EP4228776B1 - Device for locking a binding to a snowboard comprising a pivoting locking lever - Google Patents

Device for locking a binding to a snowboard comprising a pivoting locking lever Download PDF

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Publication number
EP4228776B1
EP4228776B1 EP21823795.6A EP21823795A EP4228776B1 EP 4228776 B1 EP4228776 B1 EP 4228776B1 EP 21823795 A EP21823795 A EP 21823795A EP 4228776 B1 EP4228776 B1 EP 4228776B1
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EP
European Patent Office
Prior art keywords
base
locking
lever
axial direction
disc
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EP21823795.6A
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German (de)
French (fr)
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EP4228776C0 (en
EP4228776A1 (en
Inventor
Jean-Pierre Edmond
David Fernandez
Thierry KUNZ
Daniel SCHMÄH
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Nidecker SA
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Nidecker SA
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Publication of EP4228776A1 publication Critical patent/EP4228776A1/en
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Publication of EP4228776C0 publication Critical patent/EP4228776C0/en
Publication of EP4228776B1 publication Critical patent/EP4228776B1/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
    • A63C10/00—Snowboard bindings
    • A63C10/16—Systems for adjusting the direction or position of the bindings
    • A63C10/18—Systems for adjusting the direction or position of the bindings about a vertical rotation axis relative to the board

