EP1536709A2 - Protective helmet comprising articulated front shell and rear shell - Google Patents

Protective helmet comprising articulated front shell and rear shell

Info

Publication number
EP1536709A2
EP1536709A2 EP03773824A EP03773824A EP1536709A2 EP 1536709 A2 EP1536709 A2 EP 1536709A2 EP 03773824 A EP03773824 A EP 03773824A EP 03773824 A EP03773824 A EP 03773824A EP 1536709 A2 EP1536709 A2 EP 1536709A2
Authority
EP
European Patent Office
Prior art keywords
helmet
shell
rear shell
articulated
helmet according
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP03773824A
Other languages
German (de)
French (fr)
Other versions
EP1536709B1 (en
Inventor
Claude Office Mediterranéen Brevets MORIN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roof International SAS
Original Assignee
CBM Distribution EURL
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CBM Distribution EURL filed Critical CBM Distribution EURL
Publication of EP1536709A2 publication Critical patent/EP1536709A2/en
Application granted granted Critical
Publication of EP1536709B1 publication Critical patent/EP1536709B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • A42B3/328—Collapsible helmets; Helmets made of separable parts ; Helmets with movable parts, e.g. adjustable with means to facilitate removal, e.g. after an accident
    • A—HUMAN NECESSITIES
    • A42—HEADWEAR
    • A42B—HATS; HEAD COVERINGS
    • A42B3/00—Helmets; Helmet covers ; Other protective head coverings
    • A42B3/04—Parts, details or accessories of helmets
    • A42B3/28—Ventilating arrangements

Definitions

  • the present invention relates to a protective helmet comprising a front shell and an articulated rear shell.
  • the articulation of the two shells makes it possible to define an open position and a closed position of the helmet.
  • This helmet will find its application particularly, although it is not limiting, for the realization of helmets for motorcyclists.
  • the helmet If we want the helmet to meet the criteria of holding on the head, comfort and silence, it must be provided in its internal lower part with large, flexible cushions making it very difficult to secure, wearing glasses prohibited during this operation.
  • the chin strap In addition, in the event of an accident, the chin strap must be cut off and the helmet removed from the head, which is very difficult and can cause increased stress in the spine which can be affected during the accident. . The slowness of operations also often delays the application of an oxygen mask.
  • helmets which consist of several shell parts articulated by a pivot.
  • helmets described in patent application FR-A-2-546-
  • the 381 includes an articulated front part and a rear part.
  • the front part has a rigid chin strap and the rear part is movable between an open position in which it releases a sufficient opening to allow the front passage of the head of a user and a closed position in which it delimits with the rear edge of said chin strap a passage just sufficient for the user's neck.
  • the object of the invention is to remedy the drawbacks of protective helmets known hitherto.
  • a first advantage of the invention is to make it very easy and comfortable to put on and take off the helmet, even for a spectacle wearer.
  • the handling is simplified due to the fact that the mechanism causes a servo guiding the entire movement.
  • the mechanism causes a servo guiding the entire movement.
  • the helmet Given the configuration of the helmet, it is possible to perfectly adapt its internal walls in contact with the head of the user to improve comfort and position retention. In particular, the part of the head located at the level of the chin is perfectly maintained. From a security point of view, the helmet according to the invention also has the advantage, in a preferred embodiment, of making it impossible to use if it is not locked.
  • the helmet offered here offers great speed and simplicity of removal, without having to move the injured person who can lie on his back.
  • the helmet proposed here has suitable means for quick disassembly.
  • the closing operation makes it possible to tighten the base of the helmet at the level of the neck.
  • air intake and noise are limited.
  • ventilation means are further provided, particularly at the junction between the two front and rear shell parts.
  • the present invention relates to a protective helmet comprising a front shell and a rear shell articulated to be movable between an open position and a closed position.
  • the articulation of the two shells comprises at least one link pivotally mounted between the two shells.
  • this helmet is such that:
  • the side panels are articulated by pivot on the rear shell, It has two levers, each articulated between the side wall of the front shell and a side panel, each lever being capable of be folded down or deployed respectively to close or open the helmet,
  • each side panel and the corresponding lever is removable, for an emergency opening, - It comprises locking means between each side panel and the side wall of the corresponding front shell,
  • the locking means are located at the front end of the side panels,
  • the locking means are removable for emergency opening,
  • a connecting body mounted integrally with locking means on the lateral panel and on which the articulation is formed between the lateral panel and the corresponding lever, - It comprises means for ventilating the internal volume the helmet located at the junction between the two shells,
  • the ventilation means present:
  • Figure 1 is a perspective view of an embodiment of the invention.
  • Figure 2 is a side view of a helmet according to the invention, and Figure 3 is a sectional view, in the closed position.
  • Figure 4 is a side view in the open position, and
  • Figure 5 is a sectional view.
  • Figure 6 illustrates a more advanced opening phase and Figure 8 is a sectional view.
  • Figure 7 shows a detail of articulation of the invention.
  • Fig. 7 bis is another embodiment.
  • Figures 9 to 12 illustrate a possibility of removing the helmet, in particular in an emergency, if the user is injured and lying on the ground.
