EP0678314A1 - Skibinding - Google Patents

Skibinding Download PDF

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Publication number
EP0678314A1
EP0678314A1 EP95102865A EP95102865A EP0678314A1 EP 0678314 A1 EP0678314 A1 EP 0678314A1 EP 95102865 A EP95102865 A EP 95102865A EP 95102865 A EP95102865 A EP 95102865A EP 0678314 A1 EP0678314 A1 EP 0678314A1
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EP
European Patent Office
Prior art keywords
slide
base plate
ski
boot
element according
Prior art date
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Granted
Application number
EP95102865A
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German (de)
French (fr)
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EP0678314B1 (en
Inventor
Philippe Schary
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Salomon SAS
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Salomon SAS
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Publication of EP0678314A1 publication Critical patent/EP0678314A1/en
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Publication of EP0678314B1 publication Critical patent/EP0678314B1/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C5/00—Skis or snowboards
    • A63C5/06—Skis or snowboards with special devices thereon, e.g. steering devices
    • A63C5/07—Skis or snowboards with special devices thereon, e.g. steering devices comprising means for adjusting stiffness
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/001—Anti-friction devices

Definitions

  • the invention relates to a fastening element intended to retain the end of a boot bearing on a gliding board, in particular on a ski. More specifically, the invention relates to a fastening element intended to retain the rear end of a shoe.
  • the invention also relates to a binding assembly intended to retain a boot on a ski comprising such a binding element.
  • rear fasteners are known. They are most often associated with a front fastening element. They generally include a shoe retaining jaw carried by a body. The body is movable along a base or slide in the longitudinal direction of the ski, and a spring, commonly called recoil spring, elastically opposes the movement of the body towards the rear, by resting on a stop.
  • This stop generally a lock or a screw cooperating with the slide, defines the nominal position of the body. This nominal position is changed to adapt the fastening element to the length of the shoe, or to modify the restoring force that the recoil spring exerts on the body in the presence of the shoe.
  • the rear binding element also includes a support plate for receiving the rear end of the shoe sole.
  • This support plate is usually associated either with the body, or with the slide.
  • the invention aims to further improve the connection between the boot and the ski.
  • Another object of the invention is also to optimize the compromise between the cushioning of the boot and the precision of the ski handling.
  • Another aim is to propose a construction which is simple to carry out.
  • the rotational mobility of the slide around a transverse axis causes the fastener as a whole topple during vertical movements. There is depreciation in a vertical direction. In addition, the inertia of the moving elements is increased. The rolling stresses pass however without damping between the slide and the ski, because of the transverse articulation which connects them.
  • an anti-roll means is added between the slide and the ski. This means improves the quality of the transmission of the rolling stresses which pass between the boot and the ski.
  • Figure 1 is a side view, in partial section of a fastening element according to a first embodiment of the invention.
  • FIG. 2 is a side view in section of the base plate and of the slide equipping the element of FIG. 1.
  • Figure 3 is a partial exploded perspective view of the front part.
  • Figure 4 illustrates an alternative embodiment of the link.
  • Figure 5 is a view similar to Figure 2 and illustrates an alternative embodiment.
  • FIG. 6 illustrates another embodiment of the invention.
  • Figure 1 shows by way of illustration of the invention a fastening element 1 comprising in a known manner a jaw 2 for retaining the shoe carried by a body 3.
  • the body is slidably mounted along a slide 4 oriented along the longitudinal direction defined by the ski.
  • Means such as a lock 5 clipped to the slide defines a nominal position, and the body can move back towards the lock against the restoring force opposed to it by the recoil spring 6.
  • the slide represented in the figures presents in section a form of "C" lying and open upwards.
  • the body is guided in the slide by runners which circulate in the folded edges of the slide. This is not limiting and any other method of assembling the body on the slide is suitable, in particular any other appropriate section of slide.
  • the fastening element 1 also has a support plate 9 which is intended to receive the support of the shoe.
  • the support plate 9 has downward and rearward a tip 10 which is fitted into the profile of the slide.
  • this endpiece is located under the platform of the plate 9 so that it can be engaged on the slide from the rear, and be slid along the slide to its service position in FIG. 1.
  • the slide is wrapped in a base plate 11.
  • the base plate 11 is intended to be assembled to the ski by any suitable means, for example by screws. It has a bottom 12 intended to be pressed against the ski. The bottom may have large openings. Laterally, the base plate has two wings 13 and 14 which go up along lateral edges of the slide 4. These wings close above the slide 4 by flanges 15, 16, which leave sufficient spacing between them so that the body can pass.
  • the bottom 12 and the edges 15 and 16 are slightly convergent towards the rear so that in a vertical direction, there is no play between the rear part of the slide 4 and the base plate. However, there is play on the front of the slide.
  • the rear part of the slide has a horizontal tab 18.
  • This tab is optionally divided into two segments.
  • the tab 18 is housed in a recess 19 of corresponding size on the base plate, so as to prevent any rearward movement of the slide 4 relative to the base plate. Relative forward movement is possible, however.
  • the front part therefore has mobility relative to the ski, which is oriented in an approximately vertical direction.
  • the rear part of the slide cannot oscillate for a rolling movement, because it is kept without play between the bottom and the edges of the base plate.
  • any other suitable means is suitable for ensuring this connection, in particular a transverse pin connecting the rear parts of the slide and the base plate.
  • a block of elastically deformable material shown diagrammatically at 22 This block possibly has damping properties. It could be replaced or assisted by any suitable deformable means, in particular a spring, a shock absorber, or the like.
  • the block 22 has a thickness provided to keep the front of the slide at rest in its high position, or close to this position.
  • the block 22 also allows, by its elasticity, to make up for the operating clearances due to the manufacturing tolerances of the parts. Its stiffness is provided so that it compresses under the action of the weight of the skier and the vertical stresses passing at this level between the boot and the ski.
