EP0858818A1 - Binding device for a boot on a snowboard with back support element - Google Patents

Binding device for a boot on a snowboard with back support element Download PDF

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Publication number
EP0858818A1
EP0858818A1 EP98102469A EP98102469A EP0858818A1 EP 0858818 A1 EP0858818 A1 EP 0858818A1 EP 98102469 A EP98102469 A EP 98102469A EP 98102469 A EP98102469 A EP 98102469A EP 0858818 A1 EP0858818 A1 EP 0858818A1
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EP
European Patent Office
Prior art keywords
support element
back support
base
retaining device
intermediate part
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP98102469A
Other languages
German (de)
French (fr)
Inventor
Christian Challande
Cédric Ragot
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.)
Salomon SAS
Original Assignee
Salomon SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Salomon SAS filed Critical Salomon SAS
Publication of EP0858818A1 publication Critical patent/EP0858818A1/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C10/00—Snowboard bindings
    • A63C10/24—Calf or heel supports, e.g. adjustable high back or heel loops
    • 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
    • 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 present invention relates to a retaining device a shoe on a board. It concerns more particularly the area of snowboarding.
  • feet of a user are joined to a board in a substantially transverse position relative to the direction longitudinal of the board.
  • Shoes and devices restraining shoes on the board must offer the user sufficient comfort, and allow him a correct board handling in all circumstances.
  • each restraint allows the user to take a support towards the back with the lower leg, especially when cornering where his back is facing the slope.
  • the prior art has proposed retaining devices for a soft shoe that allow the user to flex the leg forward or to the sides, while giving it a sufficient back support.
  • the French application registered under number 96 04147 discloses a device comprising a base extended backwards by a heel support portion, a back support element being articulated on the support portion heel along an axis contained in a median vertical plane of the base.
  • This device includes an elastic return means which elastically opposes the inclination of the support element dorsal on one of the lateral sides of the device by rotation around the axis during the tilting of a shoe retained on the base.
  • the device according to the request registered under number 96 04147 is very satisfied with the help he gives to the user for snowboarding, especially regarding user safety.
  • this device does not allow the support element dorsal to follow perfectly the movements of the lower leg of the user especially in a lateral tilting direction because the structure of the ankle joint leads to movements of complex bones different from a simple rotation around an axis.
  • this device is relatively complex and expensive to manufacture.
  • the object of the invention is to remedy the drawbacks of this
  • the invention provides a retaining device a shoe on a sliding board intended for practice snowboarding, the device comprising a base intended to receive the sole of the shoe, and a support element dorsal on which is intended to rest the rod of the shoe, a raised portion of heel support extending the base upwards at the rear of the device, the element back support comprising an upper part and a lower part connected to the base, the upper and lower parts being relatively rigid.
  • the device according to the invention is characterized by the fact that a deformable intermediate part of the support element dorsal is located between the upper and lower parts, the part intermediate allowing an inclination of the upper part by relative to the lower part in at least one direction transverse of the device.
  • the deformable intermediate part allows the element dorsal support to faithfully follow the movements of the bottom of leg versus foot. This is why the support element dorsal does not rub on the shoe or on the lower leg. he advantageously follows that the driving of the board is more easy.
  • the device is also characterized in that the deformable intermediate part comprises at least one rib, which serves to stiffen the back support element in a longitudinal direction of the foot. The user can therefore take backward support for edge grips.
  • the device is preferably characterized by the fact that the deformable intermediate part includes five ribs delimiting spaces. This structure improves the ability of the back support element to follow the tilt movements side of the user's legs.
  • the device is characterized by the makes the ratio of the width of a rib to the thickness of the same rib is greater than or equal to five. This structure offers a good compromise between rear stiffness and lateral flexibility of the back support element.
  • the device is also characterized by the fact that two juxtaposed ribs have opposite faces forming an angle between zero and eight degrees.
  • the angle of the faces facilitates the evacuation of snow when the back support element deforms laterally.
  • the device is preferably characterized by the fact that the back support element is in one piece, making it simple structure.
  • the device is also characterized by the fact that the back support element is made of plastic material, which allows a reduction in manufacturing costs.
  • the device is characterized by the fact that at least one space of the part deformable intermediate of the back support element is filled partly at least by a material different from the material constituting the back support element. This allows you to adjust symmetrically or not the ability to lateral deformation of the back support element.
  • the device is characterized by the fact that the back support element is articulated on the base along an axis substantially transverse of the device. So the user can fold up its equipment to store it.
  • the device is characterized in that the raised heel support portion limits any movement of the back support element along the axis in an anteroposterior direction. It follows that the user can flex the legs forward and take rigid supports toward the back.
  • a retaining means 1 shown in Figure 1 comprises a base 2, a back support element 3, and retaining means of a shoe on the base 2.
  • the means of retaining the shoe are represented here, in a known manner, in the form strips 4, 5 adjustable in length, secured to the base 2 by securing means such as pivots.
  • Figure 1 shows two pivots 6, 7 on one side of the base 2, two other pivots being located on the other side of base 2.
  • the shoe is retained by the strips 4, 5 on an upper face 8 of the base 2.
  • Lateral edges 9, 10 of the base 2 retain the shoe in a substantially transverse direction of the device 1, the lateral edges 9, 10 accommodating the means of connection between the straps 4, 5 and the base 2.
  • transverse direction of the device 1 must be understood to be a direction substantially perpendicular to a longitudinal plane of the shoe in place on the base 2. It follows that the transverse direction of the device 1 is also substantially perpendicular to the edges 9, 10 of base 2.
  • a raised portion 11 of heel support extends the base 2 upwards at the rear of the device 1, forming an arch between the lateral edges 9, 10 of the base 2.
  • Articulation means made for example under the form of pivots, connect the base 2 and the back support element 3.
  • a pivot 12 visible in FIG. 1 and another pivot not visible in this same figure allow, in known manner, the articulation of the base 2 relative to the support element dorsal 3.
  • Each pivot is oriented along an axis substantially parallel to the transverse direction of the device 1.
  • the back support element 3 can pivot towards the front of the device 1, so that an upper part 13 of the back support element 3 approaches the straps 4, 5 and the upper face 8 of the base 2. This characteristic allows for example the user to reduce the size of the device 1 for storing it.
  • the device 1 also allows the user to tilt the leg on the sides, in lateral bending movements, or complex flexion both front and side.
  • an intermediate part 15 is disposed between the part upper 13 and lower part 14 of the back support element 3.
  • Figures 1 to 3 correspond to a first mode of realization of the device 1.
  • the element back support 3 is shown in the form of a part monobloc.
  • the upper 13, intermediate 15 and lower 14 parts form a part obtained for example by injection of material plastic, armed or not.
  • the upper part 13 has the shape of a relatively rigid shell in all directions, reinforcements 16, 17, 18 allowing in particular at the lower leg to press without bending the upper part 13.
  • the lower part 14 of form complementary to that of the heel support portion 11, comprises reinforcements 19, 20 serving to stiffen the lower part 14.
  • the intermediate part 15 is constituted by a set of ribs 21, 22, 23, 24, 25 connecting the parts together high 13 and low 14.
  • Each of the ribs 21, 22, 23, 24, 25 has a width measured in the longitudinal direction of the device 1 when the back support element 3 is in contact with the heel support portion 11.
  • a width 1 is shown at the Figure 1 for rib 21.
  • Figure 2 is a rear view of the back support element 3 alone, on which the upper 13, lower 14 parts appear and intermediate 15, as well as the ribs 21, 22, 23, 24, 25.
  • the respective thicknesses of the ribs 21, 22, 23, 24, 25 are represented by the references e1, e2, e3, e4 and e5.
  • the back support element 3 is in a equilibrium position obtained in the absence of stress transverse through the user's lower leg.
  • the ribs 21, 22, 23, 24, 25 delimit spaces 26, 27, 28, 29 which are open cavities passing through the intermediate part 15 across the width of the ribs 21, 22, 23, 24, 25.
  • the spaces 26 and 29 are symmetrical with respect to the rib central 23, as well as spaces 27 and 28.
  • the central rib 23 flexes in the direction inclination of the lower leg, and the other ribs 21, 22, 24, 25 are deformed so that the upper part 13 follows the lower leg movement.
  • the ribs 21 and 22 are stretched, while the ribs 24 and 25 are compressed.
  • the deformations of the ribs 21, 22, 23, 24, 25 are possible because the spaces 26, 27, 28, 29 give the ribs 21, 22, 23, 24, 25 sufficient space to deform.
  • the thicknesses e1, e2, e3, e4 and e5 of the ribs 21, 22, 23, 24, 25 are sufficiently reduced to allow reversible deformations without breaking the material, and the widths of the ribs 21, 22, 23, 24, 25 are large enough to avoid or severely limit a deformation of the intermediate part 15 in one direction substantially parallel to the longitudinal plane of the shoe.
  • the back support element 3 deforms in proportion to the transverse movements of the lower leg to faithfully follow the movements of the latter. Indeed, the deformations of the ribs 21, 22, 23, 24, 25 do not define not a precise axis of rotation, but rather an infinity of axes related to the complexity of the user's ankle.
  • the transverse deformations of the intermediate part 15 of the back support element 3 allow the upper part 13 to follow the lower leg by exerting on the latter an effort of reminder to the equilibrium position of figure 2.
  • the deformations of the ribs 21, 22, 23, 24, 25 are elastic deformations which are reflected technically by an accumulation of energy.
  • the materials used to make the element back support 3 are preferably polybutyleneterephthalates, polyurethanes, or polyamides implemented by injection at temperatures between 150 ° C and 300 ° C and at pressures between 10 and 200 bars.
  • the other elements of the device 1 are made with reinforced or unarmoured plastic materials, metals, fabrics, «.
  • the implementation techniques are the conventional techniques known to those skilled in the art.
  • the ribs are linked to the upper parts 13 and low 14 by any means such as gluing, embedding Or other.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The retainer (1) for a snow board boot comprises a base (2) which receives the boot sole. It also has a dorsal support (3) on which is supported the boot ankle. A portion of the heel support (11) extends from the base upwards and rearward from the device. The dorsal support part comprises relatively rigid top (13) and bottom (14) parts connected to the base. A deformable intermediate part (15) of the dorsal support is located between the top and bottom parts. This intermediate part enables the inclination of the top part relative to the bottom part in a direction transverse to the device. The intermediate part includes five ribs (21,22,23,24,25) which delimit spaces (26,27,28,29).

