EP0134183B1 - Retaining device for safety helmets for motor-cyclists - Google Patents

Retaining device for safety helmets for motor-cyclists Download PDF

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Publication number
EP0134183B1
EP0134183B1 EP84430029A EP84430029A EP0134183B1 EP 0134183 B1 EP0134183 B1 EP 0134183B1 EP 84430029 A EP84430029 A EP 84430029A EP 84430029 A EP84430029 A EP 84430029A EP 0134183 B1 EP0134183 B1 EP 0134183B1
Authority
EP
European Patent Office
Prior art keywords
chin strap
fact
helmet
rear hoop
pivots
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.)
Expired
Application number
EP84430029A
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German (de)
French (fr)
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EP0134183A1 (en
Inventor
Jean Gessalin
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.)
Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AT84430029T priority Critical patent/ATE23100T1/en
Publication of EP0134183A1 publication Critical patent/EP0134183A1/en
Application granted granted Critical
Publication of EP0134183B1 publication Critical patent/EP0134183B1/en
Expired legal-status Critical Current

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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
    • A42B3/326—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
    • A42B3/08—Chin straps or similar retention devices

Definitions

  • the object of the invention relates to a securing device for a protective helmet for motorcyclists and the like according to the preamble of claim 1, which is known from document BE-A-896 087.
  • the securing devices consisted of a chin strap that was placed under the chin with an adjustment loop to ensure its tightening.
  • the device did not prevent the helmet from being torn off in the event of a violent shock directed from back to front in the event of a fall. If this chin strap was placed as close as possible to the larynx, with significant tension, it caused discomfort to the user.
  • chin straps exert at the point of their anchoring, on each side of the helmet, a force clearly offset relative to the transverse median plane of the wearer's cranial box, which gives rise to a tensile torque during a shock to be made. tilt the helmet around an axis passing substantially through the wearer's ears.
  • the device according to the invention eliminates these drawbacks and fully assures the helmet of its protective role of the cranium whatever the stresses which it undergoes during a shock or several successive omnidirectional shocks.
  • the device comprises (FIG. 1) a front chin strap 1 and a hoop FIG. 1 rear 2 pivoting on the fixed points 3, 4.
  • the chin strap 1 pivots on the two pivots integral with the shell and placed inside symmetrically with respect to the median plane of the latter, but at its front part.
  • the chin strap 1 ( Figure 1, 2) has two fingers 5, 5 'projecting inwardly and engaging in two corresponding oblong slots 6 formed in the arch 2. This synchronization device allows to obtain that when 'the chin strap 1 is printed with a pivoting of a certain amplitude, the rear arch 2 pivots by a corresponding angle.
  • the chin strap 1 has on its internal facing a shock absorbing lining 7 also serving to take up play for the adjustment, according to the different morphologies of the users.
  • the rear roll bar has a neck cushion 8 which hugs the underside of the neck when the chin strap is in place.
  • the locking device in FIG. 1 (FIG. 4, 5, 6, 7, 8) consists of the toothed sector 9 of substantially triangular shape and the apex of which is positioned by the orifice 10 and the screw 11, which fixes the pivot 3 on the shell 20; more this toothed sector 9 is made integral with the shell 20 and thus immobilized in rotation by gluing or sealing on the latter.
  • the side opposite this vertex forms a circular arc of determined radius which includes a rack 12 with radius corresponding to the radius of the circular arc and the teeth of which are oriented towards the center of the sector.
  • Each branch of the chin strap 1 has on its outer part a groove 13, 13 ′ of rectangular section opening downwards and placed in the axis of the pin 14, 14 ′ for pivoting the chin strap.
  • this groove 13 slides a latch 15 having at its middle part a notch at mid thickness 16 of which one of the edges, the upper, has a toothing 17 corresponding to that of the rack 12 and the other the lower 18 has a arc of a radius corresponding to that of the base of the part 9 increased by a length slightly greater than the toothing height of the rack 12, the latch 15 being placed in the groove 13, under the action of the spring 19, the teeth 17 of the latch 15 are engaged in that 12 of the sector 9 and the chin strap 1 can no longer pivot.
  • the rear hoop 2 which is integral with the pivoting of the chin strap 1 is also immobilized.
  • this device prevents any movement of the helmet relative to the head and therefore provides undeniable comfort, if only by the invariable positioning of the front opening, which avoids any partial obstruction of the field of view. visibility.
  • this device can be used for so-called “integral” helmets whose opening at the head is a closed oval, as well as on so-called “enveloping” helmets, whose shell is entirely open on the front part.

