EP2438969B1 - Ski binding with safety interface - Google Patents

Ski binding with safety interface Download PDF

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Publication number
EP2438969B1
EP2438969B1 EP11182430.6A EP11182430A EP2438969B1 EP 2438969 B1 EP2438969 B1 EP 2438969B1 EP 11182430 A EP11182430 A EP 11182430A EP 2438969 B1 EP2438969 B1 EP 2438969B1
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EP
European Patent Office
Prior art keywords
arrangement
boot
disengagement means
mechanical
mechanical disengagement
Prior art date
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EP11182430.6A
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German (de)
French (fr)
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EP2438969A1 (en
Inventor
Johan Vailli
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
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Skis Rossignol SA
Rossignol SA
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Application filed by Skis Rossignol SA, Rossignol SA filed Critical Skis Rossignol SA
Publication of EP2438969A1 publication Critical patent/EP2438969A1/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
    • A63C9/00—Ski bindings
    • A63C9/003—Non-swivel sole plate fixed on the ski
    • 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
    • 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
    • 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
    • A63C9/088—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with electronically controlled locking devices

Definitions

  • the invention relates to an arrangement for triggering a shoe binding element for gliding board, such as for example a stop or a heel of a device for attaching a boot to a ski. It also relates to a shoe attachment device as such, and a gliding board as such, including such an arrangement for triggering.
  • a device for attaching a ski boot is intended to secure the ski boot of a skier on a ski. It includes a front stop which blocks the front of the shoe and a rear heel whose jaw is cooperating with a rear sidewalk of the sole of the ski boot. These two shoe attachment elements are provided with an automatic trigger mechanism that releases the shoe beyond a certain constraint, to avoid injury in case of a fall, for example.
  • a first object of the present invention is to provide a trigger solution to release a shoe on a gliding board that allows the automatic release of the shoe in case of a slow fall.
  • a second object of the present invention is to provide a trigger solution to release a shoe on a board simple, compact, economical, and reliable.
  • a third object of the present invention is to provide a trigger solution for minimizing the forces experienced by the components of the trigger mechanism.
  • the invention is based on an arrangement for triggering a shoe attachment element on a gliding board comprising at least one element for receiving a fastener element of a boot on a gliding board, characterized in that it comprises an automatic release means for releasing the boot from the at least one fastener, which means comprising a blade and / or a plurality of articulated links forming mechanical release means and a latch for locking or activating the mechanical triggering means, the mechanical triggering means being connected to at least one element for receiving a fastening element of a boot on a gliding board to allow it to move beyond a certain force exerted by the receiving element when the mechanical triggering means is active.
  • the at least one receiving element may comprise a rod whose end is connected to the mechanical triggering means.
  • the mechanical trigger means may comprise a blade positioned in a vertical or horizontal plane and extending longitudinally.
  • the blade may comprise at least one locking pin.
  • the mechanical triggering means may comprise an end connected to a receiving element and another end connected to a fixed part or to another receiving element.
  • the lock may comprise means for controlling a locking element bearing on the blade and / or the rods.
  • the lock may comprise a rotationally movable locking lever comprising a surface bearing on the mechanical triggering means in locked configuration, and a means for controlling a blocking lever locking element.
  • the mechanical triggering means may comprise two rods interconnected by an axis of rotation, the bearing surface being close to this axis of rotation.
  • the mechanical triggering means may comprise a blade associated with at least one link.
  • the mechanical triggering means may deform for a longitudinal force greater than a threshold of between 150 and 250 N when the mechanical triggering means is active.
  • the mechanical triggering means does not deform for a longitudinal force of less than 1000 N when the mechanical triggering means is locked.
  • the arrangement may include a slow drop detection means connected to a lock control means for automatic unlocking in the event of a slow drop.
  • the invention also relates to a shoe binding device for a gliding board comprising at least one front or rear fastening element of a boot and comprising an arrangement for triggering to release the boot of the at least one front fastening element or back according to claim 1.
  • the at least one front or rear attachment element of a boot may comprise a second mechanical triggering means for releasing the boot beyond a force greater than a second threshold of greater intensity.
  • the shoe binding device for a gliding board may comprise a stop for blocking the front part of a shoe and a heel piece for cooperating with the rear part of a shoe, the abutment and the heel piece each comprising their triggering means comprising minus one spring, and may include an arrangement as previously described.
  • the invention also relates to a gliding board characterized in that it comprises an arrangement for triggering a shoe attachment element as described above.
  • the invention will be illustrated in the context of a device for attaching a boot to a ski corresponding to an alpine binding comprising a buttress and heel. It could, however, be implemented for the attachment of any shoe attachment element, also known as a shoe retaining element, on any snowboard, including snowboarding for example, according to any other fastening principle.
  • the longitudinal direction for the direction in the length direction of the shoe attachment arrangement that is, in the direction of the shoe when it is attached to the shoe board. slides, from the back to the front, the transverse direction for the horizontal direction perpendicular to the longitudinal direction.
  • the vertical direction is perpendicular to the other two directions and upward.
  • the arrangement for receiving the attachment device of a boot on a ski comprises two receiving elements 1, 2 for fixing the stop and the heel.
  • These two receiving elements 1, 2 are in the form of a plate comprising two parallel series of teeth, arranged on a rail 20, particularly visible on the figure 1 .
  • These series of teeth extend in the longitudinal direction and can allow the adjustable fastening of the stop and heel on the ski to adapt to different shoe sizes.
  • the abutment and the heel piece comprise a complementary toothed part in their lower part, formed by a not shown notching part.
  • the receiving element 1 is mounted so as to be free to slide longitudinally within the rail 20 and comprises a rod 3 which extends in the longitudinal direction to a stop 4.
  • the arrangement further comprises a triggering means allowing the release of a shoe.
  • This triggering means comprises firstly a mechanical triggering means, formed by a blade 5 extending longitudinally and positioned in a vertical plane, a first end of which is fixed on the rail 20 and the second end bears against the stop 4.
  • the triggering means further comprises a latch formed by a locking lever 6 movable in rotation about an axis 7 and comprising a surface 8 which abuts in a central part of the blade 5 in a locked configuration, thus preventing buckling thereof .
  • the lock comprises a control means 10 of electromagnet type or piezoelectric activator, which acts on a locking element 11 which cooperates with a hollow portion 9 of the blocking lever 6 so as to maintain it in the locked position. preventing its rotation about the axis 7 in a first position.
  • the control means 10 makes it possible to modify the position of the locking element 11, as will be explained hereinafter.
  • the second receiving element 2, for the stop or heel is independent of the triggering means.
  • the figure 2 shows a base 30 in view from below.
  • the base comprises two openings 21, 22 elongated in the longitudinal direction to receive not shown notches from the abutment and the heel piece, provided to be latched on the receiving elements 1, 2.
  • the base has a central opening 25 in which is disposed the triggering means.
  • the figure 3 represents the rail 20 fixedly mounted on the base 30, itself intended for attachment to the upper surface of a ski.
  • the arrangement for triggering a fastener element is thus arranged in the thickness formed by the base and the rail. Alternatively, the arrangement could be directly arranged on the surface of the ski, without base or intermediate rail.
  • the central portion 26 comprising the triggering means is closed to protect this mechanism.
  • the triggering means comprises firstly a means for detecting a slow fall of a skier, not shown, which may be any means, in particular one of those known from the state of the art, the invention not involving not on this particular means.
  • the detection means may be based on the measurement and analysis of the level of longitudinal force and the duration of this effort at the level of the stop or the heel piece as a function of time and / or the measurement of the 'acceleration.
  • this means detects a slow fall of the skier, corresponding to a low but long effort, it controls the actuation of the control means 10 which acts on the locking element 11 to release the blocking lever 6. Following this action the triggering means is then in an unlocked configuration, in which it is active.
  • the triggering means when the effort is large or when it is weak but of short duration, the triggering means is maintained in its locked configuration. Note, if the force is very important, it is possible to exceed the buckling threshold of the two portions of the blade 5 distributed on either side of the surface 8 of the blocking lever 6, and thus obtain the triggering of the fixing device.
  • the triggering means thus behaves as a means with two trigger levels, allowing triggering in the event of a slow fall as well as triggering in the event of a violent fall. These two levels can be predetermined by the choice of the geometry of the triggering means, depending on the desired behavior for this means.
  • the blade 5 is naturally chosen so that its buckling occurs beyond a threshold chosen to correspond to the minimum effort suffered in the event of a slow fall of the skier. For this, it is advantageous to choose this threshold in the range between 150 and 250 N.
  • the blade 5 may be glass fiber, have a length between 140 and 220 mm, a width of about 8 mm, and a thickness included between 2 and 4 mm.
  • the blade could alternatively be in another material, such as carbon or steel, adapting its dimensioning to achieve the performance mentioned above.
  • the lock can be very simple and not very strong because it undergoes very little effort: indeed, the blade transmits little effort in the transverse direction.
  • the overall architecture can be chosen so that the two blade portions distributed on either side of the surface 8 of the blocking lever resist a very great force exerted on the blade 5, preventing any buckling up to forces less than 1000 N.
  • the solution has the advantage of reducing the high forces exerted on the blade in a much lower transverse force transmitted on the blocking lever 6 and the blocking element 11. If the locking / unlocking is implemented by a electronic means, low energy is sufficient, which is very advantageous. In addition, the locking element 11 receives an even lower effort due to its cooperation by a rotational movement of the blocking lever 6 with the latter. Alternatively, the locking means could come into direct contact with the blade, without intermediate locking lever.
  • the blocking lever 6 After release of the triggering means, the blocking lever 6 is positioned laterally outside the arrangement, which allows the skier to easily view that the device is unlocked and not operational. Before his next use, he must reposition it in its initial locked configuration. For this, simply turn manually in the opposite direction of a quarter turn the blocking lever 6 in overcoming the relatively low transverse force exerted by the blade 5, until it comes to cooperate again with the lock 10 to find the configuration of the Figures 1 to 3 .
  • the figure 5 illustrates a first embodiment of the first embodiment of the invention wherein the two receiving members 1, 2 of the abutment and the heel are both movable in longitudinal translation.
  • the second receiving element 2 also comprises a rod 13 cooperating with a stop 14 positioned on the second end of the blade 5, whose first end remains connected to the rod 3 associated with the first receiving element 1.
  • the two 3, 13 rods are superimposed one above the other, the two abutment 4, 14 being positioned between the two rods.
  • the figure 6 illustrates a variant of the previous embodiment, wherein the blade is positioned in a horizontal plane and no longer vertical, in the rest position.
  • the blade follows a curvature in a vertical direction and no longer in a transverse direction and occupy the remaining space between the base and the sole of the shoe.
  • each portion of the blade distributed on either side of the stud may flare when the triggering means is unlocked.
  • Various transverse stops 16 are arranged within the opening 25 of the base 30, and come into contact with one face of the blade 5 to direct its buckling towards the other face.
  • the triggering means always comprises a lock acting on a blocking lever 6 as described above.
  • the blade 5 In the buckling position as illustrated on the figure 8 , the blade 5 has two transverse displacements of opposite direction around the pad 15.
  • This embodiment has the advantage of allowing a centered positioning of the blade, to remove any friction force that it could suffer.
  • the position of the pad could be adjustable, to allow to modify the buckling properties of the blade 5, and to proceed to a setting of the trigger threshold.
  • several studs could be arranged on the blade.
  • FIGS. 9 and 10 illustrate a second embodiment of the invention, which differs mainly from the first embodiment in that the blade is replaced by a mechanical trigger means formed by two rods 31, 32 substantially aligned and extending in the longitudinal direction in locked configuration illustrated on the figure 9 .
  • the second receiving member 2 of the abutment or heel has a bead wire 13 extending longitudinally to a stop 14.
  • the first link 31 is fixed by an axis of rotation 34 on the rail 20 while the second link 32 is fixed on the movable stop 14 by an axis of rotation 35.
  • the two rods 31, 32 are interconnected by an axis of rotation 33.
  • the three axes 33, 34, 35 are substantially aligned .
  • the axis 33 is slightly offset towards the center, in order to facilitate the tilting of the rods.
  • the lock formed by the lever blocker 6 and the blocking element 11 is as in the first embodiment.
  • the bearing surface 8 of the blocking lever 6 is at the level of the axis of rotation 33 connecting the two rods 31, 32.
  • the operation of the triggering means thus obtained is similar to that of the first embodiment.
  • the triggering means When the triggering means is unlocked, the two rods 31, 32 move in the transverse direction beyond a certain threshold of longitudinal force exerted.
  • the architecture is defined so that the two links move in case of a slow fall of a skier.
  • the figure 10 illustrates the position of the two rods 31, 32 in the trigger configuration.
  • the Figures 11 and 12 illustrate a third embodiment of the invention, which combines the two previous modes of execution.
  • the triggering means in fact comprises a mechanical triggering means comprising a blade 5 and two links 31, 32.
  • the blade 5 comprises a first end resting on the base 30 and a second end fixed on the first link 31.
  • the latter is connected to a second link 32 by an axis of rotation 33.
  • the second link has an end connected to the rod 13 by an axis of rotation 35, itself connected to the receiving member 2 of the stop or the heel .
  • the triggering means further comprises a lock comprising a locking lever 6 'comprising a bearing surface 8' coming into contact with the blade 5 and rotatable about an axis 7 '.
  • a control means 10 makes it possible to block or not the rotation of the blocking lever 6 '. In the trip position, illustrated on the figure 12 , the two rods 31, 32 are no longer aligned, as in the previous embodiment, and the blade 5 is curved.
  • This third embodiment has the advantage of combining the properties of the rods and an elastic blade.
  • the blade is deformed in section. At first, it begins to flare towards the lock, then drives the link in a second time, then bends.
  • This solution has a small footprint in both longitudinal and transverse directions.
  • the arrangement has been provided within a base provided for attachment to a gliding board.
  • it could be integrated directly into the structure of the gliding board, without the use of a base.
  • the various components involved in triggering could have other forms.
  • the receiving elements of a shoe retainer could be in a simplified form without a toothed portion.
  • the mechanical triggering means could be different, including for example more than two rods.
  • the translational movement of a receiving member of the stop or heel may have different amplitudes.
  • a relatively small amplitude will be chosen, of the order of 9 mm, which is enough to release a shoe.
  • each can do so at a reduced amplitude of 4.5 mm to obtain an equivalent result.
  • the arrangement described allows displacements in longitudinal translation: however, it could be equivalent to provide displacements in different directions, or of a different nature, such as rotations of certain components.
  • the arrangement described above is therefore particularly suitable for triggering a shoe attachment device, that is to say inducing the automatic release of a shoe from the fastener.
  • This solution is well suited for a fastening device comprising a front retaining element and a rear retaining element as in the case of the ski.
  • this arrangement is particularly well suited to be combined with the existing abutment and heel, in order to represent an additional triggering means, adding to the traditional spring-based mechanical triggering means already provided in the abutment and heel.
  • This additional triggering means will then be provided to overcome the deficiencies of the traditional triggering means, in particular to obtain the triggering of the fixing device in case of a slow drop, as has been described above.
  • the fixing device will thus have a first triggering means reacting beyond a first high intensity but low duration force threshold, corresponding to the existing triggering standards and a second triggering means. reacting beyond a second distinct threshold of effort at a lower intensity but longer duration.
  • the triggering means according to the invention could be used in isolation or as a replacement for conventional triggering means, and could then be used to obtain the triggering of a fastener in situations other than slow fall.
  • its two levels of triggering previously explained could thus be exploited.
  • the threshold values could be adapted and different from the range given above.
  • the same arrangement could be used for any other gliding board than the ski, or in combination with a single means of retaining front or rear of a shoe.