Description

La présente invention se rapporte à un dispositif de retenue d'une chaussure sur une planche de glisse. Elle concerne plus particulièrement le domaine du surf sur neige.The present invention relates to a retaining device a shoe on a board. It concerns more particularly the area of snowboarding.

Pour la pratique du surf sur neige, ou snowboard, les pieds d'un utilisateur sont solidarisés à une planche dans une position sensiblement transversale par rapport à la direction longitudinale de la planche. Des chaussures et des dispositifs de retenue des chaussures sur la planche doivent offrir à l'utilisateur un confort suffisant, et lui permettre une conduite correcte de la planche en toutes circonstances. Afin de satisfaire ces besoins, il est souhaitable que la chaussure soit relativement souple pour que l'utilisateur puisse marcher facilement, et pour qu'il puisse fléchir les jambes vers l'avant ou sur les côtés au cours de la conduite de la planche, ou lors d'exécution de sauts ou de figures.For snowboarding or snowboarding, feet of a user are joined to a board in a substantially transverse position relative to the direction longitudinal of the board. Shoes and devices restraining shoes on the board must offer the user sufficient comfort, and allow him a correct board handling in all circumstances. In order to meet these needs, it is desirable that the shoe be relatively flexible so that the user can walk easily, and so that he can bend his legs forward or on the sides while driving the board, or when performing jumps or tricks.