Abstract

A fastening device for protective helmets for motorcyclists and other helmet wearers includes a journalled front chin strap which is integrated with a rear arch. The chin strap pivots on two fixed points located inside of the helmet. The arch also pivots around fixed points inside of the helmet so that the chin strap and arch move synchronously. The means for synchronization includes two fingers located inside the chin strap which engage the rear arch.

Description

L'objet de l'invention concerne un dispositif d'assujettissement pour casque de protection pour motocyclistes et similaires selon la préambule de la revendication 1, qui est connue du document BE-A-896 087.The object of the invention relates to a securing device for a protective helmet for motorcyclists and the like according to the preamble of claim 1, which is known from document BE-A-896 087.

Il est destiné à éviter l'arrachement du casque en cas de choc et à assurer sa stabilisation automatique au moment de sa mise en place.It is intended to prevent the helmet from being torn off in the event of an impact and to ensure its automatic stabilization when it is put in place.

Jusqu'à ce jour, les dispositifs d'assujettissement consistaient en une jugulaire qu'on plaçait sous le menton avec boucle de réglage pour assurer son serrage. Le dispositif n'empêchait pas l'arrachement du casque en cas de choc violent dirigé d'arrière en avant en cas de chute. Si cette jugulaire était placée le plus près possible du larynx, avec une tension importante, elle occasionait une gêne à l'usager.Until now, the securing devices consisted of a chin strap that was placed under the chin with an adjustment loop to ensure its tightening. The device did not prevent the helmet from being torn off in the event of a violent shock directed from back to front in the event of a fall. If this chin strap was placed as close as possible to the larynx, with significant tension, it caused discomfort to the user.

De plus, de telles jugulaires exercent au point de leur ancrage, de chaque côté du casque, une force nettement déportée par rapport au plan médian transversal de la boîte cranienne du porteur, ce qui fait naître un couple tendant lors d'un choc à faire basculer le casque autour d'un axe passant sensiblement par les oreilles du porteur.In addition, such chin straps exert at the point of their anchoring, on each side of the helmet, a force clearly offset relative to the transverse median plane of the wearer's cranial box, which gives rise to a tensile torque during a shock to be made. tilt the helmet around an axis passing substantially through the wearer's ears.

Le dispositif suivant l'invention supprime ces inconvénients et assure pleinement au casque son rôle protecteur de la boîte cranienne quelles que soient les contraintes qu'il subit au cours d'un choc ou de plusieurs chocs successifs omnidirectionnels.The device according to the invention eliminates these drawbacks and fully assures the helmet of its protective role of the cranium whatever the stresses which it undergoes during a shock or several successive omnidirectional shocks.

Il se caractérise par la combinaison d'une jugulaire avant articulée pivotant sur deux points fixes placés à l'intérieur du casque avec un arceau arrière pivotant également autour de deux points fixes placés à l'intérieur du casque, étant précisé que ces deux éléments sont synchronisés dans leur pivotement par deux doigts placés à l'intérieur de la jugulaire et s'engageant dans des lumières oblongues pratiquées dans l'arceau arrière.It is characterized by the combination of an articulated front chinstrap pivoting on two fixed points placed inside the helmet with a rear hoop also pivoting around two fixed points placed inside the helmet, it being specified that these two elements are synchronized in their pivoting by two fingers placed inside the chin strap and engaging in oblong slots made in the rear arch.

