rotational movement.
  • This occipital element advantageously comprises a deformable element, capable at the same time of playing a role of comfort and damping.
  • This posterior scale is also capable of sliding within the space defined between the crest and the damper element associated with it, like the elytra.
  • the helmet according to the invention further advantageously comprises a size adjustment system conventionally called “fit system ".
  • the helmet consists of an outer shell, consisting in this case of four elements or flakes, made of a rigid material, typically polycarbonate, polyamide, ABS (acrylonitrile butadiene styrene), or even composite material.
  • a rigid material typically polycarbonate, polyamide, ABS (acrylonitrile butadiene styrene), or even composite material.
  • These four elements consist respectively of an upper element (2), called a crest, two lateral or elytral scales (3, 4), extending substantially over the entire length of the helmet, and a rear element (5). acting as an occipital protective element.
  • the two elytra (3) and (4) are articulated at the anterior end of the crest (2) at points of articulation (6), as can be seen on the figure 2 and on Figures 6 and 7 .
  • these points of rotation (6) allow the elytra (3) and (4) to slide inside the crest (2), as moreover it can be observed more particularly at the level of the figure 7 . More precisely, the articulation points are oriented in such a way that the elytra move substantially parallel to the bottom of the crest (2).
  • the occipital scale (5) is articulated on the crest (2). In this configuration, several cases are possible.
  • the occipital scale (5) is articulated on the crest by means of a hinge pin (12) formed at the level of the bottom of the crest (see figure 2 ), an articulation arm (7) extending therefrom, and being secured within said occipital tortoiseshell.
  • the occipital scale (5) is likely to fall back towards the interior of the hull and in particular the crest.
  • the occipital scale (5) is articulated laterally on the crest (2), either directly ( figure 9a ) by means of hinge pins (19), or by means of two intermediate arms (20).
  • the occipital scale (5) is slidable between the crest and the damping element which it is provided, and, like the elytra (3, 4): see figure 11 .
  • the occipital scale is devoid of damper element, or the one with which it is equipped is likely to retract in the same way for example as those described in relation to elytra (3, 4) in connection with the Figures 8b and 8c .
  • the base of the occipital scale (5) is provided with two male clips, each intended to cooperate with an orifice provided for this purpose in the vicinity of the posterior base of each of the elytra (3, 4 ).
  • the size of the helmet is advantageously adjusted by means of an organ well known to those skilled in the art and traditionally referred to as "fit system ".
  • Such a system is either internal or external, and in the particular application of the invention, is positioned on the occipital scale (5). In this configuration, it acts on the flexibility of the scales constituting the shell, and on the possibility conferred on the occipital scale (5) to pivot against the occiput of the user to allow to adjust the size.
  • the end of the lateral lugs (21) emanating from said fit-system symbolized by the wheel (22) are each provided with either a protruding lug (23), directed towards the inside of the helmet, and adapted to cooperate with a light (24) provided for this purpose at the posterior base of the elytron considered ( figure 13b ), or a clip (25), intended to cooperate with a complementary element (26), also positioned at the rear base of said elytrium ( figure 13c ).
  • the fit-system (22) is provided with a cable (27), each end of which defines a loop (28) intended to surround a button (29) provided for this purpose at the rear base of the elyter considered.
  • the traction on the cable (27) via the wheel (22) of the fit-system induces besides the tightening of the base of the helmet, in order to allow the adjustment of the size of the latter, also the maintenance in the deployed position of said elytra.
  • each of the elytrons (3, 4) is guided during the sliding step inside the crest (2) by means of a rail (30) formed within the inner wall of the occipital tortoiseshell (5). ).
  • the rail (30) is slit (31) in the lower zone, to allow the passage, through the slot (31) thus formed, the rear end (32) of the elytron.
  • This end (32) is received on an abutment (33), oriented substantially perpendicular to the rail (30), and on which it is capable of moving in addition to being guided by the slot (32), in order to cooperate with means for adjusting the size of the helmet, and such as for example constituted by a rack (34) or lugs (35) cooperating with corresponding slots (36), these means being derived from molding.
  • the elytron is provided on its outer face, slightly above its lower edge, a rack (50), in particular after molding.
  • This rack (50) when the groove (47) is snapped into the abutment (49), is found plumb with a tooth (51) of corresponding shape and orientation, integrated into a pushbutton type organ ( 52), operable from the outer face of the occipital element (5), and exerting natural pressure towards the inside of the helmet.
  • the release of the elytron out of the occipital element is effected by simply pressing the pushbutton (52), to disengage the tooth (51) of the rack (50), and the tooth (49 ' ) of the stop (49) to disengage it from the groove (47).
  • the push-button (52) provided with the tooth (51) is snapped into a housing provided for this purpose within the outer surface of the occipital element (5), and fixed at this level by simple cooperation of a pin (53) with a hole (54) provided for this purpose.
  • each of the constituent scales of this shell receives one or more damping elements acting as inner caps.
  • These elements of the inner cap are made of one or more semi-rigid cellular materials, chosen according to their compressive shock absorption capacity, the standards in force in the activity in question, and their flexibility, allowing them to adapt as best as possible to the shape of the user's skull.
  • this material is generally made of a polymer foam, such as expanded polypropylenes, polystyrenes, or polyurethane.
  • These elements have a typical thickness of between 10 and 35 mm, for a density of between 60 g / l and 100 g / l.
  • the damping properties of the polypropylene foam are coupled with a memory effect, allowing said elements to return to their original shape after deformation resulting from a shock of low energy level. This thus provides improved durability and durability characteristics of the helmet.
  • the crest (2) receives a damping element (8) produced by means of one of the abovementioned materials.
  • This element (8) is secured by bonding bottom of the internal face of the crest (2) limitatively at its central zone.
  • this element (8) has the particularity of providing at these two lateral extensions, that is to say on either side of the substantially rectilinear central zone, notches (13), substantially parallel to each other, compared to others, and extending towards the base of the helmet when it is in operational configuration.
  • indentations are not traversing, as can be seen on the figures 3 and 6 .
  • the recess defining said indentations indeed extends from a thinned area (14), intended to come into contact with the skull of the user, towards the outside.
  • the internal damping element (8) is secured to the crest only at the anterior and posterior ends, so as to define with the crest a free space adapted to receive, as described below, the two elytra (3) and (4).
  • the deformable inner element respectively (9) and (10), associated with each of the elytrons (3) and (4), is composed, in this configuration, first of a substantially linear portion, secured to the base internal of the elytron considered, which extend in the direction of the top this time, a plurality of projections (16), in number and shape complementary to the indentations (13) formed within the damping internal element (8). associated with the crest (2).
  • the elytron (3) or (4) pivots relative to the point of rotation (6), or when said elytron is simply translated (then in the absence of a rotation point), the elytron itself is capable of being able to penetrate into the space defined between the damping element (8) associated with the crest (2) and the latter, this relative displacement being not prevented by the presence of the respective damping elements (9, 10) of the elytra ( 3, 4), insofar as the projections (16) thereof slide in the notches (13).
  • the damping element (8) associated with the crest (2) no longer has indentations (13), but releases a substantially uniform and continuous free space between the base (14) and the crest (2), within which is slidable the damping element (9, 10) elytra (3, 4), which are also continuous (thus free of projections).
  • the profile of said elements (9, 10) is substantially complementary to said free volume.
  • the damping elements (9, 10) associated with the elytra (3, 4) are different.
  • they are not attached to the elytra in question, in any case irreversibly.
  • the damping elements (9, 10) are attached to the elytra, when they are in the deployed position, by means of a system of loops / hooks type self gripping band.
  • the damping elements (9, 10) are each articulated on the damping element (8) associated with the crest (2) at a hinge axis (38) formed in the vicinity of the free edge (37) of said element (8).
  • the damping elements (9, 10) when it is desired to fold the helmet, it is sufficient to separate the damping elements (9, 10) elytra respective (3, 4) by simple traction, thus releasing said elytra and allowing their sliding in space defined between the crest (2) and the damper element (8) associated therewith.
  • the damping elements (9, 10) are folded inside the helmet, by simple rotation about the hinge axis (38) on the damper element (8) of the crest.
  • the damping elements (9, 10) associated with each of the elytrons (3, 4) are also reversibly fixed to the inner wall of said elytra in the extended position, again for example by means of a system loops / hooks of the type Moreover, the lower edge (39) of said damping elements (9, 10) is secured to the lower edge (40) of the elytron considered by means of a flexible hinge (41).
  • the damping elements (9, 10) are disconnected from the corresponding elytrons (3, 4), firstly allowing the elytra to slide in the space defined between the crest. (2) and the damper element (8) associated therewith. Simultaneously, due to the presence of the flexible hinge (41), this sliding induces the displacement of the damping elements (9, 10) which are associated respectively substantially parallel to the damper element (8) of the crest (2).
  • the occipital flake (5) may also be provided with an internal damping element (11). It performs as much a comfort function as a damping function.
  • the helmet according to the invention may further comprise means for limiting the deployment movement of the elytra.
  • These means may for example consist of abutments (42) resulting from molding, formed in the vicinity of the upper edge (43) of each elytra (3, 4) and projecting relative to their outer surface. These stops are intended to be received in a linear arrangement (44), provided for this purpose within the inner surface of the crest (2), thus capable of acting as a guide during the sliding operation elytra.
  • This deployment can also be limited by the implementation of the abutment (49), then cooperating with the protruding groove (47) formed at the inner face of each elytra (3, 4) (see above and Figures 16a, 16b, 16c )).
  • the helmet thus defined is also provided with tether straps, more particularly described in connection with the Figures 17 to 19 , allowing its reversible attachment to the head of the user.
  • the anterior straps (55) are fixed on the crest (2), by means of a loop (56) surrounding a member (57) provided for this purpose, said straps passing through the corresponding cap (8) and said crest ( 2) at the slots, respectively (58) and (59) provided for this purpose.
  • each of the loops (56) of the two front straps (55) is wound around a member (57 '), also positioned on the outer face of the crest (2).
  • said crest comprises in this configuration two members (57 '), positioned more laterally on the latter, and no longer in a relatively centered position, as in the previous case.
  • each of these bodies (57 ') is formed a slot (60) in the crest, and (61) in the corresponding cap.
  • the loop (56) of each of the anterior straps (55) is wound at a member (62) formed at the upper edge (43) of elytra.
  • a boss (63) is formed in the crest, to allow the folding of the elyter provided with this member between the cap (8) and the crest (2).
  • the two elytra (3, 4) are slid within the space defined between the damping element (8) and the crest (2), by rotation of said elytra with respect to their respective articulation point (6), or even by guiding in the rail (30), then the occipital flake is folded down to the inside the crest, by rotation of the crest.
  • such a helmet provides the traditional functions that are devolving protection and depreciation in case of shocks.

