EP1887898B1 - Mobile protective helmet with mobile visor - Google Patents

Mobile protective helmet with mobile visor Download PDF

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Publication number
EP1887898B1
EP1887898B1 EP06763300A EP06763300A EP1887898B1 EP 1887898 B1 EP1887898 B1 EP 1887898B1 EP 06763300 A EP06763300 A EP 06763300A EP 06763300 A EP06763300 A EP 06763300A EP 1887898 B1 EP1887898 B1 EP 1887898B1
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EP
European Patent Office
Prior art keywords
visor
chin strap
rotation
screen
shell
Prior art date
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Active
Application number
EP06763300A
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German (de)
French (fr)
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EP1887898A1 (en
Inventor
Claude Off. Mediterraneen de Brev. d'Inv. 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
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Roof International SAS
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Publication of EP1887898A1 publication Critical patent/EP1887898A1/en
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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
    • A42B3/326—Helmets with movable or separable chin or jaw guard
    • 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
    • A42B3/18—Face protection devices
    • A42B3/22—Visors
    • A42B3/221—Attaching visors to helmet shells, e.g. on motorcycle helmets
    • A42B3/222—Attaching visors to helmet shells, e.g. on motorcycle helmets in an articulated manner, e.g. hinge devices

Definitions

  • the present invention relates to a protective helmet generally comprising a shell on which are rotated a screen and a chin strap.
  • the helmet according to the invention is particularly intended for motorcyclists wishing to have a helmet of the integral type, that is to say, allowing complete protection of the motorcyclist's head, by the presence of a protective part of the motorcycle.
  • chin hereafter called chin guard, while preserving a possibility of modification of the configuration of the helmet by mobility of the chinrest and the visor.
  • Patent Document is known EP-A-993 784 a protective helmet particularly usable in motorcycling comprising a screen mounted on the shell of the helmet, a chin strap attached to the shell and adapted to be raised over the screen towards the rear of the hull by a rotational movement.
  • the chin strap has an axis of rotation offset upwards relative to the axis of the screen for a raising of the chin without friction on the screen.
  • the visor rests, by its lower end, on an inner zone of the chinrest.
  • An object of the invention is to propose a solution to this problem.
  • the invention is able to allow a good cooperation of the chin guard and the visor in lowered position for a perfect seal.
  • the screen can cooperate with an outer portion of the chin guard which has a rim behind the visor to block it perfectly and optimize sealing.
  • the screen is not only rotatably mounted relative to the shell but also has an additional inclination mobility along an axis of rotation distinct from that of its rotation relative to the shell to be able to modify its tilt so that the screen slips away from the raising trajectory of the chin rest.
  • the mobility of the screen is slaved to that of the chinrest so that raising the chin strap produces that of the screen simultaneously.
  • the servo-control means can be configured so that the raising of the screen is faster than that of the chin-rest, which makes it possible, from a first phase, to raise the chin-guard. to free his trajectory from the presence of the screen.
  • helmet configuration is possible in particular in the cooperation of the chin guard and the screen.
  • the present invention relates to a protective helmet comprising a shell on which are rotated a screen and a chinrest, the lower portion of the screen resting on an area of the chinrest when lowered and the chinrest being liftable around of the screen.
  • the helmet is such that it comprises means of additional mobility of the screen configured to approach or move its lower edge of the lifting trajectory of the support zone on the chinrest.
  • the invention is in the form of a helmet comprising a shell 1 for protecting the front part of the head of a motorcyclist.
  • a shell 1 for protecting the front part of the head of a motorcyclist.
  • means for mounting a chinrest 3 and a screen 2 are present.
  • the chinrest 3 and the screen 2 are hinged relative to the shell 1 by means of an axis of rotation 5. In the illustrated case, it is a single axis of rotation for the chin and the screen.
  • the bearing zone 4 comprises a flange 21 in front of which is positioned the lower portion of the screen 2.
  • the tightness and strength of the assembly are very important. Indeed, the visor 2, in its lower portion, is perfectly maintained by the chin rest at the bearing zone 4 including the rim 21.
  • the screen 2 has an additional mobility to approach or move its lower edge of the lifting trajectory of the support zone 4 of the chin rest 3.
  • the additional mobility is an inclination of the screen 2 produced along an axis of rotation distinct from the axis 5.
  • the tilting means allow a return of the lower edge of the screen before the chinrest 3 is brought to pass above the screen 2.
  • a rod 7 is pivotally mounted at one of its ends on the screen 2 and is rotatably mounted at its other end on the axis of rotation 5. It is then easily understood that additional rotational mobility is produced for the screen by means of this rod 7.
  • a lateral support 8 is present at each sidewall 6 and is formed integrally with the screen 2 which it can be the simple extension.
  • the lateral support has an oblong hole 9 enabling the axis of rotation 5 to be guided within it.
  • the mobility of the screen 2 both in rotation around the axis 5 and inclination via the link 7 can be produced by a manual action of the user. However, it is advantageous that the displacement of the screen is automatically generated during the raising of the chin guard 3.
  • control means are described for controlling the displacement of the screen 2 both in its rotation relative to the shell 1 and in its additional mobility in inclination.
  • the case represented is not limiting and the servocontrol could for example concern only the additional mobility or the rotation of the screen.
  • control means proposed here may be suitable for driving a screen 2 having no additional mobility.
  • the servocontrol means illustrated here have means integral with the chin rest 3 capable of generating a drive force of the screen 2 by means of a cam 10.
  • the cam 10 is positioned between the screen 2 and the chinrest 3 and is hidden by the side of the chinrest 3.
  • the cam 10 is rotatably mounted on the shell 1 by an axis 16.
  • a drive piece 19 is formed, here substantially circular even if this shape is not limiting, and having a path of movement 14 for a drive member 13 integral with the cam 10.
  • This piece 19 can be attached to the chinstrap 3 or be monoblock with it which it then constitutes a part.
  • the path 14 has a radial portion 14a which, when the drive member 13 is positioned in this part, allows the part 19 to exert a driving force on the cam 10.
  • the path 14 also has a tangential portion 14b in which, by the tangential orientation of the path relative to the direction of the rotational movement of the part 19, no force is transmitted to the drive member 13.
  • the cam 10 is driven during a first phase of raising the chinrest 3, when the drive member 13 is present in the radial portion 14a of the displacement path 14 of the part 19.
  • the member 13 In a subsequent phase of raising, after continuing the rotation of the part 19, the member 13 reaches the tangential portion 14b of the displacement path 14 of the part 19, which no longer produces rotation of the cam 10.
  • a cavity 15 is formed in the cam 10 so as to form an application wall and guide for high stops 17 and low 18 made in relief at both ends of the oblong hole 9 of the lateral support 8.
  • the axis of rotation 5 is at the level of the upper stop 17, which produces an active position in which the rod 7 and the lateral support 8 are not relatively inclined.
  • the axis 5 evolved in the oblong hole 9 and arrives, in figure 3 up to the bottom stop 18. In the latter situation, the inclination of the screen is maximum, which reveals the angular offset of the rod 7 relative to the lateral support 8.
  • the cam 10 allows the raising of the screen 2 around the shell 1.
  • the cam 10 comprises a finger 11 located towards its upper edge and able to exert a force on a bearing surface 22 in the form of a hook formed on the rod 7 so that the finger 11 pushes on the surface 22 when the cam 10 is activated in rotation by a raising of the chinrest 3.
  • the figure 2 shows this push phase.
  • an abutment (not shown) is advantageously constituted to limit the bearing.
  • the various kinematic elements of the system described here are configured to cause a faster angular displacement of the screen 2 relative to the chinrest 3. This occurs, in particular, by positioning the finger contact point 11 / surface 22 near the axis of rotation 5 so as to generate a large angular displacement from a small tangential displacement of the drive elements.
  • the illustrated case corresponds to this embodiment.
  • the chinrest 3 can then be freely raised without any friction on the screen 2.
  • a mechanism allows the prior lifting of the screen, as shown in FIG. figure 6 .
  • a finger 12 is formed on the cam 10 to cooperate with a surface 23 formed at the rear of the rod 7 so that the finger 12 pushes the surface 23 when the cam 10 is actuated in rotation by lowering the chin guard 3.
  • the finger 12 escapes from the surface 23, allowing the screen 2 to be lowered and applied to the zone 4.
  • the chinrest 3 In the low position, the chinrest 3 is held in position by a stop Such a locking system is advantageously provided for fixing the chinrest in this position.

