EP2322255B1 - Braking device for a snowboard - Google Patents

Braking device for a snowboard Download PDF

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Publication number
EP2322255B1
EP2322255B1 EP10191317.6A EP10191317A EP2322255B1 EP 2322255 B1 EP2322255 B1 EP 2322255B1 EP 10191317 A EP10191317 A EP 10191317A EP 2322255 B1 EP2322255 B1 EP 2322255B1
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EP
European Patent Office
Prior art keywords
brake
board
gliding
strap
braking
Prior art date
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Active
Application number
EP10191317.6A
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German (de)
French (fr)
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EP2322255A1 (en
Inventor
Denis Bertagnolio
Jean-Marc Pascal
Olivier Bizzini
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skis Rossignol SA
Original Assignee
Skis Rossignol SA
Rossignol SA
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Publication of EP2322255A1 publication Critical patent/EP2322255A1/en
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Publication of EP2322255B1 publication Critical patent/EP2322255B1/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
    • A63C7/00—Devices preventing skis from slipping back; Ski-stoppers or ski-brakes
    • A63C7/10—Hinged stoppage blades attachable to the skis in such manner that these blades can be moved out of the operative position
    • A63C7/1006—Ski-stoppers
    • A63C7/1066—Ski-stoppers for mono-skis or snow-ski boards
    • 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
    • A63C10/02—Snowboard bindings characterised by details of the shoe holders
    • A63C10/04—Shoe holders for passing over the shoe