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  • Helmets And Other Head Coverings (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

This protective helmet comprises a rigid or semi-rigid external shell comprising a plurality of rigid or semi-rigid flaps joined together and a compressively deformable internal liner acting as a shock absorber, the latter also comprising several elements associated with said flaps. At least some of the flaps that constitute the external shell are capable of moving relative to each other at their respective means of connection and the elements that constitute the internal liner associated with the flaps in question are designed so that they retract inside the volume defined by the helmet during relative displacement of the corresponding flaps.

Description

DOMAINE DE L'INVENTIONFIELD OF THE INVENTION

L'invention concerne un casque de protection plus particulièrement destiné à la pratique d'activités sportives du type escalade, vélo, VTT, ski, etc, et de manière générale, à la pratique d'activités dont le niveau recherché de protection est équivalent à ce qui est requis dans les domaines aussi variés que le sport, les loisirs, les transports (moto, vélo,....) et l'industrie.The invention relates to a protective helmet more particularly intended for the practice of sporting activities such as climbing, biking, mountain biking, skiing, etc., and in general, to the practice of activities whose desired level of protection is equivalent to what is required in fields as varied as sport, leisure, transport (motorcycle, bicycle, ....) and industry.

ETAT ANTERIEUR DE LA TECHNIQUEPRIOR STATE OF THE TECHNIQUE

Dans le cadre d'une sécurisation accrue des activités, sportives notamment, il est de plus en plus souvent préconisé le port d'un casque pour, sinon annuler, du moins réduire les conséquences d'une chute ou d'un choc.In the context of increased security activities, including sports, it is increasingly recommended to wear a helmet to, if not cancel, at least reduce the consequences of a fall or shock.

Ceci est notamment vrai dans le domaine de l'escalade ou du ski, mais également dans celle du cyclisme, et plus particulièrement du VTT, voire du cyclisme sur route.This is particularly true in the field of climbing or skiing, but also in that of cycling, especially mountain biking, or even road cycling.

L'une des contingences quasiment imposée par l'utilisateur de ces casques est principalement la possibilité d'allier une résistance mécanique certaine avec un encombrement et surtout un poids réduits.One of the contingencies almost imposed by the user of these helmets is mainly the possibility of combining a certain mechanical strength with a footprint and especially a reduced weight.

Afin de satisfaire cette demande, il a été proposé des casques de protection, comportant une coque externe rigide ou semi-rigide, associés à un élément déformable en compression rapporté à l'intérieur de la coque, et destiné à amortir les chocs nés des chutes éventuelles. Un tel élément amortisseur est également qualifié de calotin.In order to satisfy this demand, protective helmets have been proposed, comprising a rigid or semi-rigid outer shell, associated with a compression-deformable element attached to the inside of the shell, and intended to cushion the shocks born from the falls. possible. Such a damping element is also called calotin.

Un tel casque a par exemple été décrit dans le document FR 2 865 356 . Le casque - objet de ce document est constitué d'une pluralité d'écailles externes rigides, liées entre elles au moyen d'éléments de liaison en matériau souple, assurant la jointure entre les écailles, et définissant une écaille postérieure dite occipitale, et une pluralité d'écailles latérales transversales, l'ensemble de ces écailles définissant donc la coque recevant le calotin interne amortisseur.Such a helmet has for example been described in the document FR 2,865,356 . The helmet - object of this document consists of a plurality of rigid outer scales, interconnected by means of flexible material connecting elements, ensuring the join between the scales, and defining a posterior occipital scale, and a a plurality of lateral transverse scales, all of these scales thus defining the shell receiving the damping internal cap.

Si le casque ainsi décrit donne satisfaction sur le plan des objectifs premiers recherchés, à savoir protection et souplesse, en revanche, il présente l'inconvénient d'être relativement encombrant, de part le volume qu'il définit.If the helmet thus described gives satisfaction in terms of the primary objectives sought, namely protection and flexibility, on the other hand, it has the disadvantage of being relatively bulky, because of the volume it defines.

Or, attendu qu'un tel casque n'est pas systématiquement porté par son utilisateur, par exemple lors des phases de repos, des marches d'approche en alpinisme, de transferts par le biais de rémontées mécaniques, ou encore, s'agissant d'un cycliste, lorsque ce dernier en déplacement, notamment urbain, gare son vélo, etc., on cherche à disposer d'un casque d'encombrement réduit, lorsqu'il n'est pas utilisé.However, since such a helmet is not systematically worn by the user, for example during the rest phases, approaching steps in mountaineering, transfers by means of mechanical returns, or, for a cyclist, when the latter on the move, especially urban, park his bike, etc., we seek to have a small headset, when not in use.

A cet effet, on a proposé, par exemple dans le document FR 2 781 650 , un casque de protection repliable, dont la coque est constituée de segments individuels articulés entre eux au niveau de leur extrémité avant et arrière, permettant ainsi à loisir de déployer ou au contraire de replier ladite coque en fonction de l'utilisation du casque.For this purpose, it has been proposed, for example in the document FR 2 781 650 , a folding protective helmet, the shell consists of individual segments articulated together at their front and rear end, allowing leisure to deploy or otherwise to fold said shell according to the use of the helmet.

Cependant, ce casque de protection ne met pas en oeuvre de calotin interne mais une structure gonflable, qui ne peut remplir efficacement la fonction d'amortissement, de sorte que la protection effectivement conférée par un tel casque est réduite, et en tout cas non satisfaisante pour les utilisateurs.However, this protective helmet does not implement an internal bonnet but an inflatable structure, which can not effectively fulfill the function of damping, so that the protection effectively conferred by such a helmet is reduced, and in any case unsatisfactory for users.

La présente invention vise donc un casque de protection du type en question, qui tout à la fois, assure une fonction de protection efficace de par la mise en oeuvre d'une coque rigide ou semi-rigide et d'un calotin interne amortissant et permettant cependant le pliage ou la réduction de taille du casque, nonobstant la présence dudit élément amortisseur.The present invention therefore aims at a protective helmet of the type in question, which at the same time, provides an effective protective function by the implementation of a rigid or semi-rigid shell and an internal cap damping and allowing however the folding or reducing the size of the helmet, notwithstanding the presence of said damping element.

EXPOSE DE L'INVENTIONSUMMARY OF THE INVENTION

Celle-ci concerne donc un casque de protection comprenant une coque rigide ou semi rigide externe constituée d'une pluralité d'écailles rigides ou semi rigides liées entre elles, et un calotin interne faisant fonction d'amortisseur, lui-même constitué de plusieurs éléments, associés auxdites écailles, dont au moins un élément central et un ou plusieurs éléments périphériques.This therefore relates to a protective helmet comprising a rigid or semi-rigid outer shell consisting of a plurality of rigid or semi-rigid scales interconnected, and an inner cap acting as a damper, itself consisting of several elements associated with said scales, including at least one central element and one or more peripheral elements.

Selon l'invention :

  • ■ une partie au moins des écailles constitutives de la coque externe est susceptible de se déplacer les unes par rapport aux autres, au niveau de leur moyen de liaison respectif,
  • ■ seuls les éléments périphériques constitutifs du calotin interne associés aux écailles correspondantes sont définis pour venir s'escamoter à l'intérieur du volume défini par le casque et par l'élément central lors du déplacement relatif des écailles correspondantes.
According to the invention:
  • At least part of the scales constituting the outer shell is capable of moving relative to each other, at their respective connecting means,
  • Only the peripheral elements constituting the inner cap associated with the corresponding scales are defined to retract within the volume defined by the helmet and the central element during the relative displacement of the corresponding scales.

Ce faisant, il devient possible de réduire l'encombrement du casque lorsqu'il n'est pas en position opérationnelle de protection, en assurant un déplacement relatif de partie des écailles les unes par rapport aux autres, ce déplacement n'étant pas ou peu affecté par la présence des éléments constitutifs du calotin interne.In doing so, it becomes possible to reduce the size of the helmet when it is not in the operational protective position, ensuring a relative displacement of part of the scales relative to each other, this displacement being little or no affected by the presence of the constituent elements of the inner cap.