  • the fastening element 1 can be associated with any suitable ski brake.
  • the brake can have as a bearing the front of the base plate 11. It can also have an independent bearing attached to the front of the base plate and fixed to the ski with it.
  • the fastener works as follows.
  • the rear of the boot is connected to the ski by means of the block 22 which compresses with the lowering of the support plate 9 relative to the ski.
  • the shocks and jolts of the ski are transmitted to the boot in a vertical direction going to the block 22 which performs filtering or damping according to its hardness.
  • the back of the shoe is somehow mounted on a suspension which operates in a vertical direction.
  • the connection between the slide and the base plate also opposes a movement relating to the roll of these two elements.
  • the fixing element 1 has additional anti-roll means located towards the front of the slide.
  • the anti-roll means comprises a large link 25 connected to the base plate 11 and to the slide 4 by an articulation around a horizontal and transverse axis.
  • the link 25 has a width close to the width of the slide 4.
  • the link can be made from a flat profile, the two lateral ends of which are folded back to form the sides.
  • its torsional rigidity can be reinforced by a transverse fold 26 forming a rib.
  • any other suitable construction of the link is suitable.
  • the link could be made from a steel wire folded into a wide "U”.
  • the link 25 is pierced with an orifice which defines two housings 28 and 29 for articulation axes 30 and 31.
  • the axes 30 and 31 are mutually parallel and are arranged substantially in a horizontal plane.
  • the ends of the axis 30 are carried by the base plate 11, more precisely by its wings 13 and 14.
  • the axis 31 is located behind the axis 30.
  • the slide has on the front two legs 34 and 35 folded so that their ends come to rest on the axis 31.
  • the legs 34 and 35 are largely separated from each other.
  • the support plate 9 which is slidably mounted along the slide is engaged on the front until it comes into abutment against the legs 34 and 35. In this position, the ribs 37, which it has on its face lower, protrude between the legs. These ribs have a transverse orifice 38 situated in the extension of the interior of the fold which the tabs 34 and 35 have, which is crossed by the axis 31. A connection is thus produced by pressing the slide on the axis 31, with locking by the cooperation between the axis and the support plate 9. Naturally any other suitable connection is suitable.
  • the link 25 has only one degree of freedom in rotation around the axis 30 relative to the base plate, and around the axis 31 relative to the slide.
  • the link prevents the front of the slide from rolling. On the other hand, the link does not offer any resistance to the vertical movements of the front of the slide, these movements cause the compression of the block 22.
  • the support plate 9 is lowered, causing the rotation of the link and the slide, as well as a forward movement of the slide. This movement creates additional compression of the recoil spring.
  • one of the housings of the link in this case the housing 29 ′ is oblong.
  • the oblong is oriented in a horizontal plane, to prevent a rolling movement of the axis 30.
  • one of the other orifices crossed by the axes 30 and 31 could be oblong.
  • Figure 5 relates to another alternative embodiment of the invention.
  • the front of the slide 44 is linked to the base plate 41 no longer by a link, but by a set of two inclined ramps 45 and 46 which slide one over the other.
  • the front of the slide has a ramp 45 oriented from bottom to top and from front to back.
  • This ramp is for example made by folding a tab located in the front part of the slide.
  • the base plate has a ramp 46 coming from the bottom of the plate.
  • the ramps 45 and 46 have substantially the same inclination, which is for example close to 45 degrees. Naturally, their dimensions allow relative movement between the slide and the base plate.
  • FIG. 6 represents another embodiment of the invention.
  • This figure shows a shoe retention assembly on a ski comprising a front binding element 53 and a rear binding element 54.
  • the front binding element is of a known type and is mounted on a base plate 64 joined to skiing.
  • the rear fixing element is essentially identical to the element described in relation to the previous figure 5.
  • the front of the slide rests by a ramp 65 on a complementary ramp 66 of the base plate 64.
  • a stiffening member 68 extends between the fastening elements 53 and 54. This member is connected to the front base 64 by an articulation around a transverse axis. Preferably, an elastically deformable block 62 is placed between the front end of the member 68 and the base plate 64.
  • the rear end of the member 68 is also designed to fit in vertical and longitudinal directions in the support plate 48 located at the front of the slide 60.
  • the plate 68 is recalled upwards in the absence of the boot by an arm 70 biased by a spring 71.
  • the arm is extended downwards by braking arms 72, so as to form a ski brake.
  • a damping block 62 is placed under the slide 60.
  • This device works as follows. When the shoe is engaged, the shoe lowers the plate 68 so that its rear end fits into the support plate 48. The stiffening member is in the active position.
  • the ramps 65 and 66 cooperate to hinder any relative roll movement. Their cooperation also causes the advance of the slide which is transmitted to the stiffening member 68. The member then exerts on the front base plate 64 a longitudinal thrust which tends to press the snow on the front end of the ski. Towards the rear, the reaction of this thrust is transmitted to the ski at the level of the ramp 66.
  • this construction could be equipped with the link 25 instead of the ramps, as anti-roll means.
  • anti-roll means which has been described can be adapted to other constructions, and in particular those described in the French patent applications published under the numbers 2 680 697, 2 684 885, 2 687 325, in the name of the plaintiff.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Magnetic Heads (AREA)
  • Die Bonding (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Sheet Holders (AREA)

Abstract

The body of the binding is on a base, forming a slide (4), and has a plate (9), supporting the boot. The slide moves on a base plate (11) which is joined to the ski by an articulation round a transversal axle at the back of the plate. A block of elastically deformable material (22) under the front end of the slide opposes its rocking. Feet (34, 35) on the front end of the slide are joined to the base plate by a bar (25). The ends of the bar are joined to the base plate and slide by two transversal axles (30, 31). <IMAGE>

Description

L'invention concerne un élément de fixation destiné à retenir l'extrémité d'une chaussure en appui sur un planche de glisse, notamment sur un ski. Plus précisément, l'invention concerne un élément de fixation destiné à retenir l'extrémité arrière d'une chaussure.The invention relates to a fastening element intended to retain the end of a boot bearing on a gliding board, in particular on a ski. More specifically, the invention relates to a fastening element intended to retain the rear end of a shoe.

