EP2168640A1 - Rear binding for ski boots with mobile-housing - Google Patents

Rear binding for ski boots with mobile-housing Download PDF

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Publication number
EP2168640A1
EP2168640A1 EP09170946A EP09170946A EP2168640A1 EP 2168640 A1 EP2168640 A1 EP 2168640A1 EP 09170946 A EP09170946 A EP 09170946A EP 09170946 A EP09170946 A EP 09170946A EP 2168640 A1 EP2168640 A1 EP 2168640A1
Authority
EP
European Patent Office
Prior art keywords
heel
trigger
ski boot
carriage
ski
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP09170946A
Other languages
German (de)
French (fr)
Other versions
EP2168640B1 (en
Inventor
Frédéric Farges
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skis Rossignol SA
Original Assignee
Skis Rossignol SA
Rossignol SA
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
Application filed by Skis Rossignol SA, Rossignol SA filed Critical Skis Rossignol SA
Priority to EP11171033A priority Critical patent/EP2371427A1/en
Publication of EP2168640A1 publication Critical patent/EP2168640A1/en
Application granted granted Critical
Publication of EP2168640B1 publication Critical patent/EP2168640B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0844—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable the body pivoting about a transverse axis
    • 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
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0846—Details of the release or step-in mechanism
    • 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
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/084—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0848—Structure or making
    • 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
    • A63C2009/008—Ski bindings with a binding element sliding along a rail during use or setting

Definitions

  • the invention relates to a heel of a "moving body” type safety fastening device for a ski boot, that is to say a device intended to securely hold the back of a boot on a ski by exerting a pressing on the heel of the shoe while pressing forward the entire shoe against a front attachment device, and ensuring an automatic release of the back of the shoe in case of falling the skier forward . It also relates to a fixing device comprising a stop and such a heel and a ski on which is fixed such a heel.
  • a first family of heels is based on a fixed body comprising the trigger mechanism of the heel and a very simple separate element, rotatable relative to this body, lever type, comprising at its front end a jaw to grab the heel of a shoe.
  • the rotation of this "jaw lever” relative to the fixed body allows the heel to occupy two closed and open positions to fix or release a ski boot.
  • the present invention is concerned with a second family of heels, said "moving body", which rests on a movable body that can occupy a closed position and an open position, comprising at its front end a jaw to grip the heel of a shoe in the closed position and in its rear part a mechanism to implement the trigger function that allows to release the back of the shoe in case of significant effort as is the case in a fall of the skier to the before.
  • This body is generally mobile in rotation around a trolley connected to the ski, and can occupy the closed position of skiing practice and the open position in which the skier can remove his shoe.
  • a first example of a heel piece according to this second patent family is described in the document FR2507095 .
  • this solution has the disadvantage of having a central body on which rotates the very large movable body, which causes difficulties in developing the tilting of the movable body and limits the amplitude of its rotation, which can not reach a maximum. position sufficiently high in the open position to make easy donning and can not reach a sufficiently low position in the closed position to exert a satisfactory forward thrust on the shoe, which induces a poor trigger performance during a fall in torsion and requires a precise longitudinal positioning of the adjustment to the length of the shoe.
  • such a central body must be metal to withstand the high forces that may occur in an application with a high trigger, for example for the competition.
  • the shape of the cam is such that under the effect of spring pressure, the shoe once pavement is pressed forward against the binding before and down against the ski. Only a large effort can tilt the body around the cam by pushing the piston and compressing the spring, which triggers the opening of the heel.
  • These heels more expensive and more efficient than those of the first family with fixed bodies, rely on a single body combining all the essential functions of the binding, and have triggers that release a shoe during very high efforts, which is particularly suitable for ski racing.
  • a disadvantage of these heels is their great complexity.
  • the cam used undergoes very high forces by its positioning between two only lateral support points and is necessarily made of metal to support them.
  • this cam generally has a shape with a flat portion, which allows to achieve stability only in the closed position of the heel and not in its open position, while causing difficulties for the donning and heaving of the heel
  • the object of the present invention is to provide a movable body heel more simple and less expensive.
  • the invention achieves this object by providing an overall structure of the heel which allows a good resistance to the forces of the cam, adapted to a wide range of operation up to high trigger levels, while providing ease of donning and heaving and a push forward on the satisfactory shoe.
  • the invention is based on a heel safety fastening ski boot that can occupy at least two positions, an open position and a closed position in which it is suitable for secure holding of a ski boot for the practice of skiing,
  • the heel comprising a movable body comprising a release spring to allow the release of the boot by opening the heel in case of effort greater than a predetermined threshold, this body occupying two different positions in each of the two positions of the heel, the body being movable relative to a carriage about a connecting axis, the carriage comprising a base and a trigger body comprising a trigger surface, characterized in that the triggering surface is connected to the base by a first connecting means formed by the trigger body and by a second connecting means formed by the connecting axis between the carriage and the movable body and at least one arm reinforcement.
  • the trigger body may also be connected to the connecting axis between the carriage and the movable body and the trigger surface may be in cooperation with a piston of the movable body.
  • At least the portion of the trigger body comprising the triggering surface may be of plastic material or fiber reinforced plastic material.
  • the trigger body may be a monolithic body of plastic material or fiber reinforced plastic material.
  • the movable body may have an open zone downwards between the jaw of its front end and a piston cooperating with the trigger surface of the carriage.
  • the trigger body may be a central body extending from the base of the carriage to the upper portion of the carriage.
  • the safety attachment heel may comprise two lateral arms distributed on either side of the trigger body. These lateral arms may delimit a space between the trigger body and themselves so as to receive a portion of the movable body.
  • the trigger body may comprise a substantially cylindrical upper portion oriented transversely to the heel piece, comprising a transverse tubular opening intended to receive the connecting axis with the movable body, this upper part comprising the triggering surface.
  • the trigger body may comprise a lower connecting part of its upper part with the base, this lower part comprising a narrow portion, of dimension measured in the longitudinal direction of between 8 and 14 millimeters.
  • the movable body may have an amplitude of rotation greater than 70 degrees between its two positions.
  • the trigger body and the at least one reinforcing arm may include openings for receiving the connecting pin with the movable body.
  • the triggering surface may be a ramp.
  • the invention also relates to a device for attaching a ski boot to a ski, comprising a stop for receiving the front portion of a ski boot, and characterized in that it comprises a heel piece as described previously for receive the back part of the ski boot.
  • the invention also relates to a ski comprising a safety attachment heel for a ski boot as described above.
  • the longitudinal direction x as the horizontal direction extending from the rear to the front of the heel
  • the transverse direction y the horizontal direction perpendicular to the direction x
  • the vertical direction z perpendicular to the horizontal plane defined by the x and y axes, pointing upwards.
  • the heel according to the embodiment of the invention comprises a tubular body 21 movable around a carriage 1 adapted for mounting on a ski, via slides 2 provided on the side portions of the lower base 3 of the carriage, to allow the adjustment of its longitudinal position on a ski to adapt it to different sizes of shoes.
  • the movable tubular body 21 comprises in its front part a jaw or "bale grab" 22 adapted for the right-of-way of the normalized sidewalk of a ski boot.
  • the movable body 21, more particularly visible on the Figures 3, 4 and 9 comprises within it a triggering mechanism that allows the automatic passage of the heel of the closed ski practice position configuration, shown in FIG. figure 1 , in the open configuration shown in figure 2 , in which the ski boot can escape the heel grip.
  • This triggering is automatically implemented in case of skier's fall causing a force on the jaw greater than a predefined threshold.
  • the movable body 21 passes from the closed configuration to the open configuration by a rotational movement relative to the carriage 1, about an axis 10.
  • the movable body comprises different elements in its interior volume.
  • a compression spring 23 bears against the abutment 25 in the upper rear part of the body 21 and bears against a piston 24 at its other end.
  • This piston 24 cooperates with a trigger surface provided on the carriage 1, detailed below.
  • the triggering threshold can be modified in known manner by modifying the degree of compression of the spring 23 by a set screw 26 positioned at the rear end of the movable body 21 and able to move the abutment 25.
  • the moving body 21 and has the particularity of having a large area open 29 down between its jaw 22 and the trigger piston 24, intended to receive the trigger surface of the carriage, as will be detailed later.
  • the concept of the invention consists in reinforcing the triggering surface or cam which supports the forces of the movable body by connecting it by two connecting means complementary to the base of the carriage, including at least one reinforcing arm and the body which carries drug.
  • This allows to realize the main structure of the triggering surface receiving the most important plastic forces, within a fixed body 4, which we will call “fixed trigger body” 4.
  • the fixed trigger body has a volume optimized, representing a compromise between a volume generally sufficient to provide a sufficiently strong structure with an economic material, such as a simple plastic for example, possibly reinforced with glass fibers or any equivalent, and a minimized volume to allow a satisfactory tilting of the movable body and easy donning and a push forward of a satisfactory shoe.
  • This solution is less expensive than the solutions of the state of the art that require the use of a metal part.
  • the carriage 1, particularly visible on the Figures 5 to 8 comprises a fixed trigger body 4 which is a monolithic central part, in a single body, which extends from the base 3 of the carriage near the surface of the ski to the highest part of the carriage , and over a large width of the carriage, measured along the y direction.
  • This central fixed body 4 comprises a substantially cylindrical upper portion 5 oriented transversely to the heel piece, comprising a transverse tubular opening 6 intended to receive the connecting pin 10 with the movable body 21.
  • the upper part 5 comprises in its rear part a zone deviating from the cylindrical shape, forming a ramp 7 which performs the trigger function in cooperation with the piston 24 of the tubular body 21, as will be detailed later.
  • the ramp 7 extends transversely over the entire width of the central body 4, parallel to the transverse opening 6 in the y direction, and has a substantially triangular section, with a vertex 8 surrounded by two slopes respectively upper 9 and lower 9 ' .
  • This upper part 5 is directly connected to the base 3 by a lower portion of the fixed body 4, which extends over the entire width of the upper portion 5 and has a relatively narrow area of small dimension in the longitudinal direction x.
  • the body 4 represents a first means of connecting and supporting the surface of the ramp 7.
  • this narrower zone comprises a minimum dimension L about 11 millimeters, illustrated on the figure 5 .
  • Providing a narrow trigger body 4 in the lower part disposed under the triggering ramp 7 is advantageous since this has the effect of a small footprint facilitating the establishment of the movement of the movable body 21, allowing the definition of a ramp Triggering the booting phases and release of the heel while performing a function of tripping performance. More generally, a minimum dimension of this body in the longitudinal direction x of between 8 and 14 millimeters is advantageous. With such a geometry, the moving body reaches an amplitude of rotation greater than 70 degrees.
  • the moving body is therefore provided with a rotation amplitude of 73 degrees between its two extreme positions.
  • a reinforcing rib can be arranged between the lower slope 9 'of the ramp 7 and the narrow part of the lower part of the fixed body 4.
  • the carriage 1 further comprises two side-mounted arms 11 comprising in their upper part openings 12 for the reception of the connecting shaft 10 which extends transversely of an arm towards the other through the opening 6 arranged in the fixed central body 4 and through openings 27 arranged on two lower lateral wings 28 of the movable body 21, visible on the figure 9 , which are positioned in the space 13 provided between the arms 11 and the central body 4 of the carriage 1.
  • These attached arms 11 may be in the same material as the body 4, plastic, optionally reinforced with fibers or metal parts. In a variant, the arms 11 may be made entirely of metal. They are fixed to the base 3 of the carriage 1 in their lower part by screws. Alternatively, any fastening means may be suitable, as a clipping, gluing ... According to yet another variant, the arms could form the same element with the base and / or the trigger body, obtained by molding.
  • the operation of the heel is particularly visible on Figures 3 and 4 .
  • the heel is in closed configuration, the piston 24 is held in abutment on the upper slope 9 of the ramp 7, stably.
  • the piston 24 is pushed back until it reaches the top 8 of the ramp 7, to finally switch to the lower slope 9 'of the ramp 7, in the second open stable position shown on the figure 4 .
  • the triggering surface on the carriage has been illustrated via a ramp 7, which provides an advantageous triggering behavior.
  • this surface could be different, could alternatively be more generally in the form of any cam surface.
  • this trigger surface could have all kinds of dimensions, could for example not occupy the entire width of the trigger body.
  • this surface has been shown as extending over the entire width of a central body of the carriage provided between two arms reported.
  • the trigger body comprising the triggering surface could have any other geometries, for example no longer be a central body.
  • this body has a shape that allows to directly connect the trigger surface positioned in its upper part to the base of the carriage, by a connection means separate from the connecting pin 10 and / or reported arms.
  • the trigger body may occupy more than half the width of the heel to present a volume to achieve great strength.
  • the trigger body will advantageously have a monolithic shape enabling it to be manufactured by injection or shaping of a plastic material and the triggering surface will occupy a large area so as to have sufficient strength.
  • This body may be any rigid plastic, such as polyamide, optionally reinforced with a fiber-based structure.
  • the trigger body may be an assembly of several distinct elements, possibly of different materials.
  • this body may comprise a high part of plastic material comprising the triggering surface, and a lower part disposed under this surface of tripping so connect directly with the base of the carriage, this lower part can be in any material.
  • the shape of the arms reported can be the same different.
  • the arms can be positioned in contact with the central fixed body, and no longer delimit a space 13 as in the embodiment shown, the movable body then being positioned outside these reported arms.
  • a single reported arm could suffice.
  • this arm could be centered, disposed through an opening of the trigger body for example.
  • This at least one arm is in the form of an element connected to the base of the carriage and separate from the trigger body, so as to form a reinforcement of the trigger body by supporting a portion of the forces experienced by the surface of the trigger and transmitted via the axis of the moving body. It can have all shapes and sizes allowing it to fulfill this function.
  • a carriage for receiving a movable body of a heel of the second family recalled in the preamble comprising a construction in which a base forms its lower part, suitable for connection with a ski, and wherein the triggering surface is directly connected by the trigger body to this base, according to a first connecting means, and is connected in parallel to the base by at least one reinforcing arm, via the mounting axis of the movable body of the heel, according to a second connecting means, the trigger surface and the reinforcing arm being both connected to the axis of the mounting the movable body of the heel.