Il est également souhaitable que chaque dispositif de retenue permette à l'utilisateur de prendre un appui vers l'arrière avec le bas de jambe, en particulier lors de virages où il a le dos face à la pente.It is also desirable that each restraint allows the user to take a support towards the back with the lower leg, especially when cornering where his back is facing the slope.

L'art antérieur a proposé des dispositifs de retenue d'une chaussure souple qui permettent à l'utilisateur de fléchir la jambe vers l'avant ou sur les côtés, tout en lui donnant un appui suffisant vers l'arrière.The prior art has proposed retaining devices for a soft shoe that allow the user to flex the leg forward or to the sides, while giving it a sufficient back support.

En particulier, la demande française enregistrée sous le numéro 96 04147 divulgue un dispositif comprenant une embase prolongée vers l'arrière par une portion d'appui talon, un élément d'appui dorsal étant articulé sur la portion d'appui talon selon un axe contenu dans un plan vertical médian de l'embase. Ce dispositif comprend un moyen de rappel élastique qui s'oppose élastiquement à l'inclinaison de l'élément d'appui dorsal sur l'un des côtés latéraux du dispositif par rotation autour de l'axe lors du basculement d'une chaussure retenue sur l'embase.In particular, the French application registered under number 96 04147 discloses a device comprising a base extended backwards by a heel support portion, a back support element being articulated on the support portion heel along an axis contained in a median vertical plane of the base. This device includes an elastic return means which elastically opposes the inclination of the support element dorsal on one of the lateral sides of the device by rotation around the axis during the tilting of a shoe retained on the base.

Le dispositif selon la demande enregistrée sous le numéro 96 04147 est très satisfaisant dans l'aide qu'il apporte à l'utilisateur pour la pratique du snowboard, en particulier en ce qui concerne la sécurité de l'utilisateur.The device according to the request registered under number 96 04147 is very satisfied with the help he gives to the user for snowboarding, especially regarding user safety.

Cependant ce dispositif ne permet pas à l'élément d'appui dorsal de suivre parfaitement les mouvements du bas de jambe de l'utilisateur notamment dans un sens d'inclinaison latérale, car la structure de l'articulation de la cheville entraíne des mouvements des os complexes différents d'une simple rotation autour d'un axe.However, this device does not allow the support element dorsal to follow perfectly the movements of the lower leg of the user especially in a lateral tilting direction because the structure of the ankle joint leads to movements of complex bones different from a simple rotation around an axis.

Il s'ensuit que l'élément d'appui dorsal frotte sur la chaussure ou sur le bas de jambe de l'utilisateur, provoquant ainsi une gène pour la conduite.It follows that the back support element rubs on the user's shoe or lower leg, causing thus a gene for driving.

De plus, ce dispositif est relativement complexe et coûteux à fabriquer.In addition, this device is relatively complex and expensive to manufacture.

L'invention a pour but de remédier aux inconvénients de ceThe object of the invention is to remedy the drawbacks of this

dispositif. Pour ce faire, l'invention propose un dispositif de retenue d'une chaussure sur une planche de glisse destinée à la pratique du surf sur neige, le dispositif comprenant une embase destinée à recevoir la semelle de la chaussure, et un élément d'appui dorsal sur lequel est destinée à s'appuyer la tige de la chaussure, une portion relevée d'appui talon prolongeant l'embase vers le haut à l'arrière du dispositif, l'élément d'appui dorsal comprenant une partie haute et une partie basse reliée à l'embase, les parties haute et basse étant relativement rigides.device. To do this, the invention provides a retaining device a shoe on a sliding board intended for practice snowboarding, the device comprising a base intended to receive the sole of the shoe, and a support element dorsal on which is intended to rest the rod of the shoe, a raised portion of heel support extending the base upwards at the rear of the device, the element back support comprising an upper part and a lower part connected to the base, the upper and lower parts being relatively rigid.

Le dispositif selon l'invention est caractérisé par le fait qu'une partie intermédiaire déformable de l'élément d'appui dorsal est située entre les parties haute et basse, la partie intermédiaire permettant une inclinaison de la partie haute par rapport à la partie basse selon au moins une direction transversale du dispositif.The device according to the invention is characterized by the fact that a deformable intermediate part of the support element dorsal is located between the upper and lower parts, the part intermediate allowing an inclination of the upper part by relative to the lower part in at least one direction transverse of the device.

La partie intermédiaire déformable permet à l'élément d'appui dorsal de suivre fidèlement les mouvements du bas de jambe par rapport au pied. C'est pourquoi l'élément d'appui dorsal ne frotte pas sur la chaussure ou sur le bas de jambe. Il s'ensuit avantageusement que la conduite de la planche est plus facile.The deformable intermediate part allows the element dorsal support to faithfully follow the movements of the bottom of leg versus foot. This is why the support element dorsal does not rub on the shoe or on the lower leg. he advantageously follows that the driving of the board is more easy.

Le dispositif est également caractérisé par le fait que la partie intermédiaire déformable comprend au moins une nervure, qui sert à rigidifier l'élément d'appui dorsal dans une direction longitudinale du pied. L'utilisateur peut donc prendre appui vers l'arrière pour effectuer des prises de carre.The device is also characterized in that the deformable intermediate part comprises at least one rib, which serves to stiffen the back support element in a longitudinal direction of the foot. The user can therefore take backward support for edge grips.