L'invention concerne également un ensemble de fixation destiné à retenir une chaussure sur un ski comprenant un tel élément de fixation.The invention also relates to a binding assembly intended to retain a boot on a ski comprising such a binding element.

De nombreux éléments de fixation arrière sont connus. Ils sont le plus souvent associés à un élément de fixation avant. Ils comprennent généralement une mâchoire de retenue de la chaussure portée par un corps. Le corps est mobile le long d'une embase ou glissière selon la direction longitudinale du ski, et un ressort, appelé couramment ressort de recul, s'oppose élastiquement au mouvement du corps vers l'arrière, en s'appuyant sur une butée. Cette butée, généralement un verrou ou une vis coopérant avec la glissière, définit la position nominale du corps. Cette position nominale est changée pour adapter l'élément de fixation à la longueur de la chaussure, ou pour modifier la force de rappel que le ressort de recul exerce sur la corps en présence de la chaussure.Many rear fasteners are known. They are most often associated with a front fastening element. They generally include a shoe retaining jaw carried by a body. The body is movable along a base or slide in the longitudinal direction of the ski, and a spring, commonly called recoil spring, elastically opposes the movement of the body towards the rear, by resting on a stop. This stop, generally a lock or a screw cooperating with the slide, defines the nominal position of the body. This nominal position is changed to adapt the fastening element to the length of the shoe, or to modify the restoring force that the recoil spring exerts on the body in the presence of the shoe.

L'élément de fixation arrière comprend également une plaque de support destinée à recevoir l'extrémité arrière de la semelle de chaussure. Cette plaque de support est associée habituellement ou bien au corps, ou bien à la glissière.The rear binding element also includes a support plate for receiving the rear end of the shoe sole. This support plate is usually associated either with the body, or with the slide.

Ces derniers temps, on a travaillé sur la liaison entre l'élément de fixation arrière et le ski, afin d'améliorer l'amortissement ou le filtrage des secousses ou chocs auxquels le ski est soumis, et par là le confort du skieur.In recent times, work has been done on the connection between the rear binding element and the ski, in order to improve the damping or filtering of the jolts or shocks to which the ski is subjected, and thereby the comfort of the skier.

Ainsi, on a proposé des dispositifs où la glissière est isolée du ski par une couche de matériau amortissant. Un tel dispositif est par exemple connu d'après la demande de brevet français publiée sous le numéro FR 2 602 979. L'inconvénient de cette construction est que la couche de matériau amortissant isole totalement le ski et la chaussure, y compris pour les sensations que le skieur perçoit et les impulsions qu'il donne en réaction pour conduire son ski.Thus, devices have been proposed where the slide is isolated from the ski by a layer of damping material. Such a device is for example known from the French patent application published under the number FR 2 602 979. The drawback of this construction is that the layer of shock absorbing material completely isolates the ski and the boot, including for sensations that the skier perceives and the impulses he gives in reaction to drive his ski.

La demande de brevet PCT publiée sous le numéro FR 90/00908 propose une construction selon laquelle seulement la plaque d'appui de la chaussure est mobile et amortie par un bloc déformable. Cette construction donne de bons résultats. En effet, la liaison entre la plaque de support et la chaussure permet un amortissement sélectif des sollicitations. Les sollicitations verticales sont amorties, alors que les sollicitations de roulis transitent sans amortissement entre le ski et la chaussure.The PCT patent application published under the number FR 90/00908 proposes a construction according to which only the support plate of the shoe is mobile and cushioned by a deformable block. This construction gives good results. Indeed, the connection between the support plate and the shoe allows a selective damping of the stresses. The vertical stresses are damped, while the roll stresses pass without damping between the ski and the boot.

L'inconvénient de cette construction est toutefois que la mâchoire de l'élément de fixation est aussi sollicitée lors de l'amortissement des sollicitations verticales. La mâchoire subit en effet et suit tous les mouvements verticaux de la semelle de chaussure.The drawback of this construction, however, is that the jaw of the fastening element is also stressed during the damping of vertical stresses. The jaw undergoes indeed and follows all the vertical movements of the shoe sole.

L'invention a pour but d'améliorer encore la liaison entre la chaussure et le ski.The invention aims to further improve the connection between the boot and the ski.

Un autre but de l'invention est aussi d'optimiser le compromis entre l'amortissement de la chaussure et la précision de la conduite du ski.Another object of the invention is also to optimize the compromise between the cushioning of the boot and the precision of the ski handling.

Un autre but est de proposer une construction qui soit simple à réaliser.Another aim is to propose a construction which is simple to carry out.

Ces buts sont atteints par l'élément de fixation tel qu'il est défini dans la revendication 1.These objects are achieved by the fixing element as defined in claim 1.

La mobilité en rotation de la glissière autour d'un axe transversal fait que l'élément de fixation dans son ensemble bascule au cours des mouvements verticaux. Il y a amortissement selon une direction verticale. De plus, on augmente l'inertie des éléments en mouvement. Les sollicitations de roulis transitent cependant sans amortissement entre la glissière et le ski, à cause de l'articulation transversale qui les relie.The rotational mobility of the slide around a transverse axis causes the fastener as a whole topple during vertical movements. There is depreciation in a vertical direction. In addition, the inertia of the moving elements is increased. The rolling stresses pass however without damping between the slide and the ski, because of the transverse articulation which connects them.

Selon une autre caractéristique de l'invention, on ajoute un moyen anti-roulis entre la glissière et le ski. Ce moyen améliore la qualité de la transmission des sollicitations en roulis qui transitent entre la chaussure et le ski.According to another characteristic of the invention, an anti-roll means is added between the slide and the ski. This means improves the quality of the transmission of the rolling stresses which pass between the boot and the ski.

D'autres buts et avantages de l'invention apparaîtront au cours de la description qui va suivre et des dessins qui en font partie intégrante.Other objects and advantages of the invention will become apparent from the description which follows and from the drawings which form an integral part thereof.

La figure 1 est une vue de côté, en coupe partielle d'un élément de fixation selon un premier mode de mise en oeuvre de l'invention.Figure 1 is a side view, in partial section of a fastening element according to a first embodiment of the invention.