Abstract

The heel-piece has a tubular mobile body comprising a compression spring for releasing ski boot through an opening of the heel piece during an effort greater than a preset threshold. The body is moved with respect to a carriage around a connecting axle. The carriage includes a lower base (3) and a fixed actuating body (4) comprising an actuating surface i.e. ramp (7). The ramp is connected to the base by a connecting unit formed by the actuating body and another connecting unit formed by the axle between the carriage and the mobile body and lateral arms (11). An independent claim is also included for a device for fixing a ski boot on a ski.

Description

L'invention concerne une talonnière de dispositif de fixation de sécurité de type « à corps mobile » pour chaussure de ski, c'est à dire un dispositif destiné à maintenir de manière sécurisée l'arrière d'une chaussure sur un ski en exerçant une pression sur le talon de la chaussure tout en pressant vers l'avant l'ensemble de la chaussure contre un dispositif de fixation avant, et en assurant une libération automatique de l'arrière de la chaussure en cas de chute du skieur vers l'avant. Elle concerne aussi un dispositif de fixation comprenant une butée et une telle talonnière ainsi qu'un ski sur lequel est fixée une telle talonnière.The invention relates to a heel of a "moving body" type safety fastening device for a ski boot, that is to say a device intended to securely hold the back of a boot on a ski by exerting a pressing on the heel of the shoe while pressing forward the entire shoe against a front attachment device, and ensuring an automatic release of the back of the shoe in case of falling the skier forward . It also relates to a fixing device comprising a stop and such a heel and a ski on which is fixed such a heel.

Une première famille de talonnières, dites « à corps fixe », repose sur un corps fixe comprenant le mécanisme de déclenchement de la talonnière et sur un élément distinct très simple, mobile en rotation par rapport à ce corps, de type levier, comprenant à son extrémité avant une mâchoire pour agripper le talon d'une chaussure. La rotation de ce « levier mâchoire » par rapport au corps fixe permet à la talonnière d'occuper deux positions fermées et ouvertes pour fixer ou libérer une chaussure de ski.A first family of heels, called "fixed body", is based on a fixed body comprising the trigger mechanism of the heel and a very simple separate element, rotatable relative to this body, lever type, comprising at its front end a jaw to grab the heel of a shoe. The rotation of this "jaw lever" relative to the fixed body allows the heel to occupy two closed and open positions to fix or release a ski boot.