Le dispositif est de préférence caractérisé par le fait que la partie intermédiaire déformable comprend cinq nervures délimitant des espaces. Cette structure améliore l'aptitude de l'élément d'appui dorsal à suivre les mouvements d'inclinaison latérale des jambes de l'utilisateur.The device is preferably characterized by the fact that the deformable intermediate part includes five ribs delimiting spaces. This structure improves the ability of the back support element to follow the tilt movements side of the user's legs.

De préférence encore, le dispositif est caractérisé par le fait que le rapport de la largeur d'une nervure sur l'épaisseur d'une même nervure est supérieur ou égal à cinq. Cette structure offre un bon compromis entre la rigidité vers l'arrière et la flexibilité latérale de l'élément d'appui dorsal.More preferably, the device is characterized by the makes the ratio of the width of a rib to the thickness of the same rib is greater than or equal to five. This structure offers a good compromise between rear stiffness and lateral flexibility of the back support element.

Le dispositif est également caractérisé par le fait que deux nervures juxtaposées ont des faces en vis à vis formant un angle compris entre zéro et huit degrés.The device is also characterized by the fact that two juxtaposed ribs have opposite faces forming an angle between zero and eight degrees.

L'angle des faces facilite l'évacuation de la neige quand l'élément d'appui dorsal se déforme latéralement.The angle of the faces facilitates the evacuation of snow when the back support element deforms laterally.

Le dispositif est de préférence caractérisé par le fait que l'élément d'appui dorsal est monobloc, rendant ainsi sa structure simple.The device is preferably characterized by the fact that the back support element is in one piece, making it simple structure.

Le dispositif est aussi caractérisé par le fait que l'élément d'appui dorsal est réalisé en matériau plastique, ce qui permet une réduction des coûts de fabrication.The device is also characterized by the fact that the back support element is made of plastic material, which allows a reduction in manufacturing costs.

Selon une variante de réalisation, le dispositif est caractérisé par le fait qu'au moins un espace de la partie intermédiaire déformable de l'élément d'appui dorsal est rempli en partie au moins par un matériau différent du matériau constitutif de l'élément d'appui dorsal. Cela permet d'ajuster de façon symétrique ou non l'aptitude à la déformation latérale de l'élément d'appui dorsal.According to an alternative embodiment, the device is characterized by the fact that at least one space of the part deformable intermediate of the back support element is filled partly at least by a material different from the material constituting the back support element. This allows you to adjust symmetrically or not the ability to lateral deformation of the back support element.

D'autre part, le dispositif est caractérisé par le fait que l'élément d'appui dorsal est articulé sur l'embase selon un axe sensiblement transversal du dispositif. Ainsi, l'utilisateur peut replier son matériel pour le ranger.On the other hand, the device is characterized by the fact that the back support element is articulated on the base along an axis substantially transverse of the device. So the user can fold up its equipment to store it.

Enfin, le dispositif est caractérisé par le fait que la portion relevée d'appui talon limite tout déplacement de l'élément d'appui dorsal selon l'axe dans un sens antéro-postérieur. Il s'ensuit que l'utilisateur peut fléchir les jambes vers l'avant et prendre des appuis rigides vers l'arrière.Finally, the device is characterized in that the raised heel support portion limits any movement of the back support element along the axis in an anteroposterior direction. It follows that the user can flex the legs forward and take rigid supports toward the back.

D'autres caractéristiques et avantages de l'invention seront mieux compris à l'aide de la description qui va suivre, en regard du dessin annexé illustrant, par des exemples non limitatifs, comment l'invention peut être réalisée et dans lequel :

  • la figure 1 est une vue en perspective arrière d'un dispositif de retenue selon l'invention pour un premier mode de réalisation,
  • la figure 2 est une vue arrière de l'élément d'appui dorsal du dispositif de la figure 1 dans une position droite,
  • la figure 3 montre un exemple d'inclinaison latérale de l'élément d'appui dorsal,
  • la figure 4 est similaire à la figure 2 mais correspond à un second mode de réalisation,
  • la figure 5 montre un exemple d'inclinaison latérale de l'élément d'appui dorsal pour le second mode de réalisation.
Other characteristics and advantages of the invention will be better understood with the aid of the description which follows, with reference to the appended drawing illustrating, by non-limiting examples, how the invention can be implemented and in which:
  • FIG. 1 is a rear perspective view of a retaining device according to the invention for a first embodiment,
  • FIG. 2 is a rear view of the back support element of the device of FIG. 1 in an upright position,
  • FIG. 3 shows an example of lateral inclination of the back support element,
  • FIG. 4 is similar to FIG. 2 but corresponds to a second embodiment,
  • Figure 5 shows an example of lateral inclination of the back support element for the second embodiment.

Un moyen de retenue 1 montré à la figure 1 comprend une embase 2, un élément d'appui dorsal 3, et des moyens de retenue d'une chaussure sur l'embase 2. Les moyens de retenue de la chaussure sont représentés ici, de manière connue, sous la forme de lanières 4, 5 réglables en longueur, solidarisées à l'embase 2 par des moyens de solidarisation tels que des pivots.A retaining means 1 shown in Figure 1 comprises a base 2, a back support element 3, and retaining means of a shoe on the base 2. The means of retaining the shoe are represented here, in a known manner, in the form strips 4, 5 adjustable in length, secured to the base 2 by securing means such as pivots.

La figure 1 fait apparaítre deux pivots 6, 7 d'un côté de l'embase 2, deux autres pivots étant situés de l'autre côté de l'embase 2.Figure 1 shows two pivots 6, 7 on one side of the base 2, two other pivots being located on the other side of base 2.