Definitions

  • the invention relates to a braking device for a gliding board, particularly adapted for mounting on a snowboard. It also relates to a device for attaching a boot to a gliding board and a gliding board as such comprising such a braking device.
  • a surf binding of the state of the art is described in the document FR2838977 and illustrated on the figure 1 . It comprises two lateral wings 2 fixed on a base 1. A rear arch 3, associated with a rear support element 4, also called spoiler, is mounted on these wings 2 and extends on the rear of the device. To put on the binding, the user positions his shoe on the base 1, between the two lateral wings 2, the shoe in rear stop against the rear arch 3 and the spoiler 4.
  • the donning operation ends with the fixation the shoe by one or more straps, generally called by their English name "strap" on the kick and on the front of the shoe.
  • Each strap attachment consists in fact of two parts 5, 6 respectively fixed to the opposite side wings, which we also simply call strap, which are fixed together according to an adjustable fixing mechanism to better marry the outline of the shoe in the stance position to ensure a good support of the shoe.
  • a first strap 5 generally comprises a toothed zone which cooperates with a clamping loop 7 disposed on a second strap 6.
  • This solution has the disadvantage of not having a braking device and not being secured.
  • a snowboard equipped with such a fastening device has the risk of starting alone while sliding on a snowy slope, which is very dangerous.
  • the document WO2009 / 075837 discloses a device for fixing a boot on a surf comprising the traditional elements mentioned above and a braking device, which is based on a pedal positioned on the base of the device.
  • This pedal is connected to a brake so as to induce, during the boot of the shoe that bears on the pedal, the passage of the brake from its braking position to a raised position of non-braking.
  • the brake automatically returns to its braking configuration in which it comes into contact with the snow.
  • the document US2007 / 0075524 likewise describes a different braking device mounted on a snowboard.
  • This device is independent of the shoe attachment device, includes its own base attached to the surf, on which a brake is mounted rotatably.
  • One embodiment relates this brake to a fastening strap so as to allow the automatic movement of the brake to its braking position as soon as the binding strap of the shoe is released, in a heaving phase of the shoe.
  • This solution has the first disadvantage of requiring a manual actuation of the brake to return it to its non-braking position, before being able to practice surfing.
  • this independent solution has the second disadvantage of representing a significant additional space on the surface of the surf.
  • a general object of the present invention is therefore to provide a braking solution adapted to a snowboard, which does not have all or part of the disadvantages of existing solutions.
  • a first object of the present invention is to provide a brake solution adapted to a snowboard compatible with existing devices for attaching a shoe to a snowboard.
  • a second object of the present invention is to provide a braking solution adapted to a snowboard, secure, user-friendly, and having a small footprint.
  • the invention is based on a braking device of a gliding board, comprising a brake that can occupy a first braking position in which it occupies a low position capable of rubbing the ground and a second non-braking position, in which it occupies a raised position, and comprising means for controlling the position of the brake, characterized in that the means for controlling the position of the brake comprises a connection means adapted for connection with a strap of a device of shoe binding on a gliding board, so that the brake control means induces the automatic positioning in the non-braking position of the brake when closing and / or the tightening of a strap on a shoe.
  • the brake control means may comprise a rocker movable in rotation, the rocker comprising a connection with the brake and a connecting means adapted for connection with a strap of a shoe attachment device on the board. of gliding.
  • control means may comprise at least one rod whose end is adapted for connection with a strap of a shoe attachment device on the board.
  • control means may comprise a cable whose one end is connected to the brake and another end is able to be connected to a strap of a shoe fastening device on the gliding board.
  • the brake may be rotatably mounted about an axle rotatably mounted on a base, and the end of the cable may be connected to a wheel secured to the axis of rotation.
  • One end of the cable may be connected to a movable plate in translation comprising a connecting means with a strap.
  • the control means is provided so that a force exerted on the connecting means adapted for connection with a strap of a shoe attachment device on a gliding board induces the automatic positioning in the non-braking position of the brake.
  • the invention also relates to a device for attaching a sports boot to a gliding board, characterized in that it comprises a braking device as described above.
  • the means for controlling the brake position of the braking device can be linked to a shoe attachment strap of the shoe attachment device on the gliding board, so that the brake control means induces the automatic positioning in position. non-braking of the brake when closing and tightening of the strap on a shoe and conversely the automatic positioning in brake braking position when opening the strap for the release of the shoe under the force of a spring of recall.
  • the device for attaching a sports boot to a gliding board may comprise a rocker rotatably mounted on a lateral portion of the shoe binding device around an axis, the end of a shoe binding strap being mounted on the rocker by a second axis positioned behind the axis of rotation of the rocker.
  • the brake can occupy a position substantially parallel to the hoop or the wing or the brake be substantially parallel to a lateral side of a rear support member.
  • the brake can be fixedly mounted on the rocker and can be rotated about a transverse axis relative to the shoe attachment device.
  • the attachment device for a sports shoe may comprise a link having a first end connected to a binding strap and a second end connected to an axis of rotation of the brake, this pin being rotatably mounted within a base in a substantially longitudinal direction.
  • the brake can be driven by a rotational movement of substantially a quarter turn relative to the base of the shoe attachment device.
  • the attachment device of a sports shoe may comprise a cable connected on the one hand to an axis of rotation of a brake mounted to rotate on a base and on the other hand to a plate connected to the end of a shoe binding strap and movable in translation relative to the base of the shoe attachment device.
  • the invention also relates to a gliding board characterized in that it comprises a braking device as described above.
  • FIGS. 2 to 4 illustrate a first embodiment of the invention in which a braking device is mounted on a snowboard boot binding device.
  • This shoe attachment device comprises, in a known manner, a base 11 intended to receive the support of the sole of a boot, two lateral wings 12 extended rearwardly by a bow 13 supporting a rear support element 14 intended for receive the back support of the shoe.
  • a base 11 intended to receive the support of the sole of a boot
  • two lateral wings 12 extended rearwardly by a bow 13 supporting a rear support element 14 intended for receive the back support of the shoe.
  • only one toothed portion 15 of a shoe attachment back strap is shown in the figures.
  • the device shoe attachment includes two attachment straps similar to those of the figure 1 , each connected to a side wing or to the base of the shoe attachment device, of which only the toothed portion 15 is shown, so as to fix and tighten the top of a shoe in donning configuration.
  • the braking device comprises a base 20 of triangular shape, which is movable in the manner of a rocker as will be explained below, which we will call more simply flip-flop, comprising the at a first angle, a connecting means 21 with the lateral part of the shoe fastening device, around a second angle a connecting means 22 with the end of the shoe binding strap 15, and in the vicinity of a third angle, an elongate brake 24 fixed by a fixing means 23 to the rocker 20.
  • the brake 24 has an end 25 intended to come into contact with the snow to fulfill a braking function, as well as one or more edges laterally 26, possibly toothed (s) to improve the braking function.
  • the figures 2 and 3 represent the shoe attachment device in non-pavement configuration, that is to say in the absence of a shoe fixed in the device.
  • the straps occupy a raised position, as illustrated by the rear strap 15 which has a substantially vertical orientation to release the central space of the shoe attachment device to facilitate the insertion of a shoe.
  • This raised position is obtained voluntarily by the elastic effect of the material used for the strap, which naturally returns to its original rest position in non-pavement configuration of the device, or by any other separate elastic means.
  • the figure 4 presents the device in pavement position.
  • the two strap portions, the toothed portion 15 shown are approached above a shoe, not shown, to fasten them to one another and then tighten the upper surface of the shoe. , using a clamping loop.
  • the strap 15 is rotated forwards with respect to the shoe attachment device during the engagement of the toothed part in the tightening loop, this docking operation of the strap in the loop called generally closure of the fastening device.
  • the clamping operation generates a large traction force F on the strap, which holds the brake 24 in its non-braking position.
  • the rocker 20 of the braking device is rotatably mounted about its axis 21 of connection on the arch 13 of the shoe attachment device, that is to say around a transverse axis substantially perpendicular to the wing 12 of the shoe fastening device.
  • a torsion spring acts on this axis so as to tend to the positioning of the brake in the braking position.
  • the boot of a shoe is accompanied by a rotation of the strap 15, as has been explained above, which induces the rotation of the rocker 20 which then rotates a quarter of a turn around the 21 axis, opposing the spring force.
  • the strap 15 transmits a moment of rotation to the rocker which brings its connecting pin 22 from its initial position, to the rear of the axis of rotation 21 substantially parallel to the hoop 13, to a position at above this axis 21.
  • this rotation causes the rotation of a quarter turn of the brake 24 connected to the rocker 20, which allows to move it from its initial position braking substantially vertical downward, as shown in the figures 2 and 3 towards its non-braking position substantially aligned with the wing 12 or the bow 13 as shown in FIG. figure 4 .
  • FIGS. 5 and 6 illustrate a variant of this first embodiment in which a rocker 20 'always mounted rotatably about an axis 21' with respect to the lateral arch 13 'of the fixing device has a slightly different shape, and a connection different with a strap 15 'and a brake 24'.
  • the passage of the braking position, illustrated by the figure 5 , at the non-braking position, illustrated by the figure 6 is done by a rotation of almost a half turn of the rocker 20 ', allowing the positioning of the brake in substantially vertical position, aligned with a lateral side of the rear support element 14', in the non-braking position.
  • This geometry of non-braking makes it possible not to encumber the fixing device and to achieve an attractive aesthetic appearance.
  • the brake could alternatively occupy any position in which it is sufficiently raised to not come into contact with the ground during the practice of surfing and the rocker can have any rotational movement of at least a quarter turn.
  • This first embodiment has been illustrated with a brake 24, 24 'separate from the rocker 20, 20'.
  • these two elements could form a single piece.
  • the connection between these two distinct elements could allow a respective mobility between the transition from the braking position to the non-braking.
  • the latch represents a brake control means 24, 24 '.
  • FIGS. 7 to 11 illustrate a second embodiment of the invention.
  • a brake 34 remains connected to the rear strap 15 of the shoe attachment device, via a more complex control means comprising in particular a rod 39.
  • the braking device of this second embodiment is also mounted at the level of the arch 13 of the shoe attachment device, near a wing 12. It comprises a base 30 fixed to the hoop 13 by the intermediate of a flat plate 31, which serves as a support. The base 30 thus extends perpendicularly to the hoop, in a substantially transverse direction y. It has a cylindrical opening 36 through which extends an axis 33 in a substantially longitudinal direction, connected in its rear portion to the brake 34 and in its front part to a rod type mechanism.
  • a connecting piece 37 comprises a first end connected to the lower part of the strap 15, according to a link 32 allowing it to rotate, and a second end connected to an axis 38 itself connected to a first end of a link 39.
  • the second end of the rod 39 is connected to the axis 33 of the brake 34.
  • the latter is subjected to a return force by a torsion spring not shown, arranged between the base 30 and the axis 33, which tends to position the brake in the braking position.
  • a torsion spring not shown, arranged between the base 30 and the axis 33, which tends to position the brake in the braking position.
  • the rod function is in fact filled by two parallel rods 39, 39 'arranged at the ends of the intermediate axis 38.
  • FIGS 8 and 9 represent this device in the non-braking position, in which the brake 34 occupies a substantially horizontal position in the transverse direction y, disposed at the rear of the rollbar 13 of the shoe fastening device.
  • the latter is in its attachment configuration of a shoe, not shown, in which his strap 15 tightens the top of the shoe to ensure its maintenance.
  • the strap is therefore subjected to a traction force in this pavement configuration, as explained previously, which positions the connecting piece 37 in a raised configuration, causing the rod 39 to rotate in a raised, almost vertical position by through its axis 38, as is particularly visible on the figure 9 .
  • the torsion spring automatically returns the entire mechanism in the braking position and maintains it in this position.
  • FIGS. 10 and 11 illustrate the same braking device in its braking position.
  • the shoe tightening strap 15 When the shoe tightening strap 15 is released upon release of a shoe, it resumes its resting configuration in which it is no longer subjected to a vertical traction force.
  • the link 39 then returns to its rest position, under the effect of a return spring, by a rotation of about a quarter turn. In this position, the connecting piece 37 occupies a low position.
  • This change of position of the rod 39 causes the rotation of the axis 33 by a quarter turn, which positions the brake 34 in a substantially vertical downward braking position, in which its end 35 can rub on the snow to complete the braking function of a gliding board.
  • the mechanism for controlling the position of the brake 34 based on at least one link 39 makes it possible to transform the translational movement of the strap 15 between its two configurations, respectively for booting a shoe or not. boot, to transmit a rotational movement of a quarter of a turn to a substantially longitudinal axis 33, parallel to the plane of the lateral wing 12 of the shoe fastening device.
  • the brake is rotatable about a longitudinal axis in this second embodiment of the invention.
  • FIGS. 12 to 15 illustrate a third embodiment of the invention in which a braking device is independent of the shoe attachment device, but still connected to a strap of the shoe attachment device on a snowboard.
  • the braking device comprises a brake 44 rotatably mounted by an axle 43 disposed on a base 40 fixed to a connecting plate 10 with a snowboard at the anterior portion of a shoe attachment device and close to the edge of the surf to allow the brake to extend beyond the edge of the surf in the braking position.
  • the braking device could be mounted directly on the surface of a snowboard, in the absence of a plate 10.
  • the braking device further comprises a wheel 45 integral with the axis of rotation 43, disposed adjacent the brake 44. This wheel 45 is connected by a cable 46, protected by a sheath, to a rear strap 15 of the shoe attachment device.
  • the braking device comprises a base 47 having lateral slides 48, fixed on the rear arch 13 of the shoe attachment device by a fixing means 41. These lateral slides 48 guide a plate 49 movable in translation within this base 47. A wheel 50 around which is wound the cable 46, whose end is fixed towards a lower end of the base 47, is fixed to the lower end of this plate 49. The lower end of the strap 15 is connected by connecting means 42 to the upper part of this plate 49.
  • the Figures 12 and 13 represent the brake 44 in the non-braking position, corresponding to the position of the strap 15 in the tightening configuration of a sports shoe not shown.
  • a pulling force is exerted on the strap 15 which induces the positioning in the high position of the movable plate 49.
  • This high position causes traction on the cable 46, transmitted to the wheel 45 to maintain the brake 44 in its seat. non-braking position.
  • the strap 15 is released from its force, and likewise releases the force exerted on the cable 46.
  • the wheel 45 is then free to rotate under the effect of a spring not shown return which causes the rotation of the axis 43 and therefore of the brake 44 integral in its braking position, shown on the figure 15 .
  • This rotation is about three-quarters of a turn.
  • the plate 49 occupies its low position within the slideways 48.
  • This plate drives the cable 46 around the wheel 50, the function of which is to amplify the sole movement of the strap 15 between the two configurations which it occupies, in order to transmit a greater range of motion to the cable 46.
  • the wheel 50 also prevents friction during these movements.
  • the cable could be mounted on the base 47 without using an intermediate wheel 50.
  • the boot of a shoe on the fastener will cause the automatic repositioning of the brake 44 in the non-braking position, under the sole effect of the traction of the strap 15 when attached to the shoe, the cable 46 transmitting this force to the wheel 45 whose diameter is determined to allow it to exercise a sufficient moment to move the axis of rotation 43 against the reverse force exerted by the return spring.
  • the brake control means 44 thus essentially comprises a cable 46 and incidentally, at the strap 15, a plate 49 movable in translation in the slideways 48, and at the brake 44, a wheel 45 integral with the axis of rotation of the brake.
  • the braking device has been adapted for a surf equipped with "strap type" shoe binding device, as has been illustrated and described.
  • the invention remains compatible with a different mounting device, step-in type. It suffices in this case to add a strap whose function is essentially the implementation of the braking function.
  • a shoe attachment device having a base, two side wings and a separate rear arch. It remains naturally valid for other configurations of fasteners, especially in the case where the wing and the rear arch form a single monolithic element for example.
  • any control means could be implemented to link the movement of the brake to the restricted movement of a shoe attachment strap of a fastening device, allowing the automatic passage of the braking position of the brake to the position of no. braking.
  • the control has been illustrated as causing a rotation brake, rotating one, two or three quarters of a turn. Alternatively, this rotation may have other values, or the movement of the brake could be different from a rotation.
  • the control of the brake for its passage from the braking position to the non-braking position is advantageously obtained by a traction force exerted at the input of the control means, following the tension exerted on a strap of fastening when putting on a shoe.
  • the mechanism could be reversed, a force of pushing and not traction then causing this passage of the brake from its braking position to that of non-braking.
  • the brake may take any other form than those illustrated by way of example and may be in different materials, for example a rigid plastic and / or metal.
  • the braking device can be linked to the front strap or any strap.
  • the braking device has been illustrated as part of an implementation for snowboarding. It could also be used for any other boards.
  • a single braking device can be arranged on a gliding board, in connection with only one of the two shoe attachment devices, for example that concerning the front foot for snowboarding to allow the release of the rear foot for the practice of the "scooter" type of walking in certain phases where the slope is not sufficient for sliding.
  • several braking devices can be envisaged for the same board of gliding.

