FR2758294A1 - Vehicle wheel anti-skid device - Google Patents

Vehicle wheel anti-skid device Download PDF

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Publication number
FR2758294A1
FR2758294A1 FR9700326A FR9700326A FR2758294A1 FR 2758294 A1 FR2758294 A1 FR 2758294A1 FR 9700326 A FR9700326 A FR 9700326A FR 9700326 A FR9700326 A FR 9700326A FR 2758294 A1 FR2758294 A1 FR 2758294A1
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France
Prior art keywords
arms
tread
spring
chain
arm
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Granted
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FR9700326A
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French (fr)
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FR2758294B1 (en
Inventor
Gilbert Bobeda
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Individual
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Individual
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Priority to FR9700326A priority Critical patent/FR2758294B1/en
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C27/00—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels
    • B60C27/06—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over the complete circumference of the tread, e.g. made of chains or cables
    • B60C27/10—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over the complete circumference of the tread, e.g. made of chains or cables having tensioning means
    • B60C27/12—Non-skid devices temporarily attachable to resilient tyres or resiliently-tyred wheels extending over the complete circumference of the tread, e.g. made of chains or cables having tensioning means resilient pretension

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

The device comprises three angled arms (1,2,3) which are located radially around the wheel encompassing the tread (4) of the tyre (5). A chain (6) is located around the tread and fixed to the arms. The arms pivot about a central spindle (7) and slide radially relative to this spindle. Two other parts of the chain (8), located coaxially with the chain on each side of the tread, are also fixed to the arms. The chain parts are fixed in their middle to the central arm and at their ends to the other arms. A torsion spring (9) is located so as to tension the chain parts by acting on the rotation of the arm ends relative to the central arm.

Description

DISPOSITIF ANTIDERAPANT POUR ROUES DE VEllICULES AUTOMOBILES
A FERMETURE AUTOMATIQUE
L'invention est relative à un dispositif antidérapant pour roues de véhicules automobiles du genre comportant au moins trois bras coudés destinés à être disposés radialement autour de la roue et embrassant la bande de roulement (4) du pneumatique (5) et au moins un élément de chaine de roulement (6) disposé périmètralement le long de ladite bande de roulement (4) et fixé auxdits bras (1,2,3).NON-SLIP DEVICE FOR MOTOR VEHICLE WHEELS
AUTOMATIC CLOSING
The invention relates to a non-slip device for wheels of motor vehicles of the type comprising at least three bent arms intended to be arranged radially around the wheel and embracing the tread (4) of the tire (5) and at least one element. tread (6) disposed perimeterly along said tread (4) and fixed to said arms (1,2,3).

Un dispositif connu du genre en question est décrit dans le brevet EP0376428 qui concerne un système de fixation pouvant pivoter par rapport à la roue et pourvu de bras de maintien d'une chaine de roulement reliés au système de fixation par une articulation dans le but d'en réduire l'encombrement. A known device of the kind in question is described in patent EP0376428 which relates to a fixing system which can pivot relative to the wheel and provided with arms for holding a rolling chain connected to the fixing system by an articulation for the purpose of '' reduce its size.

Le dispositif, selon l'invention, constitue une réalisation, non techniquement équivalente audit dispositif, mettant en oeuvre des moyens, pour répondre à des fonctions spécifiques originales, tout à fait différents. The device according to the invention constitutes an embodiment, not technically equivalent to said device, using means, to respond to original specific functions, quite different.

Il se caractérise essentiellement en ce que - les bras, au nombre de trois, sont montés pivotants, en rotation, autour d'un axe central et coulissants, radialement, par rapport audit axe; - les éléments de chaine, également au nombre de trois, sont disposés, pour le premier, périmètralement autour de la bande de roulement et, pour les deux autres, de chaque côté de la bande de roulement; - un ressort de torsion est disposé de manière à tendre lesdits éléments de chaîne en agissant sur la rotation des deux bras externes par rapport au bras central.It is essentially characterized in that - the arms, three in number, are pivotally mounted, in rotation, about a central axis and sliding, radially, with respect to said axis; - The chain elements, also three in number, are arranged, for the first, perimeter around the tread and, for the other two, on each side of the tread; - A torsion spring is arranged so as to tension said chain elements by acting on the rotation of the two outer arms relative to the central arm.

Un tel dispositif permet une mise en place immédiate et une fermeture automatique de l'ensemble une fois le ressort de torsion en action.Such a device allows immediate installation and automatic closing of the assembly once the torsion spring in action.