Description

L'invention concerne un agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse, comme par exemple une butée ou une talonnière d'un dispositif de fixation d'une chaussure sur un ski. Elle concerne aussi un dispositif de fixation de chaussure en tant que tel, et une planche de glisse en tant que telle, incluant un tel agencement pour le déclenchement.The invention relates to an arrangement for triggering a shoe binding element for gliding board, such as for example a stop or a heel of a device for attaching a boot to a ski. It also relates to a shoe attachment device as such, and a gliding board as such, including such an arrangement for triggering.

Un dispositif de fixation d'une chaussure de ski est destiné à assurer la solidarisation de la chaussure de ski d'un skieur sur un ski. Il comprend une butée avant qui permet de bloquer l'avant de la chaussure et une talonnière arrière dont une mâchoire vient coopérer avec un trottoir arrière de la semelle de la chaussure de ski. Ces deux éléments de fixation d'une chaussure sont munis d'un mécanisme de déclenchement automatique qui permet de libérer la chaussure au-delà d'une certaine contrainte, pour éviter les blessures en cas de chute par exemple.A device for attaching a ski boot is intended to secure the ski boot of a skier on a ski. It includes a front stop which blocks the front of the shoe and a rear heel whose jaw is cooperating with a rear sidewalk of the sole of the ski boot. These two shoe attachment elements are provided with an automatic trigger mechanism that releases the shoe beyond a certain constraint, to avoid injury in case of a fall, for example.