Description

L'invention concerne un dispositif de freinage d'une planche de glisse, particulièrement adapté pour son montage sur un surf des neiges. Elle concerne aussi un dispositif de fixation d'une chaussure sur une planche de glisse et une planche de glisse en tant que tels comprenant un tel dispositif de freinage.The invention relates to a braking device for a gliding board, particularly adapted for mounting on a snowboard. It also relates to a device for attaching a boot to a gliding board and a gliding board as such comprising such a braking device.

Une fixation de surf de l'état de la technique est décrite dans le document FR2838977 et illustrée sur la figure 1. Elle comprend deux ailes 2 latérales fixées sur une embase 1. Un arceau arrière 3, associé à un élément d'appui arrière 4, aussi appelé spoiler, est monté sur ces ailes 2 et s'étend sur l'arrière du dispositif. Pour chausser la fixation, l'utilisateur positionne sa chaussure sur l'embase 1, entre les deux ailes latérales 2, la chaussure en butée arrière contre l'arceau arrière 3 et le spoiler 4. L'opération de chaussage se termine par la fixation de la chaussure par une ou plusieurs sangles, généralement appelées par leur dénomination anglo-saxonne « strap », sur le coup de pied et sur l'avant de la chaussure. Chaque strap de fixation se compose en fait de deux parties 5, 6 respectivement fixées sur les ailes latérales opposées, que nous appelons aussi simplement strap, qui sont fixées entre elles selon un mécanisme de fixation réglable permettant d'épouser au mieux le contour de la chaussure en position de chaussage pour garantir un bon maintien de la chaussure. Pour cela, un premier strap 5 comprend en général une zone dentée qui coopère avec une boucle de serrage 7 disposée sur un second strap 6. Cette solution présente l'inconvénient de ne pas présenter de dispositif de freinage et de ne pas être sécurisée. Ainsi, un surf des neiges équipé d'un tel dispositif de fixation présente le risque de partir seul en glissement sur une pente enneigée, ce qui est très dangereux.A surf binding of the state of the art is described in the document FR2838977 and illustrated on the figure 1 . It comprises two lateral wings 2 fixed on a base 1. A rear arch 3, associated with a rear support element 4, also called spoiler, is mounted on these wings 2 and extends on the rear of the device. To put on the binding, the user positions his shoe on the base 1, between the two lateral wings 2, the shoe in rear stop against the rear arch 3 and the spoiler 4. The donning operation ends with the fixation the shoe by one or more straps, generally called by their English name "strap" on the kick and on the front of the shoe. Each strap attachment consists in fact of two parts 5, 6 respectively fixed to the opposite side wings, which we also simply call strap, which are fixed together according to an adjustable fixing mechanism to better marry the outline of the shoe in the stance position to ensure a good support of the shoe. For this, a first strap 5 generally comprises a toothed zone which cooperates with a clamping loop 7 disposed on a second strap 6. This solution has the disadvantage of not having a braking device and not being secured. Thus, a snowboard equipped with such a fastening device has the risk of starting alone while sliding on a snowy slope, which is very dangerous.

Pour pallier à cet inconvénient, le document WO2009/075837 décrit un dispositif de fixation d'une chaussure sur un surf comprenant les éléments traditionnels rappelés ci-dessus ainsi qu'un dispositif de freinage, qui repose sur une pédale positionnée sur l'embase du dispositif. Cette pédale est reliée à un frein de sorte d'induire, lors du chaussage de la chaussure qui vient en appui sur la pédale, le passage du frein de sa position de freinage à une position relevée de non freinage. Inversement, quand la chaussure est enlevée de l'embase, le frein retrouve automatiquement sa configuration de freinage dans laquelle il vient en contact avec la neige.To overcome this drawback, the document WO2009 / 075837 discloses a device for fixing a boot on a surf comprising the traditional elements mentioned above and a braking device, which is based on a pedal positioned on the base of the device. This pedal is connected to a brake so as to induce, during the boot of the shoe that bears on the pedal, the passage of the brake from its braking position to a raised position of non-braking. Conversely, when the shoe is removed from the base, the brake automatically returns to its braking configuration in which it comes into contact with the snow.

Le document US2007/0075524 décrit de même un dispositif de freinage différent monté sur un surf des neiges. Ce dispositif est indépendant du dispositif de fixation de chaussure, comprend sa propre embase fixée sur le surf, sur laquelle un frein est monté mobile en rotation. Un mode d'exécution relie ce frein à un strap de fixation de sorte de permettre la mise en mouvement automatique du frein vers sa position de freinage dès que le strap de fixation de la chaussure est libéré, dans une phase de déchaussage de la chaussure. Cette solution présente le premier inconvénient de nécessiter un actionnement manuel du frein pour le remettre dans sa position de non freinage, avant de pouvoir pratiquer le surf. De plus, cette solution indépendante présente le second inconvénient de représenter un encombrement supplémentaire important à la surface du surf.The document US2007 / 0075524 likewise describes a different braking device mounted on a snowboard. This device is independent of the shoe attachment device, includes its own base attached to the surf, on which a brake is mounted rotatably. One embodiment relates this brake to a fastening strap so as to allow the automatic movement of the brake to its braking position as soon as the binding strap of the shoe is released, in a heaving phase of the shoe. This solution has the first disadvantage of requiring a manual actuation of the brake to return it to its non-braking position, before being able to practice surfing. In addition, this independent solution has the second disadvantage of representing a significant additional space on the surface of the surf.

Le document WO 03/092829 décrit un dispositif de freinage selon le préambule de la revendication 1.The document WO 03/092829 describes a braking device according to the preamble of claim 1.

Un objet général de la présente invention est donc de proposer une solution de freinage adaptée à un surf des neiges, qui ne présente pas tout ou partie des inconvénients des solutions existantes.A general object of the present invention is therefore to provide a braking solution adapted to a snowboard, which does not have all or part of the disadvantages of existing solutions.

Plus précisément, un premier objet de la présente invention consiste à proposer une solution de freinage adaptée à un surf des neiges compatible avec les dispositifs existants de fixation de chaussure sur un surf des neiges.More specifically, a first object of the present invention is to provide a brake solution adapted to a snowboard compatible with existing devices for attaching a shoe to a snowboard.

Un second objet de la présente invention consiste à proposer une solution de freinage adaptée à un surf des neiges, sécurisée, conviviale, et présentant un faible encombrement.A second object of the present invention is to provide a braking solution adapted to a snowboard, secure, user-friendly, and having a small footprint.

A cet effet, l'invention repose sur un dispositif de freinage d'une planche de glisse, comprenant un frein pouvant occuper une première position de freinage dans laquelle il occupe une position basse apte à frotter le sol et une seconde position de non freinage, dans laquelle il occupe une position relevée, et comprenant un moyen de commande de la position du frein, caractérisé en ce que le moyen de commande de la position du frein comprend un moyen de liaison adapté pour une liaison avec un strap d'un dispositif de fixation de chaussure sur une planche de glisse, de sorte que le moyen de commande du frein induise le positionnement automatique en position de non freinage du frein lors de la fermeture et/ou le serrage d'un strap sur une chaussure.For this purpose, the invention is based on a braking device of a gliding board, comprising a brake that can occupy a first braking position in which it occupies a low position capable of rubbing the ground and a second non-braking position, in which it occupies a raised position, and comprising means for controlling the position of the brake, characterized in that the means for controlling the position of the brake comprises a connection means adapted for connection with a strap of a device of shoe binding on a gliding board, so that the brake control means induces the automatic positioning in the non-braking position of the brake when closing and / or the tightening of a strap on a shoe.

Selon une première réalisation, le moyen de commande du frein peut comprendre une bascule mobile en rotation, la bascule comprenant une liaison avec le frein et un moyen de liaison adapté pour une liaison avec un strap d'un dispositif de fixation de chaussure sur la planche de glisse.According to a first embodiment, the brake control means may comprise a rocker movable in rotation, the rocker comprising a connection with the brake and a connecting means adapted for connection with a strap of a shoe attachment device on the board. of gliding.

Selon une seconde réalisation, le moyen de commande peut comprendre au moins une biellette dont une extrémité est adaptée pour une liaison avec un strap d'un dispositif de fixation de chaussure sur la planche de Selon une troisième réalisation, le moyen de commande peut comprendre un câble dont une extrémité est liée au frein et une autre extrémité est apte à une liaison avec un strap d'un dispositif de fixation de chaussure sur la planche de glisse.According to a second embodiment, the control means may comprise at least one rod whose end is adapted for connection with a strap of a shoe attachment device on the board. According to a third embodiment, the control means may comprise a cable whose one end is connected to the brake and another end is able to be connected to a strap of a shoe fastening device on the gliding board.

Le frein peut être monté en rotation autour d'un axe monté mobile en rotation sur une embase, et l'extrémité du câble peut être liée à une roue solidaire de l'axe de rotation.The brake may be rotatably mounted about an axle rotatably mounted on a base, and the end of the cable may be connected to a wheel secured to the axis of rotation.

Une extrémité du câble peut être liée à une plaque mobile en translation comprenant un moyen de liaison avec un strap.One end of the cable may be connected to a movable plate in translation comprising a connecting means with a strap.

Le moyen de commande est prévu pour qu'une force exercée sur le moyen de liaison adapté pour une liaison avec un strap d'un dispositif de fixation de chaussure sur une planche de glisse induise le positionnement automatique en position de non freinage du frein.The control means is provided so that a force exerted on the connecting means adapted for connection with a strap of a shoe attachment device on a gliding board induces the automatic positioning in the non-braking position of the brake.