Un autre ressort, de traction, permet de maintenir les bras en appui sur la bande de roulement du pneumatique et ce quelle que soit la déformation de celui-ci en cours de roulement.Another traction spring keeps the arms in contact with the tire tread, regardless of the deformation of the tire during rolling.

Ces diverses caractéristiques et avantages n'apparaissent pas dans le document cité ou dans tout autre dispositif à chaîne ou à bras radiaux connu.These various characteristics and advantages do not appear in the cited document or in any other known chain or radial arm device.

Les caractéristiques et les avantages de l'invention vont apparaitre plus clairement à la lecture de la description détaillée qui suit d'au moins un mode de réalisation préféré de l'invention donné à titre d'exemple nonlimitatif et représenté aux dessins annexés. 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 invention given by way of nonlimiting example and shown in the accompanying drawings.

Sur ces dessins - la figure 1 est une vue en élévation du dispositif selon l'invention; - la figure 2 est une vue de détail d'un bras radial; - la figure 3 est une vue de détail du ressort de traction; - la figure 4 est une vue de détail du ressort de torsion; - la figure 5 est une vue de détail de l'outil permettant la mise en place des deux ressorts; - les figures 6,7 et 8 sont des vues indiquant les trois étapes de la mise en place, sur le pneumatique, du dispositif selon l'invention.In these drawings - Figure 1 is an elevational view of the device according to the invention; - Figure 2 is a detail view of a radial arm; - Figure 3 is a detail view of the tension spring; - Figure 4 is a detail view of the torsion spring; - Figure 5 is a detail view of the tool for the establishment of the two springs; - Figures 6,7 and 8 are views showing the three stages of the installation, on the tire, of the device according to the invention.

Le dispositif antidérapant pour roues de véhicules automobiles représenté aux figures est du genre comportant au moins trois bras coudés (1,2,3) destinés à être disposés radialement autour de la roue et embrassant la bande de roulement (4) du pneumatique (5) et au moins un élément de chaîne de roulement (6) disposé périmètralement autour de ladite bande de roulement (4) et fixé auxdits bras (1,2,3). The non-slip device for motor vehicle wheels shown in the figures is of the type comprising at least three bent arms (1,2,3) intended to be arranged radially around the wheel and embracing the tread (4) of the tire (5) and at least one tread element (6) disposed perimeter around said tread (4) and fixed to said arms (1,2,3).

Les bras (1,2,3) sont montés pivotants, en rotation, autour d'un axe central (7) et coulissants, radialement, par rapport audit axe.The arms (1,2,3) are pivotally mounted, in rotation, around a central axis (7) and sliding, radially, with respect to said axis.

Deux autres éléments de chaîne (8), disposés coaxialement à l'élément de chaîne (6), de chaque côté de la bande de roulement (4), sont également fixés auxdits bras (1,2,3).Two other chain elements (8), arranged coaxially with the chain element (6), on each side of the tread (4), are also fixed to said arms (1,2,3).

Un ressort de torsion (9) est disposé de manière à tendre les éléments de chaîne (6,8) en agissant sur la rotation des bras extrèmes (2) et (3) par rapport au bras central (1).A torsion spring (9) is arranged so as to tension the chain elements (6,8) by acting on the rotation of the end arms (2) and (3) relative to the central arm (1).

Les éléments de chaîne (6,8) sont fixés, en leur milieu, au bras (1) et, à leurs extrémités, aux bras (2) et (3).The chain elements (6,8) are fixed, in the middle, to the arm (1) and, at their ends, to the arms (2) and (3).

Chaque bras (1,2,3) comporte, dans sa portion embrassant la bande de roulement, un moyen central (10) pour la fixation de l'élément de chaine (6) et deux moyens latéraux (11) pour la fixation des éléments de chaine (8).Each arm (1,2,3) comprises, in its portion embracing the tread, a central means (10) for fixing the chain element (6) and two lateral means (11) for fixing the elements chain (8).

La fixation peut être réalisée au moyen de rivets passant au travers de trous (10,11) réalisés sur les bras (1,2,3).The fixing can be carried out by means of rivets passing through holes (10,11) made on the arms (1,2,3).

Des éléments de chaîne (12) relient transversalement, à intervalles réguliers, les éléments de chaine (6,8) entre eux.Chain elements (12) connect transversely, at regular intervals, the chain elements (6,8) to each other.