Sur les dessins annexés donnés à titre d'exemple non limitatif d'une des formes de réalisation de l'objet de l'invention:

  • la figure 1 est une vue en élévation latérale du dispositif d'assujettissement;
  • les figures 2 et 3 montrent vu en perspective le détail constructif des jugulaires et arceau pivotants;
  • la figure 4 montre vu en élévation le dispositif de verrouillage;
  • la figure 5 est une vue en coupe du dispositif de verrouillage;
  • la figure 6 est une vue en coupe suivant la ligne A, B du dispositif de verrouillage;
  • la figure 7 est une vue en perspective du secteur denté;
  • la figure 8 représente vu en perspective de loqueteau de verrouillage.
In the appended drawings given by way of nonlimiting example of one of the embodiments of the subject of the invention:
  • Figure 1 is a side elevational view of the securing device;
  • Figures 2 and 3 show a perspective view of the constructive detail of the pivoting chin straps and hoop;
  • Figure 4 shows in elevation the locking device;
  • Figure 5 is a sectional view of the locking device;
  • Figure 6 is a sectional view along line A, B of the locking device;
  • Figure 7 is a perspective view of the toothed sector;
  • Figure 8 shows a perspective view of the locking latch.

Le dispositif comporte (figure 1) une jugulaire avant 1 et un arceau la figure 1 arrière 2 pivotant sur les points fixes 3, 4.The device comprises (FIG. 1) a front chin strap 1 and a hoop FIG. 1 rear 2 pivoting on the fixed points 3, 4.

La jugulaire 1 pivote sur les deux pivots solidaires de la coque et placés à l'intérieur symétriquement par rapport au plan médian de cette dernière, mais à sa partie avant.The chin strap 1 pivots on the two pivots integral with the shell and placed inside symmetrically with respect to the median plane of the latter, but at its front part.

La jugulaire 1 (figure 1, 2) comporte deux doigts 5, 5' faisant saillie vers l'intérieur et venant s'engager dans deux lumières oblongues 6 correspondantes pratiquées dans l'arceau 2. Ce dispositif de synchronisation permet d'obtenir que lorsqu'on imprime à la jugulaire 1 un pivotement d'une certaine amplitude, l'arceau 2 arrière pivote d'un angle correspondant. La jugulaire 1 comporte sur son parement interne une garniture amortisseuse 7 servant également de rattrapage de jeu pour l'ajustement, suivant les différentes morphologies des usagers. L'arceau arrière comporte un coussin de nuque 8 qui vient épouser le dessous de la nuque lorsque le jugulaire est en place.The chin strap 1 (Figure 1, 2) has two fingers 5, 5 'projecting inwardly and engaging in two corresponding oblong slots 6 formed in the arch 2. This synchronization device allows to obtain that when 'the chin strap 1 is printed with a pivoting of a certain amplitude, the rear arch 2 pivots by a corresponding angle. The chin strap 1 has on its internal facing a shock absorbing lining 7 also serving to take up play for the adjustment, according to the different morphologies of the users. The rear roll bar has a neck cushion 8 which hugs the underside of the neck when the chin strap is in place.

Le dispositif de verrouillage figure 1 (figure 4, 5, 6, 7, 8) est constitué par le secteur denté 9 de forme sensiblement triangulaire et dont le sommet est positionné par l'orifice 10 et la vis 11, qui fixe le pivot 3 sur la coque 20; de plus ce secteur denté 9 est rendu solidaire de la coque 20 et ainsi immobilisé en rotation par collage ou scellement sur cette dernière. Le côté opposé à ce sommet forme un arc de cercle de rayon déterminé qui comporte une crémaillère 12 à rayon correspondant au rayon de l'arc de cercle et dont la denture est orientée vers le centre du secteur.The locking device in FIG. 1 (FIG. 4, 5, 6, 7, 8) consists of the toothed sector 9 of substantially triangular shape and the apex of which is positioned by the orifice 10 and the screw 11, which fixes the pivot 3 on the shell 20; more this toothed sector 9 is made integral with the shell 20 and thus immobilized in rotation by gluing or sealing on the latter. The side opposite this vertex forms a circular arc of determined radius which includes a rack 12 with radius corresponding to the radius of the circular arc and the teeth of which are oriented towards the center of the sector.