L'invention porte aussi sur un dispositif de fixation d'une chaussure de sport sur une planche de glisse, caractérisé en ce qu'il comprend un dispositif de freinage tel que décrit précédemment.The invention also relates to a device for attaching a sports boot to a gliding board, characterized in that it comprises a braking device as described above.

Le moyen de commande de la position du frein du dispositif de freinage peut être lié à un strap de fixation de chaussure du dispositif de fixation de chaussure sur la planche de glisse, de sorte que le moyen de commande du frein induise le positionnement automatique en position de non freinage du frein lors de la fermeture et le serrage du strap sur une chaussure et inversement le positionnement automatique en position de freinage du frein lors de l'ouverture du strap pour la libération de la chaussure sous l'effort d'un ressort de rappel.The means for controlling the brake position of the braking device can be linked to a shoe attachment strap of the shoe attachment device on the gliding board, so that the brake control means induces the automatic positioning in position. non-braking of the brake when closing and tightening of the strap on a shoe and conversely the automatic positioning in brake braking position when opening the strap for the release of the shoe under the force of a spring of recall.

Le dispositif de fixation d'une chaussure de sport sur une planche de glisse peut comprendre une bascule montée en rotation sur une partie latérale du dispositif de fixation de chaussure autour d'un axe, l'extrémité d'un strap de fixation de chaussure étant montée sur la bascule par un second axe positionné derrière l'axe de rotation de la bascule.The device for attaching a sports boot to a gliding board may comprise a rocker rotatably mounted on a lateral portion of the shoe binding device around an axis, the end of a shoe binding strap being mounted on the rocker by a second axis positioned behind the axis of rotation of the rocker.

En configuration de chaussage, le frein peut occuper une position sensiblement parallèle à l'arceau ou l'aile ou le frein être sensiblement parallèle à un côté latéral d'un élément d'appui arrière.In boot configuration, the brake can occupy a position substantially parallel to the hoop or the wing or the brake be substantially parallel to a lateral side of a rear support member.

Le frein peut être monté fixe sur la bascule et être donc mobile en rotation autour d'un axe transversal relativement au dispositif de fixation de chaussure.The brake can be fixedly mounted on the rocker and can be rotated about a transverse axis relative to the shoe attachment device.

Le dispositif de fixation d'une chaussure de sport peut comprendre une biellette dont une première extrémité est liée à un strap de fixation et une seconde extrémité est liée à un axe de rotation du frein, cet axe étant monté mobile en rotation au sein d'une embase dans une direction sensiblement longitudinale.The attachment device for a sports shoe may comprise a link having a first end connected to a binding strap and a second end connected to an axis of rotation of the brake, this pin being rotatably mounted within a base in a substantially longitudinal direction.

Le frein peut être animé d'un mouvement de rotation de sensiblement un quart de tour par rapport à l'embase du dispositif de fixation de chaussure.The brake can be driven by a rotational movement of substantially a quarter turn relative to the base of the shoe attachment device.

Le dispositif de fixation d'une chaussure de sport peut comprendre un câble relié d'une part à un axe de rotation d'un frein monté en rotation sur une embase et d'autre part à une plaque liée à l'extrémité d'un strap de fixation de chaussure et mobile en translation relativement à l'embase du dispositif de fixation de chaussure.The attachment device of a sports shoe may comprise a cable connected on the one hand to an axis of rotation of a brake mounted to rotate on a base and on the other hand to a plate connected to the end of a shoe binding strap and movable in translation relative to the base of the shoe attachment device.

L'invention porte aussi sur une planche de glisse caractérisée en ce qu'elle comprend un dispositif de freinage tel que décrit précédemment.The invention also relates to a gliding board characterized in that it comprises a braking device 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 en vue de côté un dispositif de fixation d'une chaussure sur un surf des neiges selon un état de la technique.
  • La figure 2 représente une vue en perspective d'un dispositif de fixation d'une chaussure sur un surf des neiges comprenant un dispositif de freinage en position de freinage selon un premier mode d'exécution de l'invention.
  • La figure 3 représente une vue de côté du dispositif de freinage en position de freinage selon le premier mode d'exécution de l'invention.
  • La figure 4 représente une vue de côté du dispositif de freinage en position de non freinage selon le premier mode d'exécution de l'invention.
  • La figure 5 représente une vue de côté du dispositif de freinage en position de freinage selon une variante du premier mode d'exécution de l'invention.
  • La figure 6 représente une vue de côté du dispositif de freinage en position de non freinage selon la variante du premier mode d'exécution de l'invention.
  • La figure 7 représente une vue en perspective partiellement éclatée d'un dispositif de fixation d'une chaussure sur un surf des neiges comprenant un dispositif de freinage en position de non freinage selon un second mode d'exécution de l'invention.
  • La figure 8 représente une vue en perspective du dispositif de fixation d'une chaussure sur un surf des neiges comprenant un dispositif de freinage en position de non freinage selon le second mode d'exécution de l'invention.
  • La figure 9 représente une vue en perspective, en coupe au niveau du dispositif de freinage, du dispositif de freinage en position de non freinage selon le second mode d'exécution de l'invention.
  • La figure 10 représente une vue en perspective du dispositif de fixation d'une chaussure sur un surf des neiges comprenant un dispositif de freinage en position de freinage selon le second mode d'exécution de l'invention.
  • La figure 11 représente une vue en perspective, en coupe au niveau du dispositif de freinage, du dispositif de freinage en position de freinage selon le second mode d'exécution de l'invention.
  • La figure 12 représente une vue en perspective de côté d'un dispositif de fixation d'une chaussure sur un surf des neiges comprenant un dispositif de freinage en position de non freinage selon un troisième mode d'exécution de l'invention.
  • La figure 13 représente une vue en perspective partielle de côté du dispositif de fixation d'une chaussure sur un surf des neiges comprenant un dispositif de freinage en position de non freinage selon le troisième mode d'exécution de l'invention.
  • La figure 14 représente une vue en perspective arrière partiellement éclatée du dispositif de fixation d'une chaussure sur un surf des neiges comprenant un dispositif de freinage selon le troisième mode d'exécution de l'invention.
  • La figure 15 représente une vue en perspective de côté du dispositif de fixation d'une chaussure sur un surf des neiges comprenant un dispositif de freinage en position de freinage 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 side view of a device for attaching a boot to a snowboard according to a state of the art.
  • The figure 2 is a perspective view of a device for attaching a boot to a snowboard comprising a braking device in the braking position according to a first embodiment of the invention.
  • The figure 3 represents a side view of the braking device in the braking position according to the first embodiment of the invention.
  • The figure 4 represents a side view of the braking device in the non-braking position according to the first embodiment of the invention.
  • The figure 5 represents a side view of the braking device in the braking position according to a variant of the first embodiment of the invention.
  • The figure 6 represents a side view of the braking device in non-braking position according to the variant of the first embodiment of the invention.
  • The figure 7 represents a partially exploded perspective view of a shoe attachment device on a snowboard comprising a braking device in the non-braking position according to a second embodiment of the invention.
  • The figure 8 is a perspective view of the attachment device of a boot on a snowboard comprising a braking device in the non-braking position according to the second embodiment of the invention.
  • The figure 9 represents a perspective view, in section at the braking device, of the braking device in the non-braking position according to the second embodiment of the invention.
  • The figure 10 represents a perspective view of the device for attaching a boot to a snowboard comprising a braking device in the braking position according to the second embodiment of the invention.
  • The figure 11 represents a perspective view, in section at the braking device, of the braking device in the braking position according to the second embodiment of the invention.
  • The figure 12 is a perspective side view of a shoe attachment device on a snowboard comprising a braking device in the non-braking position according to a third embodiment of the invention.
  • The figure 13 is a partial perspective side view of the fastening device of a boot on a snowboard comprising a braking device in the non-braking position according to the third embodiment of the invention.
  • The figure 14 is a partially exploded rear perspective view of the attachment device of a boot on a snowboard comprising a braking device according to the third embodiment of the invention.
  • The figure 15 is a side perspective view of the device for attaching a boot to a snowboard comprising a braking device in the braking position according to the third embodiment of the invention.

Les différentes figures illustrent différents modes d'exécution de l'invention, sur lesquelles les mêmes références seront utilisées pour les mêmes éléments. D'autre part, pour faciliter la compréhension de la description, nous utiliserons la direction longitudinale et horizontale x celle définie par l'embase d'un dispositif de fixation de chaussure, dans le sens de l'arrière vers l'avant, la direction transversale et horizontale y la direction perpendiculaire à la précédente, et la direction verticale z orientée vers le haut celle perpendiculaire aux deux précédentes directions.The various figures illustrate different embodiments of the invention, on which the same references will be used for the same elements. On the other hand, to facilitate the understanding of the description, we will use the longitudinal and horizontal direction x that defined by the base of a shoe attachment device, in the direction of the rear towards the front, the direction crosswise and horizontal y the direction perpendicular to the previous one, and the vertical direction z upwardly perpendicular to the two previous directions.

