WO2002049885A1 - Shock-absorber device for vehicle - Google Patents

Shock-absorber device for vehicle Download PDF

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Publication number
WO2002049885A1
WO2002049885A1 PCT/FR2001/004015 FR0104015W WO0249885A1 WO 2002049885 A1 WO2002049885 A1 WO 2002049885A1 FR 0104015 W FR0104015 W FR 0104015W WO 0249885 A1 WO0249885 A1 WO 0249885A1
Authority
WO
WIPO (PCT)
Prior art keywords
seat
walls
elements
belt
vehicle
Prior art date
Application number
PCT/FR2001/004015
Other languages
French (fr)
Inventor
Eric Nollo
Original Assignee
Eric Nollo
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
Priority claimed from FR0016825A external-priority patent/FR2818216A1/en
Application filed by Eric Nollo filed Critical Eric Nollo
Priority to AU2002225083A priority Critical patent/AU2002225083A1/en
Publication of WO2002049885A1 publication Critical patent/WO2002049885A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/30—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium with solid or semi-solid material, e.g. pasty masses, as damping medium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/28—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/28—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
    • B60R2022/282—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices using fluids or vico-elastic materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00—Safety belts or body harnesses in vehicles
    • B60R22/28—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices
    • B60R2022/286—Safety belts or body harnesses in vehicles incorporating energy-absorbing devices using deformation of material

Definitions

  • the invention relates to a shock absorbing device adaptable to a seat belt and / or to a seat of any type of vehicle.
  • the device according to the invention is essentially characterized in that it comprises a means capable of developing a resistance to compression or to stretching and a set of two elements sliding relative to one another and having walls facing capable of compressing or stretching said means, placed between said facing walls, when a tensile force is exerted, by the belt and / or by the displacement of the seat under the effect of an impact, on said two elements.
  • the device in question is intended to be placed at any point on the belt and / or between the latter and a point on the chassis or bodywork.
  • It can also be placed between the seat and a point on the chassis or bodywork to act alone or in combination with that placed on the belt.
  • - Figure 1 is a simplified profile view of the device according to the invention in the version operating under compression
  • - Figure 2 is a simplified profile view of said device in the version operating in stretching
  • FIG. 3 is a perspective view of the sliding elements constituting the device according to the invention according to a particular embodiment thereof.
  • the device shown in the figures comprises means (1, 2) capable of developing resistance to compression (1) or to stretching (2) and a set of two elements (3) and (4) sliding one by relative to each other and having facing walls (3A, 3B) and (4 A) able to compress, walls (3B) and (4A), or to stretch, walls (3A) and (4A), said means ( 1, 2), placed between said facing walls, when a tensile force (F) is exerted, by the belt (5), on said two elements (3,4).
  • the elastic resistance of the means (1, 2) can be progressive, degressive or both between the start and the end of its compression or of its stretching.
  • the elements (3) and (4) may include a means enabling them to be unlocked in the event of an impact.
  • the means (1, 2) is: - a spring working in compression (1) or in tension (2); - a body working on crushing (1) or stretching (2) (solid or fluid). According to other features of the invention:
  • the elements (3) and (4) comprise a means (6), of the stop type, capable of limiting the stroke of their relative displacement, said stop having a position depending on the type of means (1,2) used;
  • the elements (3) and (4) comprise means (7) of the passage opening type, capable of allowing their fixing at any point of the belt (4);
  • - one of the elements (3,4) comprises a means (8), of the hole type, capable of allowing its fixing, by means of a screw or a bolt, at any point of the seat.
  • the device according to the invention can be associated with another device, mechanical or electronic, capable of modifying the resistance of the means (1, 2) as a function of the speed of the vehicle and the weight of the user so as to come, in frontal impact, always at the maximum stroke limit.
  • the device according to the invention can also be placed between the seat and the chassis or body of the vehicle to act in combination with that or those placed on the seat belt.
  • the seat includes a means allowing it to be unlocked in the event of an impact. However, it must be able to stabilize definitively whatever the level of movement it has reached.
  • the actuation process for the assembly is as follows: - belt tension then unlocking of the seat;
  • Elements (3) and (4) can be of the type shown in FIG. 3 and each comprise 4 orthogonal walls, the walls (3A), (3B), (4A) and (4B) which are parallel to each other, the wall (4B) being connected to the rest of the element (4) by arms (9, 10) sliding inside openings made on the wall (3B).
  • the steering wheel and the pedals include a means capable of allowing their displacement in the event of a frontal impact as well as possibly the passenger airbags;
  • the seat, the steering wheel and the pedals include a means capable of allowing their simultaneous movement in the event of a frontal impact.
  • the weight of the user can be determined by preprogramming or by sensors placed on the seat.
  • the seat In order for the seat to be able to move forward over a longer length, it must be as far back as possible before a possible accident, regardless of the size of the passenger. Therefore, it is preferable that it is the position of the steering wheel and pedals that is adjustable and not the position of the seat as is usually done. This setting can be manual or preprogrammed. The seat can however be adjustable over its height.
  • the seat locking device will be inoperative so as to avoid the advancement of the latter and the traumatic risks that the passenger would have to undergo.