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  • Helmets And Other Head Coverings (AREA)

Abstract

The invention concerns a protective helmet comprising a shell (1) whereon are rotatably mounted a visor (2) and a chin strap (3), the lower portion of the visor (2) being urged to rest on a zone (4) of the chin strap (3) when they are lowered and the chin strap (3) capable of being raised about the visor (2). The invention is characterized in that the helmet is such that it comprises additional means for moving the visor (2) configured to bring its lower edge closer to or move it away from the raising trajectory of the support zone (4) on the chin strap (3).

Description

La présente invention concerne un casque de protection comportant, de façon générale, une coque sur laquelle sont montés en rotation un écran et une mentonnière.The present invention relates to a protective helmet generally comprising a shell on which are rotated a screen and a chin strap.

Le casque selon l'invention est en particulier destiné aux motocyclistes désireux de disposer d'un casque du type intégral, c'est-à-dire permettant une protection complète de la tête du motocycliste, par la présence d'une partie de protection du menton ci-après dénommée mentonnière, tout en préservant une possibilité de modification de la configuration du casque par mobilité de la mentonnière et de la visière.The helmet according to the invention is particularly intended for motorcyclists wishing to have a helmet of the integral type, that is to say, allowing complete protection of the motorcyclist's head, by the presence of a protective part of the motorcycle. chin hereafter called chin guard, while preserving a possibility of modification of the configuration of the helmet by mobility of the chinrest and the visor.

On connaît du document EP-A-993 784 un casque de protection notamment utilisable en motocyclisme comprenant un écran monté sur la coque du casque, une mentonnière attachée à la coque et apte à être relevée par dessus l'écran vers l'arrière de la coque par un mouvement de rotation. Suivant cette antériorité, la mentonnière possède un axe de rotation décalé vers le haut par rapport à l'axe de l'écran pour un relèvement de la mentonnière sans frottement sur l'écran. Suivant cette disposition, il convient que la visière s'appuie, par son extrémité inférieure, sur une zone interne de la mentonnière.Document is known EP-A-993 784 a protective helmet particularly usable in motorcycling comprising a screen mounted on the shell of the helmet, a chin strap attached to the shell and adapted to be raised over the screen towards the rear of the hull by a rotational movement. According to this anteriority, the chin strap has an axis of rotation offset upwards relative to the axis of the screen for a raising of the chin without friction on the screen. According to this arrangement, it is appropriate that the visor rests, by its lower end, on an inner zone of the chinrest.