Le ressort de torsion (9) comporte une partie centrale (13) pourvue d'au moins une spire, ou enroulement, et deux tiges (14,15) destinées à exercer une pression sur les bras extrèmes (2,3) par l'intermèdiaire de butées (16,17) appartenant auxdits bras (2,3) et sur lesquelles lesdites tiges s'appuient. The torsion spring (9) comprises a central part (13) provided with at least one turn, or winding, and two rods (14,15) intended to exert pressure on the extreme arms (2,3) by the intermediate stop (16,17) belonging to said arms (2,3) and on which said rods are supported.

Un ressort de traction (18) est tendu entre l'axe (7) de rotation des bras radiaux (1,2,3) et du ressort (9), et une butée (19) appartenant au bras radial (1).A tension spring (18) is tensioned between the axis (7) of rotation of the radial arms (1,2,3) and the spring (9), and a stop (19) belonging to the radial arm (1).

Le ressort (18) comporte, à une extrémité une pièce (20), perforée, apte à s'emboîter sur l'axe (7) et, à l'autre extrémité, un anneau (21) apte à s'emboîter sur la butée (19) du bras (1).The spring (18) comprises, at one end a piece (20), perforated, capable of fitting on the axis (7) and, at the other end, a ring (21) capable of fitting on the stop (19) of the arm (1).

Une entretoise (non représentée) est placée à l'intérieur des spires (13) pour éviter leur écrasement lors du serrage du ressort (18) sur l'axe (7).A spacer (not shown) is placed inside the turns (13) to prevent them from being crushed when the spring (18) is tightened on the axis (7).

Une tige (22) munie, à une extrémité, d'un crochet (23) sert au maintien de l'anneau (21) lors de la mise en traction du ressort (18).A rod (22) provided, at one end, with a hook (23) serves to hold the ring (21) when the spring (18) is put in tension.

La tige (22) comporte, à son autre extrémité, un orifice (24) destiné à contenir l'extrémité de l'une des tiges (14) du ressort (9) pour exercer sur celleci (à la manière d'un levier) une pression pendant que l'autre tige (15) est en appui sur la butée (17).The rod (22) has, at its other end, an orifice (24) intended to contain the end of one of the rods (14) of the spring (9) to exert thereon (in the manner of a lever) a pressure while the other rod (15) is in abutment on the stop (17).

Les bras (1,2,3) comportent des rainures (25) aptes à coulisser par rapport à l'axe (7).The arms (1,2,3) have grooves (25) capable of sliding relative to the axis (7).

La mise en place du dispositif sur la roue d'un véhicule automobile s'effectue comme représenté aux figures 6,7 et 8 - on place l'ensemble comme indiqué à la figure 6 et on déplace les bras (2) et (1) selon la flêche F1 de manière à obtenir la configuration de la figure 7; - on place ensuite les ressorts de traction (18) puis de torsion (9) au moyen de l'outil (22); - dès que la roue se déplace, flêche F2, les bras (2) et (3) se rapprochent sous l'effet du ressort (9) et les bras (1,2,3) se plaquent contre la bande de roulement du pneumatique sous l'effet du ressort (18). The installation of the device on the wheel of a motor vehicle is carried out as shown in Figures 6,7 and 8 - the assembly is placed as shown in Figure 6 and the arms (2) and (1) are moved according to the arrow F1 so as to obtain the configuration of FIG. 7; - The tension springs (18) and then the torsion springs (9) are then placed by means of the tool (22); - as soon as the wheel moves, arrow F2, the arms (2) and (3) come together under the effect of the spring (9) and the arms (1,2,3) are pressed against the tire tread under the effect of the spring (18).

En plus de la fermeture automatique, un tel dispositif assure en permanence une tension automatique de la chaîne sur le pneumatique périmétralement et radialement.In addition to automatic closing, such a device permanently ensures automatic tension of the chain on the tire perimeter and radially.

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 - les formes et les dimensions des bras radiaux et des éléments de chaine; - le nombre de bras et d'éléments de chaîne; - les types de ressorts de torsion et de traction; - la nature des matériaux entrant dans la composition des divers sous-ensembles; sans pour celà sortir du cadre de l'invention.  Of course, the invention is not limited to the embodiments described and shown for which other variants can be provided, in particular in - the shapes and dimensions of the radial arms and chain elements; - the number of arms and chain elements; - types of torsion and tension springs; - the nature of the materials used in the composition of the various sub-assemblies; without thereby departing from the scope of the invention.

