EP2781242B1 - Ski interface plate - Google Patents

Ski interface plate Download PDF

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Publication number
EP2781242B1
EP2781242B1 EP14000995.2A EP14000995A EP2781242B1 EP 2781242 B1 EP2781242 B1 EP 2781242B1 EP 14000995 A EP14000995 A EP 14000995A EP 2781242 B1 EP2781242 B1 EP 2781242B1
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EP
European Patent Office
Prior art keywords
board
interface plate
force
slope
assembly
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.)
Not-in-force
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EP14000995.2A
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German (de)
French (fr)
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EP2781242A1 (en
Inventor
Gilles Silva
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Salomon SAS
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Salomon SAS
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Publication of EP2781242A1 publication Critical patent/EP2781242A1/en
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Publication of EP2781242B1 publication Critical patent/EP2781242B1/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
    • A63C5/00—Skis or snowboards
    • A63C5/003—Structure, covering or decoration of the upper ski surface
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/003—Non-swivel sole plate fixed on the ski

Definitions

  • the invention relates to the field of assemblies comprising a snow sliding board and an interface plate to partially ensure at least the retention of a shoe on the board.
  • Such sets are for example for cross-country skiing, downhill skiing, monoski, skwal or any other kind of ski, or even snowboarding (snowboarding).
  • assemblies comprising a gliding board, an interface intended to be disposed on an outer face of the board and to accommodate a device for retaining a shoe.
  • This type of assembly has the main advantage of allowing a final fixing of the interface plate on the board at the manufacturer while allowing a subsequent adjustment of the position of the retainer according in particular to the dimensions of the retainer.
  • the document FR 2,812,210 discloses a gliding board provided with a movable platform for raising shoe attachments which aims a direct transfer of forces between the foot of the user and the edge of the board. Such a solution is bulky and very heavy. On the other hand the construction of the ski is largely affected by the establishment of the cavity in the ski.
  • the document DE 103 03 056 describes a gliding board whose attachment mounting interface rests solely on lateral ribs placed at the edges. This solution allows the transfer of the weight of the skier to the edges of the ski. However, it is only valid in cases where interface and ski have substantially the same width.
  • the present invention aims to meet this need.
  • the assembly further comprises at least one force conversion device configured to convert said support force into a force having a component inclined relative to the perpendicular to the outer face so as to oppose a raising of the square to the outer face of the board.
  • the invention allows to create a torque opposing the recovery of the edges and their clearance from the ground.
  • the grip and responsiveness of the ski in the turn initiation phase are therefore considerably improved.
  • the force conversion device is configured to convert at least a portion of the abutment force applied to the interface plate into an effort whose point application on the board is, relative to the point of application of the bearing force, close to the edge in a lateral direction which is perpendicular to the transverse direction.
  • the force converting device is configured to convert at least a portion of the abutment force applied to the interface plate into a torque at the edge and tending to oppose a bearing of the square.
  • the invention thus tends to "tile" at least one edge when the skier bears on the conversion device, that is to say to deform the lateral end of the sole to bring the edge beyond a plane containing the sole at rest.
  • a gliding board comprising at least one edge and an outer face comprising a reception area for an interface plate intended to participate in the joining of a shoe to the board, the external face having at least two cavities extending in a longitudinal direction, cavities having a slope inclined in a transverse direction and housing at least partly a movable member.
  • the movable element is intended to receive a transverse force from the interface plate and is able to bear on the slope so as to slide on the slope while approaching the edge when the force exceeds a given threshold.
  • the movable element and the cavity are shaped so that the force having a perpendicular component is applied by the interface especially when a user is directly or indirectly supported on the latter.
  • the cavity is disposed to the right of the reception area.
  • the board comprises elastic means disposed between an abutment wall integral with the board and the movable member and configured to exert on the movable member a return force tending to slide the movable member on the slope so as to to move it away from the edge.
  • an interface plate comprises a fixed part configured to be secured to the board according to the invention and a movable part transversely to the fixed part.
  • the movable portion is configured to receive a user-generated bearing force and to drive the movable member into the cavity when the bearing force exceeds a given threshold.
  • the invention relates to an assembly comprising a interface plate and at least one board, preferably a board set according to the above paragraphs.
  • the force conversion device comprising the slope, the movable element, the movable portion of the interface plate and preferably the elastic element, makes it possible to bring the support force closer to the edge.
  • the support effort provided by the skier is therefore more directly transmitted to the edge which allows to improve the reactivity of the ski especially in turns.
  • the invention makes it possible to counter the natural bearing of the edge under the effect of the support of the skier.
  • the assembly 100 comprises a sliding board 1.
  • a board 1 sliding for skiing This example is not, however, limiting and the invention also covers boards 1 glide for snowboard for example.
  • the board 1 comprises a soleplate for sliding on the substrate typically snow.