Il existe un besoin de proposer un casque à mentonnière et à visière mobiles par relèvement permettant d'assurer un appui de l'écran sur la mentonnière efficace, notamment pour des questions d'étanchéité en position abaissée tout en permettant un relèvement aisé de la mentonnière au-dessus de l'écran.There is a need to provide a helmet with chinrest and visor movable by raising to ensure a screen support on the chinrest effective, especially for sealing issues in the lowered position while allowing easy raising of the chinrest above the screen.

Un but de l'invention est de proposer une solution à ce problème.An object of the invention is to propose a solution to this problem.

De cette façon, l'invention est à même de permettre une bonne coopération de la mentonnière et de la visière en position abaissées pour une étanchéité parfaite. En particulier, suivant un mode préféré de réalisation de l'invention, l'écran peut coopérer avec une portion externe de la mentonnière qui dispose d'un rebord en arrière de la visière permettant de la bloquer parfaitement et d'optimiser l'étanchéité.In this way, the invention is able to allow a good cooperation of the chin guard and the visor in lowered position for a perfect seal. In particular, according to a preferred embodiment of the invention, the screen can cooperate with an outer portion of the chin guard which has a rim behind the visor to block it perfectly and optimize sealing.

Suivant un mode préféré de réalisation de l'invention, l'écran est non seulement monté rotatif relativement à la coque mais présente aussi une mobilité additionnelle en inclinaison suivant un axe de rotation distinct de celui de sa rotation relativement à la coque pour pouvoir modifier son inclinaison de sorte à ce que l'écran s'esquive de la trajectoire de relèvement de la mentonnière.According to a preferred embodiment of the invention, the screen is not only rotatably mounted relative to the shell but also has an additional inclination mobility along an axis of rotation distinct from that of its rotation relative to the shell to be able to modify its tilt so that the screen slips away from the raising trajectory of the chin rest.

Suivant une autre possibilité avantageuse de l'invention, la mobilité de l'écran est asservie à celle de la mentonnière de sorte à ce que le relèvement de la mentonnière produise simultanément celui de l'écran. En outre, on peut configurer les moyens d'asservissement pour que le relèvement de l'écran soit plus rapide que celui de la mentonnière, ce qui permet dès une première phase de relèvement de la mentonnière de libérer sa trajectoire de la présence de l'écran.According to another advantageous possibility of the invention, the mobility of the screen is slaved to that of the chinrest so that raising the chin strap produces that of the screen simultaneously. In addition, the servo-control means can be configured so that the raising of the screen is faster than that of the chin-rest, which makes it possible, from a first phase, to raise the chin-guard. to free his trajectory from the presence of the screen.

On notera que, suivant l'invention, de nombreuses possibilités de configuration de casque sont possibles notamment dans la coopération de la mentonnière et de l'écran.It will be noted that, according to the invention, numerous possibilities of helmet configuration are possible in particular in the cooperation of the chin guard and the screen.

D'autres buts et avantages apparaîtront au cours de la description qui suit d'un mode préféré de réalisation de l'invention qui n'en n'est cependant pas limitatif.Other objects and advantages will become apparent from the following description of a preferred embodiment of the invention which is not however limiting.

La présente invention concerne un casque de protection comportant une coque sur laquelle sont montés en rotation un écran et une mentonnière, la portion inférieure de l'écran venant en appui sur une zone de la mentonnière lorsqu'ils sont abaissés et la mentonnière étant relevable autour de l'écran. Suivant l'invention, le casque est tel qu'il comporte des moyens de mobilité additionnelle de l'écran configurés pour approcher ou éloigner son bord inférieur de la trajectoire de relevage de la zone d'appui sur la mentonnière.The present invention relates to a protective helmet comprising a shell on which are rotated a screen and a chinrest, the lower portion of the screen resting on an area of the chinrest when lowered and the chinrest being liftable around of the screen. According to the invention, the helmet is such that it comprises means of additional mobility of the screen configured to approach or move its lower edge of the lifting trajectory of the support zone on the chinrest.

Selon l'invention, ce casque peut se présenter suivant les modes de réalisation préférés introduits ci-après :