Definitions

  • the invention relates to a device for locking a binding to a snowboard, comprising more particularly a disc, a base of which is fixed to the snowboard and housed in an opening in a base of the binding, and a lever articulated at the base of the disc, pivoting from an unlocking position to a blocking position, in which the base is blocked in any angular position relative to an axial direction of the base of the disc, the opening of the the base being provided with a shoulder.
  • the lever is a clamping lever, acting on a locking disk, movable in translation in the axial direction along guides, to overlap the shoulder of the base through an intermediate disk, linked in rotation to the base and transmit the clamping force exerted by the lever on said shoulder.
  • the locking disk guided in axial translation is, in any position between the locking position and the unlocking position, able to overlap the shoulder of the intermediate disk, without the possibility of fitting into the opening of said disk. , in the unlocked position.
  • the document EP 2 200 870 discloses a locking device of a similar type, except that no lever is hinged to the base of the disc.
  • the angular blocking of the binding and the tightening of the blocking position are obtained by sliding a coupling element relative to the base, to engage with a shoulder of a disc fixed to the snowboard.
  • the document US 5,277,635 also discloses a locking device of a similar type, except that the lever is articulated to the base. Unlike the claimed invention, the lever is a tightening lever, exerting a force on a flexible link tightened around a shoulder of the disc fixed to the snowboard.
  • blocking means comprise two bolts, guided in translation relative to the base of the disc, from the unlocking position to the blocking position.
  • the overlap in the blocking position comprises a surface, inclined relative to the axial direction, formed at one end of each bolt and intended to cooperate by complementarity, with an inclined surface formed on the periphery of the opening of the base.
  • the bolts are controlled in opposite directions by a pinion or a cam of the clamping means, to transmit the clamping force to the base via the complementary inclined surfaces.
  • cylindrical teeth are formed on the base of the disc, the teeth extending in the axial direction.
  • the base is inserted in the axial direction in complementary teeth, formed around the perimeter of the opening of the base.
  • the document FR 2 627 097 discloses a device of a type different from the previous one in that, in the blocking position, the two bolts block the base in rotation around an axial direction of the disc, via teeth formed in the end of each bolt, complementary to a cylindrical toothing of the opening. In the unlocking position, the bolts allow the fixing to be unlocked, to rotate it around the axial direction, in a new angular position.
  • the bolts are controlled in translation in opposite directions, by a lever of the clamping means, articulated to one of the bolts.
  • the aim of the invention is to provide an alternative to a locking device known from the document DE 197 00 291 .
  • the subject of the invention is a device for locking a binding to a snowboard, comprising a disc, a base of which is fixed to the snowboard and housed in an opening in a base of the binding. and a lever, articulated at the base, pivoting from an unlocking position to a blocking position, in which the base is blocked in any angular position relative to an axial direction of the base of the disc, the opening of the the base being provided with a shoulder, characterized in that the lever is a locking lever, overlapping the shoulder of the opening of the base in the locking position and transmitting a tightening force on said shoulder, exerted by a clamping means, the lever fitting into the opening of the base in the unlocking position.
  • the lever In the blocking position, the lever blocks any axial movement of the base and transmits the clamping force like a jaw by biting on the opening, while in the unlocking position, it allows the unlocking of the attachment to remove it from the snowboard, by passing the lever through the opening in the base. In this position, the lever also allows you to modify the angular position of the base relative to the snowboard.
  • the result is an effective and reliable locking device, allowing rapid assembly and disassembly of the binding on the snowboard and which does not require the provision of additional inclined surfaces between the opening of the base and the locking means. .
  • the pivoting lever carries teeth whose teeth extend along a radius of curvature of the lever.
  • the lever can thus reproduce the teeth of an ordinary removable fixation disc, for which the teeth protrude in a plane perpendicular to the axial direction of the disc, so that the device is suitable for any standard fixation , for which the complementary teeth, formed around the periphery of the opening, also extend perpendicular to the axial direction of the opening.
  • the teeth of the lever can be inclined relative to the axial direction of the disc, forming a conical crown centered on the axial direction. The same applies to the complementary teeth formed in the opening of the base.
  • the blocking means may comprise a second lever, the two levers pivoting from the unlocking position to the blocking position, around two pivot axes carried by the base of the disc and parallel to each other.
  • the blocking means can also comprise a second and a third lever, the three levers pivoting from the unlocking position to the blocking position, around three pivot axes carried by the base of the disc, perpendicular to three intersecting planes, forming between them an angle preferably equal to 120°.
  • the clamping means may comprise a lever, articulated at the base of the disc, around a pivot axis, engaged in grooves formed in the base, to slide relative to the base and exert, in the blocking position, the tightening force via the pivot axis engaged with a heel of the lever.
  • the clamping means can also comprise two bolts, controlled in translation relative to the base by a cam, movable in rotation around the axial direction, to exert, in the blocking position, the clamping force via 'a heel of each of the two levers, engaged with the two bolts.
  • the clamping means may also comprise a clamping ring, movable in rotation around the axial direction, to exert, in the blocking position, the clamping force via a surface engaged with a complementary surface of one and the other lever, the two bearings forming a helical screw thread.
  • the clamping means may also comprise a clamping ring, movable in rotation around the axial direction, to exert, in the blocking position, the clamping force via a radial arm or a tangential notch engaged with a pin on the lever.
  • the heel of the lever, or the radial arm or the tangential notch of the clamping ring has an inclination relative to the axial direction.
  • a device for locking a binding to a snowboard comprises a disc 1, a base 3 of which is fixed on the snowboard 5 and housed in an opening 7 of a base 9 of the binding.
  • a lever 11 is articulated at the base 3 of the disc 1, to pivot from an unlocking position, Fig. 1 , in which the lever 11 fits into the opening 7 of the base 9, in a blocking position, Fig. 2 , in which the lever 11 overlaps the opening 7 and is controlled in rotation by a clamping screw 13, to transmit a clamping force on the base 9, in any angular position of the base 9 relative to the axial direction A from disc 1.
  • the base 3 of the disc 1 is fixed to the snowboard 5 by screws 15.
  • the lever 11 pivots around an axis of rotation R1 carried by the base 3 of the disc 1, in a plane perpendicular to the axial direction A.
  • the overlap in the blocking position is ensured by a shoulder 17, formed on a circular periphery 19 of the lever 11 and cooperating by complementarity, with a shoulder 21, formed on the circular periphery of the opening 7 of the base 9.
  • the circular periphery 19 of the lever 11 is truncated according to truncations 23 to fit into the opening 7 in the unlocking position.
  • the lever 11 includes a housing 14 for receiving the base 3 of the disc 1 in the locking position.
  • the lever 11 blocks the base 9 in the axial direction A of the disc 1 and transmits the clamping force in the manner of a jaw, by biting on the opening 7, while in the position of unlocking, it allows you to unlock the binding to remove it from the snowboard 5, by passing the lever 11 through the opening 7 of the base 9.
  • the tightening force can be transmitted via an elastomer seal 25 placed on one of the two shoulders 17, 21 which is overlap in the locking position.
  • the shoulders 17, 21 can be provided with a rough relief.
  • THE figures 3 to 5 illustrate a variant of the first embodiment of the invention, which is distinguished by the clamping means.
  • the latter comprises an operating lever 27, articulated to the base 3 of the disc 1 by a pivot axis 29.
  • the operating lever 27 forms a toggle with a follower lever 33 to which it is articulated by a hinge pin 35, the follower lever 33 being itself articulated to the base 3 of the disc 1, around a pivot axis 31, engaged in grooves 37 formed in the base 3, to slide in a direction D perpendicular to the axis of rotation R1 of the lever 11 of the blocking means.
  • the toggle lever In the unlocked position, Fig. 4 , the toggle lever is open, the operating lever 27 and the follower lever 33 being raised relative to the base 3 of the disc 1.
  • the housing 14 of the lever 11 provided to receive the base 3 of the disc 1 in the blocking position, is here open to allow the lever to pivot in this position, without exerting force on the operating lever 27 and the follower lever 33, in their raised position.
  • the operating lever 27 is lowered into a housing 28 of the base 3 of the disc 1, by sliding the pivot axis 31 in the grooves 37.
  • the pivot axis 31 comes into engagement with a heel 39 of the lever 11 to control it in rotation around the axis R1, preferably, in proportion to a slope 41 formed on the heel 39.
  • the slope 41 allows the lever 11 to transmit the tightening force in a more progressively, as the operating lever 27 is lowered into the closing position of the toggle lever.
  • the tightening force reaches a maximum at the moment when the articulation axis 35 crosses the plane passing through the pivot axis 31, engaged in the grooves 37, and the pivot axis 29, to lock the knee lever in the open position.
  • THE figures 6 And 7 illustrate a second embodiment of the invention, according to which the blocking means comprise a second lever 10, similar to the first lever 11 described previously.
  • the two levers 10, 11 pivot in opposite directions, from the unlocking position to the blocking position, around two pivot axes R0, R1 carried by the base 3 of the disc 1 and parallel to each other, in a plane perpendicular to the axial direction A.
  • the latter are provided with teeth 43 forming a gear.
  • the housing 14 of each lever 10, 11, designed to receive the base 3 of the disc 1 in the locking position, is here open to accommodate the clamping means.
  • the latter comprises a clamping ring 45, movable in rotation around the axial direction A of the base 3 of the disc 1.
  • the clamping ring 45 is pinched on the base 3 of the disc 1 via a lip 47 opposite a shoulder 49.
  • the first and second levers 10, 11 are engaged by a helical screw thread, comprising a surface 51 formed in the ring 45 of clamping and a complementary surface 52, formed in one and the other lever 10, 11, in a wall of their housing 14, in opposition to the circular periphery 19 of each lever.
  • the clamping ring 45 In the unlocked position, the complementary bearings 51, 52 are disengaged from each other.
  • the clamping ring 45 is rotated around the axial direction A, to engage the bearing surfaces 51, 52 following the helical screw thread.
  • the clamping ring 45 controls the levers 10, 11 in rotation around their pivot axis R0, R1 so that they transmit the clamping force to the opening 7 of the base 9 through the intermediate the overlap of the shoulders 17, 21.
  • a washer 53 placed between the lip 47 and the base 3 of the disc 1 to facilitate the rotation of the clamping ring 45.
  • This second embodiment with two levers offers a larger overlapping area than that of the first mode and a symmetrical distribution of the clamping force, around the perimeter of the opening of the base.
  • THE figures 8 to 12 illustrate a first variant of the second embodiment of the invention, which is distinguished by another clamping means.
  • This is again a toggle lever comparable to that described previously, but adapted to the two levers 10, 11.
  • the operating lever 27 is also articulated to the base 3 of the disc 1, by a pivot axis 29 engaged in grooves 37 formed in the base 3, to slide, in the direction opposite to the sliding of the follower lever 33, in the direction D perpendicular to the pivot axes R0, R1 of the levers 10, 11.
  • the toggle lever is open, the operating lever 27 and the follower lever 33 being raised relative to the base 3 of the disc 1.
  • each lever 10, 11, designed to receive the base 3 of the disc 1 in the position blocking is here open to allow the levers to pivot in this position, without exerting effort on the operating lever 27 and the follower lever 33, in their raised position.
  • centering wedges 4 of the base 3 of the disc 1 in the opening 7 of the base are also note, elastically deformed tabs 42 to hold the operating lever 27 and the follower lever 33, in their position raised.
  • the operating lever 27 and the follower lever 33 are lowered into the housing 28 of the base 3 of the disc 1, by sliding in opposite directions of their pivot axis 30 , 31 in the grooves 37.
  • their pivot axis 30, 31 comes into engagement with a heel 39 of each lever 10, 11 blocking, to control them in rotation around their pivot axis R0, R1 preferably, in proportion to a slope 41 formed on the heel 39.
  • the slope 41 allows the levers 10, 11 to transmit the tightening force in a more progressive manner, as the operating lever 27 is lowered into the closing position of the toggle lever.
  • the tightening force passes through a maximum at the moment when the articulation axis 35, between the operating lever 27 and the follower lever 33, crosses the plane passing through their pivot axes 30, 31 engaged in the grooves 37, to lock the knee lever in the open position.
  • THE figures 13 to 15 illustrate a second variant of the second embodiment of the invention, which is distinguished by another clamping means.
  • These are two bolts 22, 24 sliding relative to base 3 of disc 1, in direction D and guided in translation by rods 26 fixed to base 3 and housed in two slots 32 of the bolts.
  • the latter are controlled, against an elastic return means (not shown) by a cam 34, retained by a screw 36 at the base 3 of the disc 1 and movable in rotation around the axial direction A.
  • the two bolts are in an open position, spaced from each other by a width of the cam 34, to allow the levers to pivot into the blocking position.
  • the cam is turned around the axial direction A to slide the two bolts 22, 24 in two opposite directions, in a closed position, separated by a length of the cam 34, greater than the width .
  • THE figures 16 to 18 illustrate a third embodiment of the invention, according to which the blocking means comprise a third lever 12, similar to the levers 10, 11 described previously.
  • the three levers 10, 11, 12 pivot, from the unlocking position to the blocking position, around three pivot axes R0, R1, R2 carried by the base 3 of the disc 1, in a plane perpendicular to the axial direction A and perpendicular to three intersecting planes, making between them an angle preferably equal to 120°.
  • a housing 16 of the base 3 of the disc 1 is provided to receive each lever 10, 11, 12 in the locking position.
  • the clamping means comprises a clamping ring 55, movable in rotation around the axial direction A of the base 3 of the disc 1.
  • the clamping ring 55 is clamped on the base 3 of the disc 1 via a rivet 57. It comprises three radial arms 61 which each have an inclined edge 63 relative to the axial direction A. In the unlocking position, the clamping ring 55 is in a position for which the three arms 61 extend between the housings 16 of the base 3 of the disc 1 to allow the pivoting of the three levers 10, 11, 12 in the blocking position.
  • the clamping ring 55 is rotated around the axial direction A to tighten the three levers using the three radial arms 61.
  • the inclined edge 63 of each arm 61 makes it possible to transmit the tightening force in a more progressive manner, as the ring rotates around the axial direction A.
  • the tightening ring 55 controls the levers 10, 11, 12 in rotation around of their pivot axis R0, R1, R2 so that they transmit the clamping force to the opening 7 of the base 9 via the overlap of the shoulders 17, 21.
  • This third embodiment with three levers offers a distribution of the tightening force over three sectors around the opening of the base, preferably at 120° from each other.
  • THE figures 19 to 21 illustrate a variant of the third embodiment of the invention, which is distinguished by the clamping means.
  • the latter comprises a clamping ring 65, movable in rotation around the axial direction A of the base 3 of the disc 1, with which each of the three levers 10, 11, 12, in the blocking position, is engaged by the intermediate of a lug 67 engaged in one of the three tangential notches 69 of the clamping ring 65.
  • the clamping ring 65 is housed in a shoulder 71 of the base 3 of the disc 1 and each of the three tangential notches 69 has a slope 73 relative to the axial direction A.
  • the clamping ring 65 In the unlocking position, the clamping ring 65 is in a position for which the three tangential notches 69 have an opening 75, arranged in the secant plane perpendicular to the pivot axis R0, R1 , R2 and passing through the lug 67 fixed to the three levers 10, 11, 12, to allow them to pivot into the locking position.
  • the clamping ring 65 is rotated around the axial direction A to tighten the three levers via the lug 67 engaging with the three tangential notches 69
  • the slope 73 makes it possible to transmit the tightening force more progressively, as the tightening ring 65 rotates around the axial direction A.
  • the tightening ring 65 controls the levers 10, 11, 12 in rotation around their pivot axis R0, R1, R2 so that they transmit the clamping force to the opening 7 of the base 9 via the overlap of the shoulders 17, 21.
  • the invention advantageously provides for providing these levers and this opening with complementary teeth.
  • the teeth 77 extend along a radius of curvature of the lever 10, 11, 12 or of the opening 7 of the base 9.
  • the curvature of the lever or of the opening is circular.
  • the lever thus reproduces the teeth of an ordinary removable fixing disc, for which the teeth 77 project in a plane perpendicular to the axial direction A of the base 3 of the disc 1, so that the device is suitable for any standard fixing, for which the teeth 79 of the complementary teeth, formed around the periphery of the opening 7, also extend perpendicular to the axial direction A of the opening.
  • the teeth 77 of the lever can be inclined relative to the axial direction A, forming a conical crown centered on this direction. The same applies to the teeth 79 of the complementary teeth formed in the opening 7 of the base 9.