  • the sole extends mainly in a longitudinal direction 101. It is delimited at each of its lateral ends by a square 3 which extends over all or part of the length of the board 1.
  • the lateral direction is a perpendicular direction 103 to the longitudinal direction 101 and corresponds to the width of the board 1.
  • the longitudinal and lateral directions are referenced 101 and 103 on the figures 1 and 2 .
  • the board 1 also has an outer face 2 opposite to the sole and comprising a receiving zone of an interface plate 10.
  • the interface plate 10 is shaped to be fixed on the board 1 and to receive restraining devices of a shoe.
  • an interface plate 10 receives a rear portion of a retainer for hooking a rear shoe portion.
  • the interface plate 10 also receives a front portion of a retainer for attaching a front portion of a shoe.
  • the interface plate 10 comprises a movable main part 14 which has a certain mobility with respect to the board and fixed parts 13.
  • the fixed parts 13 are configured to be made integral with the outer face 2 of the board 1. Typically, these fixed parts 13 have through holes 20 for screws 15 to be screwed into the board 1, the head of the screw 15 bearing on the fixed part 13. Once fixed to the board 1, the fixed part 13 then admits no play with respect to the board 1.
  • the transverse direction 102 is perpendicular to the longitudinal 101 and lateral directions referenced 103 in the figures.
  • the transverse direction 102 corresponds to the vertical.
  • the interface plate 10 also has at least one movable main portion 14 which is partially movable transversely.
  • the interface plate is secured to the board with the screws 15 ', without any play.
  • the movable part can move vertically relative to the gliding board.
  • the ends of the movable portion 14 transversely has abutment zones 141 complementary to abutment areas 131 carried by the fixed portion 13. These two abutment zones are shaped to limit the distance, in the transverse direction 102, of the moving part. 14 relative to the outer face 2 of the board 1.
  • the movable portion 14 has an upper face 11 for receiving a user-generated bearing force. More specifically, this support force generated by the user is transmitted by the latter to the shoe, then to the retainer, then to the movable portion 14 transversely of the interface plate 10. This support force is illustrated in figure 4 and is referenced F1.
  • the movable portion 14 also comprises a lower face 12 intended to transmit to the board 1 the support force applied to the upper face 11.
  • the lower face 12 In the central part, the lower face 12 is directly in contact with the gliding board while the at both ends this lower face 12 is slightly raised.
  • the figure 3 represents a section along the plane III-II of the figure 1 , that is to say at the level of the fixed parts 13 of the interface 10.
  • the distance between the outer face 2 of the board 1 and the abutment zone 131 of the fixed part 13 of the interface plate 10 on the one hand and the distance between the lower face 12 of the interface plate 10 and the the stop zone 141 of the interface plate 10 on the other hand are chosen so as to provide a clearance J1 allowing a vertical clearance of the movable portion 14 of the interface plate 10 relative to the board 1.
  • the clearance J1 is present between the outer face 2 of the plate 1 and the lower face 12 of the movable portion 14 of the interface plate 10 is illustrated in FIG. figure 3 .
  • the lower face 12 is held in contact with two elements mounted movable relative to the board 1.
  • These movable elements 31 are in contact with the interface plate 10 and with the slopes 6 integral with the 1.
  • these slopes 6 can be formed in the board 1, for example in its external face 2.
  • these slopes 6 are formed by an insert on the board 1 and made integral with the latter.
  • the slopes 6 are directly formed on the outer face 2 of the board 1.
  • the two movable elements 31, the slopes 6 are symmetrical to each other with respect to the median plane of the ski, it will be content in the remainder of this presentation to describe only one.
  • the slope 6 is inclined relative to the lateral direction 103. Thus, when the board is flat, the slope 6 is neither vertical nor horizontal. Since the bearing force F1 is generally in the transverse direction 102, this slope 6 is also inclined relative to the direction of the bearing force F1.
  • the slope 6 is inclined to approach the edge 3 of which it is the closest as the slope 6 away from the outer face 2 of the board 1. In other words, as the we approach the board 1, the slope 6 is close to the square 3 which it is closest.
  • the movable member 31 has an inclined face 32 corresponding to the inclination of the slope 6 carried by the board 1.
  • the transverse movement of the interface plate 10 is thus transformed into a sloping movement according to the slope 6.
  • the invention converts the transverse movement of the interface plate 10 in a movement having a transverse component and a lateral component directed towards the nearest square 3.
  • the sliding of the movable element 31 along the slope 6 is illustrated in FIG. figure 4 and referenced d.
  • the board 1 is also integral with a stop wall 7 shaped to stop the sliding of the movable member 31 under the effect of the support force F1.
  • this abutment wall 7 is formed in the outer face 2 of the board 1.
  • the outer face 2 provides at least one cavity 4 formed by the slope 6, the inclined wall and optionally a bottom wall connecting the slope 6 to the abutment wall 7.
  • the cavity 4 is formed by a piece fixed without degrees of freedom to the board 1.
  • the F1 support force applied by the user, referenced F1 in figure 4 is transmitted to the movable element 31, which then transmits it to the slope 6 and then to the abutment wall 7.
  • the latter being inclined with respect to the transverse direction 102, any effort that is applied to it therefore generates, at the level of the nearest square 3, a C pair referenced on the figure 4 , which tends to fold the edge 3 towards the inside of the board 1, that is to say to bring it beyond a plane containing the sole.
  • This couple thus tends to "tile” the sole at least at one of its lateral ends, that is to say to push more strongly the square 3 in the snow.
  • the grip of the edge 3 is then improved and the responsiveness in cornering is increased.