  • les moyens de mobilité additionnelle sont des moyens d'inclinaison de l'écran,
  • les moyens d'inclinaison comportent, au niveau de chaque flanc de la coque, une biellette montée pivotante à l'une de ses extrémités sur l'écran et à l'autre extrémité sur l'axe de rotation de l'écran sur la coque,
  • il comporte, au niveau de chaque flanc, un support latéral solidaire de l'écran et présentant un trou oblong de guidage de l'axe de rotation,
  • il comporte des moyens d'asservissement de la mobilité additionnelle de l'écran avec le relèvement de la mentonnière,
  • comporte des moyens d'asservissement de la rotation de l'écran relativement à la coque avec le relèvement de la mentonnière,
  • il comporte des moyens d'asservissement de la rotation et de l'inclinaison de l'écran avec le relèvement de la mentonnière, lesdits moyens comportant :
    • une came montée en rotation sur la coque et des moyens d'entraînement configurés pour entraîner la came en rotation par la rotation de la mentonnière durant une première phase de son relèvement,
    • au moins un doigt solidaire de la came et qui exerce un appui sur une surface d'appui de la biellette de sorte à entraîner la biellette et l'écran en rotation,
    • une cavité formée dans la came et apte à s'appliquer sur une butée haute et une butée basse encadrant le trou oblong de sorte à entraîner le support latéral autour de l'axe de rotation,
  • les moyens d'entraînement comportent un organe d'entraînement solidaire de la came et guidé dans un chemin de déplacement formé dans une pièce d'entraînement solidaire de la mentonnière, ledit chemin de déplacement comportant une partie sensiblement radiale au sein de laquelle l'organe d'entraînement est entraîné en rotation et une partie sensiblement tangentielle au sein de laquelle l'organe d'entraînement n'est pas entraîné en rotation,
  • la came comporte un doigt apte à exercer un appui sur une surface d'appui de la biellette de sorte à entraîner la biellette et l'écran en rotation dans un mouvement de relèvement lorsque la mentonnière est mue en abaissement et que l'écran est abaissé,
  • les moyens d'asservissement de la rotation de l'écran relativement à la coque avec le relèvement de la mentonnière sont configurés pour engendrer une vitesse angulaire plus élevée pour l'écran que pour la mentonnière.
According to the invention, this helmet can be presented according to the preferred embodiments introduced below:
  • the additional mobility means are means for tilting the screen,
  • the tilting means comprise, at each side of the shell, a link pivotally mounted at one of its ends on the screen and at the other end on the axis of rotation of the screen on the hull ,
  • it comprises, at each side, a lateral support secured to the screen and having an oblong hole for guiding the axis of rotation,
  • it comprises means for controlling the additional mobility of the screen with the raising of the chin guard,
  • has means for controlling the rotation of the screen relative to the shell with the raising of the chin guard,
  • it comprises means for controlling the rotation and inclination of the screen with the raising of the chin guard, said means comprising:
    • a cam rotatably mounted on the shell and drive means configured to drive the cam in rotation by the rotation of the chin during a first phase of its raising,
    • at least one finger integral with the cam and which bears against a support surface of the link so as to drive the rod and the screen in rotation,
    • a cavity formed in the cam and adapted to be applied on an upper stop and a lower stop flanking the oblong hole so as to cause the lateral support around the axis of rotation,
  • the drive means comprise a drive member integral with the cam and guided in a path of movement formed in a drive part integral with the chin guard, said displacement path comprising a substantially radial portion within which the member drive is rotated and a substantially tangential part in which the drive member is not rotated,
  • the cam comprises a finger adapted to exert a support on a bearing surface of the rod so as to drive the rod and the screen in rotation in a raising movement when the chinrest is lowered and the screen is lowered ,
  • the means for controlling the rotation of the screen relative to the shell with the raising of the chin guard are configured to generate a higher angular velocity for the screen than for the chinrest.

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.

  • La figure 1 montre une vue latérale d'un casque selon l'invention avec la mentonnière et l'écran abaissés en position active.
  • La figure 2 montre une première phase de mouvement de l'écran et de la mentonnière.
  • La figure 3 montre une phase ultérieure avec une mobilité additionnelle de l'écran.
  • La figure 4 montre une position plus relevée de la mentonnière relativement à la coque.
  • La figure 5 montre un rabaissement de l'écran lorsque la mentonnière est escamotée.
  • La figure 6 illustre le retour de la mentonnière par-dessus la coque et la figure 7 montre une position de mentonnière parvenant jusqu'à sa position abaissée avec une mobilité de l'écran.
  • Les figures 8 à 12 montrent successivement une vue de la biellette, de l'écran, du support latéral, de la came et de la mentonnière coopérant dans l'invention.
The accompanying drawings are given by way of example and are not limiting of the invention. They represent only one embodiment of the invention and will make it easy to understand.
  • The figure 1 shows a side view of a helmet according to the invention with the chinrest and the screen lowered to the active position.
  • The figure 2 shows a first phase of movement of the screen and chin rest.
  • The figure 3 shows a later phase with additional mobility of the screen.
  • The figure 4 shows a more elevated position of the chin strap relative to the hull.
  • The figure 5 shows a lowering of the screen when the chinrest is retracted.
  • The figure 6 illustrates the return of the chin guard over the hull and the figure 7 shows a chin rest position reaching its lowered position with a mobility of the screen.
  • The Figures 8 to 12 show successively a view of the rod, the screen, the lateral support, the cam and the chin cooperating in the invention.

En référence à la figure 1 et de façon connue en soi, l'invention se présente sous la forme d'un casque comportant une coque 1 de protection de la partie antérieure de la tête d'un motocycliste. Au niveau de chaque flanc 6 de la coque 1, des moyens de montage d'une mentonnière 3 et d'un écran 2 sont présents. Plus précisément, la mentonnière 3 et l'écran 2 sont articulés relativement à la coque 1 par l'intermédiaire d'un axe de rotation 5. Dans le cas illustré, il s'agit d'un axe de rotation unique pour la mentonnière et l'écran.With reference to the figure 1 and in a manner known per se, the invention is in the form of a helmet comprising a shell 1 for protecting the front part of the head of a motorcyclist. At each side 6 of the shell 1, means for mounting a chinrest 3 and a screen 2 are present. More specifically, the chinrest 3 and the screen 2 are hinged relative to the shell 1 by means of an axis of rotation 5. In the illustrated case, it is a single axis of rotation for the chin and the screen.