  • the helmet of the invention comprises a front shell 1 and a rear shell 2, able to substantially cover the head of the user.
  • a visor 3 is advantageously provided in the front part.
  • the articulation between the front shell 1 and the rear shell 2 comprises at least one connecting rod 6 pivotally mounted on each of the two shells 1, 2, by means of pivot connections identified 12 and 13.
  • Figure 2 shows a closed position in which the rear shell 2 is applied to the front shell 1.
  • Figure 6 shows a situation of complete opening of the helmet, where it is clearly seen that the rear shell 2 is largely retracted so as to provide sufficient opening for the passage of the head. To reach this position, an intermediate position is shown in Figure 4.
  • the helmet comprises two lateral panels 4a, 4b, articulated on either side of the rear shell 2 in particular by an articulation 11a,
  • the side panels 4a, 4b are separated from the application surfaces 8a, 8b, of the front shell 1, and allow the combined movement of recoil and rotation of the rear shell 2.
  • levers 7a, 7b articulated on the one hand to the side wall of the front shell 1, for example by a pivot link 9a, 9b, and on the other leaves at a side panel 4a, 4b at a joint 10a, 10b.
  • the lever 7a, 7b is adapted to be folded down on the application surface 8a, 8b in the closed position of the helmet, while in open position it is deployed until it gradually tilts towards the rear of the helmet in Figures 5 and 8.
  • FIG. 7 shows an example purely indicative of a possibility of forming the connection between each lever 7a, 7b and the corresponding side panel 4a, 4b.
  • two freedom of movement in rotation along axes 17, 18 perpendicular are preserved in order to form the joint 10a.
  • the joint 10a here has a double freedom of movement (two rotations).
  • the freedoms of movement are achieved in a very distinct manner without this being limiting by means of hinge systems.
  • the fixing of the lever 7a on the side panel 4a is further preserved by means of a screw 20.
  • Figure 7a illustrates another possibility of making the connection between each lever 7a, 7b and the corresponding side panel.
  • the articulation 10a, 10b is here formed on a connecting body secured to the side panel 4a, 4b.
  • the mounting of the connecting body on the side panel 4a, 4b is ensured by means common to the locking means 5a, 5b which will be explained below in more detail.
  • a screw 20 secures both the locking means 5a, 5b and the connecting bodies 21.
  • locking means 5a, 5b are present on the side walls to removably secure the front shell 1 and the movable part formed here of the rear shell 2 and side panels 4a assembly, 4b. More particularly, the locking means 5a, 5b may be formed at the front end of the side panels 4a, 4b, for example in the form of mechanical press button systems.
  • the joints between the different parts which have been mentioned above can be produced in different ways and by any common means. In particular, the joints can be made mechanically by hinged systems or exploit the elastic properties of the materials used to form the link 6 and the levers 7a, 7b, and the side panels 4a, 4b. In addition, greater freedom of movement can be granted than a simple pivot connection at the joints, and in particular, ball joints can be formed.
  • ventilation means are present at the junction 16 between the front shell 1 and the rear shell 2, so as to create communication between the internal volume of the helmet and the ambient air.
  • the formation of a helmet in two shell parts 1, 2 and on this point advantageous since it makes it possible to take advantage of the existing junction 16 to achieve this communication with the internal volume of the helmet, without any other need for drilling the shell .
  • a system exploiting the Venturi effect is implemented for ventilation.
  • one or more reliefs 14 are formed on the front shell 1, for example according to the case of FIG. 1.
  • recesses 15 are produced on the rear shell at level of said junction 16. An air movement is therefore produced at this level by the application of a vacuum.
  • the rotational movement of the link 6 around the articulation axis 12 will transform the translational movement backwards caused by the levers 7a, 7b into a translation and rotation movement combined upwards of the assembly thus formed by the rear shell 2 and the side panels 4a, 4b, so as to ensure maximum ascent.
  • the helmet is released from the head forward by tilting it around the chin.
  • the front shell 1, the rear shell 2 and the side walls 4a, 4b have a base adapted to be applied on the periphery of the neck of the user to maintain and seal .
  • These four elements therefore participate in combination, in the correct positioning of the helmet and in the comfort of the user.
  • the part of the front shell 1 returning under the chin of the user which here provides most of the retention effect of the helmet, is lined inside a self-forming material of gel type, allowing all users, whatever the morphology of their chin, to make room for their personal shape without the need to intervene to exchange a part.
  • a self-forming material of gel type allowing all users, whatever the morphology of their chin, to make room for their personal shape without the need to intervene to exchange a part.
  • connection between the levers 7a, 7b and the side walls 4a, 4b are designed to be removable from the outside, for example by means of screws 20 as shown in FIG. 7.
  • the tilting of the front shell 1 is possible upwards by eliminating any movement and enslavement effect caused by the levers 7a, 7b in normal use.
  • the front shell 1 rotates freely around the axis 12 and the link 6 continues to produce its effect giving great ease in the deployment of the front shell 1 around the head.
  • FIGS. 10 to 12 a complete release of the face and the head of the user is achieved, the front shell 1 resting on the ground after its opening movement, thus facilitating access to the tracks. respiratory and transport, the helmet remaining naturally on the ground.