  • the invention makes it possible to move the point of application of the support force F1 into bringing it closer to the nearest square 3. The point of application of the force is then closer to the vertical passing by the edge 3. The invention thus makes it possible to limit or even eliminate the natural tendency to raise the edge 3.
  • the F1 support force exerted on the interface plate 10 is therefore converted into a force having a component F3 which is applied near the edge 3.
  • the force conversion means also comprise an elastic element 35 configured to slide the movable element 31 along the slope 6 by returning it to its rest position.
  • the position of rest is the position in which a support force of zero or less than a threshold value is applied to the interface plate 10.
  • this elastic element 35 is arranged in part at least between the abutment wall 7 and the movable member 31.
  • this elastic member 35 works in compression. Thus, it compresses when a compressive force greater than a threshold value is applied to the interface plate 10 and relaxes when this force drops.
  • the elastic member 35 is an elastomer piece.
  • the movable element 31 is illustrated in figure 3 in rest configuration.
  • a zero or low support force is applied to the interface plate 10. This is typically the case when the skier distributes his weight homogeneously on both his legs, and / or when he undergoes no vertical acceleration and / or when maintaining the soleplate flat.
  • the elastic element 35 pushes or keeps the movable element 31 upwards. This latter plate then the mobile part 14 of the interface plate 10 against the abutment zone carried by the fixed part 13 of the plate. interface 10.
  • the figure 4 illustrates the configuration where the user exerts on the interface plate 10 a support force greater than a predetermined threshold. This is typically the case when the skier transfers some of his weight on only one of his legs and / or when he experiences a vertical acceleration and / or when the sole is not flat on the snow.
  • the bearing force F1 makes the moving part 14 of the interface plate 10 descend downwards, which also pushes down the movable member 31 by sliding it along the slope 6 to compress the elastic member 35.
  • the game J2 remaining between the lower face 12 of the interface plate 10 and the outer face 2 of the board is significantly lower than the game J1 as illustrated on the figure 4 .
  • the movable element 31, via the elastic element 35, transmits a portion of the abutment force against the abutment wall 7 to improve the grip of the edge 3 closest to said abutment wall 7.
  • the dimensions, the stiffness and the elasticity of the elastic element 35 are chosen to define the threshold of support force from which the movable element 31 is moved downwards.
  • the elastic means also form damping means shaped at least to absorb at least a portion of the vibrations and shocks received by the ski. These vibrations and shocks tend to be transmitted to the shoe.
  • the elastomeric element filters vibrations and shocks and improves the control and comfort of the ski.
  • the inclination of the slope 6 forms with the lateral direction, that is to say the horizontal if the ski is flat, an angle of between 30 and 60 ° and preferably between 35 and 55 °. This makes it possible to improve the grip of the ski and the responsiveness to the turn initiation particularly effectively.
  • the abutment wall 7 forms with the transverse direction 102, that is to say the vertical if the ski is flat, an angle ⁇ less than the angle ⁇ . This makes it possible to ensure efficient transmission of the support force while limiting or even preventing creep of the elastic element 35.
  • the angle ⁇ is between 15 and 35 °. It is preferably equal to 20 °.
  • the slope 6 extends in the longitudinal direction 101 of the board 1, over a length that corresponds to at least a portion of the interface plate 10.
  • the movable member 31 extends longitudinally over a length greater than 80% and advantageously equal to the length of the slope 6.
  • the board 1 has at least two slopes 6, each disposed on one side of a longitudinal median plane of the board 1.
  • two cavities 4 disposed on either side of the screws 15 for fixing the plate interface 10 to the board 1 each have a slope 6 extending longitudinally.
  • a single movable element 31 and a single cavity 4 are arranged on each side of the longitudinal median plane.
  • this embodiment is preferred when the portions of the interface plate 10 receiving the rear and front portions of the shoe retainer are integral as shown in FIG. figure 1 .
  • This embodiment simplifies the assembly assembly 100 and improve reliability.
  • each cavity 4 housing a resilient element 35 and a movable element 31.
  • the two cavities 4 disposed on the same side of the longitudinal median plane respectively correspond to a front portion 18 and to a rear portion 19 of the interface plate 10.
  • This embodiment is preferred when the portions of the interface plate 10 intended to receive the front and rear portions of the shoe retainer are not integral as illustrated in FIG. figure 2 .
  • the front portion 18 is connected to the rear portion 19 by a part 16 easily deformable. There is therefore no transmission of force between the two parts 18, 19 of the interface plate 10.
  • Each portion 18, 19 of the interface plate 10 therefore has a different behavior. This has the advantage of improving the behavior of the ski including bending around a lateral median axis.
  • This flexible connection 36 allows the two bars of the same pair to move away or approach one another without constraint.
  • the moving elements are then in the form of a set of strips per board 1 as illustrated in FIG. figure 1 or in the form of several sets of bars per board 1 as illustrated in figure 2 .
  • the interface plate includes a front portion and a rear portion as in the mode described in FIG. figure 2 . But only one of the front or rear parts is equipped with conversion means.
  • the invention allows the use of interface plates 10 of the same size, including lateral, for skis of different widths and while maintaining a high level of performance.
  • the interface plate may have a contact width in contact with the ski of between 44 and 55 millimeters.
  • Such an interface plate can then be mounted on relatively narrow skis, typically runway skis, having for example a shoe width of between 60 and 75 millimeters.
  • the invention also makes it possible to use this same interface plate with wider skis, typically off-piste skis which, moreover, have a shoe width greater than 80 millimeters and while maintaining the performance of this ski.