La présente invention s'intéresse à une seconde famille de talonnières, dites « à corps mobile », qui repose sur un corps mobile pouvant occuper une position fermée et une position ouverte, comprenant à son extrémité avant une mâchoire pour agripper le talon d'une chaussure dans la position fermée et dans sa partie arrière un mécanisme pour mettre en oeuvre la fonction de déclenchement qui permet de libérer l'arrière de la chaussure en cas d'effort important comme c'est le cas dans une chute du skieur vers l'avant. Ce corps est en général mobile en rotation autour d'un chariot relié au ski, et peut occuper la position fermée de pratique du ski et la position ouverte dans laquelle le skieur peut enlever sa chaussure.The present invention is concerned with a second family of heels, said "moving body", which rests on a movable body that can occupy a closed position and an open position, comprising at its front end a jaw to grip the heel of a shoe in the closed position and in its rear part a mechanism to implement the trigger function that allows to release the back of the shoe in case of significant effort as is the case in a fall of the skier to the before. This body is generally mobile in rotation around a trolley connected to the ski, and can occupy the closed position of skiing practice and the open position in which the skier can remove his shoe.

Un premier exemple d'une talonnière selon cette seconde famille de brevet est décrit dans le document FR2507095 . Cette solution présente toutefois l'inconvénient de présenter un corps central sur lequel pivote le corps mobile très volumineux, qui entraîne des difficultés pour mettre au point le basculement de ce corps mobile et limite l'amplitude de sa rotation, qui ne peut pas atteindre une position suffisamment haute en position ouverte pour rendre facile le chaussage et ne peut pas atteindre une position suffisamment basse en position fermée pour exercer une poussée satisfaisante vers l'avant sur la chaussure, ce qui induit une mauvaise performance de déclenchement lors d'une chute en torsion et demande un positionnement longitudinal précis du réglage à la longueur de la chaussure. De plus, un tel corps central doit se trouver en métal pour supporter les efforts élevés qui peuvent survenir dans une application avec un seuil de déclenchement élevé, par exemple pour la compétition.A first example of a heel piece according to this second patent family is described in the document FR2507095 . However, this solution has the disadvantage of having a central body on which rotates the very large movable body, which causes difficulties in developing the tilting of the movable body and limits the amplitude of its rotation, which can not reach a maximum. position sufficiently high in the open position to make easy donning and can not reach a sufficiently low position in the closed position to exert a satisfactory forward thrust on the shoe, which induces a poor trigger performance during a fall in torsion and requires a precise longitudinal positioning of the adjustment to the length of the shoe. In addition, such a central body must be metal to withstand the high forces that may occur in an application with a high trigger, for example for the competition.

Ainsi, l'approche précédente a été abandonnée pour d'autres talonnières de conception différente selon cette seconde famille, qui sont par exemple décrites dans les brevets EP1745827 , FR2765115 et EP0893146 . Ces solutions décrivent un corps cylindrique tubulaire comprenant à une extrémité un agrippe talon et un axe came portant une came formée dans une pièce cylindrique reliée à deux bras latéraux du chariot formant un étrier en forme de U. L'axe came représente l'axe de rotation du corps cylindrique tubulaire et forme une came suspendue entre deux bras latéraux. Ce corps tubulaire met en oeuvre la fonction de déclenchement, et comprend généralement un ressort hélicoïdal, travaillant en compression entre un piston en appui sur la came et une butée située vers l'extrémité opposée à la came. La forme de la came est telle que sous l'effet de pression du ressort, la chaussure une fois chaussée est pressée vers l'avant contre la fixation avant et vers le bas contre le ski. Seul un effort important permet de basculer le corps autour de la came en repoussant le piston et en comprimant le ressort, ce qui déclenche l'ouverture de la talonnière. Ces talonnières, plus coûteuses et plus performantes que celles de la première famille à corps fixes, reposent sur un corps unique réunissant toutes les fonctions essentielles de la fixation, et présentent des déclenchements qui permettent de libérer une chaussure lors d'efforts très élevés, ce qui est particulièrement adapté au ski de compétition. Toutefois, un inconvénient de ces talonnières est leur grande complexité. Notamment, la came utilisée subit des efforts très élevés par son positionnement entre deux seuls points d'appui latéraux et se trouve obligatoirement en métal pour les supporter. De plus, cette came présente en général une forme avec une partie plate, ce qui permet d'atteindre une stabilité uniquement dans la position fermée de la talonnière et non dans sa position ouverte, tout en entraînant des difficultés pour le chaussage et le déchaussage de la talonnière.Thus, the previous approach has been abandoned for other heels of different design according to this second family, which are for example described in patents EP1745827 , FR2765115 and EP0893146 . These solutions describe a tubular cylindrical body comprising at one end a heel grip and a cam axis carrying a cam formed in a cylindrical piece connected to two lateral arms of the carriage forming a U-shaped stirrup. The cam axis represents the axis of rotation of the tubular cylindrical body and form a cam suspended between two lateral arms. This tubular body uses the triggering function, and generally comprises a helical spring, working in compression between a piston resting on the cam and a stop located towards the end opposite the cam. The shape of the cam is such that under the effect of spring pressure, the shoe once pavement is pressed forward against the binding before and down against the ski. Only a large effort can tilt the body around the cam by pushing the piston and compressing the spring, which triggers the opening of the heel. These heels, more expensive and more efficient than those of the first family with fixed bodies, rely on a single body combining all the essential functions of the binding, and have triggers that release a shoe during very high efforts, which is particularly suitable for ski racing. However, a disadvantage of these heels is their great complexity. In particular, the cam used undergoes very high forces by its positioning between two only lateral support points and is necessarily made of metal to support them. In addition, this cam generally has a shape with a flat portion, which allows to achieve stability only in the closed position of the heel and not in its open position, while causing difficulties for the donning and heaving of the heel

L'objet de la présente invention est de proposer une talonnière à corps mobile plus simple et moins coûteuse.The object of the present invention is to provide a movable body heel more simple and less expensive.

L'invention atteint cet objet en proposant une structure globale de la talonnière qui permet une bonne résistance aux efforts de la came, adaptée à une large plage de fonctionnement jusqu'à des seuils de déclenchement élevés, tout en offrant une facilité de chaussage et déchaussage et une poussée vers l'avant sur la chaussure satisfaisante.The invention achieves this object by providing an overall structure of the heel which allows a good resistance to the forces of the cam, adapted to a wide range of operation up to high trigger levels, while providing ease of donning and heaving and a push forward on the satisfactory shoe.

Plus précisément, l'invention repose sur une talonnière de fixation de sécurité pour chaussure de ski pouvant occuper au moins deux positions, une position ouverte et une position fermée dans laquelle elle est apte au maintien sécurisé d'une chaussure de ski pour la pratique du ski, la talonnière comprenant un corps mobile comprenant un ressort de déclenchement pour permettre la libération de la chaussure par l'ouverture de la talonnière en cas d'effort supérieur à un seuil prédéterminé, ce corps occupant deux positions différentes dans chacune des deux positions de la talonnière, le corps étant mobile par rapport à un chariot autour d'un axe de liaison, le chariot comprenant une embase et un corps de déclenchement comprenant une surface de déclenchement, caractérisée en ce que la surface de déclenchement est reliée à l'embase par un premier moyen de liaison formé par le corps de déclenchement et par un second moyen de liaison formé par l'axe de liaison entre le chariot et le corps mobile et au moins un bras de renfort.More specifically, the invention is based on a heel safety fastening ski boot that can occupy at least two positions, an open position and a closed position in which it is suitable for secure holding of a ski boot for the practice of skiing, the heel comprising a movable body comprising a release spring to allow the release of the boot by opening the heel in case of effort greater than a predetermined threshold, this body occupying two different positions in each of the two positions of the heel, the body being movable relative to a carriage about a connecting axis, the carriage comprising a base and a trigger body comprising a trigger surface, characterized in that the triggering surface is connected to the base by a first connecting means formed by the trigger body and by a second connecting means formed by the connecting axis between the carriage and the movable body and at least one arm reinforcement.