Abstract

The invention concerns a protective helmet comprising front (1) and rear (2) shells articulated to be mobile between an opening position and a closing position. The invention is characterized in the articulation of the two shells (1, 2) is such that it comprises at least a hinge link (6) pivotably mounted between the two shells (1, 2). Advantageously, the rear shell (2) is controlled in its opening trajectory by a set of lateral levers, and articulated side surfaces. The invention is particularly applicable to helmets for motorcyclists.

Description

"Casque de protection contenant une coque avant et une coque arrière articulées" "Protective helmet containing an articulated front shell and a rear shell"
La présente invention concerne un casque de protection comprenant une coque avant et une coque arrière articulées.The present invention relates to a protective helmet comprising a front shell and an articulated rear shell.
L'articulation des deux coques permet de définir une position d'ouverture et une position de fermeture du casque.The articulation of the two shells makes it possible to define an open position and a closed position of the helmet.
Ce casque trouvera particulièrement son application, bien que cela ne soit pas limitatif, pour la réalisation de casques pour motocyclistes.This helmet will find its application particularly, although it is not limiting, for the realization of helmets for motorcyclists.
De façon très classique, on revêt un casque de protection en le faisant glisser sur la tête de haut en bas, et on l'assure par un système de sangles et de boucles passant sous le menton.In a very classic way, we wear a protective helmet by sliding it over the head from top to bottom, and we secure it by a system of straps and buckles passing under the chin.
Si l'on veut que le casque corresponde aux critères de tenue sur la tête, de confort et de silence, celui-ci doit être pourvu dans sa partie basse interne de coussins souples largement dimensionnes rendant très difficile son assujettissement, le port des lunettes étant prohibé pendant cette opération.If we want the helmet to meet the criteria of holding on the head, comfort and silence, it must be provided in its internal lower part with large, flexible cushions making it very difficult to secure, wearing glasses prohibited during this operation.
Par ailleurs, lorsque l'on souhaite ôter le casque, cela occasionne des tiraillements importants des oreilles, du nez, et des cheveux. En outre, la mise en place de la jugulaire est fastidieuse, ce qui incite certain utilisateurs peu précautionneux à ne pas la fixer.Furthermore, when one wishes to remove the helmet, this causes significant tightness of the ears, nose, and hair. In addition, the establishment of the chin strap is tedious, which encourages some users not careful to not fix it.
En outre, en cas d'accident, il faut trancher la jugulaire et arracher le casque de la tête, ce qui s'avère fort difficile et peut provoquer un stress accru au niveau de la colonne vertébrale qui peut être touchée lors de l'accident. La lenteur des opérations retarde par ailleurs souvent l'application d'un masque à oxygène.In addition, in the event of an accident, the chin strap must be cut off and the helmet removed from the head, which is very difficult and can cause increased stress in the spine which can be affected during the accident. . The slowness of operations also often delays the application of an oxygen mask.
Pour tenter de pallier ces inconvénients, on a proposé des casques constitués en plusieurs parties de coques articulées par un pivot. En particulier, le casque décrit dans la demande de brevet FR-A-2-546-In an attempt to overcome these drawbacks, helmets have been proposed which consist of several shell parts articulated by a pivot. In particular, the helmet described in patent application FR-A-2-546-
381 comprend une partie antérieure et une partie arrière articulées. La partie antérieure comporte une jugulaire rigide et la partie arrière est mobile entre une position d'ouverture dans laquelle elle dégage une ouverture suffisante pour permettre le passage de face de la tête d'un utilisateur et une position de fermeture dans laquelle elle délimite avec le bord arrière de ladite jugulaire un passage juste suffisant pour le cou de l'utilisateur.381 includes an articulated front part and a rear part. The front part has a rigid chin strap and the rear part is movable between an open position in which it releases a sufficient opening to allow the front passage of the head of a user and a closed position in which it delimits with the rear edge of said chin strap a passage just sufficient for the user's neck.
La technique proposée selon cette antériorité ne donne pas entière satisfaction. En particulier, la manipulation est peu aisée pour ouvrir le casque avant de l'enfiler et nécessite les deux mains de l'utilisateur. En outre, en cas d'accident, un sauveteur souhaitant ôter le casque, notamment pour la mise en place d'un masque à oxygène à l'obligation de soulever la tête, voir une partie du corps pour dégager le secteur articulé, et ouvrir le casque.The technique proposed according to this prior art is not entirely satisfactory. In particular, the handling is not very easy to open the helmet before putting it on and requires both hands of the user. In addition, in the event of an accident, a rescuer wishing to remove the helmet, in particular for the fitting of an oxygen mask, is obliged to lift the head, see a part of the body to clear the articulated sector, and open helmet.
On constate par ailleurs que l'ouverture opérée par l'articulation de la coque arrière n'esquive pas complètement la coque arrière, et peut donc gêner l'introduction du casque.We also note that the opening made by the articulation of the rear shell does not completely dodge the rear shell, and can therefore hinder the introduction of the helmet.
En particulier, il faut prévoir une coque arrière articulée relativement haut par rapport à la partie avant, alors qu'il peut être avantageux de constituer une coque avant principale de dimension nettement supérieure et une coque arrière constitutive d'un élément rapporté de moindre dimension et apte à couvrir uniquement la zone arrière de la tête.In particular, it is necessary to provide a rear shell articulated relatively high with respect to the front part, while it may be advantageous to constitute a main front shell of markedly greater dimension and a rear shell constituting an attached element of smaller dimension and suitable for covering only the back of the head.
L'invention a pour but de remédier aux inconvénients de casque de protection connus jusqu'à présent.The object of the invention is to remedy the drawbacks of protective helmets known hitherto.
Un premier avantage de l'invention est de rendre très facile et confortable l'enfilage et l'enlèvement du casque, même pour un porteur de lunettes.A first advantage of the invention is to make it very easy and comfortable to put on and take off the helmet, even for a spectacle wearer.
En outre, ce faisant, un confort nouveau et une étanchéité parfaite, y compris sonore, sont opérés au bas de la tête.In addition, in doing so, new comfort and perfect sealing, including sound, are operated at the bottom of the head.