Description

DOMAINE TECHNIQUE DE L'INVENTIONTECHNICAL FIELD OF THE INVENTION

L'invention concerne le domaine des ensembles comprenant une planche de glisse sur neige et une plaque d'interface pour assurer en partie au moins la retenue d'une chaussure sur la planche.The invention relates to the field of assemblies comprising a snow sliding board and an interface plate to partially ensure at least the retention of a shoe on the board.

De tels ensembles sont par exemple destinés à la pratique du ski de fond, du ski de piste, du monoski, du skwal ou de tout autre sorte de ski, ou encore à la pratique du snowboard (surf de neige).Such sets are for example for cross-country skiing, downhill skiing, monoski, skwal or any other kind of ski, or even snowboarding (snowboarding).

ÉTAT DE LA TECHNIQUESTATE OF THE ART

Des solutions connues proposent des ensembles comprenant une planche de glisse, une interface prévue pour être disposée sur une face externe de la planche et pour accueillir un dispositif de retenue d'une chaussure.Known solutions propose assemblies comprising a gliding board, an interface intended to be disposed on an outer face of the board and to accommodate a device for retaining a shoe.

Ce type d'ensemble a pour principal avantage de permettre une fixation définitive de la plaque d'interface sur la planche chez le fabricant tout en autorisant un réglage ultérieur de la position du dispositif de retenue en fonction notamment des dimensions du dispositif de retenue. Avant l'apparition des interfaces, la fixation du dispositif de retenue à la planche était effectuée le plus souvent en magasin lors de l'achat du dispositif de retenue. Cette opération était très délicate car elle nécessitait un vissage à travers la planche.. Par ailleurs, en cas de changement du dispositif de retenue ou en cas de modification de la configuration de ce dernier, un nouveau perçage était nécessaire. Les interfaces apportent donc une solution à ces problèmes. Les interfaces offrent de nombreux avantages et peuvent assurer plusieurs fonctions comme par exemple la surélévation de la chaussure, l'amortissement ou la libération de la flexion du ski.This type of assembly has the main advantage of allowing a final fixing of the interface plate on the board at the manufacturer while allowing a subsequent adjustment of the position of the retainer according in particular to the dimensions of the retainer. Before the appearance of the interfaces, fastening of the retaining device to the board was most often carried out in the store during the purchase of the retainer. This operation was very delicate because it required screwing through the board .. Moreover, in case of change of the retainer or in case of modification of the configuration of the latter, a new drilling was necessary. The interfaces therefore provide a solution to these problems. The interfaces offer many advantages and can provide several functions such as elevation of the shoe, damping or release of the bending of the ski.

Le document FR 2 812 210 décrit une planche de glisse munie d'une plateforme mobile de surélévation des fixations de chaussure qui vise un transfert direct des forces entre le pied de l'utilisateur et l'arête de la planche. Une telle solution est volumineuse et très lourde. D'autre part la construction du ski est largement affectée par la mise en place de la cavité dans le ski.The document FR 2,812,210 discloses a gliding board provided with a movable platform for raising shoe attachments which aims a direct transfer of forces between the foot of the user and the edge of the board. Such a solution is bulky and very heavy. On the other hand the construction of the ski is largely affected by the establishment of the cavity in the ski.

Le document DE 103 03 056 décrit une planche de glisse dont l'interface de montage des fixations repose uniquement sur des nervures latérales placées au droit des carres. Cette solution permet le transfert du poids du skieur vers les carres du ski. Elle ne vaut cependant que dans les cas où interface et ski ont sensiblement la même largeur.The document DE 103 03 056 describes a gliding board whose attachment mounting interface rests solely on lateral ribs placed at the edges. This solution allows the transfer of the weight of the skier to the edges of the ski. However, it is only valid in cases where interface and ski have substantially the same width.

Pour des raisons de rationalisation et de standardisation des procédés de fabrication des skis, un type d'interface est souvent commun à de nombreux types de planches de glisse.For reasons of rationalization and standardization of ski manufacturing processes, a type of interface is often common to many types of gliding boards.

Pour de nombreux types de planches de glisse, cela ne pose pas de difficulté et le ski présente un bon comportement notamment en termes d'accroche et d'inertie du ski au déclenchement de virage.For many types of gliding boards, this is not a problem and the ski has a good behavior especially in terms of grip and inertia of the ski at turn initiation.

En revanche, pour d'autres types de planches, notamment plus larges, l'utilisation d'une interface commune semble entraîner une détérioration du comportement du ski notamment en termes d'accroche et d'inertie au déclenchement de virage.On the other hand, for other types of boards, especially wider, the use of a common interface seems to cause a deterioration of the behavior of the ski in particular in terms of grip and inertia turn initiation.

Il existe donc un besoin consistant à proposer une solution permettant de conserver, voire d'améliorer, le comportement de skis équipés d'un type d'interface commun à plusieurs planches de glisse.There is therefore a need to propose a solution to maintain or improve the behavior of skis equipped with a type of interface common to several boards gliding.

La présente invention a pour objectif de répondre à ce besoin.The present invention aims to meet this need.

RÉSUMÉ DE L'INVENTIONSUMMARY OF THE INVENTION

Pour atteindre cet objectif, selon un mode de réalisation, la présente invention prévoit un ensemble pour planche de glisse selon la revendication 1, comprenant une planche de glisse présentant :

  • au moins une face externe et au moins une carre,
  • au moins une plaque d'interface configurée pour participer à la solidarisation d'une chaussure à la planche de glisse et pour recevoir un effort d'appui orienté sensiblement perpendiculairement à la face externe.
To achieve this objective, according to one embodiment, the present invention provides a set for a gliding board according to claim 1, comprising a gliding board having:
  • at least one outer face and at least one edge,
  • at least one interface plate configured to participate in the attachment of a shoe to the gliding board and to receive a bearing force oriented substantially perpendicular to the outer face.

L'ensemble comprend en outre au moins un dispositif de conversion d'effort configuré pour convertir ledit effort d'appui en un effort présentant une composante inclinée par rapport à la perpendiculaire à la face externe de manière à s'opposer à un relèvement de la carre vers la face externe de la planche.The assembly further comprises at least one force conversion device configured to convert said support force into a force having a component inclined relative to the perpendicular to the outer face so as to oppose a raising of the square to the outer face of the board.