En position abaissée, la portion inférieure de l'écran 2 est en appui sur une zone 4 formée sensiblement sur la partie supérieure de la mentonnière 3. Plus précisément, dans le cas illustré et tel qu'apparaissant en figure 2 notamment, la zone d'appui 4 comporte un rebord 21 devant lequel vient se positionner la portion inférieure de l'écra n 2. Dans ce cas de figure, l'étanchéité et la résistance mécanique de l'ensemble sont très importantes. En effet, la visière 2, dans sa portion inférieure, est parfaitement maintenue par la mentonnière au niveau de la zone d'appui 4 comportant le rebord 21.In the lowered position, the lower portion of the screen 2 is supported on an area 4 formed substantially on the upper part of the chinrest 3. More precisely, in the illustrated case and as appearing in figure 2 in particular, the bearing zone 4 comprises a flange 21 in front of which is positioned the lower portion of the screen 2. In this case, the tightness and strength of the assembly are very important. Indeed, the visor 2, in its lower portion, is perfectly maintained by the chin rest at the bearing zone 4 including the rim 21.

Pour permettre le relèvement de la mentonnière 3 sans frottement sur la surface extérieure de l'écran 2, l'écran 2 possède une mobilité additionnelle permettant d'approcher ou d'éloigner son bord inférieur de la trajectoire de relevage de la zone d'appui 4 de la mentonnière 3.To allow the raising of the chinrest 3 without friction on the outer surface of the screen 2, the screen 2 has an additional mobility to approach or move its lower edge of the lifting trajectory of the support zone 4 of the chin rest 3.

Dans l'exemple représenté, la mobilité additionnelle est une inclinaison de l'écran 2 produite suivant un axe de rotation distinct de l'axe 5.In the example shown, the additional mobility is an inclination of the screen 2 produced along an axis of rotation distinct from the axis 5.

Ainsi, tel que représenté en figure 3, les moyens d'inclinaison permettent une rentrée du bord inférieur de l'écran avant que la mentonnière 3 ne soit amenée à passer au dessus de l'écran 2.Thus, as represented in figure 3 , the tilting means allow a return of the lower edge of the screen before the chinrest 3 is brought to pass above the screen 2.

On a représenté aux différentes figures un exemple de réalisation des moyens d'inclinaison. Dans ce cadre, au niveau de chaque flanc 6 de la coque 1, une biellette 7 est montée pivotante à l'une de ses extrémités sur l'écran 2 et est montée à rotation à son autre extrémité sur l'axe de rotation 5. On comprend alors aisément qu'une mobilité additionnelle en rotation est produite pour l'écran au moyen de cette biellette 7.In the various figures, an exemplary embodiment of the tilting means is shown. In this context, at each flank 6 of the shell 1, a rod 7 is pivotally mounted at one of its ends on the screen 2 and is rotatably mounted at its other end on the axis of rotation 5. It is then easily understood that additional rotational mobility is produced for the screen by means of this rod 7.

Ainsi, lors du mouvement de relèvement de l'écran 2, une rotation autour de l'axe 5 est produite, comme présenté en figure 2, puis ou simultanément, une inclinaison telle que représentée en figure 3.Thus, during the raising movement of the screen 2, a rotation about the axis 5 is produced, as shown in FIG. figure 2 , then or simultaneously, an inclination as represented in figure 3 .

Il est avantageux de limiter les possibilités de débattement angulaire entre la biellette 7 et l'écran 2 de sorte à limiter le mouvement.It is advantageous to limit the possibilities of angular displacement between the rod 7 and the screen 2 so as to limit the movement.

Toujours en référence aux figures, un support latéral 8 est présent au niveau de chaque flanc 6 et est formé de façon solidaire à l'écran 2 dont il peut être le simple prolongement. Le support latéral présente un trou oblong 9 permettant le guidage en son sein de l'axe de rotation 5.Still with reference to the figures, a lateral support 8 is present at each sidewall 6 and is formed integrally with the screen 2 which it can be the simple extension. The lateral support has an oblong hole 9 enabling the axis of rotation 5 to be guided within it.

La mobilité de l'écran 2 tant en rotation autour de l'axe 5 qu'en inclinaison par l'intermédiaire de la biellette 7 peut être produite par une action manuelle de l'utilisateur. Cependant, il est avantageux que le déplacement de l'écran soit engendré automatiquement lors du relèvement de la mentonnière 3.The mobility of the screen 2 both in rotation around the axis 5 and inclination via the link 7 can be produced by a manual action of the user. However, it is advantageous that the displacement of the screen is automatically generated during the raising of the chin guard 3.

On décrit à cet effet ci-après des moyens d'asservissement du déplacement de l'écran 2 tant dans sa rotation relativement à la coque 1 que dans sa mobilité additionnelle en inclinaison. Le cas représenté n'est pas limitatif et l'asservissement pourrait par exemple ne concerner que la mobilité additionnelle ou la rotation de l'écran. Par ailleurs, les moyens d'asservissement ici proposés peuvent convenir à l'entraînement d'un écran 2 ne présentant pas de mobilité additionnelle.To this end, means are described for controlling the displacement of the screen 2 both in its rotation relative to the shell 1 and in its additional mobility in inclination. The case represented is not limiting and the servocontrol could for example concern only the additional mobility or the rotation of the screen. Furthermore, the control means proposed here may be suitable for driving a screen 2 having no additional mobility.