Abstract

The invention concerns a shock-absorber device adaptable to a safety belt and/or a seat of any type of vehicle. The inventive device is characterised in that it comprises means (1, 2) adapted to develop resistance to compression (1) or stretching (2) and an assembly of two elements (3) and (4) sliding relative to each other and having opposite walls (3A, 3B) and (4A) adapted to compress, walls (3B) and (4A), or to stretch, walls (3A) and (4A), said means (1, 2), placed between said opposite walls, when a tractive force (F) is exerted, by the belt (5) on said two elements (3, 4).

Description

DISPOSIT1F AMORTISSEUR DE CHOCS POUR VEHICULE DISPOSIT1F SHOCK ABSORBER FOR VEHICLE
DESCRIPTIONDESCRIPTION
L'invention concerne un dispositif amortisseur de chocs adaptable à une ceinture de sécurité et/ou à un siège de tout type de véhicule.The invention relates to a shock absorbing device adaptable to a seat belt and / or to a seat of any type of vehicle.
Le dispositif selon l'invention se caractérise essentiellement en ce qu'il comporte un moyen apte à développer une résistance à la compression ou à l'étirement et un ensemble de deux éléments coulissant l'un par rapport à l'autre et présentant des parois en regard aptes à comprimer ou à étirer ledit moyen, placé entre lesdites parois en regard, lorsqu'une force de traction est exercée, par la ceinture et/ou par le déplacement du siège sous l'effet d'un choc, sur lesdits deux éléments. Le dispositif en question est destiné à être placé en un point quelconque de la ceinture et/ou entre celle-ci et un point du châssis ou de la carrosserie.The device according to the invention is essentially characterized in that it comprises a means capable of developing a resistance to compression or to stretching and a set of two elements sliding relative to one another and having walls facing capable of compressing or stretching said means, placed between said facing walls, when a tensile force is exerted, by the belt and / or by the displacement of the seat under the effect of an impact, on said two elements. The device in question is intended to be placed at any point on the belt and / or between the latter and a point on the chassis or bodywork.
Il peut être également placé entre le siège et un point du châssis ou de la carrosserie pour agir seul ou en combinaison avec celui placé sur la ceinture.It can also be placed between the seat and a point on the chassis or bodywork to act alone or in combination with that placed on the belt.
Les caractéristiques et les avantages de l'invention vont apparaître plus clairement à la lecture de la description détaillée qui suit d'au moins un mode de réalisation préféré de celle-ci donné à titre d'exemple non limitatif et représenté aux dessins annexés. Sur ces dessins :The characteristics and advantages of the invention will appear more clearly on reading the following detailed description of at least one preferred embodiment of the latter given by way of non-limiting example and shown in the accompanying drawings. In these drawings:
- la figure 1 est une vue de profil simplifiée du dispositif selon l'invention dans la version fonctionnant à la compression; - la figure 2 est une vue de profil simplifiée dudit dispositif dans la version fonctionnant à l'étirement;- Figure 1 is a simplified profile view of the device according to the invention in the version operating under compression; - Figure 2 is a simplified profile view of said device in the version operating in stretching;
- la figure 3 est une vue en perspective des éléments coulissants constitutifs du dispositif selon l'invention selon une réalisation particulière de celle-ci.- Figure 3 is a perspective view of the sliding elements constituting the device according to the invention according to a particular embodiment thereof.