La figure 2 est une vue de côté en coupe de la plaque de base et de la glissière équipant l'élément de la figure 1.FIG. 2 is a side view in section of the base plate and of the slide equipping the element of FIG. 1.

La figure 3 est une vue partielle en perspective éclatée de la partie avant.Figure 3 is a partial exploded perspective view of the front part.

La figure 4 illustre une variante de réalisation de la biellette.Figure 4 illustrates an alternative embodiment of the link.

La figure 5 est une vue semblable à la figure 2 et illustre une variante de réalisation.Figure 5 is a view similar to Figure 2 and illustrates an alternative embodiment.

La figure 6 illustre un autre mode de mise en oeuvre de l'invention.Figure 6 illustrates another embodiment of the invention.

La figure 1 représente à titre l'illustration de l'invention un élément de fixation 1 comprenant de façon connue une mâchoire 2 de retenue de la chaussure portée par un corps 3. Le corps est monté coulissant le long d'une glissière 4 orientée selon la direction longitudinale définie par le ski. Un moyen tel qu'un verrou 5 cramponné dans la glissière définit une position nominale, et le corps peut reculer vers le verrou contre la force de rappel que lui oppose le ressort de recul 6.Figure 1 shows by way of illustration of the invention a fastening element 1 comprising in a known manner a jaw 2 for retaining the shoe carried by a body 3. The body is slidably mounted along a slide 4 oriented along the longitudinal direction defined by the ski. Means such as a lock 5 clipped to the slide defines a nominal position, and the body can move back towards the lock against the restoring force opposed to it by the recoil spring 6.

La glissière représentée dans les figures présente en section une forme de "C" couché et ouvert vers le haut. Le corps est guidé dans la glissière par des patins qui circulent dans les bords repliés de la glissière. Ceci n'est pas limitatif et toute autre mode d'assemblage du corps sur la glissière convient, en particulier toute autre section appropriée de glissière.The slide represented in the figures presents in section a form of "C" lying and open upwards. The body is guided in the slide by runners which circulate in the folded edges of the slide. This is not limiting and any other method of assembling the body on the slide is suitable, in particular any other appropriate section of slide.

L'élément de fixation 1 présente également une plaque de support 9 qui est destinée à recevoir l'appui de la chaussure.The fastening element 1 also has a support plate 9 which is intended to receive the support of the shoe.

Dans le mode de réalisation illustré, la plaque de support 9 présente vers le bas et vers l'arrière un embout 10 qui est emboîté dans le profilé de la glissière. Avantageusement, cet embout est situé sous la plate-forme de la plaque 9 de façon à pouvoir être engagé sur la glissière depuis l'arrière, et être coulissé le long de la glissière jusqu'à sa position de service de la figure 1.In the illustrated embodiment, the support plate 9 has downward and rearward a tip 10 which is fitted into the profile of the slide. Advantageously, this endpiece is located under the platform of the plate 9 so that it can be engaged on the slide from the rear, and be slid along the slide to its service position in FIG. 1.

La glissière est enveloppée dans une plaque de base 11.The slide is wrapped in a base plate 11.

La plaque de base 11 est destinée à être assemblée au ski par tout moyen approprié, par exemple par des vis. Elle présente un fond 12 destiné à être plaqué contre le ski. Le fond peut présenter de larges ouvertures. Latéralement, la plaque de base présente deux ailes 13 et 14 qui remontent le long des bords latéraux de la glissière 4. Ces ailes se referment au dessus de la glissière 4 par des rebords 15, 16, qui laissent entre eux un écartement suffisant pour que le corps puisse passer.The base plate 11 is intended to be assembled to the ski by any suitable means, for example by screws. It has a bottom 12 intended to be pressed against the ski. The bottom may have large openings. Laterally, the base plate has two wings 13 and 14 which go up along lateral edges of the slide 4. These wings close above the slide 4 by flanges 15, 16, which leave sufficient spacing between them so that the body can pass.

Le fond 12 et les rebords 15 et 16 sont légèrement convergents vers l'arrière de telle façon que selon une direction verticale, il n'y ait pas de jeu entre la partie arrière de la glissière 4 et la plaque de base. Un jeu existe toutefois sur l'avant de la glissière.The bottom 12 and the edges 15 and 16 are slightly convergent towards the rear so that in a vertical direction, there is no play between the rear part of the slide 4 and the base plate. However, there is play on the front of the slide.

De plus, la partie arrière de la glissière présente un patte horizontale 18. Cette patte est éventuellement divisée en deux segments. La patte 18 est logée dans un évidement 19 de dimension correspondante de la plaque de base, de façon à empêcher tout mouvement vers l'arrière de la glissière 4 par rapport à la plaque de base. Un mouvement relatif vers l'avant est toutefois possible.In addition, the rear part of the slide has a horizontal tab 18. This tab is optionally divided into two segments. The tab 18 is housed in a recess 19 of corresponding size on the base plate, so as to prevent any rearward movement of the slide 4 relative to the base plate. Relative forward movement is possible, however.

L'ensemble des moyens qui viennent d'être décrits font que la glissière peut osciller dans la plaque de base autour d'un axe horizontal et transversal situé approximativement à l'arrière de la glissière, sur une faible amplitude.All the means which have just been described mean that the slide can oscillate in the base plate around a horizontal and transverse axis located approximately at the rear of the slide, over a small amplitude.

La partie avant présente donc une mobilité relativement au ski, qui est orientée selon une direction approximativement verticale.The front part therefore has mobility relative to the ski, which is oriented in an approximately vertical direction.

Par contre, la partie arrière de la glissière ne peut pas osciller pour un mouvement de roulis, car elle est maintenue sans jeu entre le fond et les rebords de la plaque de base.On the other hand, the rear part of the slide cannot oscillate for a rolling movement, because it is kept without play between the bottom and the edges of the base plate.