Les moyens d'asservissement ici illustrés présentent des moyens solidaires de la mentonnière 3 aptes à engendrer un effort d'entraînement de l'écran 2 par l'intermédiaire d'une came 10.The servocontrol means illustrated here have means integral with the chin rest 3 capable of generating a drive force of the screen 2 by means of a cam 10.

La came 10 est positionnée entre l'écran 2 et la mentonnière 3 et est masquée par le flanc de la mentonnière 3. La came 10 est montée en rotation sur la coque 1 par un axe 16.The cam 10 is positioned between the screen 2 and the chinrest 3 and is hidden by the side of the chinrest 3. The cam 10 is rotatably mounted on the shell 1 by an axis 16.

Solidairement au flanc de la mentonnière 3, on forme une pièce d'entraînement 19, ici sensiblement circulaire même si cette forme n'est pas limitative, et présentant un chemin de déplacement 14 pour un organe d'entraînement 13 solidaire de la came 10.Solidarity to the side of the chinrest 3, a drive piece 19 is formed, here substantially circular even if this shape is not limiting, and having a path of movement 14 for a drive member 13 integral with the cam 10.

Cette pièce 19 peut être rapportée à la mentonnière 3 ou encore être monobloc avec celle-ci dont elle constitue alors une partie.This piece 19 can be attached to the chinstrap 3 or be monoblock with it which it then constitutes a part.

Le chemin 14 présente une partie radiale 14a qui, lorsque l'organe d'entraînement 13 est positionné dans cette partie, permet à la pièce 19 d'exercer un effort d'entraînement sur la came 10. Le chemin 14 présente également une partie tangentielle 14b dans laquelle, de par l'orientation tangentielle du chemin relativement au sens du mouvement de rotation de la pièce 19, aucun effort n'est transmis à l'organe d'entraînement 13.The path 14 has a radial portion 14a which, when the drive member 13 is positioned in this part, allows the part 19 to exert a driving force on the cam 10. The path 14 also has a tangential portion 14b in which, by the tangential orientation of the path relative to the direction of the rotational movement of the part 19, no force is transmitted to the drive member 13.

Ainsi, la came 10 est entraînée lors d'une première phase de relèvement de la mentonnière 3, lorsque l'organe d'entraînement 13 est présent dans la partie radiale 14a du chemin de déplacement 14 de la pièce 19. Dans une phase ultérieure de relèvement, après la poursuite de la rotation de la pièce 19, l'organe 13 parvient jusqu'à la partie tangentielle 14b du chemin de déplacement 14 de la pièce 19, ce qui ne produit plus de rotation de la came 10.Thus, the cam 10 is driven during a first phase of raising the chinrest 3, when the drive member 13 is present in the radial portion 14a of the displacement path 14 of the part 19. In a subsequent phase of raising, after continuing the rotation of the part 19, the member 13 reaches the tangential portion 14b of the displacement path 14 of the part 19, which no longer produces rotation of the cam 10.

Une cavité 15 est ménagée dans la came 10 de sorte à former une paroi d'application et de guidage pour des butées haute 17 et basse 18 réalisées en relief aux deux extrémités du trou oblong 9 du support latéral 8.A cavity 15 is formed in the cam 10 so as to form an application wall and guide for high stops 17 and low 18 made in relief at both ends of the oblong hole 9 of the lateral support 8.

La coopération des butées 17, 18 et de la cavité 15 assure l'évolution de la position du support latéral 8 par rapport à l'axe de rotation 5. En figure 1, l'axe de rotation 5 se situe au niveau de la butée haute 17, ce qui produit une position active dans laquelle la biellette 7 et le support latéral 8 ne sont pas inclinés relativement. En figure 2, l'axe 5 a évolué dans le trou oblong 9 et parvient, en figure 3, jusqu'à la butée basse 18. Dans cette dernière situation, l'inclinaison de l'écran est maximale, ce que révèle le décalage angulaire de la biellette 7 par rapport au support latéral 8.The cooperation of the abutments 17, 18 and the cavity 15 ensures the evolution of the position of the lateral support 8 with respect to the axis of rotation 5. figure 1 , the axis of rotation 5 is at the level of the upper stop 17, which produces an active position in which the rod 7 and the lateral support 8 are not relatively inclined. In figure 2 , the axis 5 evolved in the oblong hole 9 and arrives, in figure 3 up to the bottom stop 18. In the latter situation, the inclination of the screen is maximum, which reveals the angular offset of the rod 7 relative to the lateral support 8.

Outre l'inclinaison ainsi produite pour l'écran 2, la came 10 permet le relèvement de l'écran 2 autour de la coque 1.In addition to the inclination thus produced for the screen 2, the cam 10 allows the raising of the screen 2 around the shell 1.

A cet effet, la came 10 comporte un doigt 11 situé vers son bord supérieur et apte à exercer un effort sur une surface d'appui 22 en forme de crochet formée sur la biellette 7 de sorte à ce que le doigt 11 pousse sur la surface 22 lorsque la came 10 est activée en rotation par un relèvement de la mentonnière 3. La figure 2 montre cette phase de poussée.For this purpose, the cam 10 comprises a finger 11 located towards its upper edge and able to exert a force on a bearing surface 22 in the form of a hook formed on the rod 7 so that the finger 11 pushes on the surface 22 when the cam 10 is activated in rotation by a raising of the chinrest 3. The figure 2 shows this push phase.