De façon préférée, la manipulation est simplifiée du fait que le mécanisme provoque un asservissement guidant l'intégralité des mouvements. Compte-tenu de la configuration du casque, il est possible d'adapter parfaitement ses parois internes en contact avec la tête de l'utilisateur pour améliorer le confort et le maintien en position. Notamment, la partie de la tête située au niveau du menton est parfaitement maintenue. Du point de vue de la sécurité, le casque selon l'invention a également l'avantage, dans un mode préféré de réalisation, de rendre impossible son utilisation s'il n'est pas verrouillé.Preferably, the handling is simplified due to the fact that the mechanism causes a servo guiding the entire movement. Given the configuration of the helmet, it is possible to perfectly adapt its internal walls in contact with the head of the user to improve comfort and position retention. In particular, the part of the head located at the level of the chin is perfectly maintained. From a security point of view, the helmet according to the invention also has the advantage, in a preferred embodiment, of making it impossible to use if it is not locked.
En cas d'accident, le casque ici proposé offre une grande rapidité et une simplicité d'enlèvement, et ce sans nécessiter de déplacer le blessé qui peut rester allongé sur le dos.In the event of an accident, the helmet offered here offers great speed and simplicity of removal, without having to move the injured person who can lie on his back.
Dans un mode préféré de réalisation, le casque ici proposé présente des moyens adaptés pour opérer un démontage rapide.In a preferred embodiment, the helmet proposed here has suitable means for quick disassembly.
En outre, de par la configuration du casque, l'opération de fermeture permet de resserrer la base du casque au niveau du cou. En prévoyant un ensemble de coussins souples et rendus étanches à ce niveau, on limite les entrées d'air et les bruits parasites.In addition, due to the configuration of the helmet, the closing operation makes it possible to tighten the base of the helmet at the level of the neck. By providing a set of flexible cushions sealed at this level, air intake and noise are limited.
Suivant un mode avantageux de réalisation de l'invention, des moyens d'aération sont en outre prévus, particulièrement au niveau de la jonction entre les deux parties de coque avant et arrière. D'autres buts et avantages apparaîtront au cours de la description qui suit d'un mode préféré de réalisation de l'invention qui n'est cependant pas limitatif.According to an advantageous embodiment of the invention, ventilation means are further provided, particularly at the junction between the two front and rear shell parts. Other objects and advantages will appear during the following description of a preferred embodiment of the invention which is not, however, limiting.
La présente invention concerne un casque de protection comprenant une coque avant et une coque arrière articulées pour être mobiles entre une position d'ouverture et une position de fermeture. L'articulation des deux coques comporte au moins une biellette montée pivotante entre les deux coques.The present invention relates to a protective helmet comprising a front shell and a rear shell articulated to be movable between an open position and a closed position. The articulation of the two shells comprises at least one link pivotally mounted between the two shells.
Suivant des variantes avantageuses, ce casque est tel que :According to advantageous variants, this helmet is such that:
Il comporte deux pans latéraux articulés sur la coque arrière et applicables sur les parois latérales de la coque avant,It has two side panels articulated on the rear shell and applicable on the side walls of the front shell,
Les pans latéraux sont articulés par pivot sur la coque arrière, Il comporte deux leviers, chacun articulé entre la paroi latérale de la coque avant et un pan latéral , chaque levier étant apte à être rabattu ou déployé respectivement pour la fermeture ou l'ouverture du casque,The side panels are articulated by pivot on the rear shell, It has two levers, each articulated between the side wall of the front shell and a side panel, each lever being capable of be folded down or deployed respectively to close or open the helmet,
L'articulation entre chaque pan latéral et le levier correspondant est démontable, pour une ouverture d'urgence, - Il comporte des moyens de verrouillage entre chaque pan latéral et la paroi latérale de la coque avant correspondante,The articulation between each side panel and the corresponding lever is removable, for an emergency opening, - It comprises locking means between each side panel and the side wall of the corresponding front shell,
Les moyens de verrouillage sont situés à l'extrémité avant des pans latéraux,The locking means are located at the front end of the side panels,
Les moyens de verrouillage sont démontables pour une ouverture d'urgence,The locking means are removable for emergency opening,
Il comporte, pour chaque pan latéral, un corps de liaison monté solidairement des moyens de verrouillage sur le pan latéral et sur lequel est formé l'articulation entre le pan latéral et le levier correspondant, - Il comporte des moyens d'aération du volume interne du casque situés au niveau de la jonction entre les deux coques,It comprises, for each lateral panel, a connecting body mounted integrally with locking means on the lateral panel and on which the articulation is formed between the lateral panel and the corresponding lever, - It comprises means for ventilating the internal volume the helmet located at the junction between the two shells,
Les moyens d'aération présentent :The ventilation means present:
- un relief formé sur la coque avant- a relief formed on the front hull
- un creux formé sur la coque arrière en arrière du relief et communiquant avec le volume interne du casque, pour produire un mouvement d'air par création d'une dépression au niveau du creux. Les dessins ci-joints sont donnés à titre d'exemples et ne sont pas limitatifs de l'invention. Ils représentent seulement un mode de réalisation de l'invention et permettront de la comprendre aisément.- A hollow formed on the rear shell behind the relief and communicating with the internal volume of the helmet, to produce an air movement by creating a depression at the level of the hollow. The attached drawings are given by way of examples and are not limitative of the invention. They represent only one embodiment of the invention and will make it easy to understand it.
La figure 1 est une vue en perspective d'un mode de réalisation de l'invention.Figure 1 is a perspective view of an embodiment of the invention.
La figure 2 est une vue de côté d'un casque selon l'invention, et la figure 3 en est une vue en coupe, en position fermée. La figure 4 est une vue de côté en position d'ouverture, et la figure 5 en est une vue en coupe.Figure 2 is a side view of a helmet according to the invention, and Figure 3 is a sectional view, in the closed position. Figure 4 is a side view in the open position, and Figure 5 is a sectional view.