Selon une caractéristique de l'invention, la coque externe rigide ou semi rigide comprend une écaille supérieure définissant un cimier, deux écailles latérales, dénommées dans la suite de la description, « élytres », articulées au cimier, avantageusement en zone antérieure, voire en zone postérieure.According to one characteristic of the invention, the rigid or semi-rigid external shell comprises an upper shell defining a crest, two lateral flakes, hereinafter referred to as "elytra ", hinged to the crest, advantageously in the anterior zone, or even in posterior area.

Selon cette configuration, l'élément amortisseur associé au cimier définit avec ce dernier un espace libre au sein duquel sont susceptibles de coulisser les élytres par rotation au niveau du ou des points d'articulation qui les lie(nt) au cimier.According to this configuration, the damping element associated with the crest defines with the latter a free space in which are likely to slide the elytra by rotation at the point or points of articulation that binds (s) the crest.

Toujours selon cette configuration, l'élément amortisseur associé au cimier définit au niveau de ses extensions latérales une pluralité d'échancrures orientées sensiblement parallèlement les unes par rapport aux autres, au niveau desquelles sont susceptibles de coulisser ou de s'imbriquer des saillies de forme sensiblement complémentaire, constituant en partie l'élément amortisseur associé à chacune des élytres.Still according to this configuration, the damper element associated with the crest defines at its lateral extensions a plurality of notches oriented substantially parallel to each other, at which are slidable or interlocking shaped projections substantially complementary, constituting in part the damping element associated with each elytra.

Selon une variante de cette configuration, l'élément amortisseur associé au cimier définit au niveau de ses extensions latérales une zone amincie, au niveau de laquelle est susceptible de venir s'imbriquer l'élément amortisseur associé à chacune des élytres, présentant un profil continu.According to a variant of this configuration, the damping element associated with the crest defines at its lateral extensions a thinned zone, at which the damper element associated with each of the elytrons, having a continuous profile, can be interlocked with. .

Selon une variante de l'invention, les éléments amortisseurs associés aux élytres ne leur sont plus intégralement solidaires. Ainsi, ils sont articulés sur l'élément amortisseur associé au cimier, et corollairement sont réversiblement fixés auxdites élytres en position déployée, par exemple au moyen d'un système boucles / crochets du type bande auto agrippante. Lorsque l'on souhaite procéder au repliage du casque, on désolidarise ainsi les éléments amortisseurs correspondant des élytres, celles-ci pouvant alors coulisser dans l'espace défini entre le cimier et l'élément amortisseur qui lui est associé, et corollairement, on rabat les éléments amortisseurs associés auxdites élytres à l'intérieur du casque, par simple rotation autour de l'axe d'articulation sur l'élément amortisseur du cimier.According to a variant of the invention, the damping elements associated with the elytra are no longer integrally integral. Thus, they are articulated on the damping element associated with the crest, and corollary are reversibly attached to said elytra in the deployed position, for example by means of a system loops / hooks type self gripping band. When it is desired to fold the helmet, the corresponding damping elements are thus separated from the elytra, which can then slide in the space defined between the crest and the damping element associated with it, and consequently, one folds the damping elements associated with said elytra inside the helmet, by simple rotation about the hinge axis on the damper element of the crest.

Selon une autre variante du même ordre, l'élément amortisseur associé à chacune des élytres n'est relié de manière permanente à celles-ci qu'au moyen d'une charnière souple au niveau de la base respective de ladite élytre et de l'élément correspondant. Au surplus, comme dans la variante précédente, ledit élément est réversiblement fixé sur l'élytre en position déployée au moyen d'un système boucles / crochets. Ce faisant, lorsque l'on souhaite procéder au repliage du casque, on désolidarise les éléments amortisseurs des élytres, et simultanément au coulissement des élytres dans l'espace défini entre le cimier et l'élément amortisseur qui lui est associé, on induit le déplacement des éléments amortisseurs qui leur sont associés sensiblement parallèlement à l'élément amortisseur du cimier.According to another variant of the same order, the damping element associated with each elytra is permanently connected thereto only by means of a flexible hinge at the respective base of said elytron and the corresponding element. Moreover, as in the previous variant, said element is reversibly fixed on the elytron in the deployed position by means of a loop / hook system. In doing so, when it is desired to fold the helmet, the damping elements are separated from the elytra, and simultaneously with the sliding of the elytra in the space defined between the crest and the damper element associated with it, the displacement is induced. damper elements associated with them substantially parallel to the damper element of the crest.

Avantageusement, le casque de protection conforme à l'invention comporte également au niveau de sa coque externe une écaille postérieure ou occipitale.Advantageously, the protective helmet according to the invention also comprises at its outer shell a posterior or occipital scale.

Cette écaille postérieure peut être articulée sur le cimier et rabattable à l'intérieur de celui-ci par un simple mouvement de rotation. Cet élément occipital comporte avantageusement un élément déformable, susceptible tout à la fois de jouer un rôle de confort et d'amortissement.This posterior scale can be articulated on the crest and foldable inside of it by a simple rotational movement. This occipital element advantageously comprises a deformable element, capable at the same time of playing a role of comfort and damping.

Cette écaille postérieure est également susceptible de coulisser à l'intérieur de l'espace défini entre le cimier et l'élément amortisseur qui lui est associé, à l'instar des élytres.This posterior scale is also capable of sliding within the space defined between the crest and the damper element associated with it, like the elytra.

Le casque conforme à l'invention comporte en outre de manière avantageuse un système de réglage de la taille classiquement dénommé «fit system ».The helmet according to the invention further advantageously comprises a size adjustment system conventionally called "fit system ".

BREVE DESCRIPTION DES DESSINSBRIEF DESCRIPTION OF THE DRAWINGS

La manière dont l'invention peut être réalisée et les avantages qui en découlent ressortiront mieux de l'exemple de réalisation qui suit, donné à titre indicatif et non limitatif à l'appui des figures annexées.

  • La figure 1 est une représentation schématique en perspective du casque conforme à l'invention, en configuration opérationnelle d'utilisation et vu latéralement.
  • La figure 2 est une vue du dessous du casque en question, également en position opérationnelle, et la figure 3 une vue sensiblement du dessus, également en perspective, dans laquelle le cimier d'une part, et l'une des élytres d'autre part, n'ont pas été représentés, afin de faciliter la compréhension.
  • La figure 4 est une vue de côté du casque conforme à l'invention en configuration repliée, dont la figure 5 est une vue de dessous, et dans laquelle l'une des élytres n'a pas été représentée, toujours dans le but de favoriser la compréhension.
  • Les figures 6 et 7 illustrent schématiquement en perspective deux positions du casque, respectivement une première configuration du casque en mode opérationnel déployé, et une seconde configuration du casque en cours de repliage.
  • Les figures 8a, 8b et 8c illustrent schématiquement trois modes différents d'escamotage des éléments amortisseurs à l'intérieur du casque.
  • Les figures 9a et 9b illustrent schématiquement deux modes différents d'articulation de l'écaille occipitale sur le cimier.
  • Les figures 10a et 10b illustrent un autre mode d'articulation de l'écaille occipitale sur le cimier, selon un principe de double rotation.
  • La figure 11 illustre schématiquement le coulissement de l'écaille occipitale à l'intérieur de l'espace défini entre le cimier et l'élément amortisseur qui lui est associé.
  • La figure 12 illustre schématiquement la limitation du déploiement des élytres, afin d'aboutir à la conformation du casque en mode déployé opérationnel.
  • Les figures 13a, 13b et 13c illustrent la mise en oeuvre du fit-system externe, avec deux modes différents de clipsage.
  • Les figures 14a et 14b illustrent un autre mode de mise en oeuvre du fit-system externe.
  • Les figures 15a, 15b et 15c illustrent un autre mode de réglage de la taille du casque.
  • Les figures 16a, 16b et 16c illustrent la mise en oeuvre du fit system selon une autre forme de réalisation de l'invention, les figures 16b et 16c constituant une vue de détail d'éléments de la figure 16a.
  • La figure 17 est une illustration schématique d'un premier mode de fixation des sangles antérieures d'attache du casque sur la tête d'un utilisateur.
  • Les figures 18a et 18b sont des illustrations schématiques d'un second mode de fixation des sangles antérieures d'attache du casque sur la tête d'un utilisateur.
  • Les figures 19a, 19b et 19c sont des illustrations schématiques d'un troisième mode de fixation des sangles antérieures d'attache du casque sur la tête d'un utilisateur.
The manner in which the invention can be realized and the advantages which result therefrom will emerge more clearly from the exemplary embodiment which follows, given by way of indication and not limitation, in support of the appended figures.
  • The figure 1 is a schematic representation in perspective of the helmet according to the invention, in operational configuration of use and seen laterally.
  • The figure 2 is a view from below of the helmet in question, also in operational position, and the figure 3 a view substantially from above, also in perspective, in which the crest on the one hand, and one of the elytra on the other hand, have not been shown, in order to facilitate understanding.
  • The figure 4 is a side view of the helmet according to the invention in folded configuration, the figure 5 is a view from below, and in which one of the elytra has not been represented, always in order to promote understanding.
  • The Figures 6 and 7 schematically illustrate in perspective two positions of the helmet, respectively a first configuration of the helmet in deployed operational mode, and a second configuration of the helmet being folded.
  • The Figures 8a, 8b and 8c schematically illustrate three different modes of retraction of the damping elements inside the helmet.
  • The Figures 9a and 9b schematically illustrate two different modes of articulation of the occipital scale on the crest.
  • The Figures 10a and 10b illustrate another mode of articulation of the occipital scale on the crest, according to a principle of double rotation.
  • The figure 11 schematically illustrates the sliding of the occipital scale within the space defined between the crest and the damper element associated therewith.
  • The figure 12 schematically illustrates the limitation of the deployment of the elytra, in order to lead to the conformation of the helmet in operational deployed mode.
  • The Figures 13a, 13b and 13c illustrate the implementation of the external fit-system, with two different modes of clipping.
  • The Figures 14a and 14b illustrate another mode of implementation of the external fit-system.
  • The Figures 15a, 15b and 15c illustrate another way of adjusting the size of the helmet.
  • The Figures 16a, 16b and 16c illustrate the implementation of the fit system according to another embodiment of the invention, the Figures 16b and 16c constituting a detailed view of elements of the figure 16a .
  • The figure 17 is a schematic illustration of a first method of fixing the anterior straps attaching the helmet to the head of a user.
  • The Figures 18a and 18b are schematic illustrations of a second method of fixing the anterior straps attaching the helmet to the head of a user.
  • The Figures 19a, 19b and 19c are schematic illustrations of a third mode of attachment of the anterior straps attaching the helmet to the head of a user.