Le corps de déclenchement peut aussi être lié à l'axe de liaison entre le chariot et le corps mobile et la surface de déclenchement peut être en coopération avec un piston du corps mobile.The trigger body may also be connected to the connecting axis between the carriage and the movable body and the trigger surface may be in cooperation with a piston of the movable body.

Au moins la partie du corps de déclenchement comprenant la surface de déclenchement peut être en matériau plastique ou en matériau plastique renforcé par des fibres.At least the portion of the trigger body comprising the triggering surface may be of plastic material or fiber reinforced plastic material.

Le corps de déclenchement peut être un corps monolithique en matériau plastique ou en matériau plastique renforcé par des fibres.The trigger body may be a monolithic body of plastic material or fiber reinforced plastic material.

Le corps mobile peut présenter une zone ouverte vers le bas entre la mâchoire de son extrémité antérieure et un piston coopérant avec la surface de déclenchement du chariot.The movable body may have an open zone downwards between the jaw of its front end and a piston cooperating with the trigger surface of the carriage.

Le corps de déclenchement peut être un corps central s'étendant depuis l'embase du chariot jusqu'à la partie supérieure du chariot.The trigger body may be a central body extending from the base of the carriage to the upper portion of the carriage.

De plus, la talonnière de fixation de sécurité peut comprendre deux bras latéraux répartis de part et d'autre du corps de déclenchement. Ces bras latéraux peuvent délimiter un espace entre le corps de déclenchement et eux-mêmes de sorte de pouvoir recevoir une partie du corps mobile.In addition, the safety attachment heel may comprise two lateral arms distributed on either side of the trigger body. These lateral arms may delimit a space between the trigger body and themselves so as to receive a portion of the movable body.

Le corps de déclenchement peut comprendre une partie supérieure sensiblement cylindrique orientée transversalement à la talonnière, comprenant une ouverture tubulaire transverse destinée à recevoir l'axe de liaison avec le corps mobile, cette partie supérieure comprenant la surface de déclenchement.The trigger body may comprise a substantially cylindrical upper portion oriented transversely to the heel piece, comprising a transverse tubular opening intended to receive the connecting axis with the movable body, this upper part comprising the triggering surface.

Le corps de déclenchement peut comprendre une partie inférieure de liaison de sa partie supérieure avec l'embase, cette partie inférieure comprenant une partie étroite, de dimension mesurée dans la direction longitudinale comprise entre 8 et 14 millimètres.The trigger body may comprise a lower connecting part of its upper part with the base, this lower part comprising a narrow portion, of dimension measured in the longitudinal direction of between 8 and 14 millimeters.

Le corps mobile peut posséder une amplitude de rotation supérieure à 70 degrés entre ses deux positions.The movable body may have an amplitude of rotation greater than 70 degrees between its two positions.

Le corps de déclenchement et le au moins un bras de renfort peuvent comprendre des ouvertures pour recevoir l'axe de liaison avec le corps mobile.The trigger body and the at least one reinforcing arm may include openings for receiving the connecting pin with the movable body.

Selon une réalisation avantageuse, la surface de déclenchement peut être une rampe.According to an advantageous embodiment, the triggering surface may be a ramp.

L'invention porte aussi sur un dispositif de fixation d'une chaussure de ski sur un ski, comprenant une butée pour recevoir la partie avant d'une chaussure de ski, et caractérisé en ce qu'il comprend une talonnière telle que décrite précédemment pour recevoir la partie arrière de la chaussure de ski.The invention also relates to a device for attaching a ski boot to a ski, comprising a stop for receiving the front portion of a ski boot, and characterized in that it comprises a heel piece as described previously for receive the back part of the ski boot.

Enfin, l'invention porte aussi sur un ski comprenant une talonnière de fixation de sécurité pour chaussure de ski telle que décrite précédemment.Finally, the invention also relates to a ski comprising a safety attachment heel for a ski boot as described above.

Ces objets, caractéristiques et avantages de la présente invention seront exposés en détail dans la description suivante d'un mode d'exécution particulier fait à titre non-limitatif en relation avec les figures jointes parmi lesquelles :

  • La figure 1 représente une vue en perspective d'une talonnière à corps mobile en position fermée selon un mode d'exécution de l'invention.
  • La figure 2 représente une vue en perspective d'une talonnière à corps mobile en position ouverte selon le mode d'exécution de l'invention.
  • La figure 3 représente une vue en coupe selon un plan médian longitudinal de la talonnière en position fermée selon le mode d'exécution de l'invention.
  • La figure 4 représente une vue en coupe selon un plan médian longitudinal de la talonnière en position ouverte selon le mode d'exécution de l'invention.
  • La figure 5 représente une vue en perspective de côté du corps central du chariot de la talonnière à corps mobile selon le mode d'exécution de l'invention.
  • La figure 6 représente une vue en perspective de côté du chariot de la talonnière à corps mobile selon le mode d'exécution de l'invention.
  • La figure 7 représente une vue en perspective arrière du chariot de la talonnière à corps mobile selon le mode d'exécution de l'invention.
  • La figure 8 représente une vue arrière du chariot de la talonnière à corps mobile selon le mode d'exécution de l'invention.
  • La figure 9 représente une vue en perspective de dessous du corps mobile de la talonnière selon le mode d'exécution de l'invention.
These objects, features and advantages of the present invention will be set forth in detail in the following description of a particular embodiment made in a non-limiting manner in relation to the appended figures among which:
  • The figure 1 represents a perspective view of a movable body heel with a closed position according to an embodiment of the invention.
  • The figure 2 is a perspective view of a movable body heel in open position according to the embodiment of the invention.
  • The figure 3 is a sectional view along a longitudinal median plane of the heel in the closed position according to the embodiment of the invention.
  • The figure 4 is a sectional view along a longitudinal median plane of the heel in the open position according to the embodiment of the invention.
  • The figure 5 is a side perspective view of the central body of the carriage of the movable body heel according to the embodiment of the invention.
  • The figure 6 is a side perspective view of the carriage of the movable body heel according to the embodiment of the invention.
  • The figure 7 represents a rear perspective view of the carriage of the movable body heel according to the embodiment of the invention.
  • The figure 8 represents a rear view of the carriage of the movable body heel according to the embodiment of the invention.
  • The figure 9 is a perspective view from below of the movable body of the heel according to the embodiment of the invention.

Pour faciliter la compréhension de la suite de la description, nous définissons la direction longitudinale x comme la direction horizontale s'étendant de l'arrière vers l'avant de la talonnière, la direction transversale y la direction horizontale perpendiculaire à la direction x, la direction verticale z perpendiculaire au plan horizontal défini par les axes x et y, orientée vers le haut.To facilitate the understanding of the following description, we define the longitudinal direction x as the horizontal direction extending from the rear to the front of the heel, the transverse direction y the horizontal direction perpendicular to the direction x, the vertical direction z perpendicular to the horizontal plane defined by the x and y axes, pointing upwards.

La talonnière selon le mode d'exécution de l'invention comprend un corps tubulaire 21 mobile autour d'un chariot 1 adapté pour le montage sur un ski, par l'intermédiaire de glissières 2 aménagées sur les parties latérales de l'embase inférieure 3 du chariot, afin de permettre le réglage de sa position longitudinale sur un ski pour l'adapter à différentes pointures de chaussures. Le corps tubulaire mobile 21 comprend dans sa partie antérieure une mâchoire ou « agrippe talon » 22 adaptée pour l'emprise du trottoir arrière normalisé d'une chaussure de ski.The heel according to the embodiment of the invention comprises a tubular body 21 movable around a carriage 1 adapted for mounting on a ski, via slides 2 provided on the side portions of the lower base 3 of the carriage, to allow the adjustment of its longitudinal position on a ski to adapt it to different sizes of shoes. The movable tubular body 21 comprises in its front part a jaw or "bale grab" 22 adapted for the right-of-way of the normalized sidewalk of a ski boot.