Naturellement, tout autre moyen approprié convient pour assurer cette liaison, notamment une goupille transversale reliant les parties arrière de la glissière et de la plaque de base.Naturally, any other suitable means is suitable for ensuring this connection, in particular a transverse pin connecting the rear parts of the slide and the base plate.

Le mouvement vers le haut de la glissière est limité par les rebords 15 et 16.The upward movement of the slide is limited by the edges 15 and 16.

Vers le bas, la glissière repose sur un bloc de matériau élastiquement déformable schématisé en 22. Ce bloc présente éventuellement des propriétés amortissantes. Il pourrait être remplacé ou assisté par tout moyen déformable approprié, notamment un ressort, un amortisseur, ou autre.Downwards, the slide rests on a block of elastically deformable material shown diagrammatically at 22. This block possibly has damping properties. It could be replaced or assisted by any suitable deformable means, in particular a spring, a shock absorber, or the like.

Le bloc 22 présente une épaisseur prévue pour maintenir au repos l'avant de la glissière dans sa position haute, ou à proximité de cette position. Le bloc 22 permet aussi, par son élasticité, de rattraper les jeux de fonctionnement dus aux tolérances de fabrication des pièces. Sa raideur est prévue pour qu'il se comprime sous l'action du poids du skieur et des sollicitations verticales transitant à ce niveau entre la chaussure et le ski.The block 22 has a thickness provided to keep the front of the slide at rest in its high position, or close to this position. The block 22 also allows, by its elasticity, to make up for the operating clearances due to the manufacturing tolerances of the parts. Its stiffness is provided so that it compresses under the action of the weight of the skier and the vertical stresses passing at this level between the boot and the ski.

L'élément de fixation 1 peut être associé à tout frein de ski approprié. Notamment, le frein peut avoir comme palier l'avant de la plaque de base 11. Il peut aussi avoir un palier indépendant rapporté à l'avant de la plaque de base et fixé au ski avec elle.The fastening element 1 can be associated with any suitable ski brake. In particular, the brake can have as a bearing the front of the base plate 11. It can also have an independent bearing attached to the front of the base plate and fixed to the ski with it.

L'élément de fixation fonctionne de la façon suivante. L'arrière de la chaussure est relié au ski par l'intermédiaire du bloc 22 qui se comprime avec l'abaissement de la plaque de support 9 relativement au ski. Ainsi, au cours de la pratique du ski, les chocs et secousses du ski sont transmis à la chaussure selon une direction verticale va le bloc 22 qui réalise un filtrage ou un amortissement selon sa dureté. L'arrière de la chaussure est en quelque sorte monté sur une suspension qui opère selon une direction verticale. La liaison entre la glissière et la plaque de base s'oppose par ailleurs à un mouvement relatif au roulis de ces deux éléments.The fastener works as follows. The rear of the boot is connected to the ski by means of the block 22 which compresses with the lowering of the support plate 9 relative to the ski. Thus, during the practice of skiing, the shocks and jolts of the ski are transmitted to the boot in a vertical direction going to the block 22 which performs filtering or damping according to its hardness. The back of the shoe is somehow mounted on a suspension which operates in a vertical direction. The connection between the slide and the base plate also opposes a movement relating to the roll of these two elements.

Selon un mode préférentiel de mise en oeuvre de l'invention, l'élément de fixation 1 présente un moyen anti-roulis additionnel situé vers l'avant de la glissière.According to a preferred embodiment of the invention, the fixing element 1 has additional anti-roll means located towards the front of the slide.

Dans le mode de réalisation illustré dans les figures, le moyen anti-roulis comprend une large biellette 25 reliée à la plaque de base 11 et à la glissière 4 par une articulation autour d'un axe horizontal et transversal.In the embodiment illustrated in the figures, the anti-roll means comprises a large link 25 connected to the base plate 11 and to the slide 4 by an articulation around a horizontal and transverse axis.

La biellette 25 présente une largeur voisine de la largeur de la glissière 4. Ainsi que le montre la figure 3, la biellette peut être réalisée à partir d'un profilé plat dont les deux bouts latéraux sont repliés pour former les flancs. En outre, sa rigidité en torsion peut être renforcée par un repli transversal 26 formant une nervure. Naturellement, tout autre construction appropriée de la biellette convient. Par exemple, la biellette pourrait être réalisée à partir d'un fil d'acier replié en un large "U".The link 25 has a width close to the width of the slide 4. As shown in FIG. 3, the link can be made from a flat profile, the two lateral ends of which are folded back to form the sides. In addition, its torsional rigidity can be reinforced by a transverse fold 26 forming a rib. Naturally, any other suitable construction of the link is suitable. For example, the link could be made from a steel wire folded into a wide "U".

La biellette 25 est percée d'orifice qui définissent deux logements 28 et 29 pour des axes d'articulation 30 et 31. Les axes 30 et 31 sont parallèles entre eux et sont disposés sensiblement dans un plan horizontal. Les extrémités de l'axe 30 sont portés par la plaque de base 11, plus précisément par ses ailes 13 et 14.The link 25 is pierced with an orifice which defines two housings 28 and 29 for articulation axes 30 and 31. The axes 30 and 31 are mutually parallel and are arranged substantially in a horizontal plane. The ends of the axis 30 are carried by the base plate 11, more precisely by its wings 13 and 14.

L'axe 31 est situé en arrière de l'axe 30. Selon les figures, la glissière présente sur l'avant deux pattes 34 et 35 repliées pour que leur extrémité viennent reposer sur l'axe 31. Les pattes 34 et 35 sont largement écartées l'une de l'autre.The axis 31 is located behind the axis 30. According to the figures, the slide has on the front two legs 34 and 35 folded so that their ends come to rest on the axis 31. The legs 34 and 35 are largely separated from each other.