Description

L'invention se rapporte à un dispositif de verrouillage d'une fixation à une planche des neiges, comprenant plus particulièrement un disque, dont une base est fixée sur la planche des neiges et logée dans une ouverture d'une embase de la fixation, et un levier articulé à la base du disque, pivotant d'une position de déblocage à une position de blocage, dans laquelle l'embase est bloquée dans toute position angulaire par rapport à une direction axiale de la base du disque, l'ouverture de l'embase étant pourvue d'un épaulement.The invention relates to a device for locking a binding to a snowboard, comprising more particularly a disc, a base of which is fixed to the snowboard and housed in an opening in a base of the binding, and a lever articulated at the base of the disc, pivoting from an unlocking position to a blocking position, in which the base is blocked in any angular position relative to an axial direction of the base of the disc, the opening of the the base being provided with a shoulder.

Un dispositif de ce type est divulgué par le document DE 197 00 291 . Le levier est un levier de serrage, agissant sur un disque de blocage, mobile en translation suivant la direction axiale le long de guides, pour chevaucher l'épaulement de l'embase au travers d'un disque intermédiaire, lié en rotation à l'embase et transmettre l'effort de serrage exercé par le levier sur ledit épaulement. De surcroît, le disque de blocage guidé en translation axiale est, dans toute position entre la position de blocage et la position de déblocage, en état de chevaucher l'épaulement du disque intermédiaire, sans possibilité de s'inscrire dans l'ouverture dudit disque, dans la position de déblocage.A device of this type is disclosed by the document DE 197 00 291 . The lever is a clamping lever, acting on a locking disk, movable in translation in the axial direction along guides, to overlap the shoulder of the base through an intermediate disk, linked in rotation to the base and transmit the clamping force exerted by the lever on said shoulder. In addition, the locking disk guided in axial translation is, in any position between the locking position and the unlocking position, able to overlap the shoulder of the intermediate disk, without the possibility of fitting into the opening of said disk. , in the unlocked position.

Le document EP 2 200 870 divulgue un dispositif de verrouillage d'un type analogue, sauf qu'aucun levier n'est articulé à la base du disque. Le blocage angulaire de la fixation et le serrage de la position de blocage sont obtenus par coulissement d'un élément de couplage par rapport à l'embase, pour venir en prise avec une épaulement d'un disque fixé à la planche des neiges.The document EP 2 200 870 discloses a locking device of a similar type, except that no lever is hinged to the base of the disc. The angular blocking of the binding and the tightening of the blocking position are obtained by sliding a coupling element relative to the base, to engage with a shoulder of a disc fixed to the snowboard.

Le document US 5 277 635 divulgue également un dispositif de verrouillage d'un type analogue, sauf que le levier est articulé à l'embase. Contrairement à l'invention revendiquée, le levier est un levier de serrage, exerçant un effort sur un lien souple serré autour d'un épaulement du disque fixé à la planche des neiges.The document US 5,277,635 also discloses a locking device of a similar type, except that the lever is articulated to the base. Unlike the claimed invention, the lever is a tightening lever, exerting a force on a flexible link tightened around a shoulder of the disc fixed to the snowboard.

Le document FR 2 829 034 , divulgue un dispositif de verrouillage d'un type différent, selon lequel, des moyens de blocage comprennent deux pênes, guidés en translation par rapport à la base du disque, de la position de déblocage à la position de blocage. Le chevauchement dans la position de blocage comprend une surface, inclinée par rapport à la direction axiale, formée à une extrémité de chaque pêne et destinée à coopérer par complémentarité, avec une surface inclinée formée sur le pourtour de l'ouverture de l'embase. Les pênes sont commandés en sens opposés par un pignon ou une came du moyen de serrage, pour transmettre l'effort de serrage sur l'embase par l'intermédiaire des surfaces inclinées complémentaires.The document FR 2 829 034 , discloses a locking device of a different type, according to which, blocking means comprise two bolts, guided in translation relative to the base of the disc, from the unlocking position to the blocking position. The overlap in the blocking position comprises a surface, inclined relative to the axial direction, formed at one end of each bolt and intended to cooperate by complementarity, with an inclined surface formed on the periphery of the opening of the base. The bolts are controlled in opposite directions by a pinion or a cam of the clamping means, to transmit the clamping force to the base via the complementary inclined surfaces.

Pour apporter un blocage supplémentaire de l'embase dans la position angulaire autour de la direction axiale, une denture cylindrique est formée sur la base du disque, les dents s'étendant suivant la direction axiale. Dans la position de déblocage des pênes, la base est insérée suivant la direction axiale dans une denture complémentaire, formée sur le pourtour de l'ouverture de l'embase.To provide additional locking of the base in the angular position around the axial direction, cylindrical teeth are formed on the base of the disc, the teeth extending in the axial direction. In the bolt unlocking position, the base is inserted in the axial direction in complementary teeth, formed around the perimeter of the opening of the base.

Le document FR 2 627 097 divulgue un dispositif d'un type différent du précédent en ce que, dans la position de blocage, les deux pênes bloquent l'embase en rotation autour d'une direction axiale du disque, par l'intermédiaire d'une denture formée à l'extrémité de chaque pêne, complémentaire d'une denture cylindrique de l'ouverture. Dans la position de déblocage, les pênes permettent de débloquer la fixation, pour la faire tourner autour de la direction axiale, dans une nouvelle position angulaire. Les pênes sont commandés en translation en sens opposés, par un levier du moyen de serrage, articulé à l'un des pênes.The document FR 2 627 097 discloses a device of a type different from the previous one in that, in the blocking position, the two bolts block the base in rotation around an axial direction of the disc, via teeth formed in the end of each bolt, complementary to a cylindrical toothing of the opening. In the unlocking position, the bolts allow the fixing to be unlocked, to rotate it around the axial direction, in a new angular position. The bolts are controlled in translation in opposite directions, by a lever of the clamping means, articulated to one of the bolts.

Pour retirer la fixation selon ce dernier document, il est nécessaire de dévisser le disque de la planche des neiges. Au contraire, selon le premier document, la suppression du chevauchement dans la position de déblocage permet de retirer la fixation sans dévisser le disque. Cependant, des surfaces inclinées complémentaires sont à prévoir entre l'ouverture de l'embase et les moyens de blocage.To remove the binding according to this last document, it is necessary to unscrew the disc from the snowboard. On the contrary, according to the first document, removing the overlap in the unlocking position makes it possible to remove the fixing without unscrewing the disc. However, additional inclined surfaces must be provided between the opening of the base and the blocking means.

Le but de l'invention est d'apporter une alternative à un dispositif de verrouillage connu du document DE 197 00 291 .The aim of the invention is to provide an alternative to a locking device known from the document DE 197 00 291 .

A cet effet, l'invention a pour objet un dispositif de verrouillage d'une fixation à une planche des neiges, comprenant un disque, dont une base est fixée sur la planche des neiges et logée dans une ouverture d'une embase de la fixation et un levier, articulé à la base, pivotant d'une position de déblocage à une position de blocage, dans laquelle l'embase est bloquée dans toute position angulaire par rapport à une direction axiale de la base du disque, l'ouverture de l'embase étant pourvue d'un épaulement, caractérisé en ce que le levier est un levier de blocage, chevauchant l'épaulement de l'ouverture de l'embase dans la position de blocage et transmettant un effort de serrage sur ledit épaulement, exercé par un moyen de serrage, le levier s'inscrivant dans l'ouverture de l'embase dans la position de déblocage.To this end, the subject of the invention is a device for locking a binding to a snowboard, comprising a disc, a base of which is fixed to the snowboard and housed in an opening in a base of the binding. and a lever, articulated at the base, pivoting from an unlocking position to a blocking position, in which the base is blocked in any angular position relative to an axial direction of the base of the disc, the opening of the the base being provided with a shoulder, characterized in that the lever is a locking lever, overlapping the shoulder of the opening of the base in the locking position and transmitting a tightening force on said shoulder, exerted by a clamping means, the lever fitting into the opening of the base in the unlocking position.

Dans la position de blocage, le levier bloque tout déplacement axial de l'embase et transmet l'effort de serrage à la manière d'une mâchoire en mordant sur l'ouverture, tandis que dans la position de déblocage, il permet de débloquer la fixation pour la retirer de la planche des neiges, en passant le levier à travers l'ouverture de l'embase. Dans cette position, le levier permet également de modifier la position angulaire de l'embase par rapport à la planche des neiges.In the blocking position, the lever blocks any axial movement of the base and transmits the clamping force like a jaw by biting on the opening, while in the unlocking position, it allows the unlocking of the attachment to remove it from the snowboard, by passing the lever through the opening in the base. In this position, the lever also allows you to modify the angular position of the base relative to the snowboard.