Le dispositif représenté aux figures comporte un moyen (1 ,2) apte à développer une résistance à la compression (1 ) ou à l'étirement (2) et un ensemble de deux éléments (3) et (4) coulissant l'un par rapport à l'autre et présentant des parois en regard (3A,3B) et (4 A) aptes à comprimer, parois (3B) et (4A), ou à étirer, parois (3A) et (4A), ledit moyen (1 ,2), placé entre lesdites parois en regard, lorsqu'une force de traction (F) est exercée, par la ceinture (5), sur lesdits deux éléments (3,4). La résistance élastique du moyen (1 ,2) peut être progressive, dégressive ou les deux entre le début et la fin de sa compression ou de son étirement. Les éléments (3) et (4) peuvent comporter un moyen permettant leur déverrouillage en cas de choc.The device shown in the figures comprises means (1, 2) capable of developing resistance to compression (1) or to stretching (2) and a set of two elements (3) and (4) sliding one by relative to each other and having facing walls (3A, 3B) and (4 A) able to compress, walls (3B) and (4A), or to stretch, walls (3A) and (4A), said means ( 1, 2), placed between said facing walls, when a tensile force (F) is exerted, by the belt (5), on said two elements (3,4). The elastic resistance of the means (1, 2) can be progressive, degressive or both between the start and the end of its compression or of its stretching. The elements (3) and (4) may include a means enabling them to be unlocked in the event of an impact.
Selon diverses réalisations de l'invention, le moyen (1 ,2) est : - un ressort travaillant à la compression (1 ) ou à la traction (2); - un corps travaillant à l'écrasement (1) ou à l'étirement (2) (solide ou fluide). Selon d'autres particularités de l'invention :According to various embodiments of the invention, the means (1, 2) is: - a spring working in compression (1) or in tension (2); - a body working on crushing (1) or stretching (2) (solid or fluid). According to other features of the invention:
- les éléments (3) et (4) comportent un moyen (6), du type butée, apte à limiter la course de leur déplacement relatif, ladite butée ayant une position fonction du type de moyen (1,2) utilisé;- The elements (3) and (4) comprise a means (6), of the stop type, capable of limiting the stroke of their relative displacement, said stop having a position depending on the type of means (1,2) used;
- les éléments (3) et (4) comportent des moyens (7) du type ouvertures de passage, aptes à permettre leur fixation en un point quelconque de la ceinture (4);- The elements (3) and (4) comprise means (7) of the passage opening type, capable of allowing their fixing at any point of the belt (4);
- l'un des éléments (3,4) comporte un moyen (8), du type trou, apte à permettre sa fixation, par l'intermédiaire d'une vis ou d'un boulon, en un point quelconque du siège. Le dispositif selon l'invention peut être associé à un autre dispositif, mécanique ou électronique, apte à modifier la résistance du moyen (1 ,2) en fonction de la vitesse du véhicule et du poids de l'usager de manière à venir, en cas de choc frontal, toujours en limite maximale de course. Le dispositif selon l'invention peut être également placé entre le siège et le châssis ou la carrosserie du véhicule pour agir en combinaison avec celui ou ceux placés sur la ceinture de sécurité. Dans ce cas, le siège comporte un moyen permettant son déverrouillage en cas de choc. Toutefois, il doit pouvoir se stabiliser définitivement quelque soit le niveau de déplacement qu'il aura atteint. En cas de choc frontal, le processus d'actionnement de l'ensemble est le suivant : - tension ceinture puis déverrouillage du siège;- one of the elements (3,4) comprises a means (8), of the hole type, capable of allowing its fixing, by means of a screw or a bolt, at any point of the seat. The device according to the invention can be associated with another device, mechanical or electronic, capable of modifying the resistance of the means (1, 2) as a function of the speed of the vehicle and the weight of the user so as to come, in frontal impact, always at the maximum stroke limit. The device according to the invention can also be placed between the seat and the chassis or body of the vehicle to act in combination with that or those placed on the seat belt. In this case, the seat includes a means allowing it to be unlocked in the event of an impact. However, it must be able to stabilize definitively whatever the level of movement it has reached. In the event of a frontal impact, the actuation process for the assembly is as follows: - belt tension then unlocking of the seat;