La plaque de support 9 qui est montée coulissante le long de la glissière est engagée sur l'avant jusqu'à ce quelle vienne en butée contre les pattes 34 et 35. Dans cette position, les nervures 37, qu'elle présente à sa face inférieure, font saillie entre les pattes. Ces nervures présentent un orifice transversal 38 situé dans le prolongement de l'intérieur du pli que présentent les pattes 34 et 35, qui est traversé par l'axe 31. On réalise ainsi une liaison par appui de la glissière sur l'axe 31, avec verrouillage par la coopération entre l'axe et la plaque de support 9. Naturellement toute autre liaison appropriée convient.The support plate 9 which is slidably mounted along the slide is engaged on the front until it comes into abutment against the legs 34 and 35. In this position, the ribs 37, which it has on its face lower, protrude between the legs. These ribs have a transverse orifice 38 situated in the extension of the interior of the fold which the tabs 34 and 35 have, which is crossed by the axis 31. A connection is thus produced by pressing the slide on the axis 31, with locking by the cooperation between the axis and the support plate 9. Naturally any other suitable connection is suitable.

La biellette 25 n'a qu'un degré de liberté en rotation autour de l'axe 30 par rapport à la plaque de base, et autour de l'axe 31 par rapport à la glissière.The link 25 has only one degree of freedom in rotation around the axis 30 relative to the base plate, and around the axis 31 relative to the slide.

La biellette empêche l'avant de la glissière d'avoir un mouvement de roulis. Par contre, la biellette n'oppose aucune résistance aux mouvements verticaux de l'avant de la glissière, ces mouvements provoquent la compression du bloc 22.The link prevents the front of the slide from rolling. On the other hand, the link does not offer any resistance to the vertical movements of the front of the slide, these movements cause the compression of the block 22.

Les sollicitations verticales entre la chaussure et le ski sont donc amorties ou filtrées, mais les sollicitations de roulis transitent entre la chaussure et le ski sans solliciter au roulis le bloc 22. On obtient un amortissement des sollicitations verticales sans nuire aux conditions de conduite du ski.The vertical stresses between the boot and the ski are therefore damped or filtered, but the roll stresses pass between the boot and the ski without stressing the roll 22. The vertical stresses are damped without harming the conditions for driving the ski .

On peut remarquer qu'au cours des mouvements verticaux de l'avant de la glissière, la biellette et la glissière suivent des trajectoires divergeantes. Les mouvements de ces éléments présentent une composante horizontale dont l'amplitude est cependant faible.It can be noted that during vertical movements of the front of the slide, the link and the slide follow diverging trajectories. The movements of these elements have a horizontal component, the amplitude of which is however small.

Pour permettre ce mouvement relatif de composante horizontale, on prévoit que la composante horizontale du mouvement relatif entre la biellette et la glissière entraîne la glissière vers l'avant. La liaison entre la glissière et la plaque de base autorise en effet un tel mouvement. Ce mouvement comprime par ailleurs le ressort de recul 6, étant donné que le corps de la fixation est retenu par la chaussure. Le ressort de recul tend à ramener élastiquement la glissière vers l'arrière.To allow this relative movement of the horizontal component, provision is made for the horizontal component of the relative movement between the link and the slide to drive the slide forward. The connection between the slide and the base plate indeed allows such movement. This movement also compresses the recoil spring 6, since the body of the binding is retained by the shoe. The recoil spring tends to bring the slide back elastically.

Selon cette construction, lors d'une forte pression de la chaussure sur le ski, la plaque de support 9 s'abaisse, provoquant la rotation de la biellette et de la glissière, ainsi qu'un mouvement vers l'avant de la glissière. Ce mouvement crée une compression additionnelle du ressort de recul.According to this construction, during a strong pressure of the boot on the ski, the support plate 9 is lowered, causing the rotation of the link and the slide, as well as a forward movement of the slide. This movement creates additional compression of the recoil spring.

Selon une autre variante visible en figure 4, l'un des logements de la biellette, en l'occurrence le logement 29' est oblong. L'oblong est orienté selon un plan horizontal, pour interdire un mouvement de roulis de l'axe 30.According to another variant visible in FIG. 4, one of the housings of the link, in this case the housing 29 ′ is oblong. The oblong is oriented in a horizontal plane, to prevent a rolling movement of the axis 30.

En variante, l'un des autres orifices traversé par les axes 30 et 31 pourrait être oblong.As a variant, one of the other orifices crossed by the axes 30 and 31 could be oblong.

La figure 5 est relative à une autre variante de réalisation de l'invention. Selon cette variante, l'avant de la glissière 44 est lié à la plaque de base 41 non plus par une biellette, mais par un ensemble de deux rampes inclinées 45 et 46 qui glissent l'une sur l'autre.Figure 5 relates to another alternative embodiment of the invention. According to this variant, the front of the slide 44 is linked to the base plate 41 no longer by a link, but by a set of two inclined ramps 45 and 46 which slide one over the other.

Ainsi, l'avant de la glissière présente une rampe 45 orientée de bas en haut et d'avant en arrière. Cette rampe est par exemple réalisée par le pliage d'une languette située dans la partie avant de la glissière. En regard de la rampe 45, la plaque de base présente une rampe 46 venue du fond de la plaque. Les rampes 45 et 46 présentent sensiblement la même inclinaison, qui est par exemple voisine de 45 degrés. Naturellement, leurs dimensions permettent le mouvement relatif entre la glissière et la plaque de base.Thus, the front of the slide has a ramp 45 oriented from bottom to top and from front to back. This ramp is for example made by folding a tab located in the front part of the slide. Opposite the ramp 45, the base plate has a ramp 46 coming from the bottom of the plate. The ramps 45 and 46 have substantially the same inclination, which is for example close to 45 degrees. Naturally, their dimensions allow relative movement between the slide and the base plate.

Lorsque la glissière s'abaisse, les rampes 45 et 46 glissent l'une sur l'autre en contrariant un mouvement de roulis de l'avant de la glissière. Le glissement relatif des rampes 45 et 46 s'accompagne d'un mouvement vers l'avant de la glissière 44 qui se produit dans les mêmes conditions que ce qui a été décrit précédemment. Le mouvement longitudinal de la glissière est cependant plus prononcé ici.When the slide is lowered, the ramps 45 and 46 slide one over the other, counteracting a rolling movement from the front of the slide. The relative sliding of the ramps 45 and 46 is accompanied by a forward movement of the slide 44 which occurs under the same conditions as what has been described previously. The longitudinal movement of the slide, however, is more pronounced here.