DESCRIPTION DETAILLEE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

A donc été représentée sur la figure 1 une vue latérale du casque de protection conforme à l'invention, en configuration opérationnelle, c'est-à-dire déployée.So was represented on the figure 1 a side view of the protective helmet according to the invention, in operational configuration, that is to say deployed.

Dans cet exemple particulier de réalisation de l'invention, le casque se compose d'une coque externe, constituée en l'espèce de quatre éléments ou écailles, réalisées en un matériau rigide, typiquement en polycarbonate, polyamide, ABS (acrylonitrile butadiène styrène), voire en matériau composite. Ces écailles sont réalisées par tous procédés connus de l'industrie de transformation des matières plastiques, et notamment par injection, thermoformage ou emboutissage.In this particular embodiment of the invention, the helmet consists of an outer shell, consisting in this case of four elements or flakes, made of a rigid material, typically polycarbonate, polyamide, ABS (acrylonitrile butadiene styrene), or even composite material. These scales are made by any process known to the plastics processing industry, and especially by injection, thermoforming or stamping.

Ces quatre éléments sont respectivement constitués d'un élément supérieur (2), dénommé cimier, de deux écailles latérales ou élytres (3, 4), s'étendant sensiblement sur toute la longueur du casque, et d'un élément postérieur (5) faisant fonction d'élément protecteur occipital.These four elements consist respectively of an upper element (2), called a crest, two lateral or elytral scales (3, 4), extending substantially over the entire length of the helmet, and a rear element (5). acting as an occipital protective element.

Ces différentes écailles sont liées entre elles de la manière suivante.These different scales are linked together in the following way.

Les deux élytres (3) et (4) sont articulées au niveau de l'extrémité antérieure du cimier (2) au niveau de points d'articulation (6), tels qu'on peut l'observer sur la figure 2 et sur les figures 6 et 7.The two elytra (3) and (4) are articulated at the anterior end of the crest (2) at points of articulation (6), as can be seen on the figure 2 and on Figures 6 and 7 .

Ces points d'articulation sont suffisamment résistants mécaniquement pour autoriser la rotation des élytres (3) et (4) par rapport à ces seuls points, nonobstant le porte-à-faux relatif généré en raison de leur longueur relative.These articulation points are mechanically strong enough to allow rotation of the elytra (3) and (4) with respect to these points alone, notwithstanding the relative overhang generated due to their relative length.

Plus précisément, ces points de rotation (6) permettent le glissement des élytres (3) et (4) à l'intérieur du cimier (2), tel que par ailleurs on peut l'observer plus particulièrement au niveau de la figure 7. Plus précisément, les points d'articulation sont orientés de telle façon que les élytres se déplacent sensiblement parallèlement au fond du cimier (2).More precisely, these points of rotation (6) allow the elytra (3) and (4) to slide inside the crest (2), as moreover it can be observed more particularly at the level of the figure 7 . More precisely, the articulation points are oriented in such a way that the elytra move substantially parallel to the bottom of the crest (2).

Selon un premier mode de réalisation, l'écaille occipitale (5) est articulée sur le cimier (2). Dans cette configuration, plusieurs cas de figure sont possibles.According to a first embodiment, the occipital scale (5) is articulated on the crest (2). In this configuration, several cases are possible.

Dans un premier cas illustré au sein des figures 2, 4 et 5, l'écaille occipitale (5) est articulée sur le cimier au moyen d'un axe d'articulation (12) ménagé au niveau du fond du cimier (voir figure 2), un bras d'articulation (7) s'étendant à partir de celui-ci, et étant solidarisé à l'intérieur de ladite écaille occipitale.In a first case illustrated within the figures 2 , 4 and 5 , the occipital scale (5) is articulated on the crest by means of a hinge pin (12) formed at the level of the bottom of the crest (see figure 2 ), an articulation arm (7) extending therefrom, and being secured within said occipital tortoiseshell.

Dans un deuxième cas, illustré en relation avec les figures 10a et 10b, l'articulation de l'écaille occipitale (5) sur le cimier (2) est réalisée au moyen d'un bras d'articulation (17), monté rotatif d'une part, au niveau de la base externe (18) dudit cimier, et d'autre part, sur la face externe de l'écaille en question. Ce faisant, le débattement conféré à l'écaille occipitale (5) est augmenté.In a second case, illustrated in relation to Figures 10a and 10b , the articulation of the occipital scale (5) on the crest (2) is performed by means of a hinge arm (17) rotatably mounted on the one hand, at the outer base (18) of said crest, and secondly, on the outer face of the shell in question. In doing so, the clearance given to the occipital scale (5) is increased.

Dans ces deux cas de figure, l'écaille occipitale (5) est susceptible de se rabattre en direction de l'intérieur de la coque et notamment du cimier.In these two cases, the occipital scale (5) is likely to fall back towards the interior of the hull and in particular the crest.

Dans d'autres cas de figure, illustrés en relation avec les figures 9a et 9b, l'écaille occipitale (5) est articulée latéralement sur le cimier (2), soit directement (figure 9a) par le biais de goupilles d'articulation (19), soit par le biais de deux bras intermédiaires (20).In other cases, illustrated in relation to the Figures 9a and 9b , the occipital scale (5) is articulated laterally on the crest (2), either directly ( figure 9a ) by means of hinge pins (19), or by means of two intermediate arms (20).

Selon un second mode de réalisation de l'invention, l'écaille occipitale (5) est susceptible de coulisser entre le cimier et l'élément amortisseur dont il est muni, et ce, à l'instar des élytres (3, 4) : voir figure 11. Dans une telle configuration, soit l'écaille occipitale est dépourvue d'élément amortisseur, soit celui dont elle est munie est susceptible de s'escamoter de la même manière par exemple que ceux décrits en relation avec les élytres (3, 4) en lien avec les figures 8b et 8c.According to a second embodiment of the invention, the occipital scale (5) is slidable between the crest and the damping element which it is provided, and, like the elytra (3, 4): see figure 11 . In such a configuration, the occipital scale is devoid of damper element, or the one with which it is equipped is likely to retract in the same way for example as those described in relation to elytra (3, 4) in connection with the Figures 8b and 8c .

Lorsque les différentes écailles sont en position déployée, il est donc défini une coque externe sensiblement continue, rigide, présentant une certaine résistance mécanique, en corrélation avec l'utilisation envisagée d'un tel casque. Différentes solutions peuvent être envisagées pour maintenir le casque ainsi réalisé en position opérationnelle déployée.When the different scales are in the deployed position, it is therefore defined a substantially continuous outer shell, rigid, having a certain mechanical strength, in correlation with the intended use of such a helmet. Different solutions can be envisaged to maintain the helmet thus produced in deployed operational position.

Selon une version simple et non représentée, on munit la base de l'écaille occipitale (5) de deux clips mâles, destinés à coopérer chacun avec un orifice ménagé à cet effet au voisinage de la base postérieure de chacune des élytres (3, 4).According to a simple version and not shown, the base of the occipital scale (5) is provided with two male clips, each intended to cooperate with an orifice provided for this purpose in the vicinity of the posterior base of each of the elytra (3, 4 ).

Selon l'invention, la taille du casque est avantageusement réglée au moyen d'un organe bien connu de l'homme du métier et dénommé traditionnellement sous l'expression anglo-saxonne « fit system ».According to the invention, the size of the helmet is advantageously adjusted by means of an organ well known to those skilled in the art and traditionally referred to as "fit system ".

Un tel système est soit interne, soit externe, et dans l'application particulière de l'invention, est positionné sur l'écaille occipitale (5). Dans cette configuration, il agit sur la souplesse des écailles constitutive de la coque, et sur la possibilité conférée à l'écaille occipitale (5) de pivoter contre l'occiput de l'utilisateur pour permettre de régler la taille.Such a system is either internal or external, and in the particular application of the invention, is positioned on the occipital scale (5). In this configuration, it acts on the flexibility of the scales constituting the shell, and on the possibility conferred on the occipital scale (5) to pivot against the occiput of the user to allow to adjust the size.

Selon une version plus évoluée, dans laquelle un tel fit system est mis en oeuvre, on assure la cohésion audit casque et notamment son maintien en configuration déployée à l'aide dudit système.According to a more evolved version, in which such a fit system is implemented, it assures the cohesion of said helmet and in particular its maintenance configuration deployed using said system.