Les figures 2 à 4 illustrent un premier mode d'exécution de l'invention dans lequel un dispositif de freinage est monté sur un dispositif de fixation de chaussure pour surf des neiges. Ce dispositif de fixation de chaussure comprend de manière connue une embase 11 destinée à recevoir l'appui de la semelle d'une chaussure, deux ailes latérales 12 prolongées vers l'arrière par un arceau 13 supportant un élément d'appui arrière 14 destiné à recevoir l'appui arrière de la chaussure. Pour des raisons de simplification, une seule partie dentée 15 d'un strap arrière de fixation de chaussure est représentée sur les figures. Toutefois, le dispositif de fixation de chaussure comprend deux strap de fixation similaires à ceux de la figure 1, chacun relié à une aile latérale ou à l'embase du dispositif de fixation de chaussure, dont seule la partie dentée 15 est représentée, de sorte de venir fixer et serrer le dessus d'une chaussure en configuration de chaussage.The Figures 2 to 4 illustrate a first embodiment of the invention in which a braking device is mounted on a snowboard boot binding device. This shoe attachment device comprises, in a known manner, a base 11 intended to receive the support of the sole of a boot, two lateral wings 12 extended rearwardly by a bow 13 supporting a rear support element 14 intended for receive the back support of the shoe. For reasons of simplification, only one toothed portion 15 of a shoe attachment back strap is shown in the figures. However, the device shoe attachment includes two attachment straps similar to those of the figure 1 , each connected to a side wing or to the base of the shoe attachment device, of which only the toothed portion 15 is shown, so as to fix and tighten the top of a shoe in donning configuration.

Le dispositif de freinage selon le premier mode d'exécution de l'invention comprend une embase 20 de forme triangulaire, qui est mobile à la manière d'une bascule comme cela sera explicité ci-dessous, que nous appellerons plus simplement bascule, comprenant aux abords d'un premier angle un moyen de liaison 21 avec la partie latérale du dispositif de fixation de chaussure, aux abords d'un second angle un moyen de liaison 22 avec l'extrémité du strap 15 de fixation de chaussure, et aux abords d'un troisième angle, un frein allongé 24 fixé par un moyen de fixation 23 à la bascule 20. Le frein 24 présente une extrémité 25 destinée à venir en contact avec la neige pour remplir une fonction de freinage, ainsi qu'une ou plusieurs arêtes latérales 26, éventuellement dentée(s) pour améliorer la fonction de freinage.The braking device according to the first embodiment of the invention comprises a base 20 of triangular shape, which is movable in the manner of a rocker as will be explained below, which we will call more simply flip-flop, comprising the at a first angle, a connecting means 21 with the lateral part of the shoe fastening device, around a second angle a connecting means 22 with the end of the shoe binding strap 15, and in the vicinity of a third angle, an elongate brake 24 fixed by a fixing means 23 to the rocker 20. The brake 24 has an end 25 intended to come into contact with the snow to fulfill a braking function, as well as one or more edges laterally 26, possibly toothed (s) to improve the braking function.

Le fonctionnement du dispositif de freinage va maintenant être expliqué. Les figures 2 et 3 représentent le dispositif de fixation de chaussure en configuration non chaussée, c'est-à-dire en l'absence d'une chaussure fixée dans le dispositif. Dans cette configuration, les strap occupent une position relevée, comme l'illustre le strap 15 arrière qui présente une orientation sensiblement verticale permettant de libérer l'espace central du dispositif de fixation de chaussure pour faciliter l'insertion d'une chaussure. Cette position relevée est obtenue volontairement par l'effet élastique du matériau utilisé pour le strap, qui retrouve naturellement sa position initiale de repos en configuration non chaussée du dispositif, voire par tout autre moyen élastique distinct.The operation of the braking device will now be explained. The figures 2 and 3 represent the shoe attachment device in non-pavement configuration, that is to say in the absence of a shoe fixed in the device. In this configuration, the straps occupy a raised position, as illustrated by the rear strap 15 which has a substantially vertical orientation to release the central space of the shoe attachment device to facilitate the insertion of a shoe. This raised position is obtained voluntarily by the elastic effect of the material used for the strap, which naturally returns to its original rest position in non-pavement configuration of the device, or by any other separate elastic means.

La figure 4 présente le dispositif en position chaussée. En phase de chaussage, les deux parties de strap dont la partie dentée 15 représentée sont approchées au-dessus d'une chaussure, non représentée, pour les fixer l'une à l'autre puis effectuer un serrage de la surface supérieure de la chaussure, à l'aide d'une boucle de serrage. Dans cette opération, le strap 15 subit une rotation vers l'avant par rapport au dispositif de fixation de chaussure lors de l'engagement de la partie dentée dans la boucle de serrage, cette opération d'accostage du strap dans la boucle s'appelant généralement fermeture du dispositif de fixation. Ensuite, l'opération de serrage génère une force de traction F importante sur le strap, qui maintient le frein 24 dans sa position de non freinage.The figure 4 presents the device in pavement position. In the boot phase, the two strap portions, the toothed portion 15 shown, are approached above a shoe, not shown, to fasten them to one another and then tighten the upper surface of the shoe. , using a clamping loop. In this operation, the strap 15 is rotated forwards with respect to the shoe attachment device during the engagement of the toothed part in the tightening loop, this docking operation of the strap in the loop called generally closure of the fastening device. Then, the clamping operation generates a large traction force F on the strap, which holds the brake 24 in its non-braking position.

La bascule 20 du dispositif de freinage est montée mobile en rotation autour de son axe 21 de liaison sur l'arceau 13 du dispositif de fixation de chaussure, c'est-à-dire autour d'un axe transversal sensiblement perpendiculaire à l'aile 12 du dispositif de fixation de chaussure. Un ressort de torsion, non représenté, agit sur cet axe de sorte de tendre au positionnement du frein en position de freinage. Ainsi, en l'absence de chaussure dans le dispositif de fixation ou même dès le desserrage et l'ouverture de la boucle de serrage du strap sur une chaussure, ce ressort provoque le positionnement automatique et stable du frein en position de freinage. Inversement, le chaussage d'une chaussure s'accompagne d'une rotation du strap 15, comme cela a été explicité ci-dessus, qui induit la rotation de la bascule 20 qui effectue alors une rotation d'un quart de tour autour de l'axe 21, en s'opposant à l'effort du ressort. Ainsi, le strap 15 transmet un moment de rotation à la bascule qui amène son axe de liaison 22 de sa position initiale, à l'arrière de l'axe de rotation 21 de manière sensiblement parallèle à l'arceau 13, vers une position au-dessus de cet axe 21. Cette rotation entraîne dans le même temps la rotation d'un quart de tour du frein 24 lié à la bascule 20, ce qui permet de le déplacer de sa position initiale de freinage sensiblement verticale orientée vers le bas, telle qu'illustrée sur les figures 2 et 3, vers sa position de non freinage, sensiblement alignée à l'aile 12 ou l'arceau 13, telle que représentée sur la figure 4.The rocker 20 of the braking device is rotatably mounted about its axis 21 of connection on the arch 13 of the shoe attachment device, that is to say around a transverse axis substantially perpendicular to the wing 12 of the shoe fastening device. A torsion spring, not shown, acts on this axis so as to tend to the positioning of the brake in the braking position. Thus, in the absence of a shoe in the fastening device or even upon loosening and opening of the buckle clamping strap on a shoe, this spring causes the automatic and stable positioning of the brake in the braking position. Conversely, the boot of a shoe is accompanied by a rotation of the strap 15, as has been explained above, which induces the rotation of the rocker 20 which then rotates a quarter of a turn around the 21 axis, opposing the spring force. Thus, the strap 15 transmits a moment of rotation to the rocker which brings its connecting pin 22 from its initial position, to the rear of the axis of rotation 21 substantially parallel to the hoop 13, to a position at above this axis 21. At the same time, this rotation causes the rotation of a quarter turn of the brake 24 connected to the rocker 20, which allows to move it from its initial position braking substantially vertical downward, as shown in the figures 2 and 3 towards its non-braking position substantially aligned with the wing 12 or the bow 13 as shown in FIG. figure 4 .

Les figures 5 et 6 illustrent une variante de ce premier mode d'exécution dans laquelle une bascule 20' toujours montée mobile en rotation autour d'un axe 21' par rapport à l'arceau latéral 13' du dispositif de fixation présente une forme légèrement différente, et une liaison différente avec un strap 15' et un frein 24'. Le passage de la position de freinage, illustrée par la figure 5, à la position de non freinage, illustrée par la figure 6, se fait par une rotation de presque un demi tour de la bascule 20', permettant le positionnement du frein en position sensiblement verticale, alignée avec un côté latéral de l'élément d'appui arrière 14', en position de non freinage. Cette géométrie de non freinage permet de ne pas encombrer le dispositif de fixation et d'atteindre un aspect esthétique attrayant. Bien entendu, le frein pourrait occuper en variante toute position dans laquelle il est suffisamment relevé pour ne plus entrer en contact avec le sol lors de la pratique du surf et la bascule peut présenter tout mouvement de rotation d'au moins un quart de tour.The Figures 5 and 6 illustrate a variant of this first embodiment in which a rocker 20 'always mounted rotatably about an axis 21' with respect to the lateral arch 13 'of the fixing device has a slightly different shape, and a connection different with a strap 15 'and a brake 24'. The passage of the braking position, illustrated by the figure 5 , at the non-braking position, illustrated by the figure 6 , is done by a rotation of almost a half turn of the rocker 20 ', allowing the positioning of the brake in substantially vertical position, aligned with a lateral side of the rear support element 14', in the non-braking position. This geometry of non-braking makes it possible not to encumber the fixing device and to achieve an attractive aesthetic appearance. Of course, the brake could alternatively occupy any position in which it is sufficiently raised to not come into contact with the ground during the practice of surfing and the rocker can have any rotational movement of at least a quarter turn.