Il en résulte un dispositif de verrouillage efficace et fiable, permettant un montage et un démontage rapide de la fixation sur la planche des neiges et qui ne nécessite pas de prévoir des surfaces inclinées complémentaires entre l'ouverture de l'embase et les moyens de blocage.The result is an effective and reliable locking device, allowing rapid assembly and disassembly of the binding on the snowboard and which does not require the provision of additional inclined surfaces between the opening of the base and the locking means. .

Avantageusement, le levier pivotant porte une denture dont les dents s'étendent suivant un rayon de courbure du levier. Dans la position de blocage, le levier peut reproduire ainsi la denture d'un disque de fixation amovible ordinaire, pour laquelle les dents font saillie dans un plan perpendiculaire à la direction axiale du disque, de sorte que le dispositif est adapté à toute fixation standard, pour laquelle la denture complémentaire, formée sur le pourtour de l'ouverture, s'étend également de façon perpendiculaire à la direction axiale de l'ouverture. A noter que les dents du levier peuvent être inclinées par rapport à la direction axiale du disque, en formant une couronne conique centrée sur la direction axiale. Il en va de même de la denture complémentaire formée dans l'ouverture de l'embase.Advantageously, the pivoting lever carries teeth whose teeth extend along a radius of curvature of the lever. In the locking position, the lever can thus reproduce the teeth of an ordinary removable fixation disc, for which the teeth protrude in a plane perpendicular to the axial direction of the disc, so that the device is suitable for any standard fixation , for which the complementary teeth, formed around the periphery of the opening, also extend perpendicular to the axial direction of the opening. Note that the teeth of the lever can be inclined relative to the axial direction of the disc, forming a conical crown centered on the axial direction. The same applies to the complementary teeth formed in the opening of the base.

Les moyens de blocage peuvent comprendre un deuxième levier, les deux leviers pivotant de la position de déblocage à la position de blocage, autour de deux axes de pivotement portés par la base du disque et parallèles entre eux. Les moyens de blocage peuvent également comprendre un deuxième et un troisième levier, les trois leviers pivotant de la position de déblocage à la position de blocage, autour de trois axes de pivotement portés par la base du disque, perpendiculairement à trois plans sécants, faisant entre eux un angle de préférence égal à 120°.The blocking means may comprise a second lever, the two levers pivoting from the unlocking position to the blocking position, around two pivot axes carried by the base of the disc and parallel to each other. The blocking means can also comprise a second and a third lever, the three levers pivoting from the unlocking position to the blocking position, around three pivot axes carried by the base of the disc, perpendicular to three intersecting planes, forming between them an angle preferably equal to 120°.

Le moyen de serrage peut comprendre un levier, articulé à la base du disque, autour d'un axe de pivotement, engagé dans des rainures formées dans la base, pour coulisser par rapport à la base et exercer, dans la position de blocage, l'effort de serrage par l'intermédiaire de l'axe de pivotement en prise avec un talon du levier. Le moyen de serrage peut également comprendre deux pênes, commandés en translation par rapport à la base par une came, mobile en rotation autour de la direction axiale, pour exercer, dans la position de blocage, l'effort de serrage par l'intermédiaire d'un talon de chacun des deux leviers, en prise avec les deux pênes. Le moyen de serrage peut encore comprendre une bague de serrage, mobile en rotation autour de la direction axiale, pour exercer, dans la position de blocage, l'effort de serrage par l'intermédiaire d'une portée en prise avec une portée complémentaire de l'un et de l'autre levier, les deux portées formant un pas de vis hélicoïdal.The clamping means may comprise a lever, articulated at the base of the disc, around a pivot axis, engaged in grooves formed in the base, to slide relative to the base and exert, in the blocking position, the tightening force via the pivot axis engaged with a heel of the lever. The clamping means can also comprise two bolts, controlled in translation relative to the base by a cam, movable in rotation around the axial direction, to exert, in the blocking position, the clamping force via 'a heel of each of the two levers, engaged with the two bolts. The clamping means may also comprise a clamping ring, movable in rotation around the axial direction, to exert, in the blocking position, the clamping force via a surface engaged with a complementary surface of one and the other lever, the two bearings forming a helical screw thread.

Le moyen de serrage peut encore comprendre une bague de serrage, mobile en rotation autour de la direction axiale, pour exercer, dans la position de blocage, l'effort de serrage par l'intermédiaire d'un bras radial ou d'une encoche tangentielle en prise avec un ergot du levier.The clamping means may also comprise a clamping ring, movable in rotation around the axial direction, to exert, in the blocking position, the clamping force via a radial arm or a tangential notch engaged with a pin on the lever.

Avantageusement, le talon du levier, ou le bras radial ou l'encoche tangentielle de la bague de serrage présente une inclinaison par rapport à la direction axiale.Advantageously, the heel of the lever, or the radial arm or the tangential notch of the clamping ring has an inclination relative to the axial direction.

D'autres avantages de l'invention sont exposés ci-après par la description de différents modes de réalisation illustrés par les dessins.

  • [Fig.1] est une vue d'un premier mode de réalisation de l'invention, dans une position de déblocage d'un levier pivotant.
  • [Fig. 2] est une vue du premier mode de réalisation de l'invention, dans une position de blocage d'un levier pivotant.
  • [Fig. 3] est une vue d'une variante du premier mode de réalisation de l'invention, dans la position de déblocage du levier pivotant.
  • [Fig. 4] est une vue de la variante du premier mode de réalisation de l'invention, dans la position de blocage du levier pivotant.
  • [Fig. 5] est une vue en coupe de la variante du premier mode de réalisation de l'invention, dans la position de blocage du levier pivotant.
  • [Fig. 6] est une vue en éclaté d'un deuxième mode de réalisation de l'invention, dans une position de blocage de deux leviers pivotants.
  • [Fig. 7] est une vue en coupe du deuxième mode de réalisation de l'invention, dans la position de blocage des deux leviers pivotants.
  • [Fig. 8] est une vue en perspective d'une première variante du deuxième mode de réalisation de l'invention, les deux leviers pivotants étant dans la position de déblocage.
  • [Fig. 9] est une vue de dessus de la première variante du deuxième mode de réalisation de l'invention, les deux leviers pivotants étant dans la position de blocage.
  • [Fig. 10] est une vue en coupe de la première variante du deuxième mode de réalisation, les deux leviers pivotants étant dans la position de déblocage.
  • [Fig. 11] est une vue en coupe de la première variante du deuxième mode de réalisation, les deux leviers pivotants étant dans la position de blocage.
  • [Fig. 12] est une vue de côté de la première variante du deuxième mode de réalisation de l'invention, les deux leviers pivotants étant dans la position de déblocage.
  • [Fig. 13] est une vue de dessus d'une deuxième variante du deuxième mode de réalisation de l'invention, les deux leviers pivotants étant dans la position de blocage, avant serrage.
  • [Fig. 14] est une vue de dessus de la deuxième variante du deuxième mode de réalisation de l'invention, les deux leviers pivotants étant dans la position de blocage, après serrage.
  • [Fig. 15] est une vue en coupe de la deuxième variante du deuxième mode de réalisation de l'invention, les deux leviers pivotants étant dans la position de blocage, après serrage.
  • [Fig. 16] est une vue de dessus d'un troisième mode de réalisation de l'invention, trois leviers pivotants étant dans une position de déblocage.
  • [Fig. 17] est une vue en perspective du troisième mode de réalisation de l'invention, les trois leviers pivotant étant dans une position de blocage.
  • [Fig. 18] est une vue en coupe du troisième mode de réalisation de l'invention, les trois leviers étant dans la position de blocage.
  • [Fig. 19] est une vue en perspective d'une variante du troisième mode de réalisation de l'invention, les trois leviers étant dans la position de blocage.
  • [Fig. 20] est une vue en perspective de la variante du troisième mode de réalisation de l'invention, les trois leviers pivotant étant dans une position de déblocage.
  • [Fig. 21] est une vue en coupe de la variante du troisième mode de réalisation de l'invention, les trois leviers étant dans la position de blocage.
Other advantages of the invention are explained below by the description of different embodiments illustrated in the drawings.
  • [ Fig.1 ] is a view of a first embodiment of the invention, in an unlocking position of a pivoting lever.
  • [ Fig. 2 ] is a view of the first embodiment of the invention, in a locking position of a pivoting lever.
  • [ Fig. 3 ] is a view of a variant of the first embodiment of the invention, in the unlocking position of the pivoting lever.
  • [ Fig. 4 ] is a view of the variant of the first embodiment of the invention, in the locking position of the pivoting lever.
  • [ Fig. 5 ] is a sectional view of the variant of the first embodiment of the invention, in the locking position of the pivoting lever.
  • [ Fig. 6 ] is an exploded view of a second embodiment of the invention, in a locking position of two pivoting levers.
  • [ Fig. 7 ] is a sectional view of the second embodiment of the invention, in the locking position of the two pivoting levers.
  • [ Fig. 8 ] is a perspective view of a first variant of the second embodiment of the invention, the two pivoting levers being in the unlocking position.
  • [ Fig. 9 ] is a top view of the first variant of the second embodiment of the invention, the two pivoting levers being in the locking position.
  • [ Fig. 10 ] is a sectional view of the first variant of the second embodiment, the two pivoting levers being in the unlocking position.
  • [ Fig. 11 ] is a sectional view of the first variant of the second embodiment, the two pivoting levers being in the locking position.
  • [ Fig. 12 ] is a side view of the first variant of the second embodiment of the invention, the two pivoting levers being in the unlocking position.
  • [ Fig. 13 ] is a top view of a second variant of the second embodiment of the invention, the two pivoting levers being in the locking position, before tightening.
  • [ Fig. 14 ] is a top view of the second variant of the second embodiment of the invention, the two pivoting levers being in the locking position, after tightening.
  • [ Fig. 15 ] is a sectional view of the second variant of the second embodiment of the invention, the two pivoting levers being in the locking position, after tightening.
  • [ Fig. 16 ] is a top view of a third embodiment of the invention, three pivoting levers being in an unlocking position.
  • [ Fig. 17 ] is a perspective view of the third embodiment of the invention, the three pivoting levers being in a locking position.
  • [ Fig. 18 ] is a sectional view of the third embodiment of the invention, the three levers being in the locking position.
  • [ Fig. 19 ] is a perspective view of a variant of the third embodiment of the invention, the three levers being in the locking position.
  • [ Fig. 20 ] is a perspective view of the variant of the third embodiment of the invention, the three pivoting levers being in an unlocking position.
  • [ Fig. 21 ] is a sectional view of the variant of the third embodiment of the invention, the three levers being in the locking position.