- mise en action des divers dispositifs amortisseurs après leur déverrouillage éventuel. Les éléments(3) et (4) peuvent être du type représenté à la figure 3 et comporter chacun 4 parois orthogonales dont les parois (3A),(3B),(4A) et (4B) qui sont parallèles entre elles, la paroi (4B) étant reliée au reste de l'élément (4) par des bras (9, 10) coulissant à l'intérieur d'ouvertures pratiquées sur la paroi (3B).- putting into action of the various damping devices after their possible unlocking. Elements (3) and (4) can be of the type shown in FIG. 3 and each comprise 4 orthogonal walls, the walls (3A), (3B), (4A) and (4B) which are parallel to each other, the wall (4B) being connected to the rest of the element (4) by arms (9, 10) sliding inside openings made on the wall (3B).
L'élément (4) vient en butée (6) contre la paroi (3B) de l'élément (3). Selon d'autres particularités de réalisation de l'invention :The element (4) abuts (6) against the wall (3B) of the element (3). According to other particular features of the invention:
- le volant et les pédales comportent un moyen apte à permettre leur déplacement en cas de choc frontal ainsi qu'éventuellement les airbags de passagers; - le siège, le volant et les pédales comportent un moyen apte à permettre leur déplacement simultané en cas de choc frontal.- the steering wheel and the pedals include a means capable of allowing their displacement in the event of a frontal impact as well as possibly the passenger airbags; - The seat, the steering wheel and the pedals include a means capable of allowing their simultaneous movement in the event of a frontal impact.
Le poids de l'usager peut être déterminé par préprogrammation ou par des capteurs placés sur le siège.The weight of the user can be determined by preprogramming or by sensors placed on the seat.
Pour que le siège puisse avancer sur une plus grande longueur, il est nécessaire que celui-ci soit le plus reculé possible avant un éventuel accident et ce quelle que soit la taille du passager. De ce fait, il est préférable que ce soit la position du volant et des pédales qui soit réglable et non la position du siège comme cela se fait habituellement. Ce réglage peut être manuel ou préprogrammé. Le siège peut cependant être réglable sur sa hauteur.In order for the seat to be able to move forward over a longer length, it must be as far back as possible before a possible accident, regardless of the size of the passenger. Therefore, it is preferable that it is the position of the steering wheel and pedals that is adjustable and not the position of the seat as is usually done. This setting can be manual or preprogrammed. The seat can however be adjustable over its height.
Au delà d'une intensité de choc égale à celle de résistance de la voiture, le dispositif de verrouillage du siège sera inopérant de manière à éviter l'avancée de celui-ci et les risques traumatiques que le passager aurait à subir.Beyond an impact intensity equal to that of the resistance of the car, the seat locking device will be inoperative so as to avoid the advancement of the latter and the traumatic risks that the passenger would have to undergo.
Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits et représentés pour lesquels on pourra prévoir d'autres variantes, en particulier dans :Of course, the invention is not limited to the embodiments described and shown for which other variants can be provided, in particular in:
- les formes et les dimensions des éléments (3) et (4);- the shapes and dimensions of the elements (3) and (4);
- leur position sur la ceinture ou le siège; - le type de moyen développant la résistance à la compression ou à l'étirement. - their position on the belt or the seat; - the type of means developing resistance to compression or stretching.