Des normes définissent des valeurs maximales de déclenchement à ne pas dépasser pour la libération automatique d'une chaussure dans un tel dispositif de fixation sécurisé. Selon l'état de la technique, ces déclenchements sont mis en oeuvre par la butée et/ou la talonnière par l'intermédiaire d'un moyen mécanique basé sur un ressort, qui induit un mouvement de rotation automatique des mâchoires en prise avec la chaussure sous l'effet de certains efforts supérieurs à un certain seuil prédéfini, afin de libérer la chaussure. Toutefois, il s'avère dans la pratique que le seul effet du ressort de déclenchement est insuffisant et de nombreuses statistiques montrent que des fixations améliorées pourraient réduire le nombre de lésions subies par les skieurs. Ces solutions traditionnelles de déclenchement mécanique sont notamment peu efficaces en cas de chute lente d'un skieur, durant laquelle les efforts transmis aux éléments de fixation peuvent rester inférieurs au seuil de déclenchement prévu mais s'étendent sur une longue durée.Standards define maximum trigger values not to be exceeded for the automatic release of a shoe in such a secure fastening device. According to the state of the art, these triggers are implemented by the abutment and / or the heel via a mechanical means based on a spring, which induces an automatic rotational movement of the jaws in engagement with the shoe. under the effect of certain efforts above a certain predetermined threshold, in order to release the shoe. However, it turns out in practice that the only effect of the trigger spring is insufficient and many statistics show that improved fixations could reduce the number of injuries experienced by skiers. These traditional mechanical trigger solutions are notably effective in case of a slow fall of a skier, during which the forces transmitted to the fasteners may remain below the expected trigger threshold but extend over a long period.

Ainsi, les documents EP968742 , EP1810727 et EP2095853 décrivent des solutions qui comprennent un dispositif de déclenchement supplémentaire, en addition aux moyens mécaniques classiques à base de ressort décrits ci-dessus, qui fonctionne sur la base d'un moteur électrique commandé électroniquement. Ces solutions ont pour objectif de libérer la chaussure en cas de chute lente. Toutefois, elles sont soit trop complexes car reposant sur de nombreux composants, et difficiles et chères à implémenter, soit fragiles car transmettant des contraintes élevées à différents composants, soit simplement insuffisamment performantes.Thus, the documents EP968742 , EP1810727 and EP2095853 describe solutions that include an additional triggering device, in addition to the conventional spring-based mechanical means described above, which operates on the basis of an electronically controlled electric motor. These solutions aim to free the shoe in case of a slow fall. However, they are either too complex because based on many components, and difficult and expensive to implement, either fragile because transmitting high constraints to different components, or simply insufficiently efficient.

Le document WO 00/59588 A décrit un agencement selon le préambule de la revendication 1.The document WO 00/59588 A discloses an arrangement according to the preamble of claim 1.

Ainsi, il existe un besoin d'une solution de déclenchement améliorée pour libérer de manière sécurisée une chaussure sur une planche de glisse. Plus précisément, l'invention cherche à atteindre tout ou partie des objets suivants.Thus, there is a need for an improved trigger solution to securely release a boot on a gliding board. More specifically, the invention seeks to achieve all or part of the following objects.

Un premier objet de la présente invention est de proposer une solution de déclenchement pour libérer une chaussure sur une planche de glisse qui permet la libération automatique de la chaussure en cas de chute lente.A first object of the present invention is to provide a trigger solution to release a shoe on a gliding board that allows the automatic release of the shoe in case of a slow fall.

Un second objet de la présente invention est de proposer une solution de déclenchement pour libérer une chaussure sur une planche de glisse simple, peu encombrante, économique, et fiable.A second object of the present invention is to provide a trigger solution to release a shoe on a board simple, compact, economical, and reliable.

Un troisième objet de la présente invention est de proposer une solution de déclenchement permettant de minimiser les efforts subis par les éléments composant le mécanisme de déclenchement.A third object of the present invention is to provide a trigger solution for minimizing the forces experienced by the components of the trigger mechanism.

A cet effet, l'invention repose sur un agencement pour le déclenchement d'un élément de fixation de chaussure sur une planche de glisse comprenant au moins un élément de réception d'un élément de fixation d'une chaussure sur une planche de glisse, caractérisé en ce qu'il comprend un moyen de déclenchement automatique pour libérer la chaussure du au moins un élément de fixation, ce moyen comprenant une lame et/ou plusieurs biellettes articulées formant un moyen mécanique de déclenchement et un verrou permettant de verrouiller ou rendre actif le moyen mécanique de déclenchement, le moyen mécanique de déclenchement étant lié à au moins un élément de réception d'un élément de fixation d'une chaussure sur une planche de glisse pour permettre son déplacement au-delà d'un certain effort subi par l'élément de réception quand le moyen mécanique de déclenchement est actif.For this purpose, the invention is based on an arrangement for triggering a shoe attachment element on a gliding board comprising at least one element for receiving a fastener element of a boot on a gliding board, characterized in that it comprises an automatic release means for releasing the boot from the at least one fastener, which means comprising a blade and / or a plurality of articulated links forming mechanical release means and a latch for locking or activating the mechanical triggering means, the mechanical triggering means being connected to at least one element for receiving a fastening element of a boot on a gliding board to allow it to move beyond a certain force exerted by the receiving element when the mechanical triggering means is active.

Le au moins un élément de réception peut comprendre une tringle dont une extrémité est liée au moyen mécanique de déclenchement.The at least one receiving element may comprise a rod whose end is connected to the mechanical triggering means.

Le moyen mécanique de déclenchement peut comprendre une lame positionnée dans un plan vertical ou horizontal et qui s'étend longitudinalement.The mechanical trigger means may comprise a blade positioned in a vertical or horizontal plane and extending longitudinally.

La lame peut comprendre au moins un plot de blocage.The blade may comprise at least one locking pin.

Le moyen mécanique de déclenchement peut comprendre une extrémité liée à un élément de réception et une autre extrémité liée à une partie fixe ou à un autre élément de réception.The mechanical triggering means may comprise an end connected to a receiving element and another end connected to a fixed part or to another receiving element.

Le verrou peut comprendre un moyen de commande d'un élément de blocage en appui sur la lame et/ou les biellettes.The lock may comprise means for controlling a locking element bearing on the blade and / or the rods.

Le verrou peut comprendre un levier bloqueur mobile en rotation comprenant une surface en appui sur le moyen mécanique de déclenchement en configuration verrouillée, et un moyen de commande d'un élément de blocage du levier bloqueur.The lock may comprise a rotationally movable locking lever comprising a surface bearing on the mechanical triggering means in locked configuration, and a means for controlling a blocking lever locking element.

Le moyen mécanique de déclenchement peut comprendre deux biellettes liées entre elles par un axe de rotation, la surface d'appui se trouvant à proximité de cet axe de rotation.The mechanical triggering means may comprise two rods interconnected by an axis of rotation, the bearing surface being close to this axis of rotation.

Le moyen mécanique de déclenchement peut comprendre une lame associée à au moins une biellette.The mechanical triggering means may comprise a blade associated with at least one link.

Le moyen mécanique de déclenchement peut se déformer pour un effort longitudinal supérieur à un seuil compris entre 150 et 250 N quand le moyen mécanique de déclenchement est actif.The mechanical triggering means may deform for a longitudinal force greater than a threshold of between 150 and 250 N when the mechanical triggering means is active.

Selon une réalisation avantageuse, le moyen mécanique de déclenchement ne se déforme pas pour un effort longitudinal inférieur à 1000 N quand le moyen mécanique de déclenchement est verrouillé.According to an advantageous embodiment, the mechanical triggering means does not deform for a longitudinal force of less than 1000 N when the mechanical triggering means is locked.

L'agencement peut comprendre un moyen de détection de chute lente relié à un moyen de commande du verrou permettant le déverrouillage automatique en cas de chute lente.The arrangement may include a slow drop detection means connected to a lock control means for automatic unlocking in the event of a slow drop.

L'invention porte aussi sur un dispositif de fixation de chaussure pour planche de glisse comprenant au moins un élément de fixation avant ou arrière d'une chaussure et comprenant un agencement pour le déclenchement pour libérer la chaussure du au moins un élément de fixation avant ou arrière selon la revendication 1.The invention also relates to a shoe binding device for a gliding board comprising at least one front or rear fastening element of a boot and comprising an arrangement for triggering to release the boot of the at least one front fastening element or back according to claim 1.