Ainsi, selon une première variante illustrée au sein des figures 13a, 13b et 13c, l'extrémité des pattes latérales (21) émanant dudit fit-system symbolisé par la molette (22) sont chacune munies soit d'un ergot en saillie (23), dirigé vers l'intérieur du casque, et propre à coopérer avec une lumière (24) ménagée à cet effet à la base postérieure de l'élytre considérée (figure 13b), soit d'un clips (25), destiné à coopérer avec un élément complémentaire (26), également positionné au niveau de la base postérieure de ladite élytre (figure 13c).Thus, according to a first variant illustrated within the Figures 13a, 13b and 13c , the end of the lateral lugs (21) emanating from said fit-system symbolized by the wheel (22) are each provided with either a protruding lug (23), directed towards the inside of the helmet, and adapted to cooperate with a light (24) provided for this purpose at the posterior base of the elytron considered ( figure 13b ), or a clip (25), intended to cooperate with a complementary element (26), also positioned at the rear base of said elytrium ( figure 13c ).

Selon une seconde variante illustrée en relation avec les figures 14a et 14b, le fit-system (22) est muni d'un câble (27), dont chacune des extrémités définit une boucle (28), destinée à venir entourer un bouton (29) ménagé à cet effet au niveau de la base postérieure de l'élytre considérée. Ce faisant, la traction sur le câble (27) par le biais de la molette (22) du fit-system induit outre le resserrement de la base du casque, aux fins de permettre le réglage de la taille de ce dernier, également le maintien en position déployée desdites élytres.According to a second variant illustrated in relation to the Figures 14a and 14b , the fit-system (22) is provided with a cable (27), each end of which defines a loop (28) intended to surround a button (29) provided for this purpose at the rear base of the elyter considered. In doing so, the traction on the cable (27) via the wheel (22) of the fit-system induces besides the tightening of the base of the helmet, in order to allow the adjustment of the size of the latter, also the maintenance in the deployed position of said elytra.

Selon une variante encore plus évoluée illustrée sur les figures 15a, 15b et 15c, chacune des élytres (3, 4) est guidée lors de l'étape de coulissement à l'intérieur du cimier (2) au moyen d'un rail (30) ménagé au sein de la paroi interne de l'écaille occipitale (5). Le rail (30) est fendu (31) en zone inférieure, afin de permettre le passage, au travers de la fente (31) ainsi réalisée, de l'extrémité postérieure (32) de l'élytre.According to an even more evolved variant illustrated on the Figures 15a, 15b and 15c each of the elytrons (3, 4) is guided during the sliding step inside the crest (2) by means of a rail (30) formed within the inner wall of the occipital tortoiseshell (5). ). The rail (30) is slit (31) in the lower zone, to allow the passage, through the slot (31) thus formed, the rear end (32) of the elytron.

Cette extrémité (32) est reçue sur une butée (33), orientée sensiblement perpendiculairement au rail (30), et sur laquelle, elle est susceptible de se déplacer outre d'être guidée par la fente (32), afin de pouvoir coopérer avec des moyens de réglage de la taille du casque, et tels que par exemple constitués par une crémaillère (34) ou par des ergots (35) coopérant avec des lumières correspondantes (36), ces moyens étant issus de moulage.This end (32) is received on an abutment (33), oriented substantially perpendicular to the rail (30), and on which it is capable of moving in addition to being guided by the slot (32), in order to cooperate with means for adjusting the size of the helmet, and such as for example constituted by a rack (34) or lugs (35) cooperating with corresponding slots (36), these means being derived from molding.

Selon encore une autre variante, telle qu'illustrée en relation avec les figures 16a, 16b et 16c, lorsque l'élytre (4) est déployée, et afin de conférer au casque sa cohésion, on la munit sur sa face interne d'une rainure en saillie (47), s'étendant sensiblement parallèlement par rapport à son bord inférieur (48), et destinée à coopérer avec une butée (49), elle-même ménagée au niveau de la face interne de l'élément occipital (5). Ainsi, lorsque l'élytre en question est déployée à son maximum, ladite rainure (47) vient s'encliqueter au sein de la butée (49), cette dernière définissant une ouverture prévue à cet effet au moyen d'une dent (49') (voir figure 16c).According to yet another variant, as illustrated in connection with the Figures 16a, 16b and 16c when the elytron (4) is deployed, and in order to give the helmet its cohesion, it is provided on its inner face with a protruding groove (47), extending substantially parallel to its lower edge (48). ), and intended to cooperate with a stop (49), itself formed at the inner face of the occipital element (5). Thus, when the elytrum in question is deployed at its maximum, said groove (47) snaps within the abutment (49), the latter defining an opening provided for this purpose by means of a tooth (49 ' ) (see figure 16c ).

Corollairement, l'élytre est munie sur sa face externe, légèrement au dessus de son bord inférieur, d'une crémaillère (50), notamment issue de moulage. Cette crémaillère (50), lorsque la rainure (47) est encliquetée dans la butée (49), se retrouve à l'aplomb avec une dent (51) de forme et d'orientation correspondantes, intégrée dans un organe type bouton - poussoir (52), actionnable depuis la face extérieur de l'élément occipital (5), et exerçant une pression naturelle en direction de l'intérieur du casque.As a corollary, the elytron is provided on its outer face, slightly above its lower edge, a rack (50), in particular after molding. This rack (50), when the groove (47) is snapped into the abutment (49), is found plumb with a tooth (51) of corresponding shape and orientation, integrated into a pushbutton type organ ( 52), operable from the outer face of the occipital element (5), and exerting natural pressure towards the inside of the helmet.

Ainsi donc, en position originelle, c'est à dire lorsque l'élytre est simplement complètement déployée, ladite dent (51) vient naturellement engrener dans la première denture de la crémaillère. Afin d'assurer le serrage du casque, on induit, en jouant sur la souplesse des matériaux, la progression de la crémaillère au regard de la dent (51), ladite progression étant guidée par la coopération de la rainure (47) avec la butée (49).Thus, in the original position, that is to say when the elytron is simply fully deployed, said tooth (51) comes naturally mesh in the first toothing of the rack. In order to ensure the tightness of the helmet, it induces, by playing on the flexibility of the materials, the progress of the rack with respect to the tooth (51), said progression being guided by the cooperation of the groove (47) with the stop (49).

Parallèlement, la libération de l'élytre hors de l'élément occipital s'effectue par simple pression sur le bouton - poussoir (52), permettant de désengager la dent (51) de la crémaillère (50), et la dent (49') de la butée (49), afin de désengager celle-ci de la rainure (47).In parallel, the release of the elytron out of the occipital element is effected by simply pressing the pushbutton (52), to disengage the tooth (51) of the rack (50), and the tooth (49 ' ) of the stop (49) to disengage it from the groove (47).

Ainsi qu'on peut bien l'observer sur la figure 16c, le bouton-poussoir (52) muni de la dent (51) est encliqueté dans un logement prévu à cet effet au sein de la surface externe de l'élément occipital (5), et fixé à ce niveau par simple coopération d'un ergot (53) avec un orifice (54) prévu à cet effet.As one can well observe on the figure 16c , the push-button (52) provided with the tooth (51) is snapped into a housing provided for this purpose within the outer surface of the occipital element (5), and fixed at this level by simple cooperation of a pin (53) with a hole (54) provided for this purpose.

Selon une version encore plus évoluée que la précédente, on peut remplacer le bouton-poussoir (52) par une crémaillère à cliquet, mieux connue sous l'expression anglo-saxonne « ratchet », permettant d'assurer un serrage plus puissant du casque sur la tête de l'utilisateur.According to an even more advanced version than the previous one, it is possible to replace the push-button (52) with a ratchet rack, better known by the English expression " ratchet ", making it possible to tighten the helmet more effectively. the user's head.

Il peut être observé que la butée (49) remplit une double fonction :

  • ■ celle de limite de déploiement de l'élytre, éventuellement en coopération avec les organes (42, 44, 46) (voir figure 12 et développements y relatifs infra) ;
  • ■ celle de réglage de la taille du casque, en coopération avec l'élément occipital.
It can be observed that the stop (49) has a dual function:
  • ■ that of elytron deployment limit, possibly in cooperation with the organs (42, 44, 46) (see figure 12 and developments thereunder);
  • ■ that of adjusting the size of the helmet, in cooperation with the occipital element.

Selon une autre caractéristique de l'invention, chacune des écailles constitutives de cette coque, reçoit un ou plusieurs éléments amortisseurs faisant fonction de calotin interne.According to another characteristic of the invention, each of the constituent scales of this shell, receives one or more damping elements acting as inner caps.

Ces éléments du calotin interne sont réalisés en un ou plusieurs matériaux alvéolaires semi-rigides, choisis en fonction de leur capacité d'absorption des chocs en compression, des normes en vigueur dans l'activité considérée, et de leur souplesse, leur permettant de s'adapter le mieux possible à la forme du crâne de l'utilisateur.These elements of the inner cap are made of one or more semi-rigid cellular materials, chosen according to their compressive shock absorption capacity, the standards in force in the activity in question, and their flexibility, allowing them to adapt as best as possible to the shape of the user's skull.

Ainsi, ce matériau est généralement constitué d'une mousse de polymère, telle que les polypropylènes, les polystyrènes, ou le polyuréthanne expansés.Thus, this material is generally made of a polymer foam, such as expanded polypropylenes, polystyrenes, or polyurethane.

Ces éléments présentent une épaisseur typique comprise entre 10 et 35 mm, pour une densité comprise entre 60 g/l et 100 g/l.These elements have a typical thickness of between 10 and 35 mm, for a density of between 60 g / l and 100 g / l.