Le corps mobile 21, plus particulièrement visible sur les figures 3, 4 et 9, comprend en son sein un mécanisme de déclenchement qui permet le passage automatique de la talonnière de la configuration de position fermée de pratique du ski, représentée sur la figure 1, à la configuration ouverte représentée à la figure 2, dans laquelle la chaussure de ski peut échapper à l'emprise de la talonnière. Ce déclenchement est automatiquement mis en oeuvre en cas de chute du skieur entraînant un effort sur la mâchoire supérieur à un seuil prédéfini. Le corps mobile 21 passe de la configuration fermée à la configuration ouverte par un mouvement de rotation par rapport au chariot 1, autour d'un axe 10. Pour mettre en oeuvre la fonction de déclenchement, le corps mobile comprend différents éléments dans son volume intérieur, parmi lesquels un ressort de compression 23 en appui contre la butée 25 dans la partie supérieure arrière du corps 21 et en appui sur un piston 24 à son autre extrémité. Ce piston 24 coopère avec une surface de déclenchement prévue sur le chariot 1, détaillée ci-après. Le seuil de déclenchement peut être modifié de manière connue en modifiant le degré de compression du ressort 23 par une vis de réglage 26 positionnée à l'extrémité arrière du corps mobile 21 et apte à déplacer la butée 25. Dans cette solution, le corps mobile 21 présente ainsi la particularité de présenter une zone importante ouverte 29 vers le bas entre sa mâchoire 22 et le piston 24 de déclenchement, destinée à recevoir la surface de déclenchement du chariot, comme cela sera détaillé par la suite.The movable body 21, more particularly visible on the Figures 3, 4 and 9 , comprises within it a triggering mechanism that allows the automatic passage of the heel of the closed ski practice position configuration, shown in FIG. figure 1 , in the open configuration shown in figure 2 , in which the ski boot can escape the heel grip. This triggering is automatically implemented in case of skier's fall causing a force on the jaw greater than a predefined threshold. The movable body 21 passes from the closed configuration to the open configuration by a rotational movement relative to the carriage 1, about an axis 10. To implement the trigger function, the movable body comprises different elements in its interior volume. , among which a compression spring 23 bears against the abutment 25 in the upper rear part of the body 21 and bears against a piston 24 at its other end. This piston 24 cooperates with a trigger surface provided on the carriage 1, detailed below. The triggering threshold can be modified in known manner by modifying the degree of compression of the spring 23 by a set screw 26 positioned at the rear end of the movable body 21 and able to move the abutment 25. In this solution, the moving body 21 and has the particularity of having a large area open 29 down between its jaw 22 and the trigger piston 24, intended to receive the trigger surface of the carriage, as will be detailed later.

Le concept de l'invention consiste à renforcer la surface de déclenchement ou came qui supporte les efforts du corps mobile en la reliant par deux moyens de liaison complémentaires à l'embase du chariot, dont au moins un bras de renfort et le corps qui porte la came. Cela permet de réaliser la structure principale de la surface de déclenchement recevant les efforts les plus importants en matière plastique, au sein d'un corps fixe 4, que nous appellerons « corps fixe de déclenchement » 4. Le corps fixe de déclenchement présente un volume optimisé, représentant un compromis entre un volume globalement suffisant pour offrir une structure suffisamment résistante avec un matériau économique, comme un simple plastique par exemple, éventuellement renforcé par des fibres de verre ou tout équivalent, et un volume minimisé pour permettre un basculement satisfaisant du corps mobile et un chaussage facile ainsi qu'une poussée vers l'avant d'une chaussure satisfaisante. Cette solution est moins coûteuse que les solutions de l'état de la technique qui nécessitent le recours à une pièce métallique.The concept of the invention consists in reinforcing the triggering surface or cam which supports the forces of the movable body by connecting it by two connecting means complementary to the base of the carriage, including at least one reinforcing arm and the body which carries drug. This allows to realize the main structure of the triggering surface receiving the most important plastic forces, within a fixed body 4, which we will call "fixed trigger body" 4. The fixed trigger body has a volume optimized, representing a compromise between a volume generally sufficient to provide a sufficiently strong structure with an economic material, such as a simple plastic for example, possibly reinforced with glass fibers or any equivalent, and a minimized volume to allow a satisfactory tilting of the movable body and easy donning and a push forward of a satisfactory shoe. This solution is less expensive than the solutions of the state of the art that require the use of a metal part.

Selon le mode d'exécution représenté, le chariot 1, particulièrement visible sur les figures 5 à 8, comprend un corps fixe de déclenchement 4 qui se présente comme une partie centrale monolithique, en un seul corps, qui s'étend depuis l'embase 3 du chariot à proximité de la surface du ski jusqu'à la partie la plus haute du chariot, et sur une largeur importante du chariot, mesurée selon la direction y. Ce corps fixe central 4 comprend une partie supérieure 5 sensiblement cylindrique orientée transversalement à la talonnière, comprenant une ouverture tubulaire transverse 6 destinée à recevoir l'axe de liaison 10 avec le corps mobile 21. La partie supérieure 5 comprend dans sa partie arrière une zone s'écartant de la forme cylindrique, formant une rampe 7 qui remplit la fonction de déclenchement en coopération avec le piston 24 du corps tubulaire 21, comme cela sera détaillé par la suite. La rampe 7 s'étend transversalement sur toute la largeur du corps central 4, parallèlement à l'ouverture transverse 6 selon la direction y, et présente une section sensiblement triangulaire, avec un sommet 8 entouré de deux pentes respectivement supérieure 9 et inférieure 9'. Cette partie supérieure 5 est directement reliée à l'embase 3 par une partie inférieure du corps fixe 4, qui s'étend sur toute la largeur de la partie supérieure 5 et présente une zone relativement étroite, de faible dimension dans la direction longitudinale x. Par ce biais, le corps 4 représente un premier moyen de liaison et de support de la surface de la rampe 7. Selon le mode d'exécution, cette zone plus étroite comprend une dimension minimale L d'environ 11 millimètres, illustrée sur la figure 5. Le fait de prévoir un corps de déclenchement étroit 4 dans la partie basse disposée sous la rampe 7 de déclenchement est avantageux puisque cela a pour effet un faible encombrement facilitant la mise en place du mouvement du corps mobile 21, permettant la définition d'une rampe de déclenchement favorisant les phases de chaussage et déchaussage de la talonnière tout en remplissant une fonction de déclenchement performante. Plus généralement, une dimension minimale de ce corps dans la direction longitudinale x comprise entre 8 et 14 millimètres est avantageuse. Avec une telle géométrie, le corps mobile atteint une amplitude de rotation supérieure à 70 degrés. Quand il est dans sa position fermée illustrée sur la figure 1, il présente une position haute dans laquelle l'axe de symétrie du ressort 23 présente un angle d'environ 65 degrés au-dessus d'un plan horizontal comprenant l'axe de rotation 10, ce qui permet à la mâchoire 22 d'exercer une poussée vers l'avant importante sur la chaussure de ski chaussée pour garantir le déclenchement par la rotation de la butée avant en cas de chute en torsion du skieur. Quand il est dans sa position ouverte illustrée sur la figure 2, il présente une position basse dans laquelle l'axe de symétrie du ressort 23 présente un angle d'environ 8 degrés au-dessous du plan horizontal comprenant l'axe de rotation 10, ce qui permet à la mâchoire 22 d'atteindre une orientation vers le haut adaptée pour un chaussage facile d'une chaussure de ski. Dans le mode d'exécution représenté, le corps mobile est donc doté d'une amplitude de rotation de 73 degrés entre ses deux positions extrêmes. En variante, une nervure de renfort, non représentée, peut être disposée entre la pente inférieure 9' de la rampe 7 et la partie étroite de la partie inférieure du corps fixe 4.According to the embodiment shown, the carriage 1, particularly visible on the Figures 5 to 8 , comprises a fixed trigger body 4 which is a monolithic central part, in a single body, which extends from the base 3 of the carriage near the surface of the ski to the highest part of the carriage , and over a large width of the carriage, measured along the y direction. This central fixed body 4 comprises a substantially cylindrical upper portion 5 oriented transversely to the heel piece, comprising a transverse tubular opening 6 intended to receive the connecting pin 10 with the movable body 21. The upper part 5 comprises in its rear part a zone deviating from the cylindrical shape, forming a ramp 7 which performs the trigger function in cooperation with the piston 24 of the tubular body 21, as will be detailed later. The ramp 7 extends transversely over the entire width of the central body 4, parallel to the transverse opening 6 in the y direction, and has a substantially triangular section, with a vertex 8 surrounded by two slopes respectively upper 9 and lower 9 ' . This upper part 5 is directly connected to the base 3 by a lower portion of the fixed body 4, which extends over the entire width of the upper portion 5 and has a relatively narrow area of small dimension in the longitudinal direction x. By this means, the body 4 represents a first means of connecting and supporting the surface of the ramp 7. According to the embodiment, this narrower zone comprises a minimum dimension L about 11 millimeters, illustrated on the figure 5 . Providing a narrow trigger body 4 in the lower part disposed under the triggering ramp 7 is advantageous since this has the effect of a small footprint facilitating the establishment of the movement of the movable body 21, allowing the definition of a ramp Triggering the booting phases and release of the heel while performing a function of tripping performance. More generally, a minimum dimension of this body in the longitudinal direction x of between 8 and 14 millimeters is advantageous. With such a geometry, the moving body reaches an amplitude of rotation greater than 70 degrees. When he is in his closed position illustrated on the figure 1 it has a high position in which the axis of symmetry of the spring 23 has an angle of about 65 degrees above a horizontal plane including the axis of rotation 10, which allows the jaw 22 to exert a significant forward thrust on the ski boot to ensure the triggering by the rotation of the front stop in case of fall in torsion of the skier. When he is in his open position illustrated on the figure 2 it has a low position in which the axis of symmetry of the spring 23 has an angle of about 8 degrees below the horizontal plane including the axis of rotation 10, which allows the jaw 22 to reach an orientation upward fit for easy donning of a ski boot. In the embodiment shown, the moving body is therefore provided with a rotation amplitude of 73 degrees between its two extreme positions. Alternatively, a reinforcing rib, not shown, can be arranged between the lower slope 9 'of the ramp 7 and the narrow part of the lower part of the fixed body 4.