La chaussure, non représentée pour des raisons de commodité, est retenue par les lanières 4, 5 sur une face supérieure 8 de l'embase 2. Des bords latéraux 9, 10 de l'embase 2 retiennent la chaussure dans une direction sensiblement transversale du dispositif 1, les bords latéraux 9, 10 accueillant les moyens de solidarisation entre les lanières 4, 5 et l'embase 2.The shoe, not shown for convenience, is retained by the strips 4, 5 on an upper face 8 of the base 2. Lateral edges 9, 10 of the base 2 retain the shoe in a substantially transverse direction of the device 1, the lateral edges 9, 10 accommodating the means of connection between the straps 4, 5 and the base 2.

Bien entendu, la direction transversale du dispositif 1 doit être comprise comme étant une direction sensiblement perpendiculaire à un plan longitudinal de la chaussure en place sur l'embase 2. Il s'ensuit que la direction transversale du dispositif 1 est aussi sensiblement perpendiculaire aux bords 9, 10 de l'embase 2. Of course, the transverse direction of the device 1 must be understood to be a direction substantially perpendicular to a longitudinal plane of the shoe in place on the base 2. It follows that the transverse direction of the device 1 is also substantially perpendicular to the edges 9, 10 of base 2.

Une portion relevée 11 d'appui talon prolonge l'embase 2 vers le haut à l'arrière du dispositif 1 en formant une arche entre les bords latéraux 9, 10 de l'embase 2.A raised portion 11 of heel support extends the base 2 upwards at the rear of the device 1, forming an arch between the lateral edges 9, 10 of the base 2.

Des moyens d'articulation, réalisés par exemple sous la forme de pivots, relient l'embase 2 et l'élément d'appui dorsal 3.Articulation means, made for example under the form of pivots, connect the base 2 and the back support element 3.

Un pivot 12 visible sur la figure 1 et un autre pivot non visible sur cette même figure permettent, de manière connue, l'articulation de l'embase 2 par rapport à l'élément d'appui dorsal 3. Chaque pivot est orienté selon un axe sensiblement parallèle à la direction transversale du dispositif 1.A pivot 12 visible in FIG. 1 and another pivot not visible in this same figure allow, in known manner, the articulation of the base 2 relative to the support element dorsal 3. Each pivot is oriented along an axis substantially parallel to the transverse direction of the device 1.

Par conséquent, l'élément d'appui dorsal 3 peut pivoter vers l'avant du dispositif 1, de façon qu'une partie haute 13 de l'élément d'appui dorsal 3 se rapproche des lanières 4, 5 et de la face supérieure 8 de l'embase 2. Cette caractéristique permet par exemple à l'utilisateur de réduire l'encombrement du dispositif 1 pour le ranger.Consequently, the back support element 3 can pivot towards the front of the device 1, so that an upper part 13 of the back support element 3 approaches the straps 4, 5 and the upper face 8 of the base 2. This characteristic allows for example the user to reduce the size of the device 1 for storing it.

De manière inverse un mouvement d'articulation vers l'arrière, c'est-à-dire dans un sens tel que la partie haute 13 de l'élément d'appui dorsal 3 s'éloigne des lanières 4, 5 et de la face supérieure 8 de l'embase 2, est possible jusqu'à une limite définie par contact entre une partie basse 14 de l'élément d'appui dorsal 3 et la portion relevée d'appui talon 11. Cette structure permet à l'utilisateur de prendre des appuis avec l'arrière du bas de jambe sur l'élément d'appui dorsal 3. L'utilisateur peut aussi librement fléchir les jambes vers l'avant.Conversely, a movement of articulation towards the rear, i.e. in a direction such as the upper part 13 the back support element 3 moves away from the straps 4, 5 and the upper face 8 of the base 2, is possible up to a limit defined by contact between a lower part 14 of the back support element 3 and the raised portion of the heel support 11. This structure allows the user to take support with the back of the lower leg on the back support element 3. The user can also freely flex the legs towards the front.

Le dispositif 1 permet également à l'utilisateur d'incliner la jambe sur les côtés, dans des mouvements de flexion latérale, ou de flexion complexe à la fois avant et latérale. Pour ce faire, une partie intermédiaire 15 est disposée entre la partie haute 13 et la partie basse 14 de l'élément d'appui dorsal 3.The device 1 also allows the user to tilt the leg on the sides, in lateral bending movements, or complex flexion both front and side. For this do, an intermediate part 15 is disposed between the part upper 13 and lower part 14 of the back support element 3.

Les figures 1 à 3 correspondent à un premier mode de réalisation du dispositif 1.Figures 1 to 3 correspond to a first mode of realization of the device 1.

Comme il apparaít sur chacune des figures 1 à 3, l'élément d'appui dorsal 3 est représenté sous la forme d'une pièce monobloc. Les parties haute 13, intermédiaire 15 et basse 14 forment une pièce obtenue par exemple par injection de matière plastique, armée ou non. La partie haute 13 a la forme d'une coquille relativement rigide dans toutes les directions, des renforts 16, 17, 18 permettant notamment au bas de jambe d'appuyer sans faire fléchir la partie haute 13.As it appears in each of Figures 1 to 3, the element back support 3 is shown in the form of a part monobloc. The upper 13, intermediate 15 and lower 14 parts form a part obtained for example by injection of material plastic, armed or not. The upper part 13 has the shape of a relatively rigid shell in all directions, reinforcements 16, 17, 18 allowing in particular at the lower leg to press without bending the upper part 13.

Dans le même esprit la partie basse 14, de forme complémentaire à celle de la portion d'appui talon 11, comprend des renforts 19, 20 servant à rigidifier la partie basse 14.In the same spirit the lower part 14, of form complementary to that of the heel support portion 11, comprises reinforcements 19, 20 serving to stiffen the lower part 14.