Après le relèvement complet de l'écran 2, une butée non représentée est avantageusement constituée pour limiter le relèvement.After the complete raising of the screen 2, an abutment (not shown) is advantageously constituted to limit the bearing.

A titre avantageux, on configure les différents éléments cinématiques du système ici décrit pour provoquer un déplacement angulaire plus rapide de l'écran 2 relativement à la mentonnière 3. Cela se produit, en particulier, par positionnement du point de contact doigt 11 / surface 22 à proximité de l'axe de rotation 5 de sorte à générer un déplacement angulaire important à partir d'un faible déplacement tangentiel des éléments d'entraînement.Advantageously, the various kinematic elements of the system described here are configured to cause a faster angular displacement of the screen 2 relative to the chinrest 3. This occurs, in particular, by positioning the finger contact point 11 / surface 22 near the axis of rotation 5 so as to generate a large angular displacement from a small tangential displacement of the drive elements.

Le cas illustré correspond à ce mode de réalisation.The illustrated case corresponds to this embodiment.

Les figures 1 à 7 montrent des phases successives d'utilisation du caque de protection ici décrit.The Figures 1 to 7 show successive phases of use of the protective shell described here.

Ainsi, en figure 1, la mentonnière 3 et l'écran 2 sont en position abaissée de protection active.So, in figure 1 , the chinrest 3 and the screen 2 are in the lowered position of active protection.

En figure 2, l'utilisateur a amorcé un relèvement de la mentonnière, ce qui produit, plus rapidement, un relèvement de l'écran 2.In figure 2 , the user has begun raising the chinrest, which produces, more quickly, a raising of the screen 2.

Au stade de la figure 3, après un relèvement de l'écran 2 suivant l'axe 5, ce dernier subit une mobilité additionnelle permettant de faire rentrer son bord inférieur relativement à la trajectoire de relèvement de la zone d'appui 4 de la mentonnière 3.At the stage of figure 3 , after raising the screen 2 along the axis 5, the latter undergoes additional mobility allowing its lower edge to return relative to the bearing trajectory of the bearing zone 4 of the chinrest 3.

La mentonnière 3 peut alors être librement relevée sans aucun frottement sur l'écran 2.The chinrest 3 can then be freely raised without any friction on the screen 2.

On peut par exemple parvenir jusqu'à la position illustrée en figure 4.For example, you can reach the position illustrated in figure 4 .

On a représenté en figure 5 une possibilité selon laquelle l'utilisateur utilise le casque en position « jet » dans laquelle l'écran 2 est rabattu mais la mentonnière 3 reste inactive.We have shown in figure 5 a possibility that the user uses the headset in "jet" position in which the screen 2 is folded but the chinrest 3 remains inactive.

En figure 6, l'utilisateur a, suite à cette position, opéré un rabaissement de la mentonnière 3. Au retour de la mentonnière 3, l'organe d'entraînement 13 reprend la portion tangentielle 14b du chemin 14 jusqu'au moment où il retrouve la partie radiale 14a qui lui est sensiblement perpendiculaire. Cela provoque l'action inverse de basculement de la came 10 vers le bas de façon rapide.In figure 6 the user has, following this position, made a lowering of the chinrest 3. Upon return of the chinrest 3, the drive member 13 resumes the tangential portion 14b of the path 14 until the moment it finds the part radial 14a which is substantially perpendicular thereto. This causes the reverse action of tilting the cam 10 down quickly.

Pour permettre un retour de la mentonnière 3 en position abaissée alors que l'écran 2 est déjà abaissé, un mécanisme permet le relevage préalable de l'écran, tel que montré en figure 6.To allow a return of the chinrest 3 in the lowered position while the screen 2 is already lowered, a mechanism allows the prior lifting of the screen, as shown in FIG. figure 6 .

Plus précisément, un doigt 12 est formé sur la came 10 pour coopérer avec une surface 23 formée à l'arrière de la biellette 7 de sorte que le doigt 12 pousse la surface 23 lorsque la came 10 est actionnée en rotation par abaissement de la mentonnière 3.More specifically, a finger 12 is formed on the cam 10 to cooperate with a surface 23 formed at the rear of the rod 7 so that the finger 12 pushes the surface 23 when the cam 10 is actuated in rotation by lowering the chin guard 3.

En fin de rotation, le doigt 12 s'échappe de la surface 23 permettant alors à l'écran 2 d'être rabaissé et appliqué sur la zone 4.At the end of rotation, the finger 12 escapes from the surface 23, allowing the screen 2 to be lowered and applied to the zone 4.

On retrouve alors la position initiale présentée à la figure 1 et à la figure 7.We then find the initial position presented to the figure 1 and at the figure 7 .

En position basse, la mentonnière 3 est maintenue en position par une butée inférieure telle un ergot 24. Un système de verrouillage est avantageusement prévu pour fixer en position la mentonnière dans cette position.In the low position, the chinrest 3 is held in position by a stop Such a locking system is advantageously provided for fixing the chinrest in this position.