Chaque branche de la jugulaire 1 comporte sur sa partie extérieure une rainure 13, 13' de section rectangulaire débouchant vers le bas et placée dans l'axe du tourillon 14, 14' de pivotement de la jugulaire. Dans cette rainure 13 coulisse un loqueteau 15 comportant à sa partie médiane une entaille à mi épaisseur 16 dont l'un des bords, le supérieur, a une denture 17 correspondant à celle de la crémaillère 12 et l'autre l'inférieur 18 comporte un arc de cercle de rayon correspondant à celui de la base de la pièce 9 augmenté d'une longueur légèrement supérieure à la hauteur de denture de la crémaillère 12, le loqueteau 15 étant placé dans la rainure 13, sous l'action du ressort 19, la denture 17 du loqueteau 15 se trouve engagé dans celle 12 du secteur 9 et la jugulaire 1 ne peut plus pivoter.Each branch of the chin strap 1 has on its outer part a groove 13, 13 ′ of rectangular section opening downwards and placed in the axis of the pin 14, 14 ′ for pivoting the chin strap. In this groove 13 slides a latch 15 having at its middle part a notch at mid thickness 16 of which one of the edges, the upper, has a toothing 17 corresponding to that of the rack 12 and the other the lower 18 has a arc of a radius corresponding to that of the base of the part 9 increased by a length slightly greater than the toothing height of the rack 12, the latch 15 being placed in the groove 13, under the action of the spring 19, the teeth 17 of the latch 15 are engaged in that 12 of the sector 9 and the chin strap 1 can no longer pivot.

L'arceau arrière 2 qui est solidaire du pivotement de la jugulaire 1 se trouve également immobilisé.The rear hoop 2 which is integral with the pivoting of the chin strap 1 is also immobilized.

Pour retrouver la liberté de pivotement des deux éléments 1 et 2, il suffit d'appuyer simultanément suivant la flèche F, figure 5, sur les deux loqueteaux 15. Une fois le casque en place sur la tête, il suffit à l'aide des deux pouces de presser simultanément suivant la flèche F sur les deux loqueteaux 15, tout en imprimant à la jugulaire 1 le mouvement de pivotement pour la mettre en place. En relachant la pression des deux pouces, les éléments de rétention se trouvent verrouillés à la position choisie.To regain the freedom of pivoting of the two elements 1 and 2, it suffices to press simultaneously along the arrow F, FIG. 5, on the two latches 15. Once the helmet in place on the head, it suffices using the two inches of pressing simultaneously according to arrow F on the two latches 15, while imparting to the chin strap 1 the pivoting movement to put it in place. By releasing the pressure of the two inches, the retention elements are locked in the chosen position.

Pour quitter le casque, il suffit de répéter la pression des deux pouces et de faire pivoter la jugulaire vers l'avant. En relachant les deux pouces, les éléments de rétention se trouvent verrouillés dans la position d'ouverture et il est aisé d'enlever le casque sans être gêné par la retombée de la jugulaire et de l'arceau arrière.To leave the helmet, simply repeat the pressure of the two inches and rotate the chin strap forward. By releasing the two thumbs, the retention elements are locked in the open position and it is easy to remove the helmet without being bothered by the fall of the chin strap and the rear arch.

On se rend compte que le casque une fois assujetti ne peut en aucune façon être arraché par une sollicitation accidentelle, si ce n'est celle du déverrouillage par action simultanée sur les deux loqueteaux. Si lors d'un choc accidentel sur l'un des côtés, un des loqueteaux est enfoncé, ou l'un des verrous est détruit, l'autre verrou maintiendra suffisamment le casque pour l'empêcher de quitter la tête du porteur, d'où sécurité pratiquement absolue.We realize that the helmet once secured can in no way be torn off by an accidental solicitation, except that of unlocking by simultaneous action on the two latches. If during an accidental impact on one of the sides, one of the latches is pressed, or one of the locks is destroyed, the other lock will hold the helmet sufficiently to prevent it from leaving the wearer's head, hence virtually absolute security.

En plus de la sécurité, ce dispositif empêche tout déplacement du casque par rapport à la tête et assure de ce fait un confort incontestable, ne serait-ce que par le positionnement invariable de l'ouverture avant, qui évite toute obstruction partielle du champ de visibilité.In addition to safety, this device prevents any movement of the helmet relative to the head and therefore provides undeniable comfort, if only by the invariable positioning of the front opening, which avoids any partial obstruction of the field of view. visibility.