L'invention est décrite à l'aide des différents modes de réalisation mentionnés ci-dessus. Un élément commun à ces modes est désigné par la même référence.The invention is described using the different embodiments mentioned above. An element common to these modes is designated by the same reference.

Selon un premier mode de réalisation de l'invention, illustré par les figures 1 à 2, un dispositif de verrouillage d'une fixation à une planche des neiges, comprend un disque 1, dont une base 3 est fixée sur la planche des neiges 5 et logée dans une ouverture 7 d'une embase 9 de la fixation.According to a first embodiment of the invention, illustrated by the figures 1 to 2 , a device for locking a binding to a snowboard, comprises a disc 1, a base 3 of which is fixed on the snowboard 5 and housed in an opening 7 of a base 9 of the binding.

Un levier 11 est articulé à la base 3 du disque 1, pour pivoter d'une position de déblocage, Fig. 1, dans laquelle le levier 11 s'inscrit dans l'ouverture 7 de l'embase 9, à une position de blocage, Fig. 2, dans laquelle le levier 11 chevauche l'ouverture 7 et est commandé en rotation par une vis de serrage 13, pour transmettre un effort de serrage sur l'embase 9, dans toute position angulaire de l'embase 9 par rapport à la direction axiale A du disque 1.A lever 11 is articulated at the base 3 of the disc 1, to pivot from an unlocking position, Fig. 1 , in which the lever 11 fits into the opening 7 of the base 9, in a blocking position, Fig. 2 , in which the lever 11 overlaps the opening 7 and is controlled in rotation by a clamping screw 13, to transmit a clamping force on the base 9, in any angular position of the base 9 relative to the axial direction A from disc 1.

La base 3 du disque 1 est fixée à la planche des neiges 5 par des vis 15. Le levier 11 pivote autour d'un axe de rotation R1 porté par la base 3 du disque 1, dans un plan perpendiculaire à la direction axiale A. Le chevauchement dans la position de blocage est assuré par un épaulement 17, formé sur un pourtour circulaire 19 du levier 11 et coopérant par complémentarité, avec un épaulement 21, formé sur le pourtour circulaire de l'ouverture 7 de l'embase 9. Le pourtour circulaire 19 du levier 11 est tronqué suivant des troncatures 23 pour s'inscrire dans l'ouverture 7 dans la position de déblocage. Le levier 11 comprend un logement 14 pour recevoir la base 3 du disque 1 dans la position de blocage.The base 3 of the disc 1 is fixed to the snowboard 5 by screws 15. The lever 11 pivots around an axis of rotation R1 carried by the base 3 of the disc 1, in a plane perpendicular to the axial direction A. The overlap in the blocking position is ensured by a shoulder 17, formed on a circular periphery 19 of the lever 11 and cooperating by complementarity, with a shoulder 21, formed on the circular periphery of the opening 7 of the base 9. The circular periphery 19 of the lever 11 is truncated according to truncations 23 to fit into the opening 7 in the unlocking position. The lever 11 includes a housing 14 for receiving the base 3 of the disc 1 in the locking position.

Dans cette dernière position, le levier 11 bloque l'embase 9 suivant la direction axiale A du disque 1 et transmet l'effort de serrage à la manière d'une mâchoire, en mordant sur l'ouverture 7, tandis que dans la position de déblocage, il permet de débloquer la fixation pour la retirer de la planche des neiges 5, en passant le levier 11 à travers l'ouverture 7 de l'embase 9.In this last position, the lever 11 blocks the base 9 in the axial direction A of the disc 1 and transmits the clamping force in the manner of a jaw, by biting on the opening 7, while in the position of unlocking, it allows you to unlock the binding to remove it from the snowboard 5, by passing the lever 11 through the opening 7 of the base 9.

Dans cette réalisation, l'effort de serrage peut être transmis par l'intermédiaire d'un joint élastomère 25 disposé sur l'un des deux épaulements 17, 21 qui se chevauchent dans la position de blocage. A la place du joint élastomère 25, on peut pourvoir les épaulements 17, 21 d'un relief rugueux.In this embodiment, the tightening force can be transmitted via an elastomer seal 25 placed on one of the two shoulders 17, 21 which is overlap in the locking position. In place of the elastomeric seal 25, the shoulders 17, 21 can be provided with a rough relief.

Les figures 3 à 5 illustrent une variante du premier mode de réalisation de l'invention, qui se distingue par le moyen de serrage. Ce dernier comprend un levier de manoeuvre 27, articulé à la base 3 du disque 1 par un axe de pivotement 29. Le levier de manoeuvre 27 forme une genouillère avec un levier suiveur 33 auquel il est articulé par un axe d'articulation 35, le levier suiveur 33 étant lui - même articulé à la base 3 du disque 1, autour d'un axe de pivotement 31, engagé dans des rainures 37 formées dans la base 3, pour coulisser suivant une direction D perpendiculaire à l'axe de rotation R1 du levier 11 des moyens de blocage. Dans la position de déblocage, Fig. 4, la genouillère est ouverte, le levier de manoeuvre 27 et le levier suiveur 33 étant relevés par rapport à la base 3 du disque 1. Le logement 14 du levier 11 prévu pour recevoir la base 3 du disque 1 dans la position de blocage, est ici ouvert pour permettre au levier de pivoter dans cette position, sans exercer d'effort sur le levier de manoeuvre 27 et le levier suiveur 33, dans leur position relevée.THE figures 3 to 5 illustrate a variant of the first embodiment of the invention, which is distinguished by the clamping means. The latter comprises an operating lever 27, articulated to the base 3 of the disc 1 by a pivot axis 29. The operating lever 27 forms a toggle with a follower lever 33 to which it is articulated by a hinge pin 35, the follower lever 33 being itself articulated to the base 3 of the disc 1, around a pivot axis 31, engaged in grooves 37 formed in the base 3, to slide in a direction D perpendicular to the axis of rotation R1 of the lever 11 of the blocking means. In the unlocked position, Fig. 4 , the toggle lever is open, the operating lever 27 and the follower lever 33 being raised relative to the base 3 of the disc 1. The housing 14 of the lever 11 provided to receive the base 3 of the disc 1 in the blocking position, is here open to allow the lever to pivot in this position, without exerting force on the operating lever 27 and the follower lever 33, in their raised position.