La figure 6 représente un autre mode de mise en oeuvre de l'invention.FIG. 6 represents another embodiment of the invention.

Cette figure montre un ensemble de retenue d'une chaussure sur un ski comprenant un élément de fixation avant 53 et un élément de fixation arrière 54. L'élément de fixation avant est d'un type connu et il est monté sur une plaque de base 64 solidarisée au ski.This figure shows a shoe retention assembly on a ski comprising a front binding element 53 and a rear binding element 54. The front binding element is of a known type and is mounted on a base plate 64 joined to skiing.

L'élément de fixation arrière est identique pour l'essentiel à l'élément décrit relativement à la figure 5 précédente. En particulier, l'avant de la glissière repose par une rampe 65 sur une rampe complémentaire 66 de la plaque de base 64.The rear fixing element is essentially identical to the element described in relation to the previous figure 5. In particular, the front of the slide rests by a ramp 65 on a complementary ramp 66 of the base plate 64.

Un organe de raidissement 68 s'étend entre les éléments de fixation 53 et 54. Cet organe est relié à l'embase avant 64 par une articulation autour d'un axe transversal. De préférence, un bloc élastiquement déformable 62 est placé entre l'extrémité avant de l'organe 68 et la plaque de base 64.A stiffening member 68 extends between the fastening elements 53 and 54. This member is connected to the front base 64 by an articulation around a transverse axis. Preferably, an elastically deformable block 62 is placed between the front end of the member 68 and the base plate 64.

L'extrémité arrière de l'organe 68 est par ailleurs prévue pour s'emboîter selon des directions verticales et longitudinales dans la plaque de support 48 située à l'avant de la glissière 60.The rear end of the member 68 is also designed to fit in vertical and longitudinal directions in the support plate 48 located at the front of the slide 60.

La plaque 68 est rappelée vers le haut en l'absence de la chaussure par un bras 70 sollicité par un ressort 71. Le bras se prolonge vers le bas par des bras de freinage 72, de façon à former un frein de ski.The plate 68 is recalled upwards in the absence of the boot by an arm 70 biased by a spring 71. The arm is extended downwards by braking arms 72, so as to form a ski brake.

Comme dans le cas précédent, un bloc amortisseur 62 est placé sous la glissière 60.As in the previous case, a damping block 62 is placed under the slide 60.

Ce dispositif fonctionne de la façon suivante. Lors de l'engagement de la chaussure, la chaussure abaisse la plaque 68 de façon que son extrémité arrière s'emboîte dans la plaque de support 48. L'organe de raidissement est en position active.This device works as follows. When the shoe is engaged, the shoe lowers the plate 68 so that its rear end fits into the support plate 48. The stiffening member is in the active position.

Au cours de la pratique du ski, les sollicitations verticales de la chaussure relativement au ski produisent un abaissement de l'avant de la glissière, qui est contrarié par la compression du bloc 62.During skiing, the vertical stresses of the boot relative to the ski produce a lowering of the front of the slide, which is counteracted by the compression of the block 62.

Les rampes 65 et 66 coopèrent pour entraver tout mouvement relatif de roulis. Leur coopération provoque aussi l'avancée de la glissière qui est transmise à l'organe de raidissement 68. L'organe exerce alors sur la plaque de base avant 64 une poussée longitudinale qui tend à appuyer sur la neige l'extrémité avant du ski. Vers l'arrière, la réaction de cette poussée est transmise au ski au niveau de la rampe 66.The ramps 65 and 66 cooperate to hinder any relative roll movement. Their cooperation also causes the advance of the slide which is transmitted to the stiffening member 68. The member then exerts on the front base plate 64 a longitudinal thrust which tends to press the snow on the front end of the ski. Towards the rear, the reaction of this thrust is transmitted to the ski at the level of the ramp 66.

Naturellement, cette construction pourrait être équipée de la biellette 25 au lieu des rampes, en tant que moyen anti-roulis.Naturally, this construction could be equipped with the link 25 instead of the ramps, as anti-roll means.

De même, le moyen anti-roulis qui a été décrit peut être adapté à d'autres constructions, et notamment celles décrites dans les demandes de brevet français publiées sous les numéros 2 680 697, 2 684 885, 2 687 325, au nom de la demanderesse.Similarly, the anti-roll means which has been described can be adapted to other constructions, and in particular those described in the French patent applications published under the numbers 2 680 697, 2 684 885, 2 687 325, in the name of the plaintiff.

L'invention n'est pas limitée aux différents modes de construction qui ont été décrits, elle englobe les variantes, les équivalents, et de façon générale les constructions telles qu'elles sont définies par les revendications.The invention is not limited to the various modes of construction which have been described, it encompasses variants, equivalents, and generally constructions as defined by the claims.

Claims (7)