Le chariot 1 comprend de plus deux bras latéraux rapportés 11 comprenant dans leur partie supérieure des ouvertures 12 pour la réception de l'axe de liaison 10 qui s'étend transversalement d'un bras vers l'autre au travers de l'ouverture 6 aménagée dans le corps central fixe 4 et au travers d'ouvertures 27 aménagées sur deux ailes latérales inférieures 28 du corps mobile 21, visible sur la figure 9, qui viennent se positionner dans l'espace 13 prévu entre les bras 11 et le corps central 4 du chariot 1. Par cette construction, une partie des efforts de déclenchement subis par la rampe 7 du corps central 4 est transmise par l'intermédiaire de l'axe de liaison 10 aux bras latéraux 11. Ces derniers renforcent ainsi l'ensemble de la structure en représentant un second moyen de liaison et support de la rampe 7 et permettent à la talonnière de fonctionner à des niveaux de déclenchement très élevés, supérieurs à 12, en l'unité de valeurs définie par la norme ISO des fixations alpines, adaptés à la compétition. Ces bras rapportés 11 peuvent être dans le même matériau que le corps 4, en plastique, éventuellement renforcé par des fibres ou des parties en métal. En variante, les bras 11 peuvent être intégralement en métal. Ils sont fixés à l'embase 3 du chariot 1 dans leur partie inférieure par des vis. En variante, tout moyen de fixation peut convenir, comme un clipsage, un collage...Selon encore une autre variante, les bras pourraient former un même élément avec l'embase et/ou le corps de déclenchement, obtenu par moulage.The carriage 1 further comprises two side-mounted arms 11 comprising in their upper part openings 12 for the reception of the connecting shaft 10 which extends transversely of an arm towards the other through the opening 6 arranged in the fixed central body 4 and through openings 27 arranged on two lower lateral wings 28 of the movable body 21, visible on the figure 9 , which are positioned in the space 13 provided between the arms 11 and the central body 4 of the carriage 1. By this construction, part of the triggering forces experienced by the ramp 7 of the central body 4 is transmitted via the link axis 10 to the lateral arms 11. The latter thus strengthen the entire structure by representing a second means of connection and support of the ramp 7 and allow the heel to operate at very high trigger levels, higher to 12, in the unit of values defined by the ISO standard of alpine fixtures, adapted to the competition. These attached arms 11 may be in the same material as the body 4, plastic, optionally reinforced with fibers or metal parts. In a variant, the arms 11 may be made entirely of metal. They are fixed to the base 3 of the carriage 1 in their lower part by screws. Alternatively, any fastening means may be suitable, as a clipping, gluing ... According to yet another variant, the arms could form the same element with the base and / or the trigger body, obtained by molding.

Le fonctionnement de la talonnière est particulièrement visible sur les figures 3 et 4. Sur la figure 3, la talonnière est en configuration fermée, le piston 24 est maintenu en appui sur la pente supérieure 9 de la rampe 7, de manière stable. En cas d'effort supérieur au seuil prédéfini exercé par la chaussure sur la mâchoire 22 de la talonnière, par exemple en cas de chute vers l'avant du skieur, le piston 24 est repoussé en arrière jusqu'à atteindre le sommet 8 de la rampe 7, pour finalement basculer sur la pente inférieure 9' de la rampe 7, dans la seconde position stable ouverte représentée sur la figure 4.The operation of the heel is particularly visible on Figures 3 and 4 . On the figure 3 , the heel is in closed configuration, the piston 24 is held in abutment on the upper slope 9 of the ramp 7, stably. In the event of a force greater than the predetermined threshold exerted by the boot on the jaw 22 of the heel piece, for example in the event of a fall towards the front of the skier, the piston 24 is pushed back until it reaches the top 8 of the ramp 7, to finally switch to the lower slope 9 'of the ramp 7, in the second open stable position shown on the figure 4 .

La surface de déclenchement sur le chariot a été illustrée par l'intermédiaire d'une rampe 7, qui apporte un comportement avantageux du déclenchement. Toutefois, cette surface pourrait être différente, pourrait en variante se présenter plus généralement sous la forme de toute surface de came. De plus, cette surface de déclenchement pourrait présenter toutes sortes de dimensions, pourrait par exemple ne pas occuper toute la largeur du corps de déclenchement.The triggering surface on the carriage has been illustrated via a ramp 7, which provides an advantageous triggering behavior. However, this surface could be different, could alternatively be more generally in the form of any cam surface. In addition, this trigger surface could have all kinds of dimensions, could for example not occupy the entire width of the trigger body.

De plus, cette surface a été représentée comme s'étendant sur toute la largeur d'un corps central du chariot prévu entre deux bras rapportés. En variante, le corps de déclenchement comprenant la surface de déclenchement pourrait présenter toutes autres géométries, par exemple ne plus être un corps central. Toutefois, ce corps présente une forme qui permet de relier directement la surface de déclenchement positionnée dans sa partie haute à l'embase du chariot, par un moyen de liaison distinct de l'axe de liaison 10 et/ou des bras rapportés. Le corps de déclenchement pourra occuper plus de la moitié de la largeur de la talonnière pour présenter un volume lui permettant d'atteindre une grande résistance. De plus, le corps de déclenchement présentera avantageusement une forme monolithique lui permettant une fabrication par injection ou mise en forme d'un matériau plastique et la surface de déclenchement occupera une surface importante de sorte de présenter une résistance suffisante. Ce corps pourra se présenter en tout plastique rigide, comme par exemple du polyamide, éventuellement renforcé par une structure à base de fibres. En variante, le corps de déclenchement peut se présenter comme un assemblage de plusieurs éléments distincts, éventuellement en matériaux distincts. Par exemple, ce corps peut comprendre une partie haute en matériau plastique comprenant la surface de déclenchement, et une partie basse disposées sous cette surface de déclenchement de sorte de la relier directement avec l'embase du chariot, cette partie basse pouvant se trouver en tout matériau.In addition, this surface has been shown as extending over the entire width of a central body of the carriage provided between two arms reported. Alternatively, the trigger body comprising the triggering surface could have any other geometries, for example no longer be a central body. However, this body has a shape that allows to directly connect the trigger surface positioned in its upper part to the base of the carriage, by a connection means separate from the connecting pin 10 and / or reported arms. The trigger body may occupy more than half the width of the heel to present a volume to achieve great strength. In addition, the trigger body will advantageously have a monolithic shape enabling it to be manufactured by injection or shaping of a plastic material and the triggering surface will occupy a large area so as to have sufficient strength. This body may be any rigid plastic, such as polyamide, optionally reinforced with a fiber-based structure. Alternatively, the trigger body may be an assembly of several distinct elements, possibly of different materials. For example, this body may comprise a high part of plastic material comprising the triggering surface, and a lower part disposed under this surface of tripping so connect directly with the base of the carriage, this lower part can be in any material.