Une fois que le levier 11 est dans la position de blocage, Fig. 4 et Fig. 5, le levier de manoeuvre 27 est abaissé dans un logement 28 de la base 3 du disque 1, par coulissement de l'axe de pivotement 31 dans les rainures 37. Au cours du coulissement, l'axe de pivotement 31 vient en prise avec un talon 39 du levier 11 pour le commander en rotation autour de l'axe R1, de préférence, à proportion d'une pente 41 formée sur le talon 39. La pente 41 permet au levier 11 de transmettre l'effort de serrage de façon plus progressive, au fur et à mesure que le levier de manoeuvre 27 est abaissé dans la position de fermeture de la genouillère. En fin de coulissement, l'effort de serrage passe par un maximum au moment où l'axe d'articulation 35 traverse le plan passant par l'axe de pivotement 31, engagé dans les rainures 37, et l'axe de pivotement 29, pour verrouiller la genouillère dans la position d'ouverture.Once lever 11 is in the locking position, Fig. 4 And Fig. 5 , the operating lever 27 is lowered into a housing 28 of the base 3 of the disc 1, by sliding the pivot axis 31 in the grooves 37. During sliding, the pivot axis 31 comes into engagement with a heel 39 of the lever 11 to control it in rotation around the axis R1, preferably, in proportion to a slope 41 formed on the heel 39. The slope 41 allows the lever 11 to transmit the tightening force in a more progressively, as the operating lever 27 is lowered into the closing position of the toggle lever. At the end of sliding, the tightening force reaches a maximum at the moment when the articulation axis 35 crosses the plane passing through the pivot axis 31, engaged in the grooves 37, and the pivot axis 29, to lock the knee lever in the open position.

Les figures 6 et 7 illustrent un deuxième mode de réalisation de l'invention, selon lequel les moyens de blocage comprennent un deuxième levier 10, analogue au premier levier 11 décrit précédemment. Les deux leviers 10, 11 pivotent en sens opposés, de la position de déblocage à la position de blocage, autour de deux axes de pivotement R0, R1 portés par la base 3 du disque 1 et parallèles entre eux, dans un plan perpendiculaire à la direction axiale A. Pour garantir un pivotement conjoint des deux leviers 10, 11, ces derniers sont pourvus de dentures 43 formant un engrenage. Le logement 14 de chaque levier 10, 11, prévu pour recevoir la base 3 du disque 1 dans la position de blocage, est ici ouvert pour loger le moyen de serrage.THE figures 6 And 7 illustrate a second embodiment of the invention, according to which the blocking means comprise a second lever 10, similar to the first lever 11 described previously. The two levers 10, 11 pivot in opposite directions, from the unlocking position to the blocking position, around two pivot axes R0, R1 carried by the base 3 of the disc 1 and parallel to each other, in a plane perpendicular to the axial direction A. To guarantee joint pivoting of the two levers 10, 11, the latter are provided with teeth 43 forming a gear. The housing 14 of each lever 10, 11, designed to receive the base 3 of the disc 1 in the locking position, is here open to accommodate the clamping means.

Ce dernier comprend une bague de serrage 45, mobile en rotation autour de la direction axiale A de la base 3 du disque 1. La bague de serrage 45 est pincée sur la base 3 du disque 1 par l'intermédiaire d'une lèvre 47 opposée à un épaulement 49. Les premier et deuxième leviers 10, 11 sont en prise par un pas de vis hélicoïdal, comprenant une portée 51 formée dans la bague 45 de serrage et une portée complémentaire 52, formée dans l'un et l'autre levier 10, 11, dans une paroi de leur logement 14, en opposition au pourtour circulaire 19 de chaque levier.The latter comprises a clamping ring 45, movable in rotation around the axial direction A of the base 3 of the disc 1. The clamping ring 45 is pinched on the base 3 of the disc 1 via a lip 47 opposite a shoulder 49. The first and second levers 10, 11 are engaged by a helical screw thread, comprising a surface 51 formed in the ring 45 of clamping and a complementary surface 52, formed in one and the other lever 10, 11, in a wall of their housing 14, in opposition to the circular periphery 19 of each lever.

Dans la position de déblocage, les portées complémentaires 51, 52 sont désengagées l'un par rapport à l'autre. Une fois que les leviers 10, 11 sont dans la position de blocage, Fig. 7, la bague de serrage 45 est tournée autour de la direction axiale A, pour engager les portées 51, 52 suivant le pas de vis hélicoïdal. Au cours de cette rotation, la bague de serrage 45 commande les leviers 10, 11 en rotation autour de leur axe de pivotement R0, R1 pour qu'ils transmettent l'effort de serrage sur l'ouverture 7 de l'embase 9 par l'intermédiaire du chevauchement des épaulements 17, 21. A noter une rondelle, 53 disposée entre la lèvre 47 et la base 3 du disque 1 pour faciliter la rotation de la bague de serrage 45.In the unlocked position, the complementary bearings 51, 52 are disengaged from each other. Once the levers 10, 11 are in the locking position, Fig. 7 , the clamping ring 45 is rotated around the axial direction A, to engage the bearing surfaces 51, 52 following the helical screw thread. During this rotation, the clamping ring 45 controls the levers 10, 11 in rotation around their pivot axis R0, R1 so that they transmit the clamping force to the opening 7 of the base 9 through the intermediate the overlap of the shoulders 17, 21. Note a washer 53 placed between the lip 47 and the base 3 of the disc 1 to facilitate the rotation of the clamping ring 45.

Ce deuxième mode de réalisation à deux leviers, offre une aire de chevauchement plus importante que celle du premier mode et une répartition symétrique de l'effort de serrage, sur le pourtour de l'ouverture de l'embase.This second embodiment with two levers offers a larger overlapping area than that of the first mode and a symmetrical distribution of the clamping force, around the perimeter of the opening of the base.

Les figures 8 à 12 illustrent une première variante du deuxième mode de réalisation de l'invention, qui se distingue par un autre moyen de serrage. Il s'agit à nouveau d'une genouillère comparable à celle décrite précédemment, mais adaptée aux deux leviers 10, 11. Ainsi, le levier de manoeuvre 27 est également articulé à la base 3 du disque 1, par un axe de pivotement 29 engagé dans des rainures 37 formées dans la base 3, pour coulisser, en sens opposé au coulissement du levier suiveur 33, suivant la direction D perpendiculaire aux axes de pivotements R0, R1 des levier 10, 11. Dans la position de déblocage, Fig. 8 et 10, la genouillère est ouverte, le levier de manoeuvre 27 et le levier suiveur 33 étant relevés par rapport à la base 3 du disque 1. Le logement 14 de chaque levier 10, 11, prévu pour recevoir la base 3 du disque 1 dans la position de blocage, est ici ouvert pour permettre aux leviers de pivoter dans cette position, sans exercer d'effort sur le levier de manoeuvre 27 et le levier suiveur 33, dans leur position relevée. A noter, des cales de centrage 4 de la base 3 du disque 1 dans l'ouverture 7 de l'embase 9. A noter également, des pattes à déformation élastique 42 pour maintenir le levier de manoeuvre 27 et le levier suiveur 33, dans leur position relevée.THE figures 8 to 12 illustrate a first variant of the second embodiment of the invention, which is distinguished by another clamping means. This is again a toggle lever comparable to that described previously, but adapted to the two levers 10, 11. Thus, the operating lever 27 is also articulated to the base 3 of the disc 1, by a pivot axis 29 engaged in grooves 37 formed in the base 3, to slide, in the direction opposite to the sliding of the follower lever 33, in the direction D perpendicular to the pivot axes R0, R1 of the levers 10, 11. In the unlocking position, Fig. 8 And 10 , the toggle lever is open, the operating lever 27 and the follower lever 33 being raised relative to the base 3 of the disc 1. The housing 14 of each lever 10, 11, designed to receive the base 3 of the disc 1 in the position blocking, is here open to allow the levers to pivot in this position, without exerting effort on the operating lever 27 and the follower lever 33, in their raised position. Note, centering wedges 4 of the base 3 of the disc 1 in the opening 7 of the base 9. Also note, elastically deformed tabs 42 to hold the operating lever 27 and the follower lever 33, in their position raised.

Une fois que les leviers 10, 11 sont dans la position de blocage, le levier de manoeuvre 27 et le levier suiveur 33 sont abaissés dans le logement 28 de la base 3 du disque 1, par coulissement en sens opposés de leur axe de pivotement 30, 31 dans les rainures 37. Au cours du coulissement de ces deux leviers 27, 33, leur axe de pivotement 30, 31 vient en prise avec un talon 39 de chaque levier 10, 11 de blocage, pour les commander en rotation autour de leur axe de pivotement R0, R1 de préférence, à proportion d'une pente 41 formée sur le talon 39. La pente 41 permet aux leviers 10, 11 de transmettre l'effort de serrage de façon plus progressive, au fur et à mesure que le levier de manoeuvre 27 est abaissé dans la position de fermeture de la genouillère. En fin de coulissement, l'effort de serrage passe par un maximum au moment où l'axe d'articulation 35, entre le levier de manoeuvre 27 et le levier suiveur 33, traverse le plan passant par leurs axes de pivotement 30, 31 engagés dans les rainures 37, pour verrouiller la genouillère dans la position d'ouverture.Once the levers 10, 11 are in the locking position, the operating lever 27 and the follower lever 33 are lowered into the housing 28 of the base 3 of the disc 1, by sliding in opposite directions of their pivot axis 30 , 31 in the grooves 37. During the sliding of these two levers 27, 33, their pivot axis 30, 31 comes into engagement with a heel 39 of each lever 10, 11 blocking, to control them in rotation around their pivot axis R0, R1 preferably, in proportion to a slope 41 formed on the heel 39. The slope 41 allows the levers 10, 11 to transmit the tightening force in a more progressive manner, as the operating lever 27 is lowered into the closing position of the toggle lever. At the end of sliding, the tightening force passes through a maximum at the moment when the articulation axis 35, between the operating lever 27 and the follower lever 33, crosses the plane passing through their pivot axes 30, 31 engaged in the grooves 37, to lock the knee lever in the open position.