Ce premier mode d'exécution a été illustré avec un frein 24, 24' distinct de la bascule 20, 20'. En variante équivalente, ces deux éléments pourraient ne former qu'une seule pièce. Selon encore une autre variante, la liaison entre ces deux éléments distincts pourrait permettre une mobilité respective, entre le passage de la position de freinage au non freinage.This first embodiment has been illustrated with a brake 24, 24 'separate from the rocker 20, 20'. Alternatively equivalent, these two elements could form a single piece. According to yet another variant, the connection between these two distinct elements could allow a respective mobility between the transition from the braking position to the non-braking.

Dans ce premier mode d'exécution, la bascule représente un moyen de commande du frein 24, 24'.In this first embodiment, the latch represents a brake control means 24, 24 '.

Les figures 7 à 11 illustrent un second mode d'exécution de l'invention. Dans ce second mode d'exécution, un frein 34 reste lié au strap 15 arrière du dispositif de fixation de chaussure, par l'intermédiaire d'un moyen de commande plus complexe comprenant notamment une biellette 39.The Figures 7 to 11 illustrate a second embodiment of the invention. In this second embodiment, a brake 34 remains connected to the rear strap 15 of the shoe attachment device, via a more complex control means comprising in particular a rod 39.

Le dispositif de freinage de ce second mode d'exécution est aussi monté au niveau de l'arceau 13 du dispositif de fixation de chaussure, aux abords d'une aile 12. II comprend une embase 30 fixée à l'arceau 13 par l'intermédiaire d'une plaque plane 31, qui lui sert de support. L'embase 30 s'étend ainsi perpendiculairement à l'arceau, dans une direction sensiblement transversale y. Elle présente une ouverture cylindrique 36 au travers de laquelle s'étend un axe 33 dans une direction sensiblement longitudinale, relié dans sa partie arrière au frein 34 et dans sa partie antérieure à un mécanisme de type biellette. Une pièce de liaison 37 comprend une première extrémité liée à la partie inférieure du strap 15, selon une liaison 32 lui autorisant une rotation, et une seconde extrémité liée à un axe 38 lui-même relié à une première extrémité d'une biellette 39. La seconde extrémité de la biellette 39 est reliée à l'axe 33 du frein 34. Ce dernier est soumis à un effort de rappel par un ressort de torsion non représenté, aménagé entre l'embase 30 et l'axe 33, qui tend à positionner le frein en position de freinage. En remarque, pour améliorer la fiabilité et la solidité du mécanisme, la fonction de biellette est en fait remplie par deux biellettes 39, 39' parallèles disposées aux extrémités de l'axe intermédiaire 38.The braking device of this second embodiment is also mounted at the level of the arch 13 of the shoe attachment device, near a wing 12. It comprises a base 30 fixed to the hoop 13 by the intermediate of a flat plate 31, which serves as a support. The base 30 thus extends perpendicularly to the hoop, in a substantially transverse direction y. It has a cylindrical opening 36 through which extends an axis 33 in a substantially longitudinal direction, connected in its rear portion to the brake 34 and in its front part to a rod type mechanism. A connecting piece 37 comprises a first end connected to the lower part of the strap 15, according to a link 32 allowing it to rotate, and a second end connected to an axis 38 itself connected to a first end of a link 39. The second end of the rod 39 is connected to the axis 33 of the brake 34. The latter is subjected to a return force by a torsion spring not shown, arranged between the base 30 and the axis 33, which tends to position the brake in the braking position. As a remark, to improve the reliability and the strength of the mechanism, the rod function is in fact filled by two parallel rods 39, 39 'arranged at the ends of the intermediate axis 38.

Le fonctionnement de ce dispositif de freinage va maintenant être expliqué. Les figures 8 et 9 représentent ce dispositif en position de non freinage, dans laquelle le frein 34 occupe une position sensiblement horizontale dans la direction transversale y, disposé à l'arrière de l'arceau 13 du dispositif de fixation de chaussure. Ce dernier se trouve dans sa configuration de fixation d'une chaussure, non représentée, dans laquelle son strap 15 serre le dessus de la chaussure pour garantir son maintien. Le strap est donc soumis à une force de traction dans cette configuration chaussée, comme cela a été explicité auparavant, qui positionne la pièce de liaison 37 dans une configuration relevée, entraînant la rotation de la biellette 39 dans une position relevée, presque verticale, par l'intermédiaire de son axe 38, comme cela est particulièrement visible sur la figure 9. Lorsque le strap est relâché de son maintien par la boucle de serrage, le ressort de torsion ramène automatiquement l'ensemble du mécanisme dans la position de freinage et le maintient dans cette position.The operation of this braking device will now be explained. The Figures 8 and 9 represent this device in the non-braking position, in which the brake 34 occupies a substantially horizontal position in the transverse direction y, disposed at the rear of the rollbar 13 of the shoe fastening device. The latter is in its attachment configuration of a shoe, not shown, in which his strap 15 tightens the top of the shoe to ensure its maintenance. The strap is therefore subjected to a traction force in this pavement configuration, as explained previously, which positions the connecting piece 37 in a raised configuration, causing the rod 39 to rotate in a raised, almost vertical position by through its axis 38, as is particularly visible on the figure 9 . When the strap is released from its holding by the clamping loop, the torsion spring automatically returns the entire mechanism in the braking position and maintains it in this position.

Les figures 10 et 11 illustrent le même dispositif de freinage dans sa position de freinage. Lorsque le strap 15 de serrage de chaussure est relâché lors de la libération d'une chaussure, il reprend sa configuration de repos dans laquelle il n'est plus soumis à un effort de traction verticale. La biellette 39 retrouve alors sa position de repos, sous l'effet d'un ressort de rappel, par une rotation d'environ un quart de tour. Dans cette position, la pièce de liaison 37 occupe une position basse. Ce changement de position de la biellette 39 entraîne la rotation de l'axe 33 d'un quart de tour, qui positionne le frein 34 en position de freinage sensiblement vertical orienté vers le bas, dans laquelle son extrémité 35 peut frotter sur la neige pour remplir la fonction de freinage d'une planche de glisse.The Figures 10 and 11 illustrate the same braking device in its braking position. When the shoe tightening strap 15 is released upon release of a shoe, it resumes its resting configuration in which it is no longer subjected to a vertical traction force. The link 39 then returns to its rest position, under the effect of a return spring, by a rotation of about a quarter turn. In this position, the connecting piece 37 occupies a low position. This change of position of the rod 39 causes the rotation of the axis 33 by a quarter turn, which positions the brake 34 in a substantially vertical downward braking position, in which its end 35 can rub on the snow to complete the braking function of a gliding board.

Dans ce mode d'exécution, le mécanisme de commande de la position du frein 34 à base d'au moins une biellette 39 permet de transformer le mouvement de translation du strap 15 entre ses deux configurations respectivement de chaussage d'une chaussure ou de non chaussage, pour transmettre un mouvement de rotation d'un quart de tour à un axe sensiblement longitudinal 33, parallèle au plan de l'aile latérale 12 du dispositif de fixation de chaussure. Le frein est donc mobile en rotation autour d'un axe longitudinal dans ce second mode d'exécution de l'invention.In this embodiment, the mechanism for controlling the position of the brake 34 based on at least one link 39 makes it possible to transform the translational movement of the strap 15 between its two configurations, respectively for booting a shoe or not. boot, to transmit a rotational movement of a quarter of a turn to a substantially longitudinal axis 33, parallel to the plane of the lateral wing 12 of the shoe fastening device. The brake is rotatable about a longitudinal axis in this second embodiment of the invention.

Les figures 12 à 15 illustrent un troisième mode d'exécution de l'invention dans lequel un dispositif de freinage est indépendant du dispositif de fixation de chaussure, mais toujours relié à un strap du dispositif de fixation de chaussure sur un surf des neiges.The Figures 12 to 15 illustrate a third embodiment of the invention in which a braking device is independent of the shoe attachment device, but still connected to a strap of the shoe attachment device on a snowboard.