La partie intermédiaire 15 est constituée par un ensemble de nervures 21, 22, 23, 24, 25 reliant entre elles les parties haute 13 et basse 14. Chacune des nervures 21, 22, 23, 24, 25 a une largeur mesurée selon la direction longitudinale du dispositif 1 quand l'élément d'appui dorsal 3 est en contact avec la portion d'appui talon 11. Une largeur 1 est montrée à la figure 1 pour la nervure 21.The intermediate part 15 is constituted by a set of ribs 21, 22, 23, 24, 25 connecting the parts together high 13 and low 14. Each of the ribs 21, 22, 23, 24, 25 has a width measured in the longitudinal direction of the device 1 when the back support element 3 is in contact with the heel support portion 11. A width 1 is shown at the Figure 1 for rib 21.

La figure 2 est une vue arrière de l'élément d'appui dorsal 3 seul, sur laquelle apparaissent les parties haute 13, basse 14 et intermédiaire 15, ainsi que les nervures 21, 22, 23, 24, 25. Les épaisseurs respectives des nervures 21, 22, 23, 24, 25 sont représentées par les références e1, e2, e3, e4 et e5. Sur la figure 2, l'élément d'appui dorsal 3 est dans une position d'équilibre obtenue en l'absence de sollicitation transversale par le bas de jambe de l'utilisateur. Les nervures 21, 22, 23, 24, 25 délimitent des espaces 26, 27, 28, 29 qui sont des cavités ouvertes traversant la partie intermédiaire 15 dans le sens de la largeur des nervures 21, 22, 23, 24, 25. Les espaces 26 et 29 sont symétriques par rapport à la nervure centrale 23, ainsi que les espaces 27 et 28.Figure 2 is a rear view of the back support element 3 alone, on which the upper 13, lower 14 parts appear and intermediate 15, as well as the ribs 21, 22, 23, 24, 25. The respective thicknesses of the ribs 21, 22, 23, 24, 25 are represented by the references e1, e2, e3, e4 and e5. In FIG. 2, the back support element 3 is in a equilibrium position obtained in the absence of stress transverse through the user's lower leg. The ribs 21, 22, 23, 24, 25 delimit spaces 26, 27, 28, 29 which are open cavities passing through the intermediate part 15 across the width of the ribs 21, 22, 23, 24, 25. The spaces 26 and 29 are symmetrical with respect to the rib central 23, as well as spaces 27 and 28.

Lors de toute sollicitation de l'élément d'appui dorsal 3 par le bas de jambe dans un sens transversal au niveau de la partie haute 13, la partie intermédiaire 15 peut se déformer comme il est montré à la figure 3 pour accompagner le mouvement du bas de jambe.During any stress on the back support element 3 by the lower leg in a transverse direction at the level of the upper part 13, the intermediate part 15 can deform as shown in Figure 3 to accompany the movement lower leg.

Dans ce cas, la nervure centrale 23 fléchit dans le sens d'inclinaison du bas de jambe, et les autres nervures 21, 22, 24, 25 se déforment pour que la partie haute 13 suive le mouvement du bas de jambe.In this case, the central rib 23 flexes in the direction inclination of the lower leg, and the other ribs 21, 22, 24, 25 are deformed so that the upper part 13 follows the lower leg movement.

Dans le cas montré à la figure 3, les nervures 21 et 22 sont étirées, tandis que les nervures 24 et 25 sont comprimées. Les déformations des nervures 21, 22, 23, 24, 25 sont possibles car les espaces 26, 27, 28, 29 donnent aux nervures 21, 22, 23, 24, 25 une place suffisante pour se déformer.In the case shown in Figure 3, the ribs 21 and 22 are stretched, while the ribs 24 and 25 are compressed. The deformations of the ribs 21, 22, 23, 24, 25 are possible because the spaces 26, 27, 28, 29 give the ribs 21, 22, 23, 24, 25 sufficient space to deform.

Bien entendu, les épaisseurs e1, e2, e3, e4 et e5 des nervures 21, 22, 23, 24, 25 sont suffisamment réduites pour permettre des déformations réversibles sans rupture du matériau, et les largeurs des nervures 21, 22, 23, 24, 25 sont suffisamment importantes pour éviter ou limiter fortement une déformation de la partie intermédiaire 15 dans une direction sensiblement parallèle au plan longitudinal de la chaussure.Of course, the thicknesses e1, e2, e3, e4 and e5 of the ribs 21, 22, 23, 24, 25 are sufficiently reduced to allow reversible deformations without breaking the material, and the widths of the ribs 21, 22, 23, 24, 25 are large enough to avoid or severely limit a deformation of the intermediate part 15 in one direction substantially parallel to the longitudinal plane of the shoe.

Il s'ensuit que l'élément d'appui dorsal 3 se déforme proportionnellement aux mouvements transversaux du bas de jambe pour suivre fidèlement les mouvements de ce dernier. En effet, les déformations des nervures 21, 22, 23, 24, 25 ne définissent pas un axe de rotation précis, mais plutôt une infinité d'axes en rapport avec la complexité de la cheville de l'utilisateur.It follows that the back support element 3 deforms in proportion to the transverse movements of the lower leg to faithfully follow the movements of the latter. Indeed, the deformations of the ribs 21, 22, 23, 24, 25 do not define not a precise axis of rotation, but rather an infinity of axes related to the complexity of the user's ankle.