Les propriétés d'amortissement de la mousse polypropylène se doublent d'un effet mémoire, permettant auxdits éléments de reprendre leur forme initiale après déformation résultant d'un choc de faible niveau d'énergie. Cela confère ainsi des caractéristiques de résistance et de longévité du casque améliorées.The damping properties of the polypropylene foam are coupled with a memory effect, allowing said elements to return to their original shape after deformation resulting from a shock of low energy level. This thus provides improved durability and durability characteristics of the helmet.

Ainsi, le cimier (2) reçoit un élément amortisseur (8) réalisé au moyen de l'un des matériaux précités. Cet élément (8) est solidarisé par collage fond de la face interne du cimier (2) limitativement au niveau de sa zone centrale.Thus, the crest (2) receives a damping element (8) produced by means of one of the abovementioned materials. This element (8) is secured by bonding bottom of the internal face of the crest (2) limitatively at its central zone.

Selon une première configuration, plus particulièrement représentée en relation avec les figures 2, 3, 5, 6 et 7, cet élément (8) présente la particularité de ménager au niveau de ces deux extensions latérales, c'est-à-dire de part et d'autre de la zone centrale sensiblement rectiligne, des échancrures (13), sensiblement parallèles les unes par rapport aux autres, et s'étendant en direction de la base du casque lorsque celui-ci est en configuration opérationnelle.According to a first configuration, more particularly represented in relation to the Figures 2, 3 , 5 , 6 and 7 this element (8) has the particularity of providing at these two lateral extensions, that is to say on either side of the substantially rectilinear central zone, notches (13), substantially parallel to each other, compared to others, and extending towards the base of the helmet when it is in operational configuration.

Ces échancrures ne sont pas traversantes, ainsi qu'on peut l'observer sur les figures 3 et 6. L'évidement définissant lesdites échancrures s'étend en effet depuis une zone amincie (14), destinée à venir en contact avec le crâne de l'utilisateur, en direction de l'extérieur.These indentations are not traversing, as can be seen on the figures 3 and 6 . The recess defining said indentations indeed extends from a thinned area (14), intended to come into contact with the skull of the user, towards the outside.

Au surplus, l'élément amortisseur interne (8) n'est solidarisé au cimier qu'au niveau des extrémités antérieure et postérieure, de telle sorte à définir avec le cimier un espace libre propre à recevoir, ainsi que décrit ci-après, les deux élytres (3) et (4).In addition, the internal damping element (8) is secured to the crest only at the anterior and posterior ends, so as to define with the crest a free space adapted to receive, as described below, the two elytra (3) and (4).

Corollairement, l'élément interne déformable respectivement (9) et (10), associé à chacune des élytres (3) et (4) se compose, dans cette configuration, tout d'abord d'une partie sensiblement linéaire, solidarisée à la base interne de l'élytre considérée, de laquelle s'étendent en direction du haut cette fois, une pluralité de saillies (16), en nombre et en forme complémentaires des échancrures (13) ménagées au sein de l'élément interne amortisseur (8) associé au cimier (2).As a corollary, the deformable inner element respectively (9) and (10), associated with each of the elytrons (3) and (4), is composed, in this configuration, first of a substantially linear portion, secured to the base internal of the elytron considered, which extend in the direction of the top this time, a plurality of projections (16), in number and shape complementary to the indentations (13) formed within the damping internal element (8). associated with the crest (2).

Ces caractéristiques particulières sont bien visibles au niveau des figures 6 et 7.These particular characteristics are clearly visible at the level of Figures 6 and 7 .

Ce faisant, lorsque l'élytre (3) ou (4) pivote par rapport au point de rotation (6), ou lorsque ladite élytre se translate simplement (alors en l'absence de point de rotation), l'élytre proprement dite est susceptible de pouvoir pénétrer dans l'espace défini entre l'élément amortisseur (8) associé au cimier (2) et ce dernier, ce déplacement relatif n'étant pas empêché par la présence des éléments amortisseurs respectifs (9, 10) des élytres (3, 4), dans la mesure où les saillies (16) de ces derniers viennent coulisser dans les échancrures (13).In doing so, when the elytron (3) or (4) pivots relative to the point of rotation (6), or when said elytron is simply translated (then in the absence of a rotation point), the elytron itself is capable of being able to penetrate into the space defined between the damping element (8) associated with the crest (2) and the latter, this relative displacement being not prevented by the presence of the respective damping elements (9, 10) of the elytra ( 3, 4), insofar as the projections (16) thereof slide in the notches (13).

En position opérationnelle (voir notamment la figure 6), on observe que les discontinuités des éléments amortisseurs (9, 10) associés aux élytres (3, 4) n'affectent pas le caractère amortisseur du calotin ainsi défini.In operational position (see in particular the figure 6 ), it is observed that the discontinuities of the damping elements (9, 10) associated with elytra (3, 4) do not affect the damping character of the thus defined calotte.

En effet, sans disposer certes d'une continuité absolue de ces éléments de calotin interne, la surface desdits éléments susceptible de venir au contact avec le crâne de l'utilisateur demeure importante, et en tout cas suffisante pour permettre au calotin résultant de la mise en oeuvre des différents éléments amortisseurs de remplir sa fonction d'amortissement, et corollairement de protection.Indeed, without certainly having an absolute continuity of these elements of inner cap, the surface of said elements may come into contact with the skull of the user remains important, and in any case sufficient to allow the cape resulting from the implementation different damping elements to fulfill its function of damping, and corollary protection.

Selon une autre configuration de l'invention représentée au sein de la figure 8a, et constituant une variante de la précédente, l'élément amortisseur (8) associé au cimier (2) ne présente plus d'échancrures (13), mais libère un volume libre sensiblement uniforme et continu entre la base (14) et le cimier (2), au sein duquel est susceptible de coulisser l'élément amortisseur (9, 10) des élytres (3, 4), qui également, sont continus (donc exempts de saillies). Le profil desdites éléments (9, 10) est sensiblement complémentaire dudit volume libre. Cette configuration particulière peut être recherchée pour des degrés de protection supérieurs à celui obtenu au moyen de la configuration précédente.According to another configuration of the invention represented within the figure 8a , and constituting a variant of the preceding one, the damping element (8) associated with the crest (2) no longer has indentations (13), but releases a substantially uniform and continuous free space between the base (14) and the crest (2), within which is slidable the damping element (9, 10) elytra (3, 4), which are also continuous (thus free of projections). The profile of said elements (9, 10) is substantially complementary to said free volume. This particular configuration can be sought for higher degrees of protection than that obtained with the previous configuration.

Selon une autre configuration de l'invention plus particulièrement schématisée sur la figure 8b, les éléments amortisseurs (9, 10) associés aux élytres (3, 4) se présentent différemment. Tout d'abord, ils ne sont pas solidarisés aux élytres en question, en tout cas de manière irréversible. Par exemple, les éléments amortisseurs (9, 10) sont fixés aux élytres, lorsque celles-ci sont en position déployée, au moyen d'un système boucles / crochets du type bande auto agrippante. Ensuite, les éléments amortisseurs (9, 10) sont chacun articulés sur l'élément amortisseur (8) associé au cimier (2) au niveau d'un axe d'articulation (38) ménagé au voisinage du bord libre (37) dudit élément (8).According to another configuration of the invention more particularly schematized on the figure 8b the damping elements (9, 10) associated with the elytra (3, 4) are different. First, they are not attached to the elytra in question, in any case irreversibly. For example, the damping elements (9, 10) are attached to the elytra, when they are in the deployed position, by means of a system of loops / hooks type self gripping band. Then, the damping elements (9, 10) are each articulated on the damping element (8) associated with the crest (2) at a hinge axis (38) formed in the vicinity of the free edge (37) of said element (8).

Ainsi, lorsque l'on souhaite procéder au repliage du casque, il suffit de désolidariser les éléments amortisseurs (9, 10) des élytres respectives (3, 4), par simple traction, libérant ainsi lesdites élytres et autorisant leur coulissement dans l'espace défini entre le cimier (2) et l'élément amortisseur (8) qui lui est associé. Corollairement, les éléments amortisseurs (9, 10) sont rabattus à l'intérieur du casque, par simple rotation autour de l'axe d'articulation (38) sur l'élément amortisseur (8) du cimier.Thus, when it is desired to fold the helmet, it is sufficient to separate the damping elements (9, 10) elytra respective (3, 4) by simple traction, thus releasing said elytra and allowing their sliding in space defined between the crest (2) and the damper element (8) associated therewith. As a corollary, the damping elements (9, 10) are folded inside the helmet, by simple rotation about the hinge axis (38) on the damper element (8) of the crest.

Selon une autre configuration du même ordre plus particulièrement illustrée sur la figure 8c, les éléments amortisseurs (9, 10) associés à chacune des élytres (3, 4) sont également fixés de manière réversible à la paroi interne desdites élytres en position déployée, là encore par exemple au moyen d'un système boucles / crochets du type bande auto agrippante Mais au surplus, le bord inférieur (39) desdits éléments amortisseurs (9, 10) est solidarisé au bord inférieur (40) de l'élytre considérée au moyen d'une charnière souple (41).According to another configuration of the same order more particularly illustrated on the figure 8c , the damping elements (9, 10) associated with each of the elytrons (3, 4) are also reversibly fixed to the inner wall of said elytra in the extended position, again for example by means of a system loops / hooks of the type Moreover, the lower edge (39) of said damping elements (9, 10) is secured to the lower edge (40) of the elytron considered by means of a flexible hinge (41).