REFERENCESREFERENCES

  • 1. Coque1. Hull
  • 2. Ecran2. Screen
  • 3. Mentonnière3. Chinrest
  • 4. Zone d'appui4. Support area
  • 5. Axe de rotation5. Rotation axis
  • 6. Flanc de coque6. Hull side
  • 7. Biellette7. Rod
  • 8. Support latéral8. Lateral support
  • 9. Trou oblong du support latéral9. Oblong hole of lateral support
  • 10. Came10. Cam
  • 11. Doigt11. Finger
  • 12. Doigt12. Finger
  • 13. Organe d'entraînement13. Training device
  • 14. Chemin de déplacement
    • 14a. Partie radiale
    • 14b. Partie tangentielle
    14. Path of displacement
    • 14a. Radial part
    • 14b. Tangential part
  • 15. Cavité15. Cavity
  • 16. Axe de rotation de came16. Cam rotation axis
  • 17. Butée haute17. High stop
  • 18. Butée basse18. Low stop
  • 19. Pièce d'entraînement19. Training room
  • 21. Rebord21. Edge
  • 22. Surface d'appui de relevage22. Lift support surface
  • 23. Surface d'appui d'abaissement23. Lowering bearing surface
  • 24. Ergot24. Ergot

Claims (11)

  1. Protective helmet consisting of a shell (1) on which are rotatably mounted a visor (2) and a chin strap (3), the lower portion of visor (2) being urged to rest on a zone (4) of chin strap (3) when they are lowered, with chin strap (3) capable of being raised around visor (2), characterized in that it comprises means providing additional mobility of visor (2) configured to approach or move away its lower edge from the raising trajectory of support zone (4) on chin strap (3).
  2. Helmet according to the claim 1 in which the additional mobility means are means for inclining visor (2).
  3. Helmet according to the claim 2 in which the means of inclination comprise, on each side (6) of shell (1), a rod (7) assembled to swivel on visor (2) at one of its ends, and the other end on the rotational axis (5) of visor (2) on shell (1).
  4. Helmet according to the claim 3 which includes, on each side (6), a lateral support (8) joined to visor (2), with an oblong hole (9) to guide axis of rotation (5).
  5. Helmet according to any of the claims 1 to 4 which includes means for interlocking the additional mobility of visor (2) to raising of chin strap (3).
  6. Helmet according to any of the claims 1 to 5 which includes means for controlling the rotation of visor (2) relative to shell (1) by raising chin strap (3).
  7. Helmet according to the claim 4 which includes interlocking means for controlling in rotation and inclination visor (2) with raising of chin strap (3), the said means comprising: a cam (10) rotatably mounted on shell (1) and drive means configured to rotatably drive cam (10) by the rotation of chin strap (3) during a first phase of its raising, at least one finger (11) joined to cam (10) which presses on a bearing surface (22) of rod (7) so as to drive rod (7) and visor (2) rotatably, a cavity (15) formed in cam (10) that can be applied on an upper stop (17) and a lower stop (18) forming the limits of oblong hole (9) so as to drive lateral support (8) around the axis of rotation.
  8. Helmet according to claim 7 in which the drive means comprise a drive body (13) joined to cam (10) and guided in a track (14) formed in a drive part (19) joined to chin strap (3), the said track (14) comprising an appreciably radial part (14a) within which drive body (13) is driven rotatably and a roughly tangential part (14b) within which drive body (13) is not driven rotatably.
  9. Helmet according to claim 7 or claim 8 in which cam (10) has a finger (12) that can exert a pressure on bearing surface (23) of rod (7) so as to drive rod (7) and visor (2) rotatably in an upward movement when chin strap (3) moves downwards and visor (2) is lowered.
  10. Helmet according to any of claims 6 to 9 in which the means for interlocking visor (2) in rotation relative to shell (1) with raising of chin strap (3) are configured to generate higher angular speed for visor (2) than for chin strap (3).
  11. Helmet, according to any of preceding claims in which visor (2) and chin strap (3) have the same axis of rotation (5) in relation to shell (1).
EP06763300A 2005-06-03 2006-05-26 Mobile protective helmet with mobile visor Active EP1887898B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0551488A FR2886521B1 (en) 2005-06-03 2005-06-03 HELMET FOR MOBILE VISOR PROTECTION
PCT/EP2006/062641 WO2006128833A1 (en) 2005-06-03 2006-05-26 Mobile protective helmet with mobile visor

Publications (2)

Publication Number Publication Date
EP1887898A1 EP1887898A1 (en) 2008-02-20
EP1887898B1 true EP1887898B1 (en) 2010-06-16

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US (1) US8082600B2 (en)
EP (1) EP1887898B1 (en)
JP (1) JP4792080B2 (en)
CN (1) CN100559985C (en)
AT (1) ATE471087T1 (en)
CA (1) CA2609525C (en)
DE (1) DE602006014963D1 (en)
FR (1) FR2886521B1 (en)
WO (1) WO2006128833A1 (en)

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Publication number Publication date
JP4792080B2 (en) 2011-10-12
EP1887898A1 (en) 2008-02-20
JP2008542564A (en) 2008-11-27
WO2006128833A1 (en) 2006-12-07
CA2609525A1 (en) 2006-12-07
FR2886521A1 (en) 2006-12-08
FR2886521B1 (en) 2007-09-07
US8082600B2 (en) 2011-12-27
CN100559985C (en) 2009-11-18
ATE471087T1 (en) 2010-07-15
CA2609525C (en) 2014-10-14
US20080196148A1 (en) 2008-08-21
CN101212913A (en) 2008-07-02
DE602006014963D1 (en) 2010-07-29

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