La figure 6 illustre une phase plus avancée d'ouverture et le figure 8 en est une vue en coupe. La figure 7 montre un détail d'articulation de l'invention. La figue 7 bis en est un autre mode de réalisation.Figure 6 illustrates a more advanced opening phase and Figure 8 is a sectional view. Figure 7 shows a detail of articulation of the invention. Fig. 7 bis is another embodiment.
Les figures 9 à 12 illustrent une possibilité d'enlèvement du casque, en particulier en cas d'urgence, si l'utilisateur est blessé et allongé sur le sol. En référence à la figure 1 , le casque de l'invention comporte une coque avant 1 et une coque arrière 2, aptes à recouvrir substantiellement la tête de l'utilisateur. De façon classique, une visière 3 est avantageusement prévue dans la partie avant.Figures 9 to 12 illustrate a possibility of removing the helmet, in particular in an emergency, if the user is injured and lying on the ground. Referring to Figure 1, the helmet of the invention comprises a front shell 1 and a rear shell 2, able to substantially cover the head of the user. Conventionally, a visor 3 is advantageously provided in the front part.
Tel que représenté plus précisément notamment aux figures 2 et 3, l'articulation entre la coque avant 1 et la coque arrière 2 comprend au moins une biellette 6 montée pivotante sur chacune des deux coques 1 , 2, par l'intermédiaire de liaisons pivot repérées 12 et 13.As shown more precisely in particular in FIGS. 2 and 3, the articulation between the front shell 1 and the rear shell 2 comprises at least one connecting rod 6 pivotally mounted on each of the two shells 1, 2, by means of pivot connections identified 12 and 13.
On visualise aux figures 2, 4, et 6, trois positions successives de la coque arrière 2 relativement à la coque avant 1. Dans ce cadre, la figure 2 représente une position fermée dans laquelle la coque arrière 2 s'applique sur la coque avant 1.We see in Figures 2, 4, and 6, three successive positions of the rear shell 2 relative to the front shell 1. In this context, Figure 2 shows a closed position in which the rear shell 2 is applied to the front shell 1.
La figure 6 montre une situation d'ouverture complète du casque, où on voit nettement que la coque arrière 2 est largement escamotée de façon à offrir une ouverture suffisante pour le passage de la tête. Pour parvenir à cette position, une position intermédiaire est représentée en figure 4.Figure 6 shows a situation of complete opening of the helmet, where it is clearly seen that the rear shell 2 is largely retracted so as to provide sufficient opening for the passage of the head. To reach this position, an intermediate position is shown in Figure 4.
A titre préféré, le casque comporte deux pans latéraux 4a, 4b, articulés de part et d'autre de la coque arrière 2 en particulier par une articulation 11a,As a preference, the helmet comprises two lateral panels 4a, 4b, articulated on either side of the rear shell 2 in particular by an articulation 11a,
11b du type pivot. En position fermée, les pans latéraux 4a, 4b sont aptes à s'appliquer sur les parois latérales de la coque avant 1 sur des surfaces d'application 8a, 8b, tel que cela ressort de la figure 3.11b of the pivot type. In the closed position, the side panels 4a, 4b are able to be applied to the side walls of the front shell 1 on application surfaces 8a, 8b, as shown in FIG. 3.
Au contraire, en position d'ouverture, les pans latéraux 4a, 4b sont écartés des surfaces d'application 8a, 8b, de la coque avant 1 , et permettent le mouvement combiné de recul et de rotation de la coque arrière 2.On the contrary, in the open position, the side panels 4a, 4b are separated from the application surfaces 8a, 8b, of the front shell 1, and allow the combined movement of recoil and rotation of the rear shell 2.
Pour assurer un tel mouvement de façon pratique, il est préféré d'utiliser deux leviers 7a, 7b, articulés d'une part à la paroi latérale de la coque avant 1 , par exemple par une liaison pivot 9a, 9b, et d'autre part à un pan latéral 4a, 4b au niveau d'une articulation 10a, 10b.To ensure such a movement in a practical manner, it is preferred to use two levers 7a, 7b, articulated on the one hand to the side wall of the front shell 1, for example by a pivot link 9a, 9b, and on the other leaves at a side panel 4a, 4b at a joint 10a, 10b.
Comme montré en figure 3, le levier 7a, 7b est apte à être rabattu sur la surface d'application 8a, 8b en position de fermeture du casque, alors qu'en position d'ouverture il est déployé jusqu'à basculer vers l'arrière du casque progressivement sur les figures 5 et 8.As shown in Figure 3, the lever 7a, 7b is adapted to be folded down on the application surface 8a, 8b in the closed position of the helmet, while in open position it is deployed until it gradually tilts towards the rear of the helmet in Figures 5 and 8.
La figure 7 montre un exemple purement indicatif d'une possibilité de formation de la liaison entre chaque levier 7a, 7b et le pan latéral correspondant 4a, 4b. A ce sujet, dans le cas représenté, deux libertés de mouvement en rotation suivant des axes 17, 18 perpendiculaires, sont préservés afin de former l'articulation 10a. Or, on comprend que l'articulation 10a a ici une double liberté de mouvement (deux rotations). Dans le cas de l'exemple, les libertés de mouvement sont réalisées de façon bien distincte sans que cela soit limitatif par l'intermédiaire de systèmes de charnière. La fixation du levier 7a sur le pan latéral 4a est en outre préservé par l'intermédiaire d'une vis 20.FIG. 7 shows an example purely indicative of a possibility of forming the connection between each lever 7a, 7b and the corresponding side panel 4a, 4b. In this regard, in the case shown, two freedom of movement in rotation along axes 17, 18 perpendicular, are preserved in order to form the joint 10a. Now, we understand that the joint 10a here has a double freedom of movement (two rotations). In the case of the example, the freedoms of movement are achieved in a very distinct manner without this being limiting by means of hinge systems. The fixing of the lever 7a on the side panel 4a is further preserved by means of a screw 20.
La figure 7 bis illustre une autre possibilité de réalisation de la liaison entre chaque levier 7a, 7b et le pan latéral correspondant. L'articulation 10a, 10b est ici formée sur un corps de liaison solidarisé au pan latéral 4a, 4b. Le montage du corps de liaison sur le pan latéral 4a, 4b est assuré par des moyens communs aux moyens de verrouillage 5a, 5b qui seront exposés ci-après plus en détail. Dans l'exemple représenté, une vis 20 assure la fixation, à la fois des moyens de verrouillage 5a, 5b et des corps de liaison 21.Figure 7a illustrates another possibility of making the connection between each lever 7a, 7b and the corresponding side panel. The articulation 10a, 10b is here formed on a connecting body secured to the side panel 4a, 4b. The mounting of the connecting body on the side panel 4a, 4b is ensured by means common to the locking means 5a, 5b which will be explained below in more detail. In the example shown, a screw 20 secures both the locking means 5a, 5b and the connecting bodies 21.