Enfin, la forme des bras rapportés peut être de même différente. Notamment, les bras peuvent être positionnés en contact avec le corps fixe central, et ne plus délimiter un espace 13 comme dans le mode d'exécution représenté, le corps mobile se positionnant alors à l'extérieur de ces bras rapportés. En variante, un seul bras rapporté pourrait suffire. Dans ce cas, ce bras pourrait être centré, disposé au travers d'une ouverture du corps de déclenchement par exemple. Ce au moins un bras se présente sous la forme d'un élément relié à l'embase du chariot et distinct du corps de déclenchement, de sorte de former un renfort de ce corps de déclenchement en supportant une partie des efforts subis par la surface de déclenchement et transmis par l'intermédiaire de l'axe du corps mobile. Il peut avoir toutes formes et dimensions lui permettant de remplir cette fonction.Finally, the shape of the arms reported can be the same different. In particular, the arms can be positioned in contact with the central fixed body, and no longer delimit a space 13 as in the embodiment shown, the movable body then being positioned outside these reported arms. Alternatively, a single reported arm could suffice. In this case, this arm could be centered, disposed through an opening of the trigger body for example. This at least one arm is in the form of an element connected to the base of the carriage and separate from the trigger body, so as to form a reinforcement of the trigger body by supporting a portion of the forces experienced by the surface of the trigger and transmitted via the axis of the moving body. It can have all shapes and sizes allowing it to fulfill this function.

Ainsi, le concept de l'invention peut être résumé par l'utilisation d'un chariot de réception d'un corps mobile d'une talonnière de la seconde famille rappelée dans le préambule, ce chariot comprenant une construction dans laquelle une embase forme sa partie basse, apte à une liaison avec un ski, et dans laquelle la surface de déclenchement est d'une part directement reliée par le corps de déclenchement à cette embase, selon un premier moyen de liaison, et est en parallèle reliée à l'embase par au moins un bras de renfort, par l'intermédiaire de l'axe de montage du corps mobile de la talonnière, selon un second moyen de liaison, la surface de déclenchement et le bras de renfort étant tous deux liés à l'axe de montage du corps mobile de la talonnière.Thus, the concept of the invention can be summarized by the use of a carriage for receiving a movable body of a heel of the second family recalled in the preamble, this carriage comprising a construction in which a base forms its lower part, suitable for connection with a ski, and wherein the triggering surface is directly connected by the trigger body to this base, according to a first connecting means, and is connected in parallel to the base by at least one reinforcing arm, via the mounting axis of the movable body of the heel, according to a second connecting means, the trigger surface and the reinforcing arm being both connected to the axis of the mounting the movable body of the heel.

Claims (15)

Talonnière de fixation de sécurité pour chaussure de ski pouvant occuper au moins deux positions, une position ouverte et une position fermée dans laquelle elle est apte au maintien sécurisé d'une chaussure de ski pour la pratique du ski, la talonnière comprenant un corps (21) mobile comprenant un ressort de déclenchement (23) pour permettre la libération de la chaussure par l'ouverture de la talonnière en cas d'effort supérieur à un seuil prédéterminé, ce corps (21) occupant deux positions différentes dans chacune des deux positions de la talonnière, le corps (21) étant mobile par rapport à un chariot (1) autour d'un axe de liaison (10), le chariot (1) comprenant une embase (3) et un corps de déclenchement (4) comprenant une surface de déclenchement, caractérisée en ce que la surface de déclenchement est reliée à l'embase (3) par un premier moyen de liaison formé par le corps de déclenchement (4) et par un second moyen de liaison formé par l'axe de liaison (10) entre le chariot (1) et le corps mobile (21) et au moins un bras (11) de renfort.Heel safety fastening for ski boots that can occupy at least two positions, an open position and a closed position in which it is able to secure a ski boot for skiing, the heel comprising a body (21 ) comprising a release spring (23) to allow the release of the shoe by the opening of the heel in case of effort greater than a predetermined threshold, the body (21) occupying two different positions in each of the two positions of the heel, the body (21) being movable relative to a carriage (1) around a connecting pin (10), the carriage (1) comprising a base (3) and a trigger body (4) comprising a release surface, characterized in that the tripping surface is connected to the base (3) by a first connecting means formed by the trigger body (4) and by a second connecting means formed by the connecting pin (10) between the carriage (1) and the movable body (21) and at least one arm (11) of reinforcement. Talonnière de fixation de sécurité pour chaussure de ski selon la revendication précédente, caractérisée en ce que le corps de déclenchement (4) est aussi directement lié à l'axe de liaison (10) entre le chariot (1) et le corps mobile (21) et en ce que la surface de déclenchement est en coopération avec un piston (24) du corps mobile (21).Heel of safety binding for ski boots according to the preceding claim, characterized in that the trigger body (4) is also directly connected to the connecting pin (10) between the carriage (1) and the movable body (21). ) and in that the triggering surface is in cooperation with a piston (24) of the movable body (21). Talonnière de fixation de sécurité pour chaussure de ski selon la revendication précédente, caractérisée en ce qu'au moins la partie du corps de déclenchement (4) comprenant la surface de déclenchement est en matériau plastique ou en matériau plastique renforcé par des fibres.Ski boot safety binding heel according to the preceding claim, characterized in that at least the part of the trigger body (4) comprising the trigger is made of plastic material or plastic material reinforced with fibers. Talonnière de fixation de sécurité pour chaussure de ski selon la revendication précédente, caractérisée en ce que le corps de déclenchement (4) est un corps monolithique en matériau plastique ou en matériau plastique renforcé par des fibres.Ski boot safety binding heel according to the preceding claim, characterized in that the trigger body (4) is a monolithic body made of plastic material or fiber-reinforced plastic material. Talonnière de fixation de sécurité pour chaussure de ski selon l'une des revendications précédentes, caractérisée en ce que le corps mobile (21) présente une zone ouverte (29) vers le bas entre la mâchoire (22) de son extrémité antérieure et un piston (24) coopérant avec la surface de déclenchement du chariot (1).Safety ski boot binding heel according to one of the preceding claims, characterized in that the movable body (21) has an open region (29) downwards between the jaw (22) of its front end and a piston (24) cooperating with the trigger surface of the carriage (1). Talonnière de fixation de sécurité pour chaussure de ski selon l'une des revendications précédentes, caractérisée en ce que le corps de déclenchement (4) est un corps central s'étendant depuis l'embase (3) du chariot jusqu'à la partie supérieure (5) du chariot.Ski boot safety heel according to one of the preceding claims, characterized in that the trigger body (4) is a central body extending from the base (3) of the carriage to the upper part. (5) of the carriage. Talonnière de fixation de sécurité pour chaussure de ski selon la revendication précédente, caractérisée en ce qu'elle comprend deux bras latéraux (11) répartis de part et d'autre du corps de déclenchement (4).Heel safety fixing for ski boot according to the preceding claim, characterized in that it comprises two lateral arms (11) distributed on either side of the trigger body (4). Talonnière de fixation de sécurité pour chaussure de ski selon la revendication précédente, caractérisée en ce que les bras latéraux (11) délimitent un espace (13) entre le corps de déclenchement (4) et eux-mêmes de sorte de pouvoir recevoir une partie (28) du corps mobile (21).Heel for safety binding for ski boots according to the preceding claim, characterized in that the lateral arms (11) delimit a space (13) between the trigger body (4) and themselves so as to be able to receive a part ( 28) of the movable body (21). Talonnière de fixation de sécurité pour chaussure de ski selon l'une des revendications 6 à 8, caractérisée en ce que le corps de déclenchement (4) comprend une partie supérieure (5) sensiblement cylindrique orientée transversalement à la talonnière, comprenant une ouverture tubulaire transverse (6) destinée à recevoir l'axe de liaison (10) avec le corps mobile (21), cette partie supérieure (5) comprenant la surface de déclenchement.Ski boot securing heel according to one of claims 6 to 8, characterized in that the trigger body (4) comprises a substantially cylindrical upper part (5) oriented transversely to the heel piece, comprising a transverse tubular opening (6) for receiving the connecting pin (10) with the movable body (21), this upper portion (5) comprising the triggering surface. Talonnière de fixation de sécurité pour chaussure de ski selon la revendication précédente, caractérisée en ce que le corps de déclenchement (4) comprend une partie inférieure de liaison de sa partie supérieure (5) avec l'embase (3), cette partie inférieure comprenant une partie étroite, de dimension mesurée dans la direction longitudinale comprise entre 8 et 14 millimètres.Heel of safety binding for ski boots according to the preceding claim, characterized in that the trigger body (4) comprises a lower connecting part of its upper part (5) with the base (3), this lower part comprising a narrow portion, of dimension measured in the longitudinal direction of between 8 and 14 millimeters. Talonnière de fixation de sécurité pour chaussure de ski selon l'une des revendications précédentes, caractérisée en ce que le corps mobile (21) possède une amplitude de rotation supérieure à 70 degrés entre ses deux positions.Safety ski boot binding heel according to one of the preceding claims, characterized in that the movable body (21) has an amplitude of rotation greater than 70 degrees between its two positions. Talonnière de fixation de sécurité pour chaussure de ski selon l'une des revendications précédentes, caractérisée en ce que le corps de déclenchement (4) et le au moins un bras (11) comprennent des ouvertures (6, 12) pour recevoir l'axe de liaison (10) avec le corps mobile (21).Ski boot securing heel according to one of the preceding claims, characterized in that the trigger body (4) and the at least one arm (11) comprise openings (6, 12) for receiving the pin connecting (10) with the movable body (21). Talonnière de fixation de sécurité pour chaussure de ski selon l'une des revendications précédentes, caractérisée en ce que la surface de déclenchement est une rampe (7).Safety ski boot binding heel according to one of the preceding claims, characterized in that the triggering surface is a ramp (7). Dispositif de fixation d'une chaussure de ski sur un ski, comprenant une butée pour recevoir la partie avant d'une chaussure de ski, et caractérisé en ce qu'il comprend une talonnière selon l'une des revendications précédentes pour recevoir la partie arrière de la chaussure de ski.Device for attaching a ski boot to a ski, comprising a stop for receiving the front part of a ski boot, and characterized in that it comprises a heel piece according to one of the preceding claims for receiving the rear part. of the ski boot. Ski comprenant une talonnière de fixation de sécurité pour chaussure de ski selon l'une des revendications 1 à 13.Ski comprising a ski boot safety binding heel according to one of claims 1 to 13.
EP09170946A 2008-09-29 2009-09-22 Rear binding for ski boots with mobile-housing Active EP2168640B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP11171033A EP2371427A1 (en) 2008-09-29 2009-09-22 Binding heelpiece for mobile-housing ski boots