Le au moins un élément de fixation avant ou arrière d'une chaussure peut comprendre un second moyen mécanique de déclenchement pour libérer la chaussure au-delà d'un effort supérieur à un second seuil de plus forte intensité.The at least one front or rear attachment element of a boot may comprise a second mechanical triggering means for releasing the boot beyond a force greater than a second threshold of greater intensity.

Le dispositif de fixation de chaussure pour planche de glisse peut comprendre une butée pour bloquer la partie avant d'une chaussure et une talonnière pour coopérer avec la partie arrière d'une chaussure, la butée et la talonnière comprenant chacun leur moyen de déclenchement comprenant au moins un ressort, et peut comprendre un agencement tel que décrit précédemment.The shoe binding device for a gliding board may comprise a stop for blocking the front part of a shoe and a heel piece for cooperating with the rear part of a shoe, the abutment and the heel piece each comprising their triggering means comprising minus one spring, and may include an arrangement as previously described.

L'invention porte aussi sur une planche de glisse caractérisée en ce qu'elle comprend un agencement pour le déclenchement d'un élément de fixation de chaussure tel que décrit précédemment.The invention also relates to a gliding board characterized in that it comprises an arrangement for triggering a shoe attachment element as described above.

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

  • La figure 1 représente une vue de dessous d'un agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse en configuration verrouillée selon un premier mode d'exécution de l'invention.
  • La figure 2 représente une vue en perspective de dessous de l'agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse selon le premier mode d'exécution de l'invention.
  • La figure 3 représente une vue en perspective de dessus de l'agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse selon le premier mode d'exécution de l'invention.
  • La figure 4 représente une vue de dessous de l'agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse en configuration de déclenchement selon le premier mode d'exécution de l'invention.
  • La figure 5 représente une vue en perspective de l'agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse en configuration verrouillée selon une première variante du premier mode d'exécution de l'invention.
  • La figure 6 représente une vue en perspective de dessus de l'agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse en configuration de déclenchement selon une seconde variante du premier mode d'exécution de l'invention.
  • La figure 7 représente une vue en perspective de dessous de l'agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse en configuration verrouillée selon une troisième variante du premier mode d'exécution de l'invention.
  • La figure 8 représente une vue de dessous de l'agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse en configuration de déclenchement selon la troisième variante du premier mode d'exécution de l'invention.
  • La figure 9 représente une vue de dessous d'un agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse en configuration verrouillée selon un second mode d'exécution de l'invention.
  • La figure 10 représente une vue de dessous de l'agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse en configuration de déclenchement selon le second mode d'exécution de l'invention.
  • La figure 11 représente une vue en perspective de dessous d'un agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse en configuration verrouillée selon un troisième mode d'exécution de l'invention.
  • La figure 12 représente une vue en perspective de dessous de l'agencement pour le déclenchement d'un élément de fixation de chaussure pour planche de glisse en configuration de déclenchement selon le troisième 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 particular embodiments given in a non-limiting manner in relation to the appended figures among which:
  • The figure 1 is a bottom view of an arrangement for triggering a shoe fastener for slides in locked configuration according to a first embodiment of the invention.
  • The figure 2 is a perspective view from below of the arrangement for triggering a gliding shoe attachment member according to the first embodiment of the invention.
  • The figure 3 is a perspective view from above of the arrangement for triggering a gliding shoe attachment member according to the first embodiment of the invention.
  • The figure 4 is a bottom view of the arrangement for triggering a glide board shoe fastener in a firing configuration according to the first embodiment of the invention.
  • The figure 5 represents a perspective view of the arrangement for triggering a locked board gliding shoe attachment member according to a first variant of the first embodiment of the invention.
  • The figure 6 represents a perspective view from above of the arrangement for triggering a gliding shoe fastening element in a tripping configuration according to a second variant of the first embodiment of the invention.
  • The figure 7 is a perspective view from below of the arrangement for triggering a fastener element of shoe for sliding board in locked configuration according to a third variant of the first embodiment of the invention.
  • The figure 8 is a bottom view of the arrangement for triggering a glide board shoe fastener in a tripping configuration according to the third variant of the first embodiment of the invention.
  • The figure 9 is a bottom view of an arrangement for triggering a shoeboard shoe attachment member in a locked configuration according to a second embodiment of the invention.
  • The figure 10 is a bottom view of the arrangement for triggering a gliding shoe binding member in a firing configuration according to the second embodiment of the invention.
  • The figure 11 is a perspective view from below of an arrangement for triggering a locked slide shoe attachment member according to a third embodiment of the invention.
  • The figure 12 is a perspective view from below of the arrangement for triggering a gliding shoe binding member in a tripping configuration according to the third embodiment of the invention.

L'invention va être illustrée dans le cadre d'un dispositif de fixation d'une chaussure sur un ski correspondant à une fixation alpine comprenant une butée et d'une talonnière. Elle pourrait toutefois être implémentée pour la fixation de tout élément de fixation de chaussure, aussi appelé élément de retenue de chaussure, sur toute planche de glisse, incluant le surf des neiges (snowboard) par exemple, selon tout autre principe de fixation.The invention will be illustrated in the context of a device for attaching a boot to a ski corresponding to an alpine binding comprising a buttress and heel. It could, however, be implemented for the attachment of any shoe attachment element, also known as a shoe retaining element, on any snowboard, including snowboarding for example, according to any other fastening principle.

Pour faciliter la description suivante, nous utiliserons la direction longitudinale pour la direction dans le sens de la longueur de l'agencement de fixation de chaussure, c'est-à-dire dans le sens de la chaussure quand elle est fixée sur la planche de glisse, de l'arrière vers l'avant, la direction transversale pour la direction horizontale perpendiculaire à la direction longitudinale. La direction verticale est perpendiculaire aux deux autres directions et orientée vers le haut.To facilitate the following description, we will use the longitudinal direction for the direction in the length direction of the shoe attachment arrangement, that is, in the direction of the shoe when it is attached to the shoe board. slides, from the back to the front, the transverse direction for the horizontal direction perpendicular to the longitudinal direction. The vertical direction is perpendicular to the other two directions and upward.

Selon le premier mode d'exécution de l'invention illustré sur les figures 1 à 4, l'agencement pour recevoir le dispositif de fixation d'une chaussure sur un ski comprend deux éléments de réception 1, 2 pour la fixation de la butée et de la talonnière. Ces deux éléments de réception 1, 2 se présentent sous la forme d'une plaque comprenant deux séries parallèles de dents, aménagée sur un rail 20, particulièrement visible sur la figure 1. Ces séries de dents s'étendent dans la direction longitudinale et peuvent permettre la solidarisation réglable de la butée et de la talonnière sur le ski pour s'adapter à différentes pointures de chaussure. Pour cela, la butée et la talonnière comprennent une partie dentée complémentaire dans leur partie inférieure, formée par une pièce de crantage non représentée.According to the first embodiment of the invention illustrated on the Figures 1 to 4 , the arrangement for receiving the attachment device of a boot on a ski comprises two receiving elements 1, 2 for fixing the stop and the heel. These two receiving elements 1, 2 are in the form of a plate comprising two parallel series of teeth, arranged on a rail 20, particularly visible on the figure 1 . These series of teeth extend in the longitudinal direction and can allow the adjustable fastening of the stop and heel on the ski to adapt to different shoe sizes. For this, the abutment and the heel piece comprise a complementary toothed part in their lower part, formed by a not shown notching part.

D'autre part, l'élément de réception 1 est monté de sorte d'être libre de coulisser longitudinalement au sein du rail 20 et comprend une tringle 3 qui s'étend dans la direction longitudinale jusqu'à une butée 4.On the other hand, the receiving element 1 is mounted so as to be free to slide longitudinally within the rail 20 and comprises a rod 3 which extends in the longitudinal direction to a stop 4.

Selon un élément essentiel de l'invention, l'agencement comprend de plus un moyen de déclenchement permettant la libération d'une chaussure.According to an essential element of the invention, the arrangement further comprises a triggering means allowing the release of a shoe.

Ce moyen de déclenchement comprend d'abord un moyen mécanique de déclenchement, formé par une lame 5 s'étendant longitudinalement et positionnée dans un plan vertical, dont une première extrémité est fixée sur le rail 20 et la seconde extrémité est en appui sur la butée 4.This triggering means comprises firstly a mechanical triggering means, formed by a blade 5 extending longitudinally and positioned in a vertical plane, a first end of which is fixed on the rail 20 and the second end bears against the stop 4.