Enfin, ce dispositif peut être utilisé pour les casques dits «intégrals» dont l'ouverture d'entrée de tête est un ovale fermé, aussi bien que sur les casques dits «enveloppants», dont la coque est entièrement ouverte sur la partie avant.Finally, this device can be used for so-called “integral” helmets whose opening at the head is a closed oval, as well as on so-called “enveloping” helmets, whose shell is entirely open on the front part.

Toutefois les formes, dimensions et dispositions des différents éléments pourront varier dans la limite des équivalents comme d'ailleurs les matières utilisées pour leur fabrication, sans changer pour cela la conception générale de l'invention qui vient d'être décrite.However, the shapes, dimensions and arrangements of the various elements may vary within the limit of the equivalents, as moreover the materials used for their manufacture, without thereby changing the general conception of the invention which has just been described.

Claims (6)

1. A fastening device for protective helmets for motocyclists and others, intended to avoid tearing away of the helmet in the case of a shock and for ensuring automatic stabilization thereof when putting it on, comprising in combination a mobile front chin strap (1) and a mobile rear hoop (2), these two elements (1) and (2) being interlocked and synchronized in their movement characterized in that the front chin strap (1) pivots on two fixed points (3) placed inside the helmet (20) and that the rear hoop (2) also pivots about two fixed points (4), these two elements (1) and (2) being synchronized in their movement by two fingers (5, 5') placed inside the chin strap and engaging in oblong apertures (6, 6') formed in the rear hoop.
2. Device according to claim 1, characterized by the fact that the chip strap (1) comprises a shock absorbing lining (7) and that the rear hoop (2) is provided with a shock absorbing pad (8).
3. Device according to claim 1, characterized by the fact that the double locking device is formed by a toothed sector (9) having a centering orifice (10) receiving the screw (11) fixing the pivot (3) to the shell (20), the sector (9) being further integral with the shell (20).
4. Device according to claim 1, characterized by the fact that the piece (9) comprises a rack portion (12) whose radius corresponds to that of the basic arc of a circle.
5. Device according to claim 1, characterized by the fact that the chin strap comprises a groove (13, 13') of rectangular section, placed in the axis of the pivot pins (14, 14') and in which slides the latch (15) provided with a notch (16) one face of which has a toothed portion (17) and the other a smooth ramp (18) in the form of an arc of a circle with radius slightly greater than that corresponding to the base of the piece (9).
6. Device according to claim 1, characterized by the fact that the latch (15) in position in the groove (13) is subject to the action of the spring (19).
EP84430029A 1983-08-19 1984-08-07 Retaining device for safety helmets for motor-cyclists Expired EP0134183B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT84430029T ATE23100T1 (en) 1983-08-19 1984-08-07 FIXING DEVICE FOR MOTORCYCLE HELMETS.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8313579 1983-08-19
FR8313579A FR2550692B1 (en) 1983-08-19 1983-08-19 LOCKING DEVICE FOR PROTECTIVE HELMET FOR MOTORCYCLISTS AND THE LIKE

Publications (2)

Publication Number Publication Date
EP0134183A1 EP0134183A1 (en) 1985-03-13
EP0134183B1 true EP0134183B1 (en) 1986-10-29

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ID=9291754

Family Applications (1)

Application Number Title Priority Date Filing Date
EP84430029A Expired EP0134183B1 (en) 1983-08-19 1984-08-07 Retaining device for safety helmets for motor-cyclists

Country Status (6)

Country Link
US (1) US4641382A (en)
EP (1) EP0134183B1 (en)
JP (1) JPS6094610A (en)
AT (1) ATE23100T1 (en)
DE (1) DE3461050D1 (en)
FR (1) FR2550692B1 (en)

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Also Published As

Publication number Publication date
FR2550692B1 (en) 1986-06-13
US4641382A (en) 1987-02-10
JPS6094610A (en) 1985-05-27
FR2550692A1 (en) 1985-02-22
EP0134183A1 (en) 1985-03-13
DE3461050D1 (en) 1986-12-04
ATE23100T1 (en) 1986-11-15

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