Ce faisant, lorsque l'on souhaite procéder au repliage du casque, on désolidarise les éléments amortisseurs (9, 10) des élytres correspondantes (3, 4), permettant tout d'abord le coulissement des élytres dans l'espace défini entre le cimier (2) et l'élément amortisseur (8) qui lui est associé. Simultanément, en raison de la présence de la charnière souple (41), ce coulissement induit le déplacement des éléments amortisseurs (9, 10) qui leur sont respectivement associés sensiblement parallèlement à l'élément amortisseur (8) du cimier (2).In doing so, when it is desired to fold the helmet, the damping elements (9, 10) are disconnected from the corresponding elytrons (3, 4), firstly allowing the elytra to slide in the space defined between the crest. (2) and the damper element (8) associated therewith. Simultaneously, due to the presence of the flexible hinge (41), this sliding induces the displacement of the damping elements (9, 10) which are associated respectively substantially parallel to the damper element (8) of the crest (2).

De manière avantageuse, l'écaille occipitale (5) peut également être munie d'un élément interne amortisseur (11). Celui-ci remplit autant une fonction de confort qu'une fonction d'amortissement.Advantageously, the occipital flake (5) may also be provided with an internal damping element (11). It performs as much a comfort function as a damping function.

Le casque conforme à l'invention peut en outre comporter des moyens de limitation du mouvement de déploiement des élytres. Ces moyens peuvent être par exemple constitués de butées (42) issues de moulage, ménagées au voisinage du bord supérieur (43) de chacune des élytres (3, 4) et formant saillie par rapport à leur surface externe. Ces butées sont destinées à être reçues dans un aménagement linéaire (44), prévu à cet effet au sein de la surface interne du cimier (2), susceptible ainsi de faire fonction de guidage lors de l'opération de coulissement des élytres.The helmet according to the invention may further comprise means for limiting the deployment movement of the elytra. These means may for example consist of abutments (42) resulting from molding, formed in the vicinity of the upper edge (43) of each elytra (3, 4) and projecting relative to their outer surface. These stops are intended to be received in a linear arrangement (44), provided for this purpose within the inner surface of the crest (2), thus capable of acting as a guide during the sliding operation elytra.

L'extrémité desdits aménagements linéaires (44) voisine du bord inférieur (45) du cimier (2) définit un logement (46) plus important, correspondant sensiblement à celui de la butée (42). Ce faisant, lorsque cette dernière atteint ledit volume (46), elle se trouve bloquée à ce niveau, limitant de fait le déploiement de l'élytre considérée.The end of said linear arrangements (44) adjacent the lower edge (45) of the crest (2) defines a housing (46) larger, corresponding substantially to that of the stop (42). In doing so, when the latter reaches said volume (46), it is blocked at this level, effectively limiting the deployment of the elytron considered.

Ce déploiement peut également être limité par la mise en oeuvre de la butée (49), coopérant alors avec la rainure en saillie (47), ménagée au niveau de la face interne de chacune des élytres (3, 4) (Cf. supra et figures 16a, 16b, 16c)).This deployment can also be limited by the implementation of the abutment (49), then cooperating with the protruding groove (47) formed at the inner face of each elytra (3, 4) (see above and Figures 16a, 16b, 16c )).

Selon l'invention, le casque ainsi défini est également muni de sangles d'attache, plus particulièrement décrites en relation avec les figures 17 à 19, permettant sa solidarisation réversible à la tête de l'utilisateur.According to the invention, the helmet thus defined is also provided with tether straps, more particularly described in connection with the Figures 17 to 19 , allowing its reversible attachment to the head of the user.

Dans sa version la plus simple, illustrée par la figure 17, les sangles antérieures (55) sont fixées sur le cimier (2), au moyen d'une boucle (56) venant entourer un organe (57) prévu à cet effet, lesdites sangles traversant le calotin correspondant (8) et ledit cimier (2) au niveau de fentes, respectivement (58) et (59) ménagées à cet effet.In its simplest version, illustrated by the figure 17 , the anterior straps (55) are fixed on the crest (2), by means of a loop (56) surrounding a member (57) provided for this purpose, said straps passing through the corresponding cap (8) and said crest ( 2) at the slots, respectively (58) and (59) provided for this purpose.

Dans une version plus évoluée, plus particulièrement décrite en relation avec les figures 18a et 18b, chacune des boucles (56) des deux sangles antérieures (55) vient s'enrouler autour d'un organe (57'), également positionné sur la face extérieure du cimier (2). Cependant, ledit cimier comporte dans cette configuration deux organes (57'), positionnés davantage latéralement sur celui-ci, et non plus en position relativement centrée, comme dans le cas précédent.In a more advanced version, more particularly described in relation to the Figures 18a and 18b , each of the loops (56) of the two front straps (55) is wound around a member (57 '), also positioned on the outer face of the crest (2). However, said crest comprises in this configuration two members (57 '), positioned more laterally on the latter, and no longer in a relatively centered position, as in the previous case.

En outre, à l'aplomb de chacun de ces organes (57') est ménagée une fente (60) dans le cimier, et (61) dans le calotin correspondant. Ainsi, lorsque les élytres sont repliées en direction de l'intérieur du casque, elles entraînent la pliure des sangles antérieures (55) (Cf figure 18b), induisant leur raccourcissement. Ce faisant, on évite ainsi que lesdites sangles pendent de manière excessive, lorsque le casque n'est pas utilisé. Au surplus, on évite un usage inapproprié du casque, c'est à dire avec les élytres non déployées, qui réduirait le caractère protecteur du casque. On conçoit en effet, qu'afin de permettre le bouclage des sangles de fixation, leur traction induit nécessairement le déploiement des élytres, les fentes (60, 61) étant positionnées de telle sorte que la traction des sangles nécessaires à leur bouclage engendre le déploiement des élytres selon leur course maximale.In addition, above each of these bodies (57 ') is formed a slot (60) in the crest, and (61) in the corresponding cap. Thus, when the elytra are folded towards the inside of the helmet, they cause the folding of the anterior straps (55) (Cf. figure 18b ), inducing their shortening. In doing so, it avoids that said straps hang excessively, when the helmet is not used. In addition, it avoids inappropriate use of the helmet, that is to say with elytra not deployed, which would reduce the protective nature of the helmet. In fact, in order to allow fastening of the fastening straps, their traction necessarily induces the deployment of the elytra, the slots (60, 61) being positioned in such a way that the pulling of the straps necessary for their fastening causes the deployment. elytra according to their maximum stroke.

Selon une autre variante, s'inspirant du même principe, et décrite en relation avec les figures 19a, 19b et 19c, on enroule la boucle (56) de chacune des sangles antérieures (55) au niveau d'un organe (62) ménagé au niveau du bord supérieur (43) des élytres. Un bossage (63) est ménagé au sein du cimier, afin de permettre le repliement de l'élytre muni de cet organe entre le calotin (8) et le cimier (2).According to another variant, inspired by the same principle, and described in relation to the Figures 19a, 19b and 19c , the loop (56) of each of the anterior straps (55) is wound at a member (62) formed at the upper edge (43) of elytra. A boss (63) is formed in the crest, to allow the folding of the elyter provided with this member between the cap (8) and the crest (2).

Ce faisant, là encore, dès lors que les élytres sont repliées, elles induisent le raccourcissement des sangles antérieures (55), avec les mêmes conséquences que celles précédemment énoncées en relation avec la version décrite ci-avant.In doing so, again, when the elytra are folded, they induce the shortening of the anterior straps (55), with the same consequences as those previously stated in relation to the version described above.

Lorsque l'on souhaite réduire les dimensions du casque, c'est à dire hors périodes d'utilisation, on procède tout d'abord au coulissement des deux élytres (3, 4) à l'intérieur de l'espace défini entre l'élément amortisseur (8) et le cimier (2), par rotation desdites élytres par rapport à leur point d'articulation respectif (6), voire par guidage dans le rail (30), puis l'on rabat l'écaille occipitale à l'intérieur du cimier, par rotation de cette dernière.When it is desired to reduce the dimensions of the helmet, that is to say out of periods of use, firstly the two elytra (3, 4) are slid within the space defined between the damping element (8) and the crest (2), by rotation of said elytra with respect to their respective articulation point (6), or even by guiding in the rail (30), then the occipital flake is folded down to the inside the crest, by rotation of the crest.

On obtient alors un encombrement particulièrement réduit (voir figures 4 et 5), tout particulièrement adapté pour permettre le rangement dudit casque dans un sac léger, dont sont fréquemment munis les pratiquants des sports en question, ou les cyclistes utilisant leur vélo comme moyen de transport, notamment urbain.We thus obtain a particularly small bulk (see Figures 4 and 5 ), particularly adapted to allow the storage of said helmet in a lightweight bag, which are often provided sports practitioners in question, or cyclists using their bike as a means of transport, including urban.

On conçoit de fait tout l'intérêt de l'invention d'une part, en raison de la compacité obtenue du casque en configuration non opérationnelle, donc repliée, outre de son poids particulièrement réduit, et d'autre part, en raison de sa facilité de transformation entre les deux configurations possibles dudit casque.It is conceivable in fact all the advantages of the invention on the one hand, because of the compactness obtained helmet in non-operational configuration, so folded, in addition to its particularly reduced weight, and secondly, because of its ease of transformation between the two possible configurations of said headset.