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0856517A FR2936428B1 (en) 2008-09-29 2008-09-29 FIXING TALONNIERE FOR MOBILE BODY SKI SHOE

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP11171033.1 Division-Into 2011-06-22

Publications (2)

Publication Number Publication Date
EP2168640A1 true EP2168640A1 (en) 2010-03-31
EP2168640B1 EP2168640B1 (en) 2012-02-29

Family

ID=40524841

Family Applications (2)

Application Number Title Priority Date Filing Date
EP11171033A Withdrawn EP2371427A1 (en) 2008-09-29 2009-09-22 Binding heelpiece for mobile-housing ski boots
EP09170946A Active EP2168640B1 (en) 2008-09-29 2009-09-22 Rear binding for ski boots with mobile-housing

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP11171033A Withdrawn EP2371427A1 (en) 2008-09-29 2009-09-22 Binding heelpiece for mobile-housing ski boots

Country Status (4)

Country Link
US (1) US20100078915A1 (en)
EP (2) EP2371427A1 (en)
AT (1) ATE547158T1 (en)
FR (1) FR2936428B1 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2952309A1 (en) * 2009-11-12 2011-05-13 Salomon Sas Safety binding for e.g. off-track ski, has heelpiece comprising cam and lateral post formed as single piece, where cam and locking piston generate immobilization of body with respect to post or release of rotation of body relative to post
EP2527015A1 (en) * 2011-05-27 2012-11-28 Skis Rossignol Heelpiece of a safety binding for ski boot
FR3133020A1 (en) * 2022-02-28 2023-09-01 Skis Rossignol Rear attachment device for a gliding board

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FR2269982A1 (en) * 1974-02-07 1975-12-05 Salomon & Fils F Ski boot binding method with pivotal clamp - has rockers maintaining fixed angular clamp position during start of clamping
DE3104633A1 (en) * 1980-03-19 1981-12-24 TMC Corp., 6340 Baar, Zug "RELEASE SKI BINDING"
FR2507095A1 (en) 1981-06-06 1982-12-10 Geze Gmbh SKI FIXING ELEMENT
US4753452A (en) * 1982-03-17 1988-06-28 Salomon S.A. Safety ski binding
FR2765115A1 (en) 1997-06-26 1998-12-31 Look Fixations Sa SKI SHOE SECURITY ATTACHMENT
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EP1522334A1 (en) * 2003-10-10 2005-04-13 Salomon S.A. Shoe binding for a sports board
EP1745827A1 (en) 2005-04-18 2007-01-24 Look Fixations Secure shoebinding on a gliding board
EP1900400A1 (en) * 2006-09-12 2008-03-19 MARKER Deutschland GmbH Boot fixing device on the heel of a ski binding with resistance path formed as external shell on the rotation axis

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FR2575661B1 (en) * 1985-01-09 1987-03-20 Salomon Sa SAFETY FIXING FOR SKI SHOES
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DE102009047821B4 (en) * 2009-09-30 2021-12-16 Marker Deutschland Gmbh Gliding board binding with assembly cover

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2269982A1 (en) * 1974-02-07 1975-12-05 Salomon & Fils F Ski boot binding method with pivotal clamp - has rockers maintaining fixed angular clamp position during start of clamping
DE3104633A1 (en) * 1980-03-19 1981-12-24 TMC Corp., 6340 Baar, Zug "RELEASE SKI BINDING"
FR2507095A1 (en) 1981-06-06 1982-12-10 Geze Gmbh SKI FIXING ELEMENT
US4753452A (en) * 1982-03-17 1988-06-28 Salomon S.A. Safety ski binding
FR2765115A1 (en) 1997-06-26 1998-12-31 Look Fixations Sa SKI SHOE SECURITY ATTACHMENT
EP0893146A1 (en) 1997-06-26 1999-01-27 Look Fixations S.A. Safety ski binding
EP1522334A1 (en) * 2003-10-10 2005-04-13 Salomon S.A. Shoe binding for a sports board
EP1745827A1 (en) 2005-04-18 2007-01-24 Look Fixations Secure shoebinding on a gliding board
EP1900400A1 (en) * 2006-09-12 2008-03-19 MARKER Deutschland GmbH Boot fixing device on the heel of a ski binding with resistance path formed as external shell on the rotation axis

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2952309A1 (en) * 2009-11-12 2011-05-13 Salomon Sas Safety binding for e.g. off-track ski, has heelpiece comprising cam and lateral post formed as single piece, where cam and locking piston generate immobilization of body with respect to post or release of rotation of body relative to post
EP2527015A1 (en) * 2011-05-27 2012-11-28 Skis Rossignol Heelpiece of a safety binding for ski boot
FR2975604A1 (en) * 2011-05-27 2012-11-30 Rossignol Sa SAFETY FASTENING TALONNIER FOR SKI SHOE
US8820771B2 (en) 2011-05-27 2014-09-02 Skis Rossignol Safety fastening heelpiece for ski boot
FR3133020A1 (en) * 2022-02-28 2023-09-01 Skis Rossignol Rear attachment device for a gliding board

Also Published As

Publication number Publication date
EP2371427A1 (en) 2011-10-05
FR2936428B1 (en) 2010-10-01
ATE547158T1 (en) 2012-03-15
US20100078915A1 (en) 2010-04-01
EP2168640B1 (en) 2012-02-29
FR2936428A1 (en) 2010-04-02

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