Elément de fixation (1, 54) destiné à retenir l'extrémité d'une chaussure en appui contre un ski, comprenant un corps (3) porté par une embase formant glissière (4, 60), comprenant une plaque de support (9, 48) destinée à supporter l'extrémité de la semelle de chaussure, caractérisé par le fait que la glissière (4, 44, 60) est montée de façon mobile par rapport à une plaque de base (11, 41, 64) destinée à être solidarisée au ski, qu'elle est reliée à la plaque de base par une articulation autour d'un axe horizontal et transversal situé vers une extrémité de la plaque de base dite extrémité arrière, et qu'un moyen de rappel élastique (22, 62) est situé sous la glissière vers son autre extrémité dite extrémité avant, de façon à s'opposer élastiquement à un basculement de la glissière vers la plaque de base.Fastening element (1, 54) intended to retain the end of a boot in abutment against a ski, comprising a body (3) carried by a base forming a slide (4, 60), comprising a support plate (9, 48) intended to support the end of the shoe sole, characterized in that the slide (4, 44, 60) is mounted movably relative to a base plate (11, 41, 64) intended to be secured to the ski, that it is connected to the base plate by an articulation around a horizontal and transverse axis situated towards one end of the base plate called the rear end, and that an elastic return means (22, 62 ) is located under the slide towards its other end called the front end, so as to elastically oppose a tilting of the slide towards the base plate. Elément selon la revendication 1, caractérisé par le fait qu'un moyen anti-roulis (25, 45, 46, 65, 66) relie l'extrémité avant de la glissière à la plaque de base.Element according to claim 1, characterized in that an anti-roll means (25, 45, 46, 65, 66) connects the front end of the slide to the base plate. Elément selon la revendication 2, caractérisé par le fait que le moyen anti-roulis comprend une biellette articulée (25) autour de deux axes parallèles (30, 31), horizontaux et transversaux, l'un porté par la plaque de base (11) et l'autre porté par la glissière (4).Element according to claim 2, characterized in that the anti-roll means comprises an articulated link (25) around two parallel axes (30, 31), horizontal and transverse, one carried by the base plate (11) and the other carried by the slide (4). Elément selon la revendication 3, caractérisé par le fait que l'un (29') des paliers des axes de la biellette (25') présente une forme oblongue orientée dans un plan horizontal.Element according to claim 3, characterized in that one (29 ') of the bearings of the axes of the link (25') has an oblong shape oriented in a horizontal plane. Elément selon la revendication 2, caractérisé par le fait que les moyens comprennent pour la plaque de base (44) une face inclinée (46) orientée selon une direction transversale, coopérant avec une face inclinée sensiblement parallèle (45) située à la face inférieure de la glissière (44).Element according to claim 2, characterized in that the means comprise for the base plate (44) an inclined face (46) oriented in a transverse direction, cooperating with a substantially parallel inclined face (45) located on the underside of the slide (44). Elément selon la revendication 4 ou 5, caractérisé par le fait que l'articulation de l'extrémité arrière de la glissière (4) à la plaque de base (11) présente un jeu selon une direction longitudinale.Element according to claim 4 or 5, characterized in that the articulation of the rear end of the slide (4) to the base plate (11) has a play in a longitudinal direction. Ensemble d'éléments de retenue d'une chaussure sur un ski, caractérisé par le fait qu'il comprend un élément de fixation arrière (54) selon l'une quelconque des revendications précédentes, associé à un élément de fixation avant (53) et un organe de raidissement qui s'étend entre l'élément de fixation avant et l'extrémité avant de la glissière (60).Set of elements for retaining a boot on a ski, characterized in that it comprises a rear binding element (54) according to any one of the preceding claims, associated with a front binding element (53) and a stiffening member which extends between the front fixing element and the front end of the slide (60).
EP95102865A 1994-03-24 1995-03-01 Skibinding Expired - Lifetime EP0678314B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9403615 1994-03-24
FR9403615A FR2718047B1 (en) 1994-03-29 1994-03-29 Fastening element intended to retain the end of a shoe on a sliding board.

Publications (2)

Publication Number Publication Date
EP0678314A1 true EP0678314A1 (en) 1995-10-25
EP0678314B1 EP0678314B1 (en) 1998-09-30

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EP95102865A Expired - Lifetime EP0678314B1 (en) 1994-03-24 1995-03-01 Skibinding

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EP (1) EP0678314B1 (en)
JP (1) JPH07265485A (en)
AT (1) ATE171633T1 (en)
DE (1) DE69505037T2 (en)
FR (1) FR2718047B1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1072294A1 (en) * 1999-07-27 2001-01-31 Salomon S.A. Interface device between a ski boot and a ski
EP2517761A1 (en) * 2011-04-27 2012-10-31 Skis Rossignol Heelpiece of a safety binding for alpine ski

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417313A1 (en) * 1978-02-20 1979-09-14 Tmc Corp SKI SECURITY BINDINGS
FR2640152A1 (en) * 1988-12-13 1990-06-15 Salomon Sa ALPINE REAR SKI FIXATION
FR2654635A1 (en) * 1989-11-22 1991-05-24 Salomon Sa Device for mounting a boot on a ski
WO1993014837A1 (en) * 1992-01-31 1993-08-05 Salomon S.A. Device for altering pressure distribution over the sliding surface of a ski
EP0556610A2 (en) * 1992-02-18 1993-08-25 Salomon S.A. Device for modifying the natural pressure distribution of a ski on its surface-sole
EP0567780A1 (en) * 1992-04-17 1993-11-03 Salomon S.A. Interface device on a ski

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2417313A1 (en) * 1978-02-20 1979-09-14 Tmc Corp SKI SECURITY BINDINGS
FR2640152A1 (en) * 1988-12-13 1990-06-15 Salomon Sa ALPINE REAR SKI FIXATION
FR2654635A1 (en) * 1989-11-22 1991-05-24 Salomon Sa Device for mounting a boot on a ski
WO1993014837A1 (en) * 1992-01-31 1993-08-05 Salomon S.A. Device for altering pressure distribution over the sliding surface of a ski
EP0556610A2 (en) * 1992-02-18 1993-08-25 Salomon S.A. Device for modifying the natural pressure distribution of a ski on its surface-sole
EP0567780A1 (en) * 1992-04-17 1993-11-03 Salomon S.A. Interface device on a ski

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1072294A1 (en) * 1999-07-27 2001-01-31 Salomon S.A. Interface device between a ski boot and a ski
EP2517761A1 (en) * 2011-04-27 2012-10-31 Skis Rossignol Heelpiece of a safety binding for alpine ski
FR2974515A1 (en) * 2011-04-27 2012-11-02 Rossignol Sa SAFETY FASTENING TALONNIER FOR ALPINE SKI

Also Published As

Publication number Publication date
EP0678314B1 (en) 1998-09-30
FR2718047A1 (en) 1995-10-06
DE69505037D1 (en) 1998-11-05
DE69505037T2 (en) 1999-04-29
ATE171633T1 (en) 1998-10-15
JPH07265485A (en) 1995-10-17
FR2718047B1 (en) 1996-05-31

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