Le moyen de déclenchement comprend de plus un verrou formé par un levier bloqueur 6 mobile en rotation autour d'un axe 7 et comprenant une surface 8 qui vient en appui dans une partie centrale de la lame 5 dans une configuration verrouillée, empêchant ainsi son flambement. D'autre part, le verrou comprend un moyen de commande 10 de type électroaimant ou activateur piézo-électrique, qui agit sur un élément de blocage 11 qui coopère avec une partie creuse 9 du levier bloqueur 6 de sorte de le maintenir en position verrouillée en empêchant sa rotation autour de l'axe 7 dans une première position. Le moyen de commande 10 permet de modifier la position de l'élément de blocage 11, comme cela sera explicité par la suite. En remarque, dans ce mode d'exécution, le second élément de réception 2, pour la butée ou la talonnière, est indépendant du moyen de déclenchement.The triggering means further comprises a latch formed by a locking lever 6 movable in rotation about an axis 7 and comprising a surface 8 which abuts in a central part of the blade 5 in a locked configuration, thus preventing buckling thereof . On the other hand, the lock comprises a control means 10 of electromagnet type or piezoelectric activator, which acts on a locking element 11 which cooperates with a hollow portion 9 of the blocking lever 6 so as to maintain it in the locked position. preventing its rotation about the axis 7 in a first position. The control means 10 makes it possible to modify the position of the locking element 11, as will be explained hereinafter. Note, in this embodiment, the second receiving element 2, for the stop or heel, is independent of the triggering means.

La figure 2 montre une embase 30 en vue de dessous. On distingue quatre ouvertures 23 dans chaque angle de l'embase 30 destinées au passage d'éléments de fixation, comme des vis par exemple, pour la fixation de l'embase 30 sur un ski. De plus, l'embase comprend deux ouvertures 21, 22 allongées dans la direction longitudinale pour recevoir les pièces de crantage non représentées issues de la butée et de la talonnière, prévues pour se cranter sur les éléments de réception 1, 2.The figure 2 shows a base 30 in view from below. There are four openings 23 in each angle of the base 30 for the passage of fasteners, such as screws for example, for fixing the base 30 on a ski. In addition, the base comprises two openings 21, 22 elongated in the longitudinal direction to receive not shown notches from the abutment and the heel piece, provided to be latched on the receiving elements 1, 2.

Enfin, l'embase présente une ouverture centrale 25 dans laquelle est disposé le moyen de déclenchement.Finally, the base has a central opening 25 in which is disposed the triggering means.

La figure 3 représente le rail 20 monté de manière fixe sur l'embase 30, elle-même destinée à une fixation sur la surface supérieure d'un ski. L'agencement pour le déclenchement d'un élément de fixation est ainsi disposé dans l'épaisseur formée par l'embase et le rail. En variante, l'agencement pourrait être directement aménagé à la surface du ski, sans embase ou rail intermédiaire. Sur cette figure 3 en vue de dessus, on distingue les ouvertures 23 prévues pour sa fixation sur un ski, ainsi que les deux ouvertures 21, 22 de réception de la butée et de la talonnière. La partie centrale 26 comprenant le moyen de déclenchement est fermée pour protéger ce mécanisme.The figure 3 represents the rail 20 fixedly mounted on the base 30, itself intended for attachment to the upper surface of a ski. The arrangement for triggering a fastener element is thus arranged in the thickness formed by the base and the rail. Alternatively, the arrangement could be directly arranged on the surface of the ski, without base or intermediate rail. On this figure 3 in top view, there are 23 apertures provided for its attachment to a ski, as well as the two openings 21, 22 for receiving the stop and the heel. The central portion 26 comprising the triggering means is closed to protect this mechanism.

Le fonctionnement de cet agencement va maintenant être explicité.The operation of this arrangement will now be explained.

Le moyen de déclenchement comprend d'abord un moyen de détection d'une chute lente d'un skieur, non représenté, qui peut être tout moyen, notamment un moyen parmi ceux connus de l'état de la technique, l'invention ne portant pas sur ce moyen particulier. Par exemple, le moyen de détection peut être basé sur la mesure et l'analyse du niveau d'effort longitudinal et de la durée de cet effort au niveau de la butée ou la talonnière en fonction du temps et/ou sur la mesure de l'accélération. Lorsque ce moyen détecte une chute lente du skieur, correspondant à un effort faible mais de longue durée, elle commande l'actionnement du moyen de commande 10 qui agit sur l'élément de blocage 11 pour libérer le levier bloqueur 6. Suite à cette action, le moyen de déclenchement se trouve alors dans une configuration déverrouillée, dans laquelle il est actif. En revanche, lorsque l'effort est important ou lorsqu'il est faible mais de courte durée, le moyen de déclenchement est maintenu dans sa configuration verrouillée. En remarque, si l'effort subi est très important, il est possible de dépasser le seuil de flambement des deux portions de la lame 5 réparties de part et d'autre de la surface 8 du levier bloqueur 6, et d'obtenir ainsi le déclenchement du dispositif de fixation. Le moyen de déclenchement se comporte ainsi comme un moyen à deux niveaux de déclenchement, permettant un déclenchement en cas de chute lente ainsi qu'un déclenchement en cas de chute violente. Ces deux niveaux peuvent être prédéterminés par le choix de la géométrie du moyen de déclenchement, en fonction du comportement souhaité pour ce moyen.The triggering means comprises firstly a means for detecting a slow fall of a skier, not shown, which may be any means, in particular one of those known from the state of the art, the invention not involving not on this particular means. For example, the detection means may be based on the measurement and analysis of the level of longitudinal force and the duration of this effort at the level of the stop or the heel piece as a function of time and / or the measurement of the 'acceleration. When this means detects a slow fall of the skier, corresponding to a low but long effort, it controls the actuation of the control means 10 which acts on the locking element 11 to release the blocking lever 6. Following this action the triggering means is then in an unlocked configuration, in which it is active. On the other hand, when the effort is large or when it is weak but of short duration, the triggering means is maintained in its locked configuration. Note, if the force is very important, it is possible to exceed the buckling threshold of the two portions of the blade 5 distributed on either side of the surface 8 of the blocking lever 6, and thus obtain the triggering of the fixing device. The triggering means thus behaves as a means with two trigger levels, allowing triggering in the event of a slow fall as well as triggering in the event of a violent fall. These two levels can be predetermined by the choice of the geometry of the triggering means, depending on the desired behavior for this means.

Dans la configuration déverrouillée du moyen de déclenchement, lorsqu'un effort longitudinal est appliqué sur la butée ou la talonnière, il est transmis à l'élément de réception 1 puis à la lame 5 par l'intermédiaire de la tringle 3 et de la butée 4 : lorsque cet effort est supérieur à un certain seuil, correspondant par exemple à un cas de chute lente du skieur, la lame 5 flambe en formant une courbe s'étendant transversalement, en atteignant la configuration représentée sur la figure 4. Ce flambement de la lame offre un degré de liberté à l'élément de réception 1, et donc à la butée ou la talonnière, qui est susceptible de se déplacer en translation dans la direction longitudinale et en particulier en s'éloignant de la butée ou la talonnière, ce qu'il fait sous l'effort transmis par la butée ou la talonnière. Ce déplacement entraîne le déplacement de la butée ou la talonnière en translation selon la même amplitude, ce qui permet la libération de la chaussure. En parallèle, le flambement de la lame 5 entraîne automatiquement en rotation le levier bloqueur 6, qui effectue une rotation d'un quart de tour autour de son axe 7 vertical jusqu'à atteindre la configuration représentée en figure 4.In the unlocked configuration of the triggering means, when a longitudinal force is applied to the stopper or heel, it is transmitted to the receiving element 1 and then to the blade 5 via the rod 3 and the stop 4: when this effort is greater than a certain threshold, corresponding for example to a case of slow fall of the skier, the blade 5 flames in forming a transversely extending curve, reaching the configuration shown in FIG. figure 4 . This buckling of the blade offers a degree of freedom to the receiving member 1, and therefore to the stop or heel, which is capable of moving in translation in the longitudinal direction and in particular away from the stop or the heel, what he does under the force transmitted by the stop or the heel. This movement causes the displacement of the abutment or the heel in translation at the same amplitude, which allows the release of the shoe. In parallel, the buckling of the blade 5 automatically rotates the blocking lever 6, which rotates a quarter turn around its vertical axis 7 until it reaches the configuration shown in FIG. figure 4 .