Claims

REVEND1CATIONSREVEND1CATIONS
1- Dispositif amortisseur de chocs adaptable à une ceinture de sécurité et/ou à un siège de tout type véhicule, caractérisé en ce qu'il comporte un moyen (1,2) apte à développer une résistance à la compression (1) ou à l'étirement (2) et un ensemble de deux éléments (3) et (4) coulissant l'un par rapport à l'autre et présentant des parois en regard (3A,3B) et (4A) aptes à comprimer, parois (3B) et (4A), ou à étirer, parois (3A) et (4A), ledit moyen (1,2), placé entre lesdites parois en regard, lorsqu'une force de traction (F) est exercée, par la ceinture (5), sur lesdits deux éléments (3,4).1- Shock absorber device adaptable to a seat belt and / or to a seat of any vehicle type, characterized in that it comprises a means (1,2) capable of developing a resistance to compression (1) or to the stretch (2) and a set of two elements (3) and (4) sliding relative to each other and having facing walls (3A, 3B) and (4A) capable of compressing, walls ( 3B) and (4A), or to be stretched, walls (3A) and (4A), said means (1,2), placed between said facing walls, when a tensile force (F) is exerted, by the belt (5), on said two elements (3,4).
2- Dispositif, selon la revendication 1, caractérisé en ce que le moyen (1,2) est un corps travaillant à l'écrasement (1) ou à l'étirement (2). 3- Dispositif, selon la revendication 1 , caractérisé en ce que les éléments (3) et (4) comportent un moyen (6), du type butée, apte à limiter la course de leur déplacement relatif.2- Device according to claim 1, characterized in that the means (1,2) is a body working by crushing (1) or stretching (2). 3- Device according to claim 1, characterized in that the elements (3) and (4) comprise means (6), of the stop type, capable of limiting the stroke of their relative movement.
4- Dispositif, selon la revendication 1 , caractérisé en ce qu'il est associé à un autre dispositif, mécanique ou électronique, apte à modifier la résistance du moyen (1 ,2) en fonction de la vitesse du véhicule et du poids de l'usager.4- Device according to claim 1, characterized in that it is associated with another device, mechanical or electronic, capable of modifying the resistance of the means (1, 2) as a function of the speed of the vehicle and the weight of the 'user.
5- Dispositif, selon la revendication 1 , caractérisé en ce que le siège comporte un moyen apte à permettre son déplacement en cas de choc frontal.5- Device according to claim 1, characterized in that the seat comprises a means capable of allowing its movement in the event of a frontal impact.
6- Dispositif, selon la revendication 1, caractérisé en ce que le volant et les pédales comportent un moyen apte à permettre leur déplacement en cas de choc frontal.6- Device according to claim 1, characterized in that the steering wheel and the pedals comprise a means adapted to allow their movement in the event of a frontal impact.
7- Dispositif, selon la revendication 1 , caractérisé en ce que le siège, le volant et les pédales comportent un moyen apte à permettre leur déplacement simultané en cas de choc frontal. 7- Device according to claim 1, characterized in that the seat, the steering wheel and the pedals comprise a means capable of allowing their simultaneous movement in the event of a frontal impact.
PCT/FR2001/004015 2000-12-20 2001-12-17 Shock-absorber device for vehicle WO2002049885A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2002225083A AU2002225083A1 (en) 2000-12-20 2001-12-17 Shock-absorber device for vehicle

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR0016825A FR2818216A1 (en) 2000-12-20 2000-12-20 Motor vehicle safety belt and/or seat shock absorber has flexible elements developing resistance to compression or stretching
FR00/16825 2000-12-20
FR01/07035 2001-05-29
FR0107035A FR2818217B1 (en) 2000-12-20 2001-05-29 SHOCK ABSORBER DEVICE FOR VEHICLE

Publications (1)

Publication Number Publication Date
WO2002049885A1 true WO2002049885A1 (en) 2002-06-27

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ID=26212790

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Application Number Title Priority Date Filing Date
PCT/FR2001/004015 WO2002049885A1 (en) 2000-12-20 2001-12-17 Shock-absorber device for vehicle

Country Status (3)

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AU (1) AU2002225083A1 (en)
FR (1) FR2818217B1 (en)
WO (1) WO2002049885A1 (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2172290A1 (en) * 1972-02-17 1973-09-28 Nissan Motor
FR2608121A1 (en) * 1986-12-10 1988-06-17 Chapuis Jean Louis System for fitting-out a driver's cab of an industrial or agricultural vehicle
DE4435770A1 (en) * 1994-10-06 1996-04-11 Schmidt Gmbh R Impact energy absorber fitted between vehicle body and e.g. seat=belt
WO1996041973A1 (en) * 1995-06-08 1996-12-27 Beth Israel Hospital Tug-resistant link
GB2330338A (en) * 1997-10-14 1999-04-21 Alliedsignal Ltd Load limiting device for a seat belt
EP0927669A2 (en) * 1998-01-02 1999-07-07 Breed Automotive Technology, Inc. Safety restraint

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2172290A1 (en) * 1972-02-17 1973-09-28 Nissan Motor
FR2608121A1 (en) * 1986-12-10 1988-06-17 Chapuis Jean Louis System for fitting-out a driver's cab of an industrial or agricultural vehicle
DE4435770A1 (en) * 1994-10-06 1996-04-11 Schmidt Gmbh R Impact energy absorber fitted between vehicle body and e.g. seat=belt
WO1996041973A1 (en) * 1995-06-08 1996-12-27 Beth Israel Hospital Tug-resistant link
GB2330338A (en) * 1997-10-14 1999-04-21 Alliedsignal Ltd Load limiting device for a seat belt
EP0927669A2 (en) * 1998-01-02 1999-07-07 Breed Automotive Technology, Inc. Safety restraint

Also Published As

Publication number Publication date
FR2818217B1 (en) 2003-10-31
FR2818217A1 (en) 2002-06-21
AU2002225083A1 (en) 2002-07-01

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