En démontant la vis 20, on libère simultanément le corps de liaison 21 (et, partant, l'articulation 10a, 10b) et les moyens de verrouillage (5a, 5b).By dismantling the screw 20, the connecting body 21 (and therefore the joint 10a, 10b) and the locking means (5a, 5b) are released simultaneously.
Cette possibilité de démontage globale est particulièrement utile en cas de nécessité d'ouverture d'urgence du casque, tel que cela sera également présenté dans la suite de la description.This possibility of global disassembly is particularly useful in the event of an emergency opening of the helmet, as will also be presented in the following description.
La liberté de mouvement ainsi laissée entre le levier 7a, et le pan latéral 4a permet la combinaison de mouvements conférés à la coque arrière 2 et qui ressortent des figures 2 à 8.The freedom of movement thus left between the lever 7a and the side panel 4a allows the combination of movements imparted to the rear shell 2 and which emerge from FIGS. 2 to 8.
Pour maintenir le casque en position fermée, des moyens de verrouillage 5a, 5b sont présents sur les parois latérales pour solidariser, de façon amovible, la coque avant 1 et la partie mobile constituée ici de l'ensemble coque arrière 2 et pans latéraux 4a, 4b. Plus particulièrement, on pourra former les moyens de verrouillage 5a, 5b au niveau de l'extrémité avant des pans latéraux 4a, 4b, par exemple sous forme de systèmes à bouton pression mécanique. Les articulations entre les différentes pièces qui ont été évoquées précédemment peuvent être réalisées de différentes manières et par tous moyens courants. En particulier, les articulations peuvent être réalisées mécaniquement par des systèmes à charnière ou exploiter les propriétés élastiques des matériaux employés pour constituer la biellette 6 et les leviers 7a, 7b, et les pans latéraux 4a, 4b. En outre, on peut accorder une liberté de mouvement plus importante qu'une simple liaison pivot au niveau des articulations, et notamment, des liaisons rotules peuvent être constituées.To keep the helmet in the closed position, locking means 5a, 5b are present on the side walls to removably secure the front shell 1 and the movable part formed here of the rear shell 2 and side panels 4a assembly, 4b. More particularly, the locking means 5a, 5b may be formed at the front end of the side panels 4a, 4b, for example in the form of mechanical press button systems. The joints between the different parts which have been mentioned above can be produced in different ways and by any common means. In particular, the joints can be made mechanically by hinged systems or exploit the elastic properties of the materials used to form the link 6 and the levers 7a, 7b, and the side panels 4a, 4b. In addition, greater freedom of movement can be granted than a simple pivot connection at the joints, and in particular, ball joints can be formed.
A titre avantageux, des moyens d'aération sont présents au niveau de la jonction 16 entre la coque avant 1 et la coque arrière 2, de façon à créer une communication entre le volume interne du casque et l'air ambiant. La formation d'un casque en deux parties de coque 1, 2 et sur ce point avantageux puisqu'il permet de tirer profit de la jonction 16 existante pour réaliser cette communication avec le volume interne du casque, sans autre nécessité de perçage de la coque.Advantageously, ventilation means are present at the junction 16 between the front shell 1 and the rear shell 2, so as to create communication between the internal volume of the helmet and the ambient air. The formation of a helmet in two shell parts 1, 2 and on this point advantageous since it makes it possible to take advantage of the existing junction 16 to achieve this communication with the internal volume of the helmet, without any other need for drilling the shell .
De façon préférée, un système exploitant l'effet Venturi est mis en œuvre pour l'aération. Pour la création d'une dépression au niveau de la jonction 16, on forme un ou plusieurs reliefs 14 sur la coque avant 1 , par exemple suivant le cas de la figure 1. En correspondance, on réalise des creux 15 sur la coque arrière au niveau de ladite jonction 16. Un mouvement d'air est donc produit à ce niveau par l'application d'une dépression.Preferably, a system exploiting the Venturi effect is implemented for ventilation. For the creation of a depression at the junction 16, one or more reliefs 14 are formed on the front shell 1, for example according to the case of FIG. 1. In correspondence, recesses 15 are produced on the rear shell at level of said junction 16. An air movement is therefore produced at this level by the application of a vacuum.
On donne ci-après un exemple de fonctionnement du casque ici proposé.An example of the operation of the helmet proposed here is given below.
Dans ce cadre, pour enlever le casque à partir d'une position fermée sur la tête, il suffit d'appuyer avec les pouces au niveau des moyens de verrouillage 5a, 4b, pour écarter les pans latéraux 4a, 4b, à droite et à gauche. Ce faisant, les leviers 7a, 7b basculent par le biais des articulations 9a, 9b, 10a, 10b, obligeant les pans latéraux 4a, 4b à reculer vers l'arrière, à s'écarter au maximum de la longueur des leviers 7a, 7b. Dès que lesdits leviers 7a, 7b basculent vers l'arrière, ils tendent à se resserrer tout en continuant de reculer.In this context, to remove the helmet from a closed position on the head, it suffices to press with your thumbs at the locking means 5a, 4b, to spread the side panels 4a, 4b, to the right and to left. In doing so, the levers 7a, 7b tilt through the joints 9a, 9b, 10a, 10b, forcing the side panels 4a, 4b to move backwards, to deviate as much as possible from the length of the levers 7a, 7b . As soon as said levers 7a, 7b tilt backwards, they tend to tighten while continuing to retreat.
Compte-tenu de la liaison existant entre les pans latéraux 4a, 4b, et la coque arrière, et compte-tenu de l'articulation par la biellette 6, le mouvement de rotation de la biellette 6 autour de l'axe d'articulation 12 va transformer le mouvement de translation vers l'arrière provoqué par les leviers 7a, 7b en un mouvement de translation et de rotation combinés vers le haut de l'ensemble ainsi formé par la coque arrière 2 et les pans latéraux 4a, 4b, de façon à assurer un maximum de remontée. Dans le même mouvement, ou successivement, on dégage le casque de la tête vers l'avant en le basculant autour du menton.Given the connection existing between the side panels 4a, 4b, and the rear shell, and taking into account the articulation by the link 6, the rotational movement of the link 6 around the articulation axis 12 will transform the translational movement backwards caused by the levers 7a, 7b into a translation and rotation movement combined upwards of the assembly thus formed by the rear shell 2 and the side panels 4a, 4b, so as to ensure maximum ascent. In the same movement, or successively, the helmet is released from the head forward by tilting it around the chin.