Dans le cadre du développement de la présente invention, il s'est avéré que l'utilisation de plaques d'interface significativement plus étroite que la planche a un impact perceptible sur le comportement du ski notamment en termes d'accroche et d'inertie du ski au déclenchement de virage. Il a été identifié que cette dégradation du comportement des skis provient essentiellement du fait que l'appui du skieur n'est pas transmis à la verticale des carres lorsque l'interface est étroite par rapport à la planche. Le point d'appui étant éloigné de la verticale des carres, ces dernières subissent un couple qui tend à les relever vers l'extérieur à les dégager du sol. Il s'ensuit que l'accroche se réduit fortement et que l'inertie en phase de déclenchement de virage s'accroit.In the context of the development of the present invention, it has been found that the use of interface plates significantly narrower than the board has a perceptible impact on the behavior of the ski, particularly in terms of grip and inertia of the ski. ski at turn initiation. It has been identified that this degradation of ski behavior is essentially due to the fact that the support of the skier is not transmitted vertically to the edges when the interface is narrow relative to the board. The point of support being far from the vertical of the edges, they undergo a couple that tends to raise them outward to free them from the ground. As a result, the grip is greatly reduced and the inertia in the turn initiation phase increases.

En prévoyant un dispositif de conversion configuré pour convertir l'appui du skieur en un effort présentant une composante inclinée par rapport à la perpendiculaire à la face externe, par exemple horizontale, l'invention permet de créer un couple s'opposant au relèvement des carres et à leur dégagement du sol. L'accroche et la réactivité du ski en phase de déclenchement de virage sont par conséquent considérablement améliorées.By providing a conversion device configured to convert the support of the skier into a force having a component inclined relative to the perpendicular to the outer face, for example horizontal, the invention allows to create a torque opposing the recovery of the edges and their clearance from the ground. The grip and responsiveness of the ski in the turn initiation phase are therefore considerably improved.

Le dispositif de conversion d'effort est configuré pour convertir une partie au moins de l'effort d'appui appliqué sur la plaque d'interface en un effort dont le point d'application sur la planche est, par rapport au point d'application de l'effort d'appui, rapproché de la carre selon une direction latérale qui est perpendiculaire à la direction transversale.The force conversion device is configured to convert at least a portion of the abutment force applied to the interface plate into an effort whose point application on the board is, relative to the point of application of the bearing force, close to the edge in a lateral direction which is perpendicular to the transverse direction.

Le dispositif de conversion d'effort est configuré pour convertir une partie au moins de l'effort d'appui appliqué sur la plaque d'interface en un couple s'exerçant au niveau de la carre et tendant à s'opposer à un relèvement de la carre.The force converting device is configured to convert at least a portion of the abutment force applied to the interface plate into a torque at the edge and tending to oppose a bearing of the square.

L'invention a ainsi tendance à « tuiler » au moins une carre lorsque le skieur appui sur le dispositif de conversion, c'est-à-dire à déformer l'extrémité latérale de la semelle pour amener la carre au delà d'un plan contenant la semelle au repos.The invention thus tends to "tile" at least one edge when the skier bears on the conversion device, that is to say to deform the lateral end of the sole to bring the edge beyond a plane containing the sole at rest.

Un autre aspect de la présente invention concerne une planche de glisse selon la revendication 10, comprenant
au moins une carre et une face externe comportant une zone d'accueil pour une plaque d'interface destinée à participer à la solidarisation d'une chaussure à la planche, la face externe présentant au moins deux cavités s'étendant selon une direction longitudinale, les cavités présentant une pente inclinée selon une direction transversale et logeant au moins en partie un élément mobile. L'élément mobile est destiné à recevoir de la plaque d'interface un effort transversal et est apte à prendre appui sur la pente de manière à glisser sur la pente en se rapprochant de la carre lorsque l'effort dépasse un seuil donné.Another aspect of the present invention relates to a gliding board according to claim 10, comprising
at least one edge and an outer face comprising a reception area for an interface plate intended to participate in the joining of a shoe to the board, the external face having at least two cavities extending in a longitudinal direction, cavities having a slope inclined in a transverse direction and housing at least partly a movable member. The movable element is intended to receive a transverse force from the interface plate and is able to bear on the slope so as to slide on the slope while approaching the edge when the force exceeds a given threshold.

L'élément mobile et la cavité sont conformés de manière à ce que l'effort présentant une composante perpendiculaire soit appliquée par l'interface notamment lorsqu'un utilisateur s'appuie directement ou indirectement sur cette dernière.The movable element and the cavity are shaped so that the force having a perpendicular component is applied by the interface especially when a user is directly or indirectly supported on the latter.

De préférence la cavité est disposée au droit de la zone d'accueil.Preferably the cavity is disposed to the right of the reception area.

De préférence, la planche comprend des moyens élastique disposés entre une paroi de butée solidaire de la planche et l'élément mobile et configurés pour exercer sur l'élément mobile un effort de rappel tendant à faire glisser l'élément mobile sur la pente de manière à l'éloigner de la carre.Preferably, the board comprises elastic means disposed between an abutment wall integral with the board and the movable member and configured to exert on the movable member a return force tending to slide the movable member on the slope so as to to move it away from the edge.

Selon un mode de réalisation, une plaque d'interface comprend une partie fixe configurée pour être rendue solidaire de la planche selon l'invention et une partie mobile transversalement par rapport à la partie fixe. La partie mobile est configurée pour recevoir un effort d'appui généré par l'utilisateur et pour enfoncer l'élément mobile dans la cavité lorsque l'effort d'appui dépasse un seuil donné.According to one embodiment, an interface plate comprises a fixed part configured to be secured to the board according to the invention and a movable part transversely to the fixed part. The movable portion is configured to receive a user-generated bearing force and to drive the movable member into the cavity when the bearing force exceeds a given threshold.