Le dispositif de freinage comprend un frein 44 monté en rotation par un axe 43 disposé sur une embase 40 fixée sur une plaque de liaison 10 avec un surf des neiges au niveau de la partie antérieure d'un dispositif de fixation de chaussure et à proximité du bord du surf afin de permettre au frein de pouvoir s'étendre au-delà de la carre du surf en position de freinage. En variante, le dispositif de freinage pourrait être monté directement sur la surface d'un surf des neiges, en l'absence d'une plaque 10. Le dispositif de freinage comprend de plus une roue 45 solidaire de l'axe de rotation 43, disposée à côté du frein 44. Cette roue 45 est reliée par un câble 46, protégé par une gaine, à un strap arrière 15 du dispositif de fixation de chaussure. Au niveau de l'extrémité du strap 15, le dispositif de freinage comprend une embase 47 présentant des glissières latérales 48, fixée sur l'arceau arrière 13 du dispositif de fixation de chaussure par un moyen de fixation 41. Ces glissières latérales 48 guident une plaque 49 mobile en translation au sein de cette embase 47. Une roue 50 autour de laquelle est enroulé le câble 46, dont l'extrémité est fixée vers une extrémité inférieure de l'embase 47, est fixée à l'extrémité inférieure de cette plaque 49. L'extrémité inférieure du strap 15 est liée par un moyen de liaison 42 à la partie supérieure de cette plaque 49.The braking device comprises a brake 44 rotatably mounted by an axle 43 disposed on a base 40 fixed to a connecting plate 10 with a snowboard at the anterior portion of a shoe attachment device and close to the edge of the surf to allow the brake to extend beyond the edge of the surf in the braking position. Alternatively, the braking device could be mounted directly on the surface of a snowboard, in the absence of a plate 10. The braking device further comprises a wheel 45 integral with the axis of rotation 43, disposed adjacent the brake 44. This wheel 45 is connected by a cable 46, protected by a sheath, to a rear strap 15 of the shoe attachment device. At the end of the strap 15, the braking device comprises a base 47 having lateral slides 48, fixed on the rear arch 13 of the shoe attachment device by a fixing means 41. These lateral slides 48 guide a plate 49 movable in translation within this base 47. A wheel 50 around which is wound the cable 46, whose end is fixed towards a lower end of the base 47, is fixed to the lower end of this plate 49. The lower end of the strap 15 is connected by connecting means 42 to the upper part of this plate 49.

Le fonctionnement de ce dispositif de freinage va maintenant être explicité.The operation of this braking device will now be explained.

Les figures 12 et 13 représentent le frein 44 en position de non freinage, correspondant à la position du strap 15 en configuration de serrage d'une chaussure de sport non représentée. Dans cette configuration, une force de traction est exercée sur le strap 15 qui induit le positionnement en position haute de la plaque mobile 49. Cette position haute entraîne une traction sur le câble 46, transmise à la roue 45 pour maintenir le frein 44 dans sa position de non freinage. Lors de la libération d'une chaussure, le strap 15 est libéré de son effort, et libère de même l'effort exercé sur le câble 46. La roue 45 est alors libre d'effectuer une rotation sous l'effet d'un ressort de rappel non représenté qui entraîne la rotation de l'axe 43 et donc du frein 44 solidaire dans sa position de freinage, représentée sur la figure 15. Cette rotation a pour amplitude environ trois quarts de tour. Dans cette position de freinage, la plaque 49 occupe sa position basse au sein des glissières 48. Cette plaque entraîne le câble 46 autour de la roue 50, ce qui a pour fonction d'amplifier le seul débattement du strap 15 entre les deux configurations qu'il occupe, afin de transmettre une amplitude de mouvement plus importante au câble 46. La roue 50 permet aussi d'éviter les frottements lors de ces mouvements. En variante, le câble pourrait être monté sur l'embase 47 sans utiliser une roue intermédiaire 50.The Figures 12 and 13 represent the brake 44 in the non-braking position, corresponding to the position of the strap 15 in the tightening configuration of a sports shoe not shown. In this configuration, a pulling force is exerted on the strap 15 which induces the positioning in the high position of the movable plate 49. This high position causes traction on the cable 46, transmitted to the wheel 45 to maintain the brake 44 in its seat. non-braking position. During the release of a shoe, the strap 15 is released from its force, and likewise releases the force exerted on the cable 46. The wheel 45 is then free to rotate under the effect of a spring not shown return which causes the rotation of the axis 43 and therefore of the brake 44 integral in its braking position, shown on the figure 15 . This rotation is about three-quarters of a turn. In this braking position, the plate 49 occupies its low position within the slideways 48. This plate drives the cable 46 around the wheel 50, the function of which is to amplify the sole movement of the strap 15 between the two configurations which it occupies, in order to transmit a greater range of motion to the cable 46. The wheel 50 also prevents friction during these movements. Alternatively, the cable could be mounted on the base 47 without using an intermediate wheel 50.

Inversement, le chaussage d'une chaussure sur le dispositif de fixation va entraîner le repositionnement automatique du frein 44 en position de non freinage, sous le seul effet de la traction du strap 15 lors de sa fixation sur la chaussure, le câble 46 transmettant cet effort à la roue 45 dont le diamètre est déterminé pour lui permettre d'exercer un moment suffisant pour mettre en mouvement l'axe de rotation 43 à l'encontre de l'effort inverse exercé par le ressort de rappel.Conversely, the boot of a shoe on the fastener will cause the automatic repositioning of the brake 44 in the non-braking position, under the sole effect of the traction of the strap 15 when attached to the shoe, the cable 46 transmitting this force to the wheel 45 whose diameter is determined to allow it to exercise a sufficient moment to move the axis of rotation 43 against the reverse force exerted by the return spring.

Dans ce troisième mode d'exécution, le moyen de commande du frein 44 comprend donc essentiellement un câble 46 et accessoirement, au niveau du strap 15, une plaque 49 mobile en translation dans des glissières 48, et au niveau du frein 44, une roue 45 solidaire de l'axe de rotation du frein.In this third embodiment, the brake control means 44 thus essentially comprises a cable 46 and incidentally, at the strap 15, a plate 49 movable in translation in the slideways 48, and at the brake 44, a wheel 45 integral with the axis of rotation of the brake.

Le concept de l'invention, tel qu'implémenté par les modes d'exécution décrits précédemment, permet d'obtenir un dispositif de freinage présentant les avantages suivants :

  • il permet de lier très simplement le mouvement d'un frein au débattement d'un strap de fixation de chaussure entre ses deux configurations de fixation et de non fixation d'une chaussure, sans besoin d'une manipulation additionnelle aux manipulations habituelles du dispositif de fixation de chaussure pour attacher et détacher une chaussure. ;
  • il permet le passage automatique de la position de freinage à la position de non freinage et inversement, ce qui représente un fonctionnement très convivial puisqu'il ne nécessite pas l'intervention manuelle additionnelle spécifique d'un utilisateur ;
  • il est simple et représente un faible encombrement ;
  • il est adapté à un dispositif de fixation de chaussure existant et peut même être ajouté sur des dispositifs déjà montés sur des planches de glisse et non équipés d'un dispositif de freinage. Pour cela, le dispositif de freinage peut se présenter sous la forme d'un kit de freinage à monter sur une planche de glisse et à relier à un dispositif de fixation de chaussure. L'organe de commande du frein peut simplement et facilement être monté à l'emplacement existant au niveau de la solidarisation entre un strap sur l'embase ou une aile latérale.
The concept of the invention, as implemented by the embodiments described above, provides a braking device having the following advantages:
  • it makes it possible to very simply link the movement of a brake to the movement of a shoe binding strap between its two configurations of attachment and non-attachment of a shoe, without the need for additional manipulation to the usual manipulations of the device. shoe binding for attaching and detaching a shoe. ;
  • it allows the automatic transition from the braking position to the non-braking position and vice versa, which represents a very user-friendly operation since it does not require the additional manual intervention specific to a user;
  • it is simple and represents a small footprint;
  • it is adapted to an existing shoe binding device and can even be added to devices already mounted on gliding boards and not equipped with a braking device. For this, the braking device may be in the form of a brake kit to be mounted on a gliding board and to connect to a shoe attachment device. The brake control member can simply and easily be mounted at the existing location at the level of the connection between a strap on the base or a side wing.

Dans le cas du surf des neiges, le dispositif de freinage a été adapté pour un surf équipé de dispositif de fixation de chaussure de type « à strap », comme cela a été illustré et décrit. Toutefois, l'invention reste compatible avec un dispositif de fixation différent, de type step-in. II suffit dans ce cas d'ajouter un strap dont la fonction serait essentiellement la mise en oeuvre de la fonction de freinage. De plus, elle a été illustrée dans le cas d'un dispositif de fixation de chaussure présentant une embase, deux ailes latérales et un arceau arrière distinct. Elle reste naturellement valable pour d'autres configurations de dispositifs de fixation, notamment dans le cas ou l'aile et l'arceau arrière ne forment qu'un seul élément monolithique par exemple.In the case of snowboarding, the braking device has been adapted for a surf equipped with "strap type" shoe binding device, as has been illustrated and described. However, the invention remains compatible with a different mounting device, step-in type. It suffices in this case to add a strap whose function is essentially the implementation of the braking function. In addition, it has been illustrated in the case of a shoe attachment device having a base, two side wings and a separate rear arch. It remains naturally valid for other configurations of fasteners, especially in the case where the wing and the rear arch form a single monolithic element for example.

Naturellement, l'invention ne se limite pas aux modes d'exécution décrits. Notamment, tout moyen de commande pourrait être mis en oeuvre pour lier le mouvement du frein au mouvement restreint d'un strap de fixation de chaussure d'un dispositif de fixation, permettant le passage automatique de la position de freinage du frein en position de non freinage. La commande a été illustrée comme entraînant un frein en rotation, selon une rotation d'un, deux ou trois quarts de tour. En variante, cette rotation peut présenter d'autres valeurs, voire le mouvement du frein pourrait être différent d'une rotation. Dans les modes d'exécution décrits, la commande du frein pour son passage de la position de freinage à celle de non freinage est avantageusement obtenue par une force de traction exercée en entrée du moyen de commande, suite à la traction exercée sur un strap de fixation lors du chaussage d'une chaussure. En variante toutefois, le mécanisme pourrait être inversé, une force de poussée et non de traction provoquant alors ce passage du frein de sa position de freinage à celle de non freinage.Naturally, the invention is not limited to the embodiments described. In particular, any control means could be implemented to link the movement of the brake to the restricted movement of a shoe attachment strap of a fastening device, allowing the automatic passage of the braking position of the brake to the position of no. braking. The control has been illustrated as causing a rotation brake, rotating one, two or three quarters of a turn. Alternatively, this rotation may have other values, or the movement of the brake could be different from a rotation. In the embodiments described, the control of the brake for its passage from the braking position to the non-braking position is advantageously obtained by a traction force exerted at the input of the control means, following the tension exerted on a strap of fastening when putting on a shoe. Alternatively, however, the mechanism could be reversed, a force of pushing and not traction then causing this passage of the brake from its braking position to that of non-braking.