La lame 5 est naturellement choisie de sorte que son flambement survienne au-delà d'un seuil choisi pour correspondre à l'effort minimal subi en cas de chute lente du skieur. Pour cela, il est avantageux de choisir ce seuil dans la fourchette entre 150 et 250 N. La lame 5 peut être en fibres de verre, présenter une longueur entre 140 et 220 mm, une largeur d'environ 8 mm, et une épaisseur comprise entre 2 et 4 mm. Naturellement, la lame pourrait en variante se trouver dans un autre matériau, comme du carbone ou de l'acier, en adaptant son dimensionnement pour atteindre les performances mentionnées ci-dessus. De plus, le verrou peut être très simple et peu solide car il subit des efforts très faibles : en effet, la lame transmet peu d'efforts dans la direction transversale. L'architecture d'ensemble peut être choisie de sorte que les deux portions de lame réparties de part et d'autre de la surface 8 du levier bloqueur résistent à un effort très important exercé sur la lame 5, empêchant tout flambement jusqu'à des efforts inférieurs à 1000 N.The blade 5 is naturally chosen so that its buckling occurs beyond a threshold chosen to correspond to the minimum effort suffered in the event of a slow fall of the skier. For this, it is advantageous to choose this threshold in the range between 150 and 250 N. The blade 5 may be glass fiber, have a length between 140 and 220 mm, a width of about 8 mm, and a thickness included between 2 and 4 mm. Naturally, the blade could alternatively be in another material, such as carbon or steel, adapting its dimensioning to achieve the performance mentioned above. In addition, the lock can be very simple and not very strong because it undergoes very little effort: indeed, the blade transmits little effort in the transverse direction. The overall architecture can be chosen so that the two blade portions distributed on either side of the surface 8 of the blocking lever resist a very great force exerted on the blade 5, preventing any buckling up to forces less than 1000 N.

En remarque, la solution présente l'avantage de réduire les efforts élevés exercés sur la lame en un effort transversal beaucoup plus faible transmis sur le levier bloqueur 6 et l'élément de blocage 11. Si le verrouillage/déverrouillage est mis en oeuvre par un moyen électronique, une faible énergie suffit, ce qui est très avantageux. De plus, l'élément de blocage 11 reçoit un effort encore plus faible du fait de sa coopération par un mouvement de rotation du levier bloqueur 6 avec ce dernier. En variante, le moyen de blocage pourrait venir en contact direct avec la lame, sans levier bloqueur intermédiaire.As a remark, the solution has the advantage of reducing the high forces exerted on the blade in a much lower transverse force transmitted on the blocking lever 6 and the blocking element 11. If the locking / unlocking is implemented by a electronic means, low energy is sufficient, which is very advantageous. In addition, the locking element 11 receives an even lower effort due to its cooperation by a rotational movement of the blocking lever 6 with the latter. Alternatively, the locking means could come into direct contact with the blade, without intermediate locking lever.

Après libération du moyen de déclenchement, le levier bloqueur 6 se trouve positionné latéralement à l'extérieur de l'agencement, ce qui permet au skieur de visualiser facilement que le dispositif est déverrouillé et non opérationnel. Avant sa prochaine utilisation, il doit le repositionner dans sa configuration verrouillée initiale. Pour cela, il suffit de tourner manuellement en sens inverse d'un quart de tour le levier bloqueur 6 en surmontant l'effort transversal relativement faible exercé par la lame 5, jusqu'à ce qu'il vienne coopérer de nouveau avec le verrou 10 pour retrouver la configuration des figures 1 à 3.After release of the triggering means, the blocking lever 6 is positioned laterally outside the arrangement, which allows the skier to easily view that the device is unlocked and not operational. Before his next use, he must reposition it in its initial locked configuration. For this, simply turn manually in the opposite direction of a quarter turn the blocking lever 6 in overcoming the relatively low transverse force exerted by the blade 5, until it comes to cooperate again with the lock 10 to find the configuration of the Figures 1 to 3 .

La figure 5 illustre une première variante de réalisation du premier mode d'exécution de l'invention dans lequel les deux éléments de réception 1, 2 de la butée et de la talonnière sont montés tous deux mobiles en translation longitudinale. Pour une raison de simplification, l'embase 30, le rail 20 et le verrou ne sont pas représentés sur cette figure. Le second élément de réception 2 comprend aussi une tringle 13 coopérant avec une butée 14 positionnée sur la seconde extrémité de la lame 5, dont la première extrémité reste liée à la tringle 3 associée au premier élément de réception 1. Dans cette variante, les deux tringles 3, 13 sont superposées l'une au-dessus de l'autre, les deux butée 4, 14 se trouvant positionnées entre les deux tringles. Lorsque la lame 5 flambe, les deux éléments de réception 1, 2 de la butée et de la talonnière deviennent tous deux libres de se déplacer en translation longitudinale pour permettre la libération d'une chaussure.The figure 5 illustrates a first embodiment of the first embodiment of the invention wherein the two receiving members 1, 2 of the abutment and the heel are both movable in longitudinal translation. For reasons of simplification, the base 30, the rail 20 and the lock are not shown in this figure. The second receiving element 2 also comprises a rod 13 cooperating with a stop 14 positioned on the second end of the blade 5, whose first end remains connected to the rod 3 associated with the first receiving element 1. In this variant, the two 3, 13 rods are superimposed one above the other, the two abutment 4, 14 being positioned between the two rods. When the blade 5 flames, both receiving members 1, 2 of the stop and the heel are both free to move in longitudinal translation to allow the release of a shoe.

La figure 6 illustre une variante de la variante précédente, dans laquelle la lame se trouve positionnée selon un plan horizontal et non plus vertical, dans la position de repos. Ainsi, en position de flambement telle que représentée, la lame suit une courbure dans une direction verticale et non plus dans une direction transversale et occupera l'espace restant entre l'embase et la semelle de la chaussure. Cette solution permet de manière équivalente le déclenchement du dispositif de fixation de chaussure et la libération de la chaussure.The figure 6 illustrates a variant of the previous embodiment, wherein the blade is positioned in a horizontal plane and no longer vertical, in the rest position. Thus, in the position of buckling as shown, the blade follows a curvature in a vertical direction and no longer in a transverse direction and occupy the remaining space between the base and the sole of the shoe. This solution equivalently allows the triggering of the shoe attachment device and the release of the shoe.

Les figures 7 et 8 représentent une troisième variante de réalisation de l'invention dans laquelle un plot de blocage 15 fixe est positionné sur la lame 5. Dans cette variante, chaque partie de la lame répartie de part et d'autre du plot peut flamber quand le moyen de déclenchement est déverrouillé. Différentes butées 16 transversales sont aménagées au sein de l'ouverture 25 de l'embase 30, et viennent en contact avec une face de la lame 5 pour orienter son flambement vers l'autre face. Le moyen de déclenchement comprend toujours un verrou agissant sur un levier bloqueur 6 tel que décrit précédemment. En position de flambement telle qu'illustrée sur la figure 8, la lame 5 présente deux déplacements transversaux de direction opposée autour du plot 15. Cette réalisation présente l'avantage de permettre un positionnement centré de la lame, de supprimer tout effort de frottement qu'elle pourrait subir. En variante, la position du plot pourrait être réglable, pour permettre de modifier les propriétés de flambement de la lame 5, et de procéder ainsi à un réglage du seuil de déclenchement. Selon une autre variante, plusieurs plots pourraient être disposés sur la lame.The Figures 7 and 8 represent a third embodiment of the invention in which a fixed blocking pin is positioned on the In this variant, each portion of the blade distributed on either side of the stud may flare when the triggering means is unlocked. Various transverse stops 16 are arranged within the opening 25 of the base 30, and come into contact with one face of the blade 5 to direct its buckling towards the other face. The triggering means always comprises a lock acting on a blocking lever 6 as described above. In the buckling position as illustrated on the figure 8 , the blade 5 has two transverse displacements of opposite direction around the pad 15. This embodiment has the advantage of allowing a centered positioning of the blade, to remove any friction force that it could suffer. Alternatively, the position of the pad could be adjustable, to allow to modify the buckling properties of the blade 5, and to proceed to a setting of the trigger threshold. According to another variant, several studs could be arranged on the blade.