Selon un autre mode de réalisation, l'invention porte sur un ensemble comprenant une plaque d'interface et aux moins une planche, de préférence un jeu de planches selon les paragraphes ci-dessus.According to another embodiment, the invention relates to an assembly comprising a interface plate and at least one board, preferably a board set according to the above paragraphs.

Le dispositif de conversion d'effort, comprenant la pente, l'élément mobile, la partie mobile de la plaque d'interface et de préférence l'élément élastique, permet de rapprocher l'effort d'appui de la carre. L'effort d'appui fourni par le skieur est donc plus directement transmis à la carre ce qui permet d'améliorer la réactivité du ski notamment en virage.The force conversion device, comprising the slope, the movable element, the movable portion of the interface plate and preferably the elastic element, makes it possible to bring the support force closer to the edge. The support effort provided by the skier is therefore more directly transmitted to the edge which allows to improve the reactivity of the ski especially in turns.

En outre, en déplaçant le point d'application de l'effort vertical vers la carre, l'invention permet de contrer le relèvement naturel de la carre sous l'effet de l'appui du skieur.In addition, by moving the point of application of the vertical force towards the edge, the invention makes it possible to counter the natural bearing of the edge under the effect of the support of the skier.

BRÈVE DESCRIPTION DES FIGURESBRIEF DESCRIPTION OF THE FIGURES

Les buts, objets, ainsi que les caractéristiques et avantages de l'invention ressortiront mieux de la description détaillée d'un mode de réalisation de cette dernière qui est illustré par les dessins d'accompagnement suivants dans lesquels :

  • la figure 1 est une vue en perspective de différents éléments compris dans un ensemble selon un premier mode de réalisation de l'invention, ces différents éléments étant désassemblés.
  • La figure 2 est une vue des en perspective des différents éléments compris dans un ensemble selon un autre mode de réalisation de l'invention. Ces différents éléments étant également désassemblés.
  • La figure 3 est une vue en coupe de l'ensemble selon le premier mode de réalisation de l'invention, l'ensemble étant assemblé et soumis à un effort d'appui nul ou inférieur à un seuil donné.
  • La figure 4 est une vue en coupe de l'ensemble illustré en figure 3 dans lequel l'ensemble est soumis à un effort d'appui supérieur à un seuil donné.
The objects, objects, as well as the features and advantages of the invention will become more apparent from the detailed description of an embodiment thereof which is illustrated by the following accompanying drawings in which:
  • the figure 1 is a perspective view of various elements included in an assembly according to a first embodiment of the invention, these various elements being disassembled.
  • The figure 2 is a perspective view of the various elements included in an assembly according to another embodiment of the invention. These different elements are also disassembled.
  • The figure 3 is a sectional view of the assembly according to the first embodiment of the invention, the assembly being assembled and subjected to a bearing force of zero or less than a given threshold.
  • The figure 4 is a sectional view of the assembly illustrated in figure 3 wherein the assembly is subjected to a support force greater than a given threshold.

Les dessins sont donnés à titre d'exemples et ne sont pas limitatifs de l'invention. Ils constituent des représentations schématiques de principe destinées à faciliter la compréhension de l'invention et ne sont pas nécessairement à l'échelle des applications pratiques.The drawings are given by way of examples and are not limiting of the invention. They constitute schematic representations of principle intended to facilitate the understanding of the invention and are not necessarily at the scale of practical applications.

DESCRIPTION DÉTAILLÉE DE L'INVENTIONDETAILED DESCRIPTION OF THE INVENTION

Avant d'entamer une revue détaillée de modes de réalisation de l'invention, des caractéristiques optionnelles qui peuvent éventuellement être utilisées en association ou alternativement sont énoncées ci-dessous :