De plus, le frein peut prendre toute autre forme que celles illustrées à titre d'exemple et peut se trouver dans différents matériaux, par exemple un plastique rigide et/ou en métal. Le dispositif de freinage peut être lié au strap avant ou tout strap. Enfin, le dispositif de freinage a été illustré dans le cadre d'une implémentation pour un surf de neige. Il pourrait aussi être utilisé pour toute autre planche de glisse. Un seul dispositif de freinage peut être disposé sur une planche de glisse, en liaison avec un seul des deux dispositifs de fixation de chaussure, par exemple celui concernant le pied avant pour le surf des neiges pour permettre la libération du pied arrière pour la pratique de la marche de type « trottinette » dans certaines phases où la pente n'est pas suffisante pour la glisse. En variante, plusieurs dispositifs de freinage peuvent être envisagés pour une même planche de glisse.In addition, the brake may take any other form than those illustrated by way of example and may be in different materials, for example a rigid plastic and / or metal. The braking device can be linked to the front strap or any strap. Finally, the braking device has been illustrated as part of an implementation for snowboarding. It could also be used for any other boards. A single braking device can be arranged on a gliding board, in connection with only one of the two shoe attachment devices, for example that concerning the front foot for snowboarding to allow the release of the rear foot for the practice of the "scooter" type of walking in certain phases where the slope is not sufficient for sliding. Alternatively, several braking devices can be envisaged for the same board of gliding.

Claims (16)

  1. A braking device for a board for gliding, comprising a brake (24, 34, 44) that can occupy a first, braking position, in which it occupies a low position capable of entering into friction with the ground, and a second, non-braking position, in which it occupies a raised position, and comprising a means for controlling the position of the brake, characterized in that the means for controlling the position of the brake comprises a link means (22; 32; 42) adapted for a link with a strap of a boot binding on a board for gliding, such that the means for controlling the brake lead to the automatic positioning, in the non-braking position, of the brake upon closing and/or tightening of a strap on a boot.
  2. The braking device for a board for gliding as claimed in claim 1, characterized in that the means for controlling the position of the brake comprises a rocker (20) that can move in rotation, the rocker comprising a link with the brake (24) and a link means (22) adapted for a link with a strap of a boot binding on a board for gliding.
  3. The braking device for a board for gliding as claimed in claim 1, characterized in that the means for controlling the position of the brake comprises at least one connecting rod (39), one end of which is adapted for a link (32, 37, 38) with a strap of a boot binding on the board for gliding and another end of which is linked to a rotation pin (33) of the brake (34).
  4. The braking device for a board for gliding as claimed in claim 1, characterized in that the means for controlling the position of the brake comprises a cable (46), one end of which is linked (43, 45) to the brake (44) and another end of which is suitable for a link with a strap of a boot binding on the board for gliding.
  5. The braking device for a board for gliding as claimed in the previous claim, characterized in that the brake (44) is mounted in rotation about a pin (43) mounted in rotation on a base piece (40), and in that an end of the cable (46) is linked to a wheel (45) integral with the rotation pin (43).
  6. The braking device for a board for gliding as claimed in claim 4 or 5, characterized in that an end of the cable (46) is linked to a plate (49) that can move in translation, which comprises a means (42) for linking with a strap.
  7. The braking device for a board for gliding as claimed in one of previous claims, characterized in that the means for controlling is adapted to the automatic positioning, in the non-braking position, of the brake through a force exerted on the link means (22; 32; 42) adapted for a link with a strap of a boot binding on a board for gliding.
  8. A sports boot binding on a board for gliding, characterized in that it comprises a braking device as claimed in one of previous claims.
  9. The sports boot binding on a board for gliding as claimed in the previous claim, characterized in that the means for controlling the position of the brake of the braking device is linked to a boot-fastening strap of the boot binding on the board for gliding, such that the means for controlling the position of the brake leads to the automatic positioning, in the non-braking position, of the brake upon closure and tightening of the strap on a boot and, conversely, the automatic positioning, in the braking position, of the brake upon opening of the strap for release of the boot through the force of a return spring.
  10. The sports boot binding on a board for gliding as claimed in claim 8 or 9, characterized in that it comprises a rocker (20) mounted in rotation on a lateral part of the boot binding about a pin (21), the end of a boot-fastening strap (15) being mounted on the rocker (20) by a second pin (22) positioned behind the rotation pin (21) of the rocker (20).
  11. The sports boot binding on a board for gliding as claimed in previous claim, characterized in that, in a configuration in which the boot is fastened to the board for gliding, the brake (24) occupies a position substantially parallel to the bail (13) or wing (12) or in that the brake (24') is substantially parallel to a lateral side of a rear support element (14').
  12. The sports boot binding on a board for gliding as claimed in previous claim, characterized in that the brake (24) is mounted securely on the rocker (20) and is thus movable in rotation about a transverse pin (21) relative to the boot binding.
  13. The sports boot binding on a board for gliding as claimed in claim 8 or 9, characterized in that it comprises a connecting rod (39), a first end of which is linked (38) to a fastening strap (15) and a second end of which is linked to a rotation pin (33) of the brake (34), this pin (33) being mounted so as to be movable in rotation within a base piece (30) in a substantially longitudinal direction.
  14. The sports boot binding on a board for gilding as claimed in one of claims 8 to 13, characterized in that the brake (24; 34) is driven in a rotational movement of substantially a quarter turn relative to a base piece of the boot binding.
  15. The sports boot binding on a board for gliding as claimed in claim 8 or 9, characterized in that it comprises a cable (46) connected, on the one hand, to a rotation pin (43) of a brake (44) mounted in rotation on a base piece (40), and, on the other, to a plate (49) linked to the end of a boot-fastening strap (15) and movable in translation relative to the base piece of the boot binding.
  16. A board for gliding, characterized in that it comprises a braking device as claimed in one of claims 1 to 7.
EP10191317.6A 2009-11-17 2010-11-16 Braking device for a snowboard Active EP2322255B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0958118A FR2952546B1 (en) 2009-11-17 2009-11-17 BRAKE BOARD BRAKING DEVICE

Publications (2)

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EP2322255A1 EP2322255A1 (en) 2011-05-18
EP2322255B1 true EP2322255B1 (en) 2014-11-05

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US (1) US8646800B2 (en)
EP (1) EP2322255B1 (en)
FR (1) FR2952546B1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6060465B1 (en) * 2015-07-24 2017-01-18 株式会社 ネオスノーレンタル Snowboard binding
TWI698268B (en) * 2019-11-19 2020-07-11 李乃欣 Snowboard binding

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Publication number Priority date Publication date Assignee Title
US3930659A (en) * 1973-06-29 1976-01-06 S.A. Francois Salomon & Fils Ski brake
US3918730A (en) * 1974-11-29 1975-11-11 Olin Corp Ski stopper
FR2305206A1 (en) * 1975-03-25 1976-10-22 Salomon & Fils F SKI BRAKE
US4039204A (en) * 1976-03-04 1977-08-02 Max Frey Ski stop with strap release
DE3048175A1 (en) * 1980-12-19 1982-07-22 Heinrich Wunder GmbH & Co KG, 8060 Dachau TOUR BINDING WITH SKISTOPPER
FR2508805A1 (en) * 1981-07-06 1983-01-07 Blanchemain Alain Heel clamp for ski - has pivoting blades to aid ascent held together by rods and retained on ski by collars
DE3433504A1 (en) * 1984-09-12 1986-03-20 Erwin 8391 Hinterschmiding Stockinger Ski brake
US5207438A (en) * 1991-12-09 1993-05-04 Gary Landers Brake for in line skate
US6053511A (en) * 1997-12-11 2000-04-25 Intengan; Franklin Sanchez Non-postural change two feet braking for roller skates
FR2838977B1 (en) 2002-04-30 2004-12-31 Rossignol Sa ATTACHMENT OF SURFBOARD WITH READING WINDOW
AUPS202702A0 (en) * 2002-04-30 2002-06-06 Powder Design Pty. Ltd. Brake for snowboard ski sled or the like
US6877759B2 (en) * 2002-08-27 2005-04-12 Louis Dandurand Ski binding
US20070075524A1 (en) * 2003-09-08 2007-04-05 Kelly David A Snowboard brake
WO2009075837A1 (en) 2007-12-10 2009-06-18 The Burton Corporation Snowboard brake

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FR2952546B1 (en) 2011-12-09
FR2952546A1 (en) 2011-05-20
US20110115197A1 (en) 2011-05-19
EP2322255A1 (en) 2011-05-18
US8646800B2 (en) 2014-02-11

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