Claims (10)

REVENDICATIONS 1- Dispositif antidérapant pour roues de véhicules automobiles du genre comportant au moins trois bras coudés (1,2,3) destinés à être disposés radialement autour de la roue et embrassant la bande de roulement (4) du pneumatique (5) et au moins un élément de chaîne de roulement (6) disposé périmètralement autour de ladite bande de roulement (4) et fixé auxdits bras (1,2,3); caractérisé en ce que les bras (1,2,3) sont montés pivotants, en rotation, autour d'un axe central (7) et coulissants, radialement, par rapport audit axe (7); en ce que deux autres éléments de chaîne (8) disposés, coaxialement à l'élément de chaîne (6), de chaque côté de la bande de roulement (4), sont également fixés auxdits bras (1,2,3) et en ce qu'un ressort de torsion (9) est disposé de manière à tendre les éléments de chaîne (6,8) en agissant sur la rotation des bras extrèmes (2) et (3) par rapport au bras central (1). 1- Non-slip device for motor vehicle wheels of the kind comprising at least three bent arms (1,2,3) intended to be arranged radially around the wheel and embracing the tread (4) of the tire (5) and at least a tread member (6) disposed perimeter around said tread (4) and attached to said arms (1,2,3); characterized in that the arms (1,2,3) are pivotally mounted, in rotation, about a central axis (7) and sliding, radially, with respect to said axis (7); in that two other chain elements (8) arranged, coaxial with the chain element (6), on each side of the tread (4), are also fixed to said arms (1,2,3) and in that a torsion spring (9) is arranged so as to tension the chain elements (6,8) by acting on the rotation of the end arms (2) and (3) relative to the central arm (1). 2- Dispositif, selon la revendication 1, caractérisé en ce que les éléments de chaine (6,8) sont fixés, en leur milieu, au bras (1) et, à leurs extrémités, aux bras (2) et (3). 2- Device according to claim 1, characterized in that the chain elements (6,8) are fixed, in their middle, to the arm (1) and, at their ends, to the arms (2) and (3). 3- Dispositif, selon la revendication 2, caractérisé en ce que chaque bras (1,2,3) comporte, dans sa partie embrassant la bande de roulement, un moyen central (10) pour la fixation de l'élément de chaine (6) et deux moyens latéraux (11) pour la fixation des éléments de chaîne (8). 3- Device according to claim 2, characterized in that each arm (1,2,3) comprises, in its part embracing the tread, a central means (10) for fixing the chain element (6 ) and two lateral means (11) for fixing the chain elements (8). 4- Dispositif, selon la revendication 2 ou la revendication 3, caractérisé en ce que des éléments de chaine (12) relient transversalement, à intervalles réguliers, les éléments de chaîne (6,8). 4- Device according to claim 2 or claim 3, characterized in that chain elements (12) connect transversely, at regular intervals, the chain elements (6,8). 5- Dispositif, selon la revendication 1, caractérisé en ce que le ressort de torsion (9) comporte une partie centrale (13) pourvue d'au moins une spire et deux tiges (14,15) destinées à exercer une pression sur les bras extrèmes (2,3) par l'intermèdiaire de butées (16,17) appartenant auxdits bras (2,3) sur lesquelles lesdites tiges s'appuient. 5- Device according to claim 1, characterized in that the torsion spring (9) comprises a central part (13) provided with at least one turn and two rods (14,15) intended to exert pressure on the arms extremes (2,3) by means of stops (16,17) belonging to said arms (2,3) on which said rods are supported. 6- Dispositif, selon la revendication 1 ou la revendication 5, caractérisé en ce qu'un ressort de traction (18) est tendu entre l'axe (7) de rotation des bras radiaux (1,2,3) et du ressort (9), et une butée (19) appartenant au bras radial (1). 6- Device according to claim 1 or claim 5, characterized in that a tension spring (18) is tensioned between the axis (7) of rotation of the radial arms (1,2,3) and the spring ( 9), and a stop (19) belonging to the radial arm (1). 7- Dispositif, selon la revendication 6, caractérisé en ce que le ressort (18) comporte, à une extrémité, une pièce (20), perforée, apte à s'emboiter sur l'axe (7) et, à l'autre extrémité, un anneau (21) apte à s'emboîter sur la butée (19) du bras (1).  7- Device according to claim 6, characterized in that the spring (18) comprises, at one end, a part (20), perforated, capable of fitting on the axis (7) and, at the other end, a ring (21) capable of fitting onto the stop (19) of the arm (1). 8- Dispositif, selon la revendication 7, caractérisé en ce que une tige (22) munie, à une extrémité, d'un crochet (23) sert à maintenir l'anneau (21) lors de la traction du ressort (18). 8- Device according to claim 7, characterized in that a rod (22) provided, at one end, with a hook (23) serves to maintain the ring (21) during the traction of the spring (18). 9- Dispositif, selon la revendication 5 et la revendication 8, caractérisé en ce que la tige (22) comporte, à son autre extrémité, un orifice (24) destiné à contenir l'extrémité de l'une des tiges (14) du ressort (9) pour exercer sur celle-ci une pression pendant que l'autre tige (15) est en appui sur la butée (17). 9- Device according to claim 5 and claim 8, characterized in that the rod (22) comprises, at its other end, an orifice (24) intended to contain the end of one of the rods (14) of the spring (9) to exert pressure thereon while the other rod (15) is supported on the stop (17). 10- Dispositif, selon la revendication 1, caractérisé en ce que les bras (1,2,3) comportent des rainures (25) aptes à coulisser par rapport à l'axe (7).  10- Device according to claim 1, characterized in that the arms (1,2,3) have grooves (25) capable of sliding relative to the axis (7).
FR9700326A 1997-01-13 1997-01-13 NON-SLIP DEVICE FOR WHEELS OF MOTOR VEHICLES WITH AUTOMATIC CLOSURE Expired - Fee Related FR2758294B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9700326A FR2758294B1 (en) 1997-01-13 1997-01-13 NON-SLIP DEVICE FOR WHEELS OF MOTOR VEHICLES WITH AUTOMATIC CLOSURE