Pour procéder à l'enfilage du casque, les mouvements sont inversés. La coque arrière 2 revient naturellement se repositionner à l'arrière de la coque avant 1 dans un mouvement guidé par celui de la biellette 6.To put on the helmet, the movements are reversed. The rear shell 2 naturally returns to reposition itself at the rear of the front shell 1 in a movement guided by that of the link 6.
Durant ce retour, les pans latéraux 4a, 4b s'écartent, puis, sur une simple pression latérale, elles viennent se verrouiller sur la coque par l'intermédiaire des moyens de verrouillage 5a, 5b. Ce mouvement de retour pour une application sur les surfaces d'application de la paroi latérale de la coque avant est assuré par l'intermédiaire d'un guidage par les leviers 7a, 7b.During this return, the side panels 4a, 4b move apart, then, on a simple lateral pressure, they come to lock on the shell by means of the locking means 5a, 5b. This return movement for application to the application surfaces of the side wall of the front shell is provided by means of guidance by the levers 7a, 7b.
On comprend aisément que compte-tenu de la combinaison de mouvements, les phases d'ouverture et de fermeture de casque sont particulièrement pratiques.It is easy to understand that, given the combination of movements, the helmet opening and closing phases are particularly practical.
Compte-tenu de la présence de la biellette 6 et en adaptant sa longueur, son basculement assure à la coque arrière 2, un mouvement d'amplitude suffisante pour se déboîter de façon à autoriser le dégagement ou l'insertion de la tête. Ce faisant on permet cependant la mise en place d'éléments amortisseurs tapissant la paroi intérieure de la coque arrière d'épaisseur suffisante à l'amortissement, au confort et au maintien de la tête.Given the presence of the link 6 and by adapting its length, its tilting provides the rear shell 2, a movement of sufficient amplitude to disengage so as to allow the release or insertion of the head. In doing so, however, it is possible to install damping elements lining the inner wall of the rear shell of sufficient thickness for cushioning, comfort and support of the head.
Tel que cela ressort de la figure 1, la coque avant 1 , la coque arrière 2 et les parois latérales 4a, 4b ont une base apte à s'appliquer sur le pourtour du cou de l'utilisateur pour assurer le maintien et l'étanchéité. Ces quatre éléments participent donc en combinaison, au bon positionnement du casque et au confort de l'utilisateur.As shown in Figure 1, the front shell 1, the rear shell 2 and the side walls 4a, 4b have a base adapted to be applied on the periphery of the neck of the user to maintain and seal . These four elements therefore participate in combination, in the correct positioning of the helmet and in the comfort of the user.
Toujours de façon préférée, la partie de la coque avant 1 revenant sous le menton de l'utilisateur qui assure ici la majeure partie de l'effet de rétention du casque est garnie à l'intérieur d'un matériau auto formant de type gel, permettant à tous utilisateur quel que soit la morphologie de son menton, de s'aménager une place à sa forme personnelle sans qu'il soit besoin pour autant d'intervenir pour échanger une pièce. On décrit ci-après plus précisément en référence aux figures 9 à 12 un exemple d'ouverture du casque de l'invention dans une situation d'urgence, avec un utilisateur blessé, positionné de façon sensiblement allongée sur le dos. Dans ce cadre, on cherche à réduire au maximum les mouvements à imposer à l'utilisateur, et de préférence à ne pas modifier la position de la tête.Still preferably, the part of the front shell 1 returning under the chin of the user, which here provides most of the retention effect of the helmet, is lined inside a self-forming material of gel type, allowing all users, whatever the morphology of their chin, to make room for their personal shape without the need to intervene to exchange a part. A more detailed description is given below with reference to FIGS. 9 to 12 of an example of opening the helmet of the invention in an emergency situation, with an injured user, positioned in a substantially elongated position on the back. In this context, we seek to minimize the movements to be imposed on the user, and preferably not to change the position of the head.
Dans ce cadre, la liaison entre les leviers 7a, 7b et les parois latérales 4a, 4b, sont conçus de façon démontable par l'extérieur par exemple par l'intermédiaire de vis 20 telles que présentée en figure 7.In this context, the connection between the levers 7a, 7b and the side walls 4a, 4b, are designed to be removable from the outside, for example by means of screws 20 as shown in FIG. 7.
On pourra par exemple utiliser des vis à pas rapide à ce niveau. Le casque étant refermé sur la tête tel que présenté en figure 9, il suffit d'enlever les vis 20 pour libérer les parois latérales 4a, 4b des leviers 7a, 7b. Lesdits leviers 7a, 7b restent solidaires de la coque avant 1 , par les corps 21 a, 21b et les systèmes de verrouillage 5a, 5b.We can for example use quick pitch screws at this level. The helmet being closed on the head as presented in FIG. 9, it suffices to remove the screws 20 to release the side walls 4a, 4b from the levers 7a, 7b. Said levers 7a, 7b remain integral with the front shell 1, by the bodies 21a, 21b and the locking systems 5a, 5b.
Par cet effet de libération, le basculement de la coque avant 1 est possible vers le haut en éliminant tout effet de mouvement et d'asservissement provoqués par les leviers 7a, 7b en utilisation normale. La coque avant 1 tourne librement autour de l'axe 12 et la biellette 6 continue de produire son effet donnant une grande facilité au déploiement de la coque avant 1 autour de la tête. On parvient, tel que représenté aux figures 10 à 12, à une libération totale de la face et de la tête de l'utilisateur, la coque avant 1 reposant sur le sol après son mouvement d'ouverture, facilitant ainsi l'accès aux voies respiratoires et le transport, le casque restant naturellement au sol. By this release effect, the tilting of the front shell 1 is possible upwards by eliminating any movement and enslavement effect caused by the levers 7a, 7b in normal use. The front shell 1 rotates freely around the axis 12 and the link 6 continues to produce its effect giving great ease in the deployment of the front shell 1 around the head. As shown in FIGS. 10 to 12, a complete release of the face and the head of the user is achieved, the front shell 1 resting on the ground after its opening movement, thus facilitating access to the tracks. respiratory and transport, the helmet remaining naturally on the ground.
REFERENCESREFERENCES
1. Coque avant1. Front hull
2. Coque arrière 3. Visière2. Back cover 3. Visor
4a, 4b. Pans latéraux4a, 4b. Side panels
5a, 5b. Systèmes de verrouillage5a, 5b. Locking systems
6. Biellette6. Rod
7a, 7b. Leviers 8a, 8b. Surface d'application7a, 7b. Levers 8a, 8b. Application area
9a, 8b. Articulation9a, 8b. Joint
10a, 10b. Articulation10a, 10b. Joint
11 a, 11 b. Articulation11 a, 11 b. Joint
12. Articulation 13. Articulation12. Articulation 13. Articulation
14. Relief14. Relief
15. Creux15. Hollow
16. Jonction 17.Axe de pivot 18. Axe de pivot16. Junction 17.Pivot axis 18. Pivot axis
19. Tête19. Head
20. Vis20. Screw
21. Corps de liaison 21. Connection body