Les figures 13 à 15 illustrent une deuxième variante du deuxième mode de réalisation de l'invention, qui se distingue par un autre moyen de serrage. Il s'agit ici de deux pênes 22, 24 coulissant par rapport à base 3 du disque 1, suivant la direction D et guidés en translation par des tiges 26 fixées à la base 3 et logées dans deux lumières 32 des pênes. Ces derniers sont commandés, contre un moyen de rappel élastique (non représenté) par une came 34, retenue par une vis 36 à la base 3 du disque 1 et mobile en rotation autour de la direction axiale A. Dans la position de déblocage des leviers 10, 11, les deux pênes sont dans une position d'ouverture, distants l'un de l'autre d'une largeur de la came 34, pour permettre le pivotement des leviers dans la position de blocage. Une fois dans cette position, la came est tournée autour de la direction axiale A pour faire coulisser les deux pênes 22, 24 en deux sens opposés, dans une position de fermeture, distants d'une longueur de la came 34, supérieure à la largeur.THE figures 13 to 15 illustrate a second variant of the second embodiment of the invention, which is distinguished by another clamping means. These are two bolts 22, 24 sliding relative to base 3 of disc 1, in direction D and guided in translation by rods 26 fixed to base 3 and housed in two slots 32 of the bolts. The latter are controlled, against an elastic return means (not shown) by a cam 34, retained by a screw 36 at the base 3 of the disc 1 and movable in rotation around the axial direction A. In the unlocking position of the levers 10, 11, the two bolts are in an open position, spaced from each other by a width of the cam 34, to allow the levers to pivot into the blocking position. Once in this position, the cam is turned around the axial direction A to slide the two bolts 22, 24 in two opposite directions, in a closed position, separated by a length of the cam 34, greater than the width .

Au cours du coulissement des deux pênes 22, 24, leurs extrémités opposées suivant la direction D viennent en prise avec le talon 39 de chaque levier 10, 11 de blocage, pour les commander en rotation autour de leur axe de pivotement R0, R1 de préférence, à proportion d'une pente 41 formée sur le talon 39. La pente 41 permet là encore, aux leviers 10, 11 de transmettre l'effort de serrage de façon plus progressive, au fur et à mesure que les deux pênes sont commandés par la came 34 dans la position de fermeture.During the sliding of the two bolts 22, 24, their opposite ends in direction D come into engagement with the heel 39 of each locking lever 10, 11, to control them in rotation around their pivot axis R0, R1 preferably , in proportion to a slope 41 formed on the heel 39. The slope 41 again allows the levers 10, 11 to transmit the tightening force in a more progressive manner, as the two bolts are controlled by the cam 34 in the closed position.

Les figures 16 à 18 illustrent un troisième mode de réalisation de l'invention, selon lequel les moyens de blocage comprennent un troisième levier 12, analogue aux leviers 10, 11 décrits précédemment. Les trois leviers 10, 11, 12 pivotent, de la position de déblocage à la position de blocage, autour de trois axes de pivotement R0, R1, R2 portés par la base 3 du disque 1, dans un plan perpendiculaire à la direction axiale A et perpendiculairement à trois plans sécants, faisant entre eux un angle de préférence égal à 120°. Un logement 16 de la base 3 du disque 1 est prévu pour recevoir chaque levier 10, 11, 12 dans la position de blocage.THE figures 16 to 18 illustrate a third embodiment of the invention, according to which the blocking means comprise a third lever 12, similar to the levers 10, 11 described previously. The three levers 10, 11, 12 pivot, from the unlocking position to the blocking position, around three pivot axes R0, R1, R2 carried by the base 3 of the disc 1, in a plane perpendicular to the axial direction A and perpendicular to three intersecting planes, making between them an angle preferably equal to 120°. A housing 16 of the base 3 of the disc 1 is provided to receive each lever 10, 11, 12 in the locking position.

Le moyen de serrage comprend une bague de serrage 55, mobile en rotation autour de la direction axiale A de la base 3 du disque 1. La bague de serrage 55 est pincée sur la base 3 du disque 1 par l'intermédiaire d'un rivet 57. Elle comprend trois bras radiaux 61 qui chacun possèdent un bord incliné 63 par rapport à la direction axiale A. Dans la position de déblocage, la bague de serrage 55 est dans une position pour laquelle les trois bras 61 s'étendent entre les logements 16 de la base 3 du disque 1 pour permettre le pivotement des trois leviers 10, 11, 12 dans la position de blocage.The clamping means comprises a clamping ring 55, movable in rotation around the axial direction A of the base 3 of the disc 1. The clamping ring 55 is clamped on the base 3 of the disc 1 via a rivet 57. It comprises three radial arms 61 which each have an inclined edge 63 relative to the axial direction A. In the unlocking position, the clamping ring 55 is in a position for which the three arms 61 extend between the housings 16 of the base 3 of the disc 1 to allow the pivoting of the three levers 10, 11, 12 in the blocking position.

Une fois que les leviers 10, 11, 12 sont dans cette position, la bague de serrage 55 est tournée autour de la direction axiale A pour serrer les trois leviers à l'aide des trois bras radiaux 61. Le bord incliné 63 de chaque bras 61 permet de transmettre l'effort de serrage de façon plus progressive, au fur et à mesure de la rotation de la bague autour de la direction axiale A. Ainsi, la bague de serrage 55 commande les leviers 10, 11, 12 en rotation autour de leur axe de pivotement R0, R1, R2 pour qu'ils transmettent l'effort de serrage sur l'ouverture 7 de l'embase 9 par l'intermédiaire du chevauchement des épaulements 17, 21.Once the levers 10, 11, 12 are in this position, the clamping ring 55 is rotated around the axial direction A to tighten the three levers using the three radial arms 61. The inclined edge 63 of each arm 61 makes it possible to transmit the tightening force in a more progressive manner, as the ring rotates around the axial direction A. Thus, the tightening ring 55 controls the levers 10, 11, 12 in rotation around of their pivot axis R0, R1, R2 so that they transmit the clamping force to the opening 7 of the base 9 via the overlap of the shoulders 17, 21.

Ce troisième mode de réalisation à trois leviers, offre une répartition de l'effort de serrage, sur trois secteurs du pourtour de l'ouverture de l'embase, de préférence à 120° les uns des autres.This third embodiment with three levers offers a distribution of the tightening force over three sectors around the opening of the base, preferably at 120° from each other.

Les figures 19 à 21 illustrent une variante du troisième mode de réalisation de l'invention, qui se distingue par le moyen de serrage. Ce dernier comprend une bague de serrage 65, mobile en rotation autour de la direction axiale A de la base 3 du disque 1, avec laquelle chacun des trois leviers 10, 11, 12, dans la position de blocage, est en prise par l'intermédiaire d'un ergot 67 engagé dans une des trois encoches tangentielles 69 de la bague de serrage 65. La bague de serrage 65 est logée dans un épaulement 71 de la base 3 du disque 1 et chacune des trois encoches tangentielles 69 possède une pente 73 par rapport à la direction axiale A. Dans la position de déblocage, la bague de serrage 65 est dans une position pour laquelle les trois encoches tangentielles 69 présentent une ouverture 75, disposée dans le plan sécant perpendiculaire à l'axe de pivotement R0, R1, R2 et passant par l'ergot 67 fixé aux trois leviers 10, 11, 12, pour permettre leur pivotement dans la position de blocage.THE figures 19 to 21 illustrate a variant of the third embodiment of the invention, which is distinguished by the clamping means. The latter comprises a clamping ring 65, movable in rotation around the axial direction A of the base 3 of the disc 1, with which each of the three levers 10, 11, 12, in the blocking position, is engaged by the intermediate of a lug 67 engaged in one of the three tangential notches 69 of the clamping ring 65. The clamping ring 65 is housed in a shoulder 71 of the base 3 of the disc 1 and each of the three tangential notches 69 has a slope 73 relative to the axial direction A. In the unlocking position, the clamping ring 65 is in a position for which the three tangential notches 69 have an opening 75, arranged in the secant plane perpendicular to the pivot axis R0, R1 , R2 and passing through the lug 67 fixed to the three levers 10, 11, 12, to allow them to pivot into the locking position.