Au demeurant, un tel casque assure les fonctions traditionnelles qui lui sont dévolues de protection et d'amortissement en cas de chocs.Moreover, such a helmet provides the traditional functions that are devolving protection and depreciation in case of shocks.

Claims (22)

  1. A protective helmet comprising a rigid or semi-rigid external shell (1) consisting of a plurality of rigid or semi-rigid flaps (2-5) joined together and a compressively deformable internal liner acting as a shock absorber, itself consisting of several elements (8-11) associated with said flaps, including at least one central element (8) and one or more peripheral elements (9-11),
    characterised:
    ■ in that at least some of the flaps that constitute the external shell are capable of moving relative to each other at the level of their respective means of connection,
    ■ and in that only the peripheral elements (9-11) that constitute the internal liner associated with the corresponding flaps are designed so that they retract inside the volume defined by the helmet and by said central element (8) during relative displacement of the corresponding flaps.
  2. A protective helmet as claimed in claim 1, characterised in that the rigid or semi-rigid external shell (1) comprises an upper flap defining a crown (2) and two lateral flaps or elytra (3, 4) that are articulated (6) on the crown (2).
  3. A protective helmet as claimed in claim 2, characterised in that the elytra (3, 4) are each articulated in the anterior or posterior area of crown (2) relative to an articulation point (6).
  4. A protective helmet as claimed in claim 1, characterised in that the rigid or semi-rigid external shell (1) comprises an upper flap defining a crown (2) and two lateral flaps or elytra (3, 4) that are capable of sliding towards the bottom of the crown by making a simple translational movement.
  5. A protective helmet as claimed in either claim 3 or 4, characterised in that the shock absorbing element (8) associated with crown (2) defines, together with the latter, an empty space within which the elytra (3, 4) are capable of sliding by rotating around their respective point (6) where they articulated on the crown (2) or by making a simple translational movement towards the crown (2).
  6. A protective helmet as claimed in claims 2 to 5, characterised in that the shock absorbing element (8) associated with crown (2) has lateral extensions pointing towards the base of the helmet and defining, at the level of said extensions, a plurality of notches (13) oriented substantially parallel to each other into which protrusions (16) of matching shape and corresponding number constituting part of shock absorbing element (9, 10) associated with each elytron (3, 4) are capable of sliding or engaging.
  7. A protective helmet as claimed in any of claims 2 or 5, characterised in that the shock absorbing element (8) associated with crown (2) defines a substantially uniform and continuous empty space between its base (14), intended to come into contact with the user's cranium and said crown (2), the shock absorbing element (9, 10) associated with each elytron (3, 4) and having a continuous section that matches said space being capable of sliding into this space.
  8. A protective helmet as claimed in any of claims 2 to 5, characterised in that the shock absorbing elements (9, 10) associated with elytra (3, 4) are not irreversibly attached to the latter and in that they are each articulated on the shock absorbing element (8) associated with crown (2) on a hinge pin (38) in the vicinity of the free edge (37) of said element (8) so that they can be folded up inside the helmet when elytra (3, 4) slide into the space defined by crown (2) and shock absorbing element (8) associated with it.
  9. A protective helmet as claimed in any of claims 2 to 5, characterised in that the shock absorbing elements (9, 10) associated with elytra (3, 4) are not irreversibly attached to the latter and in that their lower edge (39) is connected to the lower edge (40) of the corresponding elytron by means of a flexible hinge (41) so that they slide simultaneously into shock absorbing element (8) of crown (2) when the corresponding elytron slides into the space defined by crown (2) and shock absorbing element (8) associated with it.
  10. A protective helmet as claimed in any of claims 2 to 9, characterised in that it comprises, on its external shell, a posterior or occipital flap (5) that is articulated directly or indirectly on crown (2) and can be folded up inside the latter, said flap (5) possibly comprising a shock absorbing element (11) capable of both providing comfort and absorbing shocks.
  11. A protective helmet as claimed in any of claims 2 to 9, characterised in that it comprises, on its external shell, a posterior or occipital flap (5) capable of sliding into the space defined by crown (2) and shock absorbing element (8) associated with it.
  12. A protective helmet as claimed in any of claims 2 to 11, characterised in that it comprises means of limiting the movement of deploying elytra (3, 4) consisting of limit stops (42) in the vicinity of the upper edge (43) of each of the elytra (3, 4) forming a protrusion relative to their external surface, each of said limit stops being intended to cooperate with a linear feature (44) provided for this purpose on the internal surface of crown (2), that is thus capable of acting as a guide during sliding of the elytra, the end of said linear features (44) in the vicinity of the lower edge (45) of crown (2) defining a receptacle (46) that substantially matches that of limit stop (42).
  13. A protective helmet as claimed in either claim 10 or 11, characterised in that it comprises means of limiting the deploying movement of elytra (3, 4) consisting of:
    ■ a limit stop (49) on the internal surface of occipital flap (5);
    ■ a protruding groove (47) on the internal surface of each of the elytra (3, 4) which extends substantially parallel relative to their lower edge (48) and is intended to cooperate with said limit stop (49).
  14. A protective helmet as claimed in either claim 10 or 13, characterised in that it is fitted with a means of adjusting its size consisting of a fit system (22) separately mounted on the internal or external surface of the occipital flap (5) and making this adjustment by influencing the flexibility of the external shell and the occipital flap's (5) ability to rotate.
  15. A protective helmet as claimed in claim 14, characterised in that the end of the lateral tabs (21) with which the fit system is equipped are each fitted with either a protruding stud (23) that points towards the inside of the helmet and is capable of cooperating with a slot (24) made for this purpose on the posterior base of the elytron in question (3, 4) or a clip (25) intended to cooperate with a matching element (26), also located on the posterior base of said elytron (3, 4).
  16. A protective helmet as claimed in claim 14, characterised in that the fit system (22) is equipped with a cord (27), each end of which has a loop (28) intended to encompass a knob (29) provided for this purpose on the posterior base of the elytron (3, 4) and pulling of which causes, besides tightening of the base of the helmet in order to allow adjustment of the size of the latter, said elytra to be maintained in their deployed position.
  17. A protective helmet as claimed in claim 14, characterised in that the fit system (22) consists of a pushbutton (52) mounted on the external surface of occipital flap (5) and equipped with a prong (51) intended to cooperate with a rack (50) on the external surface of elytra (3, 4), said rack being maintained by the action of prong (51) of pushbutton (52) due to guidance resulting from the cooperation of groove (47) with limit stop (49).
  18. A protective helmet as claimed in any of claims 9 to 12, characterised in that each of the elytra (3, 4) is guided during the process of sliding inside crown (2) by means of a rail (30) made on the internal wall of the occipital flap (5).
  19. A protective helmet as claimed in claim 18, characterised in that the lower area of the rail (30) is split (31) in order to allow movement through slit (31) of the posterior end (32) of the elytron, said end (32) being capable of moving and being guided by said slit in order to cooperate with means of adjusting the size of the helmet.
  20. A protective helmet as claimed in any of claims 2 to 19, characterised in that it is equipped with straps to attach it to the user's head, the anterior straps (55) being fastened to the crown (2) by means of a loop (56) which wraps round a device (57) provided for this purpose, said straps passing through the corresponding liner (8) and said crown (2) via slits (58) and (59) respectively made for this purpose.
  21. A protective helmet as claimed in claim 20, characterised in that each of the loops (56) of anterior straps (55) wraps round a device (57') located laterally on the latter and vertically above which there is a slit (60) in the crown and a slit (61) in the corresponding liner.
  22. A protective helmet as claimed in any of claims 2 to 19, characterised in that it is equipped with straps to attach it to the user's head, the anterior straps (55) being fastened to lateral flaps (3, 4) by means of a loop (56) which wraps around a device (62) on the upper edge (43) of said lateral flaps (3, 4) and in that crown (2) comprises bumps (63) in order to allow folding of the flap in question between liner (8) and crown (2).
EP06842112A 2005-12-15 2006-12-07 Foldable protective helmet Not-in-force EP1959774B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0553883A FR2894784B1 (en) 2005-12-15 2005-12-15 FOLDING PROTECTIVE HELMET
PCT/FR2006/051301 WO2007068846A1 (en) 2005-12-15 2006-12-07 Foldable protective helmet

Publications (2)

Publication Number Publication Date
EP1959774A1 EP1959774A1 (en) 2008-08-27
EP1959774B1 true EP1959774B1 (en) 2009-08-26

Family

ID=36809682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06842112A Not-in-force EP1959774B1 (en) 2005-12-15 2006-12-07 Foldable protective helmet

Country Status (9)

Country Link
US (1) US7958572B2 (en)
EP (1) EP1959774B1 (en)
JP (1) JP5143745B2 (en)
CN (1) CN101330846B (en)
AT (1) ATE440515T1 (en)
DE (1) DE602006008821D1 (en)
ES (1) ES2331381T3 (en)
FR (1) FR2894784B1 (en)
WO (1) WO2007068846A1 (en)

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Also Published As

Publication number Publication date
ATE440515T1 (en) 2009-09-15
FR2894784B1 (en) 2008-07-18
US20090222976A1 (en) 2009-09-10
CN101330846B (en) 2012-06-13
JP5143745B2 (en) 2013-02-13
WO2007068846A1 (en) 2007-06-21
EP1959774A1 (en) 2008-08-27
US7958572B2 (en) 2011-06-14
FR2894784A1 (en) 2007-06-22
ES2331381T3 (en) 2009-12-30
DE602006008821D1 (en) 2009-10-08
JP2009519381A (en) 2009-05-14
CN101330846A (en) 2008-12-24

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