Les figures 9 et 10 illustrent un second mode d'exécution de l'invention, qui se différencie principalement du premier mode d'exécution en ce que la lame est remplacée par un moyen mécanique de déclenchement formé par deux biellettes 31, 32 sensiblement alignées et s'étendant dans la direction longitudinale en configuration verrouillée illustrée sur la figure 9. Selon le mode d'exécution représenté, le second élément de réception 2 de la butée ou de la talonnière présente une tringle 13 s'étendant longitudinalement jusqu'à une butée 14. La première biellette 31 est fixée par un axe de rotation 34 sur le rail 20 alors que la seconde biellette 32 est fixée sur la butée mobile 14 par un axe de rotation 35. Les deux biellettes 31, 32 sont liées entre elles par un axe de rotation 33. Les trois axes 33, 34, 35 sont sensiblement alignés. Selon une réalisation avantageuse, l'axe 33 est légèrement décalé vers le centre, afin de faciliter le basculement des biellettes. Le verrou formé par le levier bloqueur 6 et l'élément de blocage 11 se présente comme dans le premier mode d'exécution. La surface d'appui 8 du levier bloqueur 6 se trouve au niveau de l'axe de rotation 33 de liaison entre les deux biellettes 31, 32.The Figures 9 and 10 illustrate a second embodiment of the invention, which differs mainly from the first embodiment in that the blade is replaced by a mechanical trigger means formed by two rods 31, 32 substantially aligned and extending in the longitudinal direction in locked configuration illustrated on the figure 9 . According to the embodiment shown, the second receiving member 2 of the abutment or heel has a bead wire 13 extending longitudinally to a stop 14. The first link 31 is fixed by an axis of rotation 34 on the rail 20 while the second link 32 is fixed on the movable stop 14 by an axis of rotation 35. The two rods 31, 32 are interconnected by an axis of rotation 33. The three axes 33, 34, 35 are substantially aligned . According to an advantageous embodiment, the axis 33 is slightly offset towards the center, in order to facilitate the tilting of the rods. The lock formed by the lever blocker 6 and the blocking element 11 is as in the first embodiment. The bearing surface 8 of the blocking lever 6 is at the level of the axis of rotation 33 connecting the two rods 31, 32.

Le fonctionnement du moyen de déclenchement ainsi obtenu est similaire à celui du premier mode d'exécution. Lorsque le moyen de déclenchement est déverrouillé, les deux biellettes 31, 32 se déplacent en direction transversale au-delà d'un certain seuil d'effort longitudinal exercé. L'architecture est définie pour que les deux biellettes se déplacent en cas de chute lente d'un skieur. La figure 10 illustre la position des deux biellettes 31, 32 en configuration de déclenchement.The operation of the triggering means thus obtained is similar to that of the first embodiment. When the triggering means is unlocked, the two rods 31, 32 move in the transverse direction beyond a certain threshold of longitudinal force exerted. The architecture is defined so that the two links move in case of a slow fall of a skier. The figure 10 illustrates the position of the two rods 31, 32 in the trigger configuration.

Les figures 11 et 12 illustrent un troisième mode d'exécution de l'invention, qui combine les deux modes d'exécution précédents. Le moyen de déclenchement comprend en effet un moyen mécanique de déclenchement comprenant une lame 5 et deux biellettes 31, 32. La lame 5 comprend une première extrémité en appui sur l'embase 30 et une seconde extrémité fixée sur la première biellette 31. Cette dernière est liée à une seconde biellette 32 par un axe de rotation 33. La seconde biellette présente une extrémité liée à la tringle 13 par un axe de rotation 35, elle-même reliée à l'élément de réception 2 de la butée ou de la talonnière.The Figures 11 and 12 illustrate a third embodiment of the invention, which combines the two previous modes of execution. The triggering means in fact comprises a mechanical triggering means comprising a blade 5 and two links 31, 32. The blade 5 comprises a first end resting on the base 30 and a second end fixed on the first link 31. The latter is connected to a second link 32 by an axis of rotation 33. The second link has an end connected to the rod 13 by an axis of rotation 35, itself connected to the receiving member 2 of the stop or the heel .

Le moyen de déclenchement comprend de plus un verrou comprenant un levier bloqueur 6' comprenant une surface d'appui 8' venant en contact avec la lame 5 et mobile en rotation autour d'un axe 7'. Un moyen de commande 10 permet de bloquer ou non la rotation du levier bloqueur 6'. En position de déclenchement, illustrée sur la figure 12, les deux biellettes 31, 32 ne sont plus alignées, comme dans le mode d'exécution précédent, et la lame 5 est courbée.The triggering means further comprises a lock comprising a locking lever 6 'comprising a bearing surface 8' coming into contact with the blade 5 and rotatable about an axis 7 '. A control means 10 makes it possible to block or not the rotation of the blocking lever 6 '. In the trip position, illustrated on the figure 12 , the two rods 31, 32 are no longer aligned, as in the previous embodiment, and the blade 5 is curved.

Ce troisième mode d'exécution présente l'avantage de combiner les propriétés des biellettes et d'une lame élastique. La lame se déforme en section. Dans un premier temps, elle commence à flamber vers le verrou, puis entraîne la biellette dans un deuxième temps, puis fléchit. Cette solution présente un faible encombrement dans les deux directions longitudinale et transversale.This third embodiment has the advantage of combining the properties of the rods and an elastic blade. The blade is deformed in section. At first, it begins to flare towards the lock, then drives the link in a second time, then bends. This solution has a small footprint in both longitudinal and transverse directions.

Suite à la description précédente, il apparaît évident que d'autres modes d'exécution peuvent être imaginés, notamment en combinant les différentes variantes décrites précédemment. De plus, d'autres architectures pourraient être envisagées sans sortir du cadre de l'invention. Notamment, l'agencement a été prévu au sein d'une embase prévue pour une fixation sur une planche de glisse. En variante, il pourrait être intégré directement dans la structure de la planche de glisse, sans utilisation d'une embase. De plus, les différents composants participant au déclenchement pourraient présenter d'autres formes. Par exemple, les éléments de réception d'un élément de retenue d'une chaussure pourraient se présenter sous une forme simplifiée, sans partie dentée. Le moyen mécanique de déclenchement pourrait se présenter différemment, comprendre par exemple plus de deux biellettes. Le déplacement en translation d'un élément de réception de la butée ou de la talonnière pourrait présenter différentes amplitudes. Avantageusement, une amplitude relativement faible sera choisie, de l'ordre de 9 mm, ce qui suffit à libérer une chaussure. Dans le cas où les deux éléments de réception sont libres de se déplacer, chacun peut le faire selon une amplitude réduite de 4,5 mm pour obtenir un résultat équivalent. D'autre part, l'agencement décrit permet des déplacements en translation longitudinale : toutefois, il pourrait être équivalent de prévoir des déplacements dans des directions différentes, ou de nature différente, comme des rotations de certains composants.Following the above description, it is clear that other embodiments can be imagined, including combining the different variants described above. In addition, other architectures could be envisaged without departing from the scope of the invention. In particular, the arrangement has been provided within a base provided for attachment to a gliding board. Alternatively, it could be integrated directly into the structure of the gliding board, without the use of a base. In addition, the various components involved in triggering could have other forms. For example, the receiving elements of a shoe retainer could be in a simplified form without a toothed portion. The mechanical triggering means could be different, including for example more than two rods. The translational movement of a receiving member of the stop or heel may have different amplitudes. Advantageously, a relatively small amplitude will be chosen, of the order of 9 mm, which is enough to release a shoe. In the case where the two receiving elements are free to move, each can do so at a reduced amplitude of 4.5 mm to obtain an equivalent result. On the other hand, the arrangement described allows displacements in longitudinal translation: however, it could be equivalent to provide displacements in different directions, or of a different nature, such as rotations of certain components.

L'agencement décrit précédemment est donc particulièrement adapté pour le déclenchement d'un dispositif de fixation d'une chaussure, c'est-à-dire induisant la libération automatique d'une chaussure du dispositif de fixation. Cette solution convient bien pour un dispositif de fixation comprenant un élément de retenue avant et un élément de retenue arrière comme dans le cas du ski. Ainsi, cet agencement est particulièrement bien adapté pour être combiné avec les butée et talonnière existantes, dans le but de représenter un moyen de déclenchement supplémentaire, s'ajoutant au moyen mécanique de déclenchement traditionnel à base de ressort déjà prévu dans les butée et talonnière. Ce moyen de déclenchement supplémentaire sera alors prévu pour pallier aux déficiences des moyens de déclenchement traditionnels, notamment pour obtenir le déclenchement du dispositif de fixation en cas de chute lente, comme cela à été décrit ci-dessus. Dans un tel cas, le dispositif de fixation présentera donc un premier moyen de déclenchement réagissant au-delà d'un premier seuil d'effort subi d'intensité élevée mais de durée faible, correspondant aux normes existantes de déclenchement et un second moyen de déclenchement réagissant au-delà d'un second seuil distinct d'effort subi d'intensité plus faible mais de durée plus longue.The arrangement described above is therefore particularly suitable for triggering a shoe attachment device, that is to say inducing the automatic release of a shoe from the fastener. This solution is well suited for a fastening device comprising a front retaining element and a rear retaining element as in the case of the ski. Thus, this arrangement is particularly well suited to be combined with the existing abutment and heel, in order to represent an additional triggering means, adding to the traditional spring-based mechanical triggering means already provided in the abutment and heel. This additional triggering means will then be provided to overcome the deficiencies of the traditional triggering means, in particular to obtain the triggering of the fixing device in case of a slow drop, as has been described above. In such a case, the fixing device will thus have a first triggering means reacting beyond a first high intensity but low duration force threshold, corresponding to the existing triggering standards and a second triggering means. reacting beyond a second distinct threshold of effort at a lower intensity but longer duration.