  • le dispositif de conversion d'effort comporte au moins une pente solidaire de la planche et au moins un élément mobile conformé pour recevoir de la plaque d'interface une partie au moins de l'effort d'appui et pour glisser sur la pente dans un premier sens s'éloignant de la face externe ;
  • la pente est inclinée par rapport à la direction d'appui de l'utilisateur. Typiquement, elle est inclinée par rapport à la verticale ;
  • la pente est ménagée dans une cavité présentant au moins une paroi inclinée formant la pente et une paroi de butée conformée pour stopper le glissement de l'élément mobile dans le premier sens ;
  • le dispositif de conversion d'effort comporte des moyens élastiques disposés entre une paroi de butée solidaire de la planche et l'élément mobile et configurés pour absorber ou amortir les chocs transmis depuis la planche vers l'interface ;
  • les moyens élastiques disposés entre une paroi de butée solidaire de la planche et l'élément mobile sont configurés pour exercer sur l'élément mobile un effort de rappel tendant à faire glisser l'élément mobile sur la pente dans un deuxième sens opposé au premier sens de manière à ramener l'élément mobile vers une position de repos. La position de repos correspond à la position de l'élément mobile en l'absence d'effort d'appui exercé par l'utilisateur sur l'interface ou lorsque cet effort est inférieur à un seuil donné. Ainsi, en fonctionnement, sous l'effet de la variation des efforts d'appui exercés par l'utilisateur, l'élément mobile se déplace le long de la pente alternativement dans un sens et dans l'autre. Les variations d'efforts d'appui sont par exemple générés par le transfert du poids du skieur sur une jambe seulement comme c'est le cas lors d'une prise de virage notamment ;
  • la paroi inclinée forme un angle α compris entre 30° et 60° avec une direction latérale qui est perpendiculaire à la direction transversale et qui s'étend selon la largeur de la planche. De préférence cet angle α est compris entre 35° et 55°. De préférence cet angle α est d'environ 45 ;
  • la paroi de butée forme avec la direction transversale un angle β inférieur à l'angle α. De préférence l'angle β est compris entre 15° et 45°. De préférence cet angle β est d'environ 20°;
  • la pente est ménagée dans la planche et de préférence dans la face externe de la planche. De manière alternative, la pente est portée par une pièce rendue solidaire de la planche ;
  • l'élément mobile est configuré pour recevoir une partie au moins d'un effort d'appui appliqué par l'utilisateur sur l'interface et transmis par l'interface à l'élément mobile ;
  • l'élément mobile est configuré de manière à se déplacer vers l'extérieur de la planche en coulissant sur une face inférieure de l'interface ;
  • l'élément mobile forme une barrette s'étendant dans la direction longitudinale de la planche ;
  • l'élément mobile est conformé pour ne pas se déformer lorsque l'utilisateur applique un effort d'appui sur l'interface ;
  • l'ensemble est configuré pour que l'effort d'appui appliqué par l'utilisateur sur la plaque d'interface se transmette intégralement à au moins un élément mobile ;
  • le dispositif de conversion d'effort comporte au moins deux pentes solidaires de la planche, réparties de part et d'autre d'un plan médian de l'interface, et au moins deux éléments mobiles conformés pour glisser chacun sur l'une des pentes ;
  • la plaque d'interface comprend une partie arrière destinée à recevoir un dispositif de retenue pour une portion arrière d'une chaussure et comprend une partie avant destinée à recevoir un dispositif de retenue pour une portion avant de la chaussure, les parties avant et arrière de la plaque d'interface étant solidaires. La plaque d'interface est conformée pour prendre appui sur uniquement deux éléments mobiles qui sont disposés de part et d'autre d'un plan médian longitudinal et qui s'étendent d'une partie à l'autre de la plaque d'interface ;
  • la plaque d'interface comprend une partie arrière destinée à recevoir un dispositif de retenue pour une portion arrière d'une chaussure et comprend une partie avant destinée à recevoir un dispositif de retenue pour une portion avant de la chaussure, les parties avant et arrière de la plaque d'interface étant distinctes l'une de l'autre. Chaque partie d'interface est conformée pour prendre appui sur deux éléments mobiles disposés de part et d'autre d'un plan médian longitudinal, les éléments mobiles associés à la partie avant étant distincts des éléments mobiles associés à la partie arrière.
Before beginning a detailed review of embodiments of the invention, optional features that may optionally be used in combination or alternatively are set forth below:
  • the force conversion device comprises at least one slope integral with the board and at least one movable element shaped to receive from the interface plate at least part of the support force and to slide on the slope in a first sense moving away from the outer face;
  • the slope is inclined relative to the direction of support of the user. Typically, it is inclined relative to the vertical;
  • the slope is formed in a cavity having at least one inclined wall forming the slope and a stop wall shaped to stop the sliding of the movable element in the first direction;
  • the force conversion device comprises elastic means disposed between an abutment wall integral with the board and the movable member and configured to absorb or dampen shocks transmitted from the board to the interface;
  • the elastic means disposed between a stop wall integral with the board and the movable member are configured to exert on the movable member a return force tending to slide the movable member on the slope in a second direction opposite to the first direction so as to return the movable member to a rest position. The rest position corresponds to the position of the mobile element in the absence of user support force on the interface or when this effort is less than a given threshold. Thus, in operation, under the effect of the variation of the support forces exerted by the user, the movable element moves along the slope alternately in one direction and the other. The variations of support forces are for example generated by the transfer of the weight of the skier on one leg only as is the case during a cornering including;
  • the inclined wall forms an angle α between 30 ° and 60 ° with a lateral direction which is perpendicular to the transverse direction and which extends along the width of the board. Preferably this angle α is between 35 ° and 55 °. This angle α is preferably about 45;
  • the abutment wall forms with the transverse direction an angle β less than the angle α. Preferably the angle β is between 15 ° and 45 °. Preferably this angle β is about 20 °;
  • the slope is formed in the board and preferably in the outer face of the board. Alternatively, the slope is carried by a piece secured to the board;
  • the movable element is configured to receive at least a portion of a user-applied support force on the interface and transmitted by the interface to the mobile element;
  • the movable member is configured to move out of the board slidably on a lower face of the interface;
  • the movable member forms a bar extending in the longitudinal direction of the board;
  • the movable element is shaped so as not to deform when the user applies a pressing force on the interface;
  • the assembly is configured so that the support force applied by the user on the interface plate is transmitted integrally to at least one movable element;
  • the force conversion device comprises at least two slopes integral with the board, distributed on either side of a median plane of the interface, and at least two movable elements shaped to slide each on one of the slopes ;
  • the interface plate comprises a rear portion for receiving a retaining device for a rear portion of a boot and comprises a front portion for receiving a retainer for a front portion of the boot, the front and rear portions of the boot; the interface plate being secured. The interface plate is shaped to bear on only two movable elements which are arranged on either side of a longitudinal median plane and which extend from one part to the other of the interface plate;
  • the interface plate comprises a rear portion for receiving a retaining device for a rear portion of a boot and comprises a front portion for receiving a retainer for a front portion of the boot, the front and rear portions of the boot; the interface plate being distinct from each other. Each interface portion is shaped to bear on two movable elements disposed on either side of a longitudinal median plane, the movable elements associated with the front part being distinct from the mobile elements associated with the rear part.

Des modes de réalisation de l'invention ainsi que son principe de fonctionnement vont maintenant être décrits en référence aux figures 1 à 4.Embodiments of the invention and its operating principle will now be described with reference to Figures 1 to 4 .