Claims

REVENDICATIONS
1. Casque de protection comprenant une coque avant (1 ) et une coque arrière (2) articulées pour être mobiles entre une position d'ouverture et une position de fermeture, caractérisé par le fait que l'articulation des deux coques (1 , 2) comporte au moins une biellette (6) montée pivotante entre les deux coques (1 , 2) et qu'il comporte deux pans latéraux (4a, 4b) articulés sur la coque arrière (2) et applicables sur les parois latérales de la coque avant (1). 1. Protective helmet comprising a front shell (1) and a rear shell (2) articulated to be movable between an open position and a closed position, characterized in that the articulation of the two shells (1, 2 ) comprises at least one link (6) pivotally mounted between the two shells (1, 2) and that it comprises two lateral panels (4a, 4b) articulated on the rear shell (2) and applicable on the lateral walls of the shell before (1).
2. Casque selon la revendication 1 ,2. A helmet according to claim 1,
Caractérisé par le fait que Les pans latéraux (4a, 4b) sont articulés par pivot sur la coque arrièreCharacterized by the fact that the side panels (4a, 4b) are articulated by pivot on the rear shell
(2).(2).
3. Casque selon la revendication 1 ou 2, Caractérisé par le fait que,3. Helmet according to claim 1 or 2, characterized in that,
Il comporte deux leviers (7a, 7b), chacun articulé entre la paroi latérale de la coque avant et un pan latéral (4a, 4b), chaque levier (7a, 7b) étant apte à être rabattu ou déployé respectivement pour la fermeture ou l'ouverture du casque. It comprises two levers (7a, 7b), each articulated between the side wall of the front shell and a side panel (4a, 4b), each lever (7a, 7b) being able to be folded down or deployed respectively for closing or l helmet opening.
4. Casque selon la revendication 3,4. A helmet according to claim 3,
Caractérisé par le fait queCharacterized by the fact that
L'articulation entre chaque pan latéral (4a, 4b) et le levier (7a, 7b) correspondant est démontable, pour une ouverture d'urgence.The articulation between each side panel (4a, 4b) and the corresponding lever (7a, 7b) is removable, for emergency opening.
5. Casque selon l'une quelconque des revendications 1 à 4, Caractérisé par le fait que5. Helmet according to any one of claims 1 to 4, characterized in that
Il comporte des moyens de verrouillage (5a, 5b) entre chaque pan latéral (4a, 4b) et la paroi latérale de la coque avant (1 ) correspondante.It comprises locking means (5a, 5b) between each side panel (4a, 4b) and the side wall of the corresponding front shell (1).
6. Casque selon la revendication 5, Caractérisé par le fait que Les moyens de verrouillage (5a, 5b) sont situés à l'extrémité avant des pans latéraux (4a, 4b).6. A helmet according to claim 5, characterized in that the locking means (5a, 5b) are located at the front end of the side panels (4a, 4b).
7. Casque selon l'une quelconque des revendications 5 ou 6, Caractérisé par le fait que Les moyens de verrouillage (5a, 5b) sont démontables pour une ouverture d'urgence.7. Helmet according to any one of claims 5 or 6, characterized in that The locking means (5a, 5b) are removable for emergency opening.
8. Casque selon la revendication 7 en combinaison avec la revendication 4, Caractérisé par le fait que8. A helmet according to claim 7 in combination with claim 4, characterized in that
Il comporte, pour chaque pan latéral (4a, 4b), un corps de liaison (21) monté solidairement des moyens de verrouillage (5a, 5b) sur le pan latéral (4a, 4b) et sur lequel est formé l'articulation (10a, 10b) entre le pan latéral (4a, 4b) et le levier (7a, 7b) correspondant. It comprises, for each side panel (4a, 4b), a connecting body (21) mounted integrally with locking means (5a, 5b) on the side panel (4a, 4b) and on which the articulation (10a) is formed. , 10b) between the side panel (4a, 4b) and the corresponding lever (7a, 7b).
9. Casque selon l'une quelconque des revendications 1 à 8,9. A helmet according to any one of claims 1 to 8,
Caractérisé par le fait queCharacterized by the fact that
Il comporte des moyens d'aération du volume interne du casque situés au niveau de la jonction (16) entre les deux coques (1 , 2).It includes means for ventilating the internal volume of the helmet located at the junction (16) between the two shells (1, 2).
10. Casque selon la revendication 9, Caractérisé par le fait que10. Helmet according to claim 9, characterized in that
Les moyens d'aération présentent :The ventilation means present:
- un relief (14) formé sur la coque avant (1)- a relief (14) formed on the front shell (1)
- un creux (15) formé sur la coque arrière (2)en arrière du relief (14) et communiquant avec le volume interne du casque, pour produire un mouvement d'air par création d'une dépression au niveau du creux (15). - A recess (15) formed on the rear shell (2) behind the relief (14) and communicating with the internal volume of the helmet, to produce an air movement by creating a depression at the level of the recess (15) .
EP03773824A 2002-08-30 2003-08-04 Protective helmet comprising articulated front shell and rear shell Expired - Lifetime EP1536709B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0210744A FR2843855B1 (en) 2002-08-30 2002-08-30 PROTECTIVE HELMET CONTAINING A ARTICULATED FRONT SHELL AND A REAR SHELL
FR0210744 2002-08-30
PCT/FR2003/050026 WO2004019717A2 (en) 2002-08-30 2003-08-04 Protective helmet comprising articulated front shell and rear shell

Publications (2)

Publication Number Publication Date
EP1536709A2 true EP1536709A2 (en) 2005-06-08
EP1536709B1 EP1536709B1 (en) 2009-06-03

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EP03773824A Expired - Lifetime EP1536709B1 (en) 2002-08-30 2003-08-04 Protective helmet comprising articulated front shell and rear shell

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EP (1) EP1536709B1 (en)
AT (1) ATE432628T1 (en)
AU (1) AU2003282204A1 (en)
DE (1) DE60327859D1 (en)
FR (1) FR2843855B1 (en)
WO (1) WO2004019717A2 (en)

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EP3413738A4 (en) * 2016-02-10 2019-09-25 Voztec Limited Protective helmets, protective helmet components and methods for manufacturing protective helmets, including protective helmets having an enlargeable bell opening

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AU2003282204A8 (en) 2004-03-19
DE60327859D1 (en) 2009-07-16
WO2004019717A2 (en) 2004-03-11
WO2004019717A3 (en) 2004-04-08
EP1536709B1 (en) 2009-06-03
ATE432628T1 (en) 2009-06-15
FR2843855B1 (en) 2004-12-03
AU2003282204A1 (en) 2004-03-19
FR2843855A1 (en) 2004-03-05

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