Les déformations transversales de la partie intermédiaire 15 de l'élément d'appui dorsal 3 permettent à la partie haute 13 de suivre le bas de jambe en exerçant sur ce dernier un effort de rappel vers la position d'équilibre de la figure 2. En effet, les déformations des nervures 21, 22, 23, 24, 25 sont des déformations élastiques qui se traduisent sur le plan technique par une accumulation d'énergie.The transverse deformations of the intermediate part 15 of the back support element 3 allow the upper part 13 to follow the lower leg by exerting on the latter an effort of reminder to the equilibrium position of figure 2. Indeed, the deformations of the ribs 21, 22, 23, 24, 25 are elastic deformations which are reflected technically by an accumulation of energy.

Plus la partie haute 13 est inclinée, plus grand est l'effort de rappel de la partie haute 13 vers la position d'équilibre.The more the upper part 13 is inclined, the larger is the effort to return the upper part 13 to the position of balance.

Un autre mode de réalisation du dispositif est présenté par les figures 4 et 5.Another embodiment of the device is presented by Figures 4 and 5.

Il ne diffère du mode précédent qu'en ce que les formes des nervures et des renforts sont différents du premier mode. C'est pourquoi il n'est pas nécessaire de l'expliquer en détail, et que les mêmes références sont utilisées.It differs from the previous mode only in that the shapes of the ribs and reinforcements are different from the first mode. It is why it is not necessary to explain it in detail, and that the same references are used.

Les matériaux utilisés pour la réalisation de l'élément d'appui dorsal 3 sont de préférence des polybutylènetéréphtalates, des polyuréthanes, ou des polyamides mis en oeuvre par injection à des températures comprises entre 150°C et 300°C et à des pressions comprises entre 10 et 200 bars.The materials used to make the element back support 3 are preferably polybutyleneterephthalates, polyurethanes, or polyamides implemented by injection at temperatures between 150 ° C and 300 ° C and at pressures between 10 and 200 bars.

Les autres éléments du dispositif 1 sont réalisés avec des matériaux plastiques armés ou non, des métaux, des tissus, ...... . Les techniques de mise en oeuvre sont les techniques classiques connues de l'homme du métier.The other elements of the device 1 are made with reinforced or unarmoured plastic materials, metals, fabrics, ....... The implementation techniques are the conventional techniques known to those skilled in the art.

Bien entendu, l'invention n'est pas limitée aux modes de réalisation décrits, et comprend tous les équivalents techniques pouvant entrer dans l'étendue des revendications qui vont suivre.Of course, the invention is not limited to the modes of realization described, and includes all technical equivalents which may fall within the scope of the claims which to follow.

En particulier, on peut prévoir de très nombreuses autres formes pour les nervures de la partie intermédiaire 15.In particular, we can foresee many other shapes for the ribs of the intermediate part 15.

On peut également prévoir un nombre différent de nervures, inférieur ou supérieur à cinq.We can also provide a different number of ribs, less than or greater than five.

On peut moduler l'aptitude à la déformation transversale de la partie intermédiaire 15 en choisissant une structure non symétrique, ou en remplissant partiellement ou totalement un ou plusieurs espaces avec un matériau déformable tel qu'une mousse ou du caoutchouc.We can modulate the transverse deformation ability of the intermediate part 15 by choosing a structure not symmetrical, or by partially or completely filling one or multiple spaces with deformable material such as foam or rubber.

On peut prévoir que les nervures ne soient pas rigoureusement parallèles, soit pour faciliter le démoulage en fabrication, soit pour améliorer l'évacuation de la neige en cours d'utilisation.We can predict that the ribs are not rigorously parallel, either to facilitate demolding in manufacturing, either to improve the evacuation of snow by during use.

On peut aussi prévoir des matériaux différents pour faire les différentes parties constitutives de l'élément d'appui dorsal 3. Dans ce cas, les nervures sont liées aux parties haute 13 et basse 14 par tout moyen tel qu'un collage, un encastrement ou autre.We can also provide different materials to make the various constituent parts of the support element dorsal 3. In this case, the ribs are linked to the upper parts 13 and low 14 by any means such as gluing, embedding Or other.

Claims (10)