En variante toutefois, le moyen de déclenchement selon l'invention pourrait être utilisé de manière isolée ou en remplacement des moyens de déclenchement traditionnels, et pourrait alors être utilisé pour obtenir le déclenchement d'un dispositif de fixation dans d'autres situations qu'une chute lente. Notamment, ses deux niveaux de déclenchement explicités auparavant pourraient ainsi être exploités. Dans un tel cas, les valeurs de seuil de déclenchement pourraient être adaptées et différentes de la fourchette donnée précédemment.Alternatively, however, the triggering means according to the invention could be used in isolation or as a replacement for conventional triggering means, and could then be used to obtain the triggering of a fastener in situations other than slow fall. In particular, its two levels of triggering previously explained could thus be exploited. In such a case, the threshold values could be adapted and different from the range given above.

De plus, le même agencement pourrait être utilisé pour toute autre planche de glisse que le ski, ou en association avec un seul moyen de retenue avant ou arrière d'une chaussure.In addition, the same arrangement could be used for any other gliding board than the ski, or in combination with a single means of retaining front or rear of a shoe.

Claims (16)

  1. An arrangement for the disengagement of a boot-attachment element on a sliding board comprising at least one receiving element (1, 2) for receiving a boot-attachment element on a sliding board, said arrangement comprising an automatic disengagement means for releasing the boot from the at least one attachment element, this means comprising a strip (5) and/or several articulated link rods (31, 32) forming a mechanical disengagement means and a lock (6, 10, 11) making it possible to lock or activate the mechanical disengagement means, characterized in that the mechanical disengagement means is connected to at least one receiving element (1, 2) for receiving a boot-attachment element on a sliding board in order to allow its movement beyond a certain force sustained by the receiving element (1, 2) when the mechanical disengagement means is active.
  2. The arrangement as claimed in the preceding claim, wherein the at least one receiving element (1; 2) comprises a rod (3; 13) of which one end is connected to the mechanical disengagement means.
  3. The arrangement as claimed in one of the preceding claims, wherein the mechanical disengagement means comprises a strip (5) which is positioned in a vertical or horizontal plane and which extends longitudinally.
  4. The arrangement as claimed in the preceding claim, wherein the strip (5) comprises at least one immobilization post (15).
  5. The arrangement as claimed in one of the preceding claims, wherein the mechanical disengagement means comprises one end connected to a receiving element (1; 2) and another end connected to a fixed portion or to another receiving element (2; 1).
  6. The arrangement as claimed in one of the preceding claims, wherein the lock comprises a control means (10) for controlling an immobilization element (11) resting on the strip (5) and/or the link rods (31, 32).
  7. The arrangement as claimed in one of the preceding claims, wherein the lock comprises a rotatable immobilizing lever (6; 6') comprising a surface (8; 8') resting on the mechanical disengagement means in the locked configuration; and a control means (10) for controlling an immobilization element (11) of the immobilizing lever (6; 6').
  8. The arrangement as claimed in the preceding claim, wherein the mechanical disengagement means comprises two link rods (31, 32) connected together by a rotary spindle (33), the bearing surface (8; 8') being close to this rotary spindle (33).
  9. The arrangement as claimed in one of claims 1 to 7, wherein the mechanical disengagement means comprises a strip (5) associated with at least one link rod (31, 32).
  10. The arrangement as claimed in one of the preceding claims, wherein the mechanical disengagement means deforms for a longitudinal force greater than a threshold of between 150 and 250 N when the mechanical disengagement means is active.
  11. The arrangement as claimed in one of the preceding claims, wherein the mechanical disengagement means does not deform for a longitudinal force of less than 1000 N when the mechanical disengagement means is locked.
  12. The arrangement as claimed in one of the preceding claims, wherein said arrangement comprises a slow-fall detection means connected to a means for controlling the lock allowing automatic unlocking in the event of a slow fall.
  13. A boot-attachment device for a sliding board comprising at least one front or rear attachment element for attaching a boot and comprising an arrangement for the disengagement as claimed in claim 1.
  14. The boot-attachment device for a sliding board as claimed in the preceding claim, wherein the at least one front or rear attachment element for attaching a boot comprises a second mechanical disengagement means for releasing the boot beyond a force greater than a second threshold of greater intensity.
  15. The boot-attachment device for a sliding board as claimed in claim 13 or 14, wherein said device comprises a toepiece for immobilizing the front portion of a boot and a heelpiece for interacting with the rear portion of a boot, the toepiece and the heelpiece each comprising their disengagement means comprising at least one spring, and wherein said device comprises an arrangement as claimed in one of claims 1 to 12.
  16. The sliding board which comprises an arrangement for the disengagement of a boot-attachment element as claimed in one of claims 1 to 12.
EP11182430.6A 2010-09-28 2011-09-23 Ski binding with safety interface Active EP2438969B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1057798A FR2965187B1 (en) 2010-09-28 2010-09-28 DEVICE FOR FIXING A SHOE ON A SKI WITH SAFETY INTERFACE

Publications (2)

Publication Number Publication Date
EP2438969A1 EP2438969A1 (en) 2012-04-11
EP2438969B1 true EP2438969B1 (en) 2014-05-07

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EP11182430.6A Active EP2438969B1 (en) 2010-09-28 2011-09-23 Ski binding with safety interface

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US (1) US8585074B2 (en)
EP (1) EP2438969B1 (en)
FR (1) FR2965187B1 (en)

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NO3119486T3 (en) * 2014-03-19 2018-07-14

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US2095853A (en) 1936-04-03 1937-10-12 Gen Electric Elastic fluid power plant
US3672694A (en) * 1970-12-21 1972-06-27 Whittaker Corp Means and techniques for releasably securing ski boots to skis
CH554181A (en) * 1972-07-07 1974-09-30 Haldemann Sa SAFETY FIXING DEVICE NOW REMOVABLE A BOOT ON A SKI.
DE2401729C2 (en) * 1973-05-12 1982-12-02 Geze Gmbh, 7250 Leonberg Safety ski bindings
DE4030816A1 (en) * 1990-09-28 1992-04-02 Jungkind Roland Heel holder for ski binding - consists of housing with sole holder, and three parallel axles, compression spring, two cams, and opening lever
AT399290B (en) * 1991-08-23 1995-04-25 Tyrolia Freizeitgeraete SAFETY SKI BINDING
US5566966A (en) * 1991-08-27 1996-10-22 Salomon S.A. Device for modifying the pressure distribution of a ski along its sliding surface
FR2680697B1 (en) * 1991-08-27 1993-11-05 Salomon Sa DEVICE FOR MODIFYING THE PRESSURE DISTRIBUTION OF A SKI ON THE SLIDING SURFACE.
IT1251777B (en) * 1991-11-08 1995-05-24 Nordica Spa HEEL FOR SKI ATTACKS WITH AUTOMATIC RESET VEHICLES
FR2684885B1 (en) * 1991-12-11 1994-02-04 Salomon Sa DEVICE FOR DISTRIBUTING THE PRESSURE OF A SKI ON A SLIDING SURFACE.
FR2739301B1 (en) * 1995-09-28 1997-12-12 Salomon Sa ELEMENT AND ASSEMBLY FOR RETAINING A SHOE ON A SNOWBOARD
US6648365B1 (en) * 1997-01-08 2003-11-18 The Burton Corporation Snowboard binding
DE59810595D1 (en) 1998-07-01 2004-02-19 Tyrolia Technology Gmbh Schwec Method for releasing a ski boot used in a safety ski binding and arrangement for a ski binding part of a safety ski binding
AUPP954399A0 (en) * 1999-03-30 1999-04-29 Powder Design Pty. Ltd. Snowboard safety release binding
FR2896427B1 (en) 2006-01-20 2010-09-24 Salomon Sa SECURITY FASTENING FOR SKI SHOE
FR2927818B1 (en) * 2008-02-26 2011-09-09 Salomon Sa TRIGGER DEVICE FOR FIXING A SHOE ON A SLIDING GEAR

Also Published As

Publication number Publication date
EP2438969A1 (en) 2012-04-11
FR2965187A1 (en) 2012-03-30
US8585074B2 (en) 2013-11-19
US20120074670A1 (en) 2012-03-29
FR2965187B1 (en) 2012-10-26

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