L'ensemble 100 comprend une planche 1 de glisse. Dans le cadre de la description qui suit, l'invention va être décrite en référence à une planche 1 de glisse pour le ski. Cet exemple n'est cependant pas limitatif et l'invention couvre également des planches 1 de glisse pour le snowboard par exemple.The assembly 100 comprises a sliding board 1. In the context of the description which follows, the invention will be described with reference to a board 1 sliding for skiing. This example is not, however, limiting and the invention also covers boards 1 glide for snowboard for example.

La planche 1 comprend une semelle destinée à glisser sur le substrat typiquement de la neige. La semelle s'étend principalement selon une direction longitudinale 101. Elle est délimitée à chacune de ses extrémités latérales par une carre 3 qui s'étend sur tout ou partie de la longueur de la planche 1.The board 1 comprises a soleplate for sliding on the substrate typically snow. The sole extends mainly in a longitudinal direction 101. It is delimited at each of its lateral ends by a square 3 which extends over all or part of the length of the board 1.

Dans la présente invention, la direction latérale est une direction perpendiculaire 103 à la direction longitudinale 101 et correspond à la largeur de la planche 1. Les directions longitudinale et latérale sont référencées 101 et 103 sur les figures 1 et 2.In the present invention, the lateral direction is a perpendicular direction 103 to the longitudinal direction 101 and corresponds to the width of the board 1. The longitudinal and lateral directions are referenced 101 and 103 on the figures 1 and 2 .

La planche 1 présente également une face externe 2 opposée à la semelle et comprenant une zone de réception d'une plaque d'interface 10. La plaque d'interface 10 est conformée pour se fixer sur la planche 1 et pour recevoir des dispositifs de retenue d'une chaussure. Typiquement, une plaque d'interface 10 reçoit une portion arrière d'un dispositif de retenue pour l'accroche d'une partie arrière de chaussure. La plaque d'interface 10 reçoit également une portion avant d'un dispositif de retenue pour l'accroche d'une partie avant d'une chaussure.The board 1 also has an outer face 2 opposite to the sole and comprising a receiving zone of an interface plate 10. The interface plate 10 is shaped to be fixed on the board 1 and to receive restraining devices of a shoe. Typically, an interface plate 10 receives a rear portion of a retainer for hooking a rear shoe portion. The interface plate 10 also receives a front portion of a retainer for attaching a front portion of a shoe.

La plaque d'interface 10 comprend une partie principale mobile 14 qui dispose d'une certaine mobilité par rapport à la planche et de parties fixes 13. Les parties fixes 13 sont configurées pour être rendues solidaires de la face externe 2 de la planche 1. Typiquement, ces parties fixes 13 présentent des trous de passage 20 pour des vis 15 destinées à être vissées dans la planche 1, la tête de la vis 15 prenant appui sur la partie fixe 13. Une fois fixée à la planche 1, la partie fixe 13 n'admet alors aucun jeu par rapport à la planche 1.The interface plate 10 comprises a movable main part 14 which has a certain mobility with respect to the board and fixed parts 13. The fixed parts 13 are configured to be made integral with the outer face 2 of the board 1. Typically, these fixed parts 13 have through holes 20 for screws 15 to be screwed into the board 1, the head of the screw 15 bearing on the fixed part 13. Once fixed to the board 1, the fixed part 13 then admits no play with respect to the board 1.

Dans la présente invention, la direction transversale 102 est perpendiculaire aux directions longitudinale 101 et latérales référencée 103 sur les figures. Lorsque le ski est posé sur une surface plane, la direction transversale 102 correspond à la verticale. Dans ce qui suivra, on emploiera indirectement direction verticale et direction transversale 102.In the present invention, the transverse direction 102 is perpendicular to the longitudinal 101 and lateral directions referenced 103 in the figures. When the ski is placed on a flat surface, the transverse direction 102 corresponds to the vertical. In what follows, we will use indirectly vertical direction and transverse direction 102.

La plaque d'interface 10 présente également au moins une partie principale mobile 14 qui est partiellement mobile transversalement. Au centre de la partie principale 14, la plaque interface est solidaire de la planche à l'aide des vis 15', sans aucun jeu. A ces deux extrémités, la partie mobile peut se déplacer verticalement par rapport à la planche de glisse. Les extrémités de la partie mobile 14 transversalement présente des zones de butée 141 complémentaires de zones de butée 131 portée par la partie fixe 13. Ces deux zones de butée sont conformées pour limiter l'éloignement, selon la direction transversale 102, de la partie mobile 14 par rapport à la face externe 2 de la planche 1.The interface plate 10 also has at least one movable main portion 14 which is partially movable transversely. In the center of the main part 14, the interface plate is secured to the board with the screws 15 ', without any play. At these two ends, the movable part can move vertically relative to the gliding board. The ends of the movable portion 14 transversely has abutment zones 141 complementary to abutment areas 131 carried by the fixed portion 13. These two abutment zones are shaped to limit the distance, in the transverse direction 102, of the moving part. 14 relative to the outer face 2 of the board 1.

La partie mobile 14 comporte une face supérieure 11 destinée à recevoir un effort d'appui généré par l'utilisateur. Plus précisément, cet effort d'appui généré par l'utilisateur est transmis par ce dernier à la chaussure, puis au dispositif de retenue, puis à la partie mobile 14 transversalement de la plaque d'interface 10. Cet effort d'appui est illustré en figure 4 et est référencé F1.The movable portion 14 has an upper face 11 for receiving a user-generated bearing force. More specifically, this support force generated by the user is transmitted by the latter to the shoe, then to the retainer, then to the movable portion 14 transversely of the interface plate 10. This support force is illustrated in figure 4 and is referenced F1.

La partie mobile 14 comprend également une face inférieure 12 destinée à transmettre à la planche 1 l'effort d'appui