Dispositif de retenue (1) d'une chaussure sur une planche de glisse destinée à la pratique du surf sur neige, le dispositif (1) comprenant une embase (2) destinée à recevoir la semelle de la chaussure, et un élément d'appui dorsal (3) sur lequel est destinée à s'appuyer la tige de la chaussure, une portion relevée d'appui talon (11) prolongeant l'embase (2) vers le haut à l'arrière du dispositif (1), l'élément d'appui dorsal (3) comprenant une partie haute (13) et une partie basse (14) reliée à l'embase (2), les parties haute (13) et basse (14) étant relativement rigides,
   caractérisé en ce qu'une partie intermédiaire déformable (15) de l'élément d'appui dorsal (3) est située entre les parties haute (13) et basse (14), la partie intermédiaire (15) permettant une inclinaison de la partie haute (13) par rapport à la partie basse (14) selon au moins une direction transversale du dispositif (1).Device for retaining (1) a shoe on a sliding board intended for snowboarding, the device (1) comprising a base (2) intended to receive the sole of the shoe, and a support element back (3) on which is intended to rest the upper of the shoe, a raised heel support portion (11) extending the base (2) upwards at the rear of the device (1), the back support element (3) comprising an upper part (13) and a lower part (14) connected to the base (2), the upper (13) and lower (14) parts being relatively rigid,
characterized in that a deformable intermediate part (15) of the back support element (3) is located between the upper (13) and lower (14) parts, the intermediate part (15) allowing the part to be tilted upper (13) relative to the lower part (14) in at least one transverse direction of the device (1). Dispositif de retenue (1) selon la revendication 1, caractérisé en ce que la partie intermédiaire déformable (15) comprend au moins une nervure (21, 22, 23, 24, 25).Retaining device (1) according to claim 1, characterized in that the deformable intermediate part (15) includes at least one rib (21, 22, 23, 24, 25). Dispositif de retenue (1) selon la revendication 1 ou 2, caractérisé en ce que la partie intermédiaire déformable (15) comprend cinq nervures (21, 22, 23, 24, 25) délimitant des espaces (26, 27, 28, 29).Retaining device (1) according to claim 1 or 2, characterized in that the deformable intermediate part (15) includes five ribs (21, 22, 23, 24, 25) delimiting spaces (26, 27, 28, 29). Dispositif de retenue (1) selon la revendication 2 ou 3, caractérisé en ce que le rapport de la largeur d'une nervure (21, 22, 23, 24, 25) sur l'épaisseur d'une même nervure (21, 22, 23, 24, 25) est supérieur ou égal à cinq.Retaining device (1) according to claim 2 or 3, characterized in that the ratio of the width of a rib (21, 22, 23, 24, 25) on the thickness of the same rib (21, 22, 23, 24, 25) is greater than or equal to five. Dispositif de retenue (1) selon la revendication 3 ou 4, caractérisé en ce que deux nervures (21, 22, 23, 24, 25) juxtaposées ont des faces en vis à vis formant un angle compris entre zéro et huit degrés.Retaining device (1) according to claim 3 or 4, characterized in that two ribs (21, 22, 23, 24, 25) juxtaposed have opposite faces forming an angle included between zero and eight degrees. Dispositif de retenue (1) selon l'une quelconque des revendications 1 à 5, caractérisé en ce que l'élément d'appui dorsal (3) est monobloc.Retaining device (1) according to any one of Claims 1 to 5, characterized in that the support element back (3) is monobloc. Dispositif de retenue (1) selon la revendication 6, caractérisé en ce que l'élément d'appui dorsal (3) est réalisé en matériau plastique. Retaining device (1) according to claim 6, characterized in that the back support element (3) is made made of plastic. Dispositif de retenue (1) selon la revendication 6 ou 7, caractérisé en ce qu'au moins un espace (26, 27, 28, 29) de la partie intermédiaire déformable (15) de l'élément d'appui dorsal (3) est rempli en partie au moins par un matériau différent du matériau constitutif de l'élément d'appui dorsal (3).Retaining device (1) according to claim 6 or 7, characterized in that at least one space (26, 27, 28, 29) of the deformable intermediate part (15) of the back support element (3) is filled at least in part with a material different from the constituent material of the back support element (3). Dispositif de retenue (1) selon l'une quelconque des revendications 1 à 8, caractérisé en ce que l'élément d'appui dorsal (3) est articulé sur l'embase (2) selon un axe sensiblement transversal du dispositif (1).Retaining device (1) according to any one of Claims 1 to 8, characterized in that the support element back (3) is articulated on the base (2) along an axis substantially transverse of the device (1). Dispositif de retenue (1) selon la revendication 9, caractérisé en ce que la portion relevée d'appui talon (11) limite tout déplacement de l'élément d'appui dorsal (3) selon l'axe transversal dans un sens antéro-postérieur.Retaining device (1) according to claim 9, characterized in that the raised heel support portion (11) limits any movement of the back support element (3) according to the transverse axis in an anteroposterior direction.
EP98102469A 1997-02-18 1998-02-13 Binding device for a boot on a snowboard with back support element Withdrawn EP0858818A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9702138A FR2759604B1 (en) 1997-02-18 1997-02-18 DEVICE FOR RETAINING A SHOE ON A SNOWBOARD WITH BACK SUPPORT ELEMENT
FR9702138 1997-02-18

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EP0858818A1 true EP0858818A1 (en) 1998-08-19

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US (1) US6273450B1 (en)
EP (1) EP0858818A1 (en)
JP (1) JP3051375U (en)
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EP1120138A1 (en) * 2000-01-28 2001-08-01 Skis Rossignol S.A. Snowboardbinding
US6631919B1 (en) 2000-01-06 2003-10-14 The Burton Corporation Wing-shaped leg support for a highback
US7686321B2 (en) 2006-12-01 2010-03-30 The Burton Corporation Highback with textile-like material for support

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US6543793B1 (en) * 2000-10-03 2003-04-08 The Burton Corporation Highback formed of multiple materials
JP3089802U (en) 2000-01-06 2002-11-15 ザ・バートン・コーポレイション High back made of many materials
US6554296B1 (en) * 2000-04-28 2003-04-29 The Burton Corporation Highback with independent forward lean adjustment
FR2834475B3 (en) * 2002-01-09 2004-03-05 Salomon Sa DEVICE FOR RETAINING A SHOE ON A SPORTS MACHINE
US7048295B2 (en) * 2002-10-11 2006-05-23 Ken Davies Automatic, universal boot binding for board sports
FR2853841B1 (en) * 2003-04-15 2005-07-08 Salomon Sa DEVICE FOR RETAINING A SHOE ON A SPORT MACHINE
US7614638B2 (en) 2004-08-02 2009-11-10 The Burton Corporation Convertible toe strap
GB201018749D0 (en) * 2010-11-08 2010-12-22 C Pro Direct Ltd Ankle foot orthopaedic devices
ITMI20120068A1 (en) * 2012-01-23 2013-07-24 Martino Fumagalli SPOILER FOR SNOWBOARD ATTACK.

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US6631919B1 (en) 2000-01-06 2003-10-14 The Burton Corporation Wing-shaped leg support for a highback
EP1120138A1 (en) * 2000-01-28 2001-08-01 Skis Rossignol S.A. Snowboardbinding
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US7686321B2 (en) 2006-12-01 2010-03-30 The Burton Corporation Highback with textile-like material for support

Also Published As

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JP3051375U (en) 1998-08-21
FR2759604B1 (en) 1999-05-07
FR2759604A1 (en) 1998-08-21
US6273450B1 (en) 2001-08-14

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