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Application Number Priority Date Filing Date Title
FR9700326A FR2758294B1 (en) 1997-01-13 1997-01-13 NON-SLIP DEVICE FOR WHEELS OF MOTOR VEHICLES WITH AUTOMATIC CLOSURE

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FR2758294A1 true FR2758294A1 (en) 1998-07-17
FR2758294B1 FR2758294B1 (en) 1999-04-09

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2977832A1 (en) * 2011-07-12 2013-01-18 Patrick Muti Anti-slip device for tire of car in industrial application, has arms fixed on central axis, and roller attached to each end of each arm, where specific space is provided between two of arms to facilitate insertion of device on tire
FR2992900A1 (en) * 2012-07-03 2014-01-10 Nicolas Raoul Morin Device i.e. snow-chain, for supporting adherence of driving wheels of car on snow-covered roadway, has tilting hook for tightening chain, where tilting hook is arranged for maintaining lengths of chain on tread of pneumatic tire of car

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH556251A (en) * 1973-06-27 1974-11-29 Stamm Robert SNOW CHAIN.
DE2620578A1 (en) * 1975-05-16 1976-12-02 Fritz Mueller Demountable snow grips for car wheel - having three hoops linked by bolt and slot coupling and tie wires
EP0226571A2 (en) * 1985-12-09 1987-06-24 Wilhelm Glinzner Snow chain

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH556251A (en) * 1973-06-27 1974-11-29 Stamm Robert SNOW CHAIN.
DE2620578A1 (en) * 1975-05-16 1976-12-02 Fritz Mueller Demountable snow grips for car wheel - having three hoops linked by bolt and slot coupling and tie wires
EP0226571A2 (en) * 1985-12-09 1987-06-24 Wilhelm Glinzner Snow chain

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2977832A1 (en) * 2011-07-12 2013-01-18 Patrick Muti Anti-slip device for tire of car in industrial application, has arms fixed on central axis, and roller attached to each end of each arm, where specific space is provided between two of arms to facilitate insertion of device on tire
FR2992900A1 (en) * 2012-07-03 2014-01-10 Nicolas Raoul Morin Device i.e. snow-chain, for supporting adherence of driving wheels of car on snow-covered roadway, has tilting hook for tightening chain, where tilting hook is arranged for maintaining lengths of chain on tread of pneumatic tire of car
FR2992901A1 (en) * 2012-07-03 2014-01-10 Nicolas Raoul Morin FAST-ASSEMBLED SNOW CHAIN-TYPE MOTOR VEHICLE EQUIPMENT FOR PROMOTING THE ADHESION OF DRIVING WHEELS ON POOR LANDSCAPES

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