Une fois que les leviers 10, 11, 12 sont dans cette position, la bague de serrage 65 est tournée autour de la direction axiale A pour serrer les trois leviers par l'intermédiaire de l'ergot 67 en prise avec les trois encoches tangentielles 69. La pente 73 permet de transmettre l'effort de serrage de façon plus progressive, au fur et à mesure de la rotation de la bague de serrage 65 autour de la direction axiale A. Ainsi, la bague de serrage 65 commande les leviers 10, 11, 12 en rotation autour de leur axe de pivotement R0, R1, R2 pour qu'ils transmettent l'effort de serrage sur l'ouverture 7 de l'embase 9 par l'intermédiaire du chevauchement des épaulements 17, 21.Once the levers 10, 11, 12 are in this position, the clamping ring 65 is rotated around the axial direction A to tighten the three levers via the lug 67 engaging with the three tangential notches 69 The slope 73 makes it possible to transmit the tightening force more progressively, as the tightening ring 65 rotates around the axial direction A. Thus, the tightening ring 65 controls the levers 10, 11, 12 in rotation around their pivot axis R0, R1, R2 so that they transmit the clamping force to the opening 7 of the base 9 via the overlap of the shoulders 17, 21.

Les différents modes de réalisation de l'invention décrits précédemment se rapportaient à des leviers de blocage dépourvus de denture. De même, du pourtour de l'ouverture de l'embase.The different embodiments of the invention described above related to locking levers without teeth. Likewise, from the perimeter of the opening of the base.

Cependant, l'invention prévoit avantageusement de pourvoir ces leviers et cette ouverture de dentures complémentaires. Sur les figures d'illustration des différents modes de réalisation, les dents 77 s'étendent suivant un rayon de courbure du levier 10, 11, 12 ou de l'ouverture 7 de l'embase 9. De préférence, la courbure du levier ou de l'ouverture est circulaire. Dans la position de blocage, le levier reproduit ainsi la denture d'un disque de fixation amovible ordinaire, pour laquelle les dents 77 font saillie dans un plan perpendiculaire à la direction axiale A de la base 3 du disque 1, de sorte que le dispositif est adapté à toute fixation standard, pour laquelle les dents 79 de la denture complémentaire, formée sur le pourtour de l'ouverture 7, s'étendent également de façon perpendiculaire à la direction axiale A de l'ouverture. A noter que les dents 77 du levier peuvent être inclinées par rapport à la direction axiale A, en formant une couronne conique centrée sur cette direction. Il en va de même des dents 79 de la denture complémentaire formée dans l'ouverture 7 de l'embase 9.However, the invention advantageously provides for providing these levers and this opening with complementary teeth. In the figures illustrating the different embodiments, the teeth 77 extend along a radius of curvature of the lever 10, 11, 12 or of the opening 7 of the base 9. Preferably, the curvature of the lever or of the opening is circular. In the blocking position, the lever thus reproduces the teeth of an ordinary removable fixing disc, for which the teeth 77 project in a plane perpendicular to the axial direction A of the base 3 of the disc 1, so that the device is suitable for any standard fixing, for which the teeth 79 of the complementary teeth, formed around the periphery of the opening 7, also extend perpendicular to the axial direction A of the opening. Note that the teeth 77 of the lever can be inclined relative to the axial direction A, forming a conical crown centered on this direction. The same applies to the teeth 79 of the complementary teeth formed in the opening 7 of the base 9.

Claims (10)

  1. A device for locking a binding to a snowboard, comprising a disc (1), having a base (3), that is housed in an opening (7) of a base (9) of the binding and is destinated to be attached to the snowboard (5) and a lever (10, 11, 12), which is hinged to the base (3) and pivots from an unlocking position to a locking position, wherein the base (9) is locked in any angular position relative to an axial direction (A) of the base (3) of the disc (1), the opening (7) of the base (9) being provided with a shoulder (21), characterized in that the lever (11) is a locking lever, overlapping the shoulder (21) of the opening of the base (9) in the locking position and transmitting a clamping force onto said shoulder (21), exerted by a clamping means (27, 33, 45, 55, 65), the lever (11) fitting into the opening (7) of the base (9) in the unlocking position.
  2. A locking device according to claim 1, characterized in that it comprises a second locking lever (10), the two levers (10, 11) pivoting from the unlocking position to the locking position, about two pivoting pins (R0, R1) carried by the base (3) of the disc (1) and parallel to each other.
  3. A locking device according to claim 1, characterized in that it comprises a second locking lever (10) and a third locking lever (12), the three levers (10, 11, 12) pivoting from the unlocking position to the locking position, about three pivoting pins (R0, R1, R2) carried by the base (3) of the disc (1), perpendicular to three intersecting planes, preferably making an angle of 120° between each other.
  4. A locking device according to claim 1, characterized in that a shoulder (17) of the locking lever (11) and the shoulder (21) of the opening (7) of the base (9) each carry a set of teeth, complementary to each other, said teeth (77, 79) extending along the radius of curvature, preferably circular, of the lever (11) and of the opening (7), such that, in the locking position, they protrude in a plane perpendicular to the axial direction (A) or form a conical ring centered on this axial direction (A).
  5. A locking device according to claim 1, characterized in that the clamping means comprises a clamping lever (27, 33), which is hinged to the base (3) of the disc (1), about a pivoting pin (29, 31), inserted in grooves (37) formed in the base (3), to slide relative to the base (3) and to exert, in the locking position, the clamping force using the pivoting pin (29, 31) engaged with a heel (39) of the locking lever (10, 11, 12).
  6. A locking device according to claim 2, characterized in that the clamping means comprises two bolts (22, 24), controlled in translation relative to the base (3) by a cam (34), which is movable in rotation about the axial direction (A), for exerting, in the locking position, the clamping force using a heel (39) of each of the two locking levers (10, 11), engaged with the two bolts (22, 24).
  7. A locking device according to claim 6, characterized in that the heel (39) of the locking lever (10, 11, 12) has a slope (41) relative to the axial direction (A).
  8. A locking device according to claim 1, characterized in that the clamping means (27, 33, 45, 55, 65) comprises a clamping ring (55, 65), which is movable in rotation about the axial direction (A), for exerting, in the locking position, the clamping force using a radial arm (61) or a tangential notch (69) engaged with a lug (67) of the locking lever (10, 11, 12).
  9. A locking device according to claim 8, characterized in that the radial arm (61) or the tangential notch (69) has a slope (63, 73) relative to the axial direction (A).
  10. A locking device according to claim 2, characterized in that the clamping means (27, 33, 45, 55, 65) comprises a clamping ring (45), which is movable in rotation about the axial direction (A), for exerting, in the locking position, the clamping force using a bearing surface (51) engaged with a complementary bearing surface (52) of both locking levers (10, 11), the two bearing surfaces (51, 52) forming a helical screw thread.
EP21823795.6A 2020-11-27 2021-11-26 Device for locking a binding to a snowboard comprising a pivoting locking lever Active EP4228776B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2012263 2020-11-27
PCT/EP2021/083254 WO2022112538A1 (en) 2020-11-27 2021-11-26 Device for locking a binding to a snowboard comprising a pivoting locking lever

Publications (3)

Publication Number Publication Date
EP4228776A1 EP4228776A1 (en) 2023-08-23
EP4228776C0 EP4228776C0 (en) 2024-03-13
EP4228776B1 true EP4228776B1 (en) 2024-03-13

Family

ID=78844947

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21823795.6A Active EP4228776B1 (en) 2020-11-27 2021-11-26 Device for locking a binding to a snowboard comprising a pivoting locking lever

Country Status (3)

Country Link
US (1) US20230415022A1 (en)
EP (1) EP4228776B1 (en)
WO (1) WO2022112538A1 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2627097B1 (en) 1988-02-11 1991-08-30 Duret Michel SNOWBOARD BINDINGS
US5277635A (en) * 1991-12-19 1994-01-11 Connelly Skis, Inc. Water skiboard with rotatable binding
DE19700291A1 (en) * 1997-01-08 1998-07-09 Sam Sport And Marketing Ag Quick change snowboard binding
AT411016B (en) 2001-08-29 2003-09-25 Atomic Austria Gmbh BINDING DEVICE FOR SPORTS EQUIPMENT, ESPECIALLY FOR A SNOWBOARD
EP2002870B1 (en) * 2007-06-14 2011-08-17 Goodwell International Limited Tool-free adjustable binding for sports board

Also Published As

Publication number Publication date
EP4228776C0 (en) 2024-03-13
EP4228776A1 (en) 2023-08-23
US20230415022A1 (en) 2023-12-28
WO2022112538A1 (en) 2022-06-02
WO2022112538A9 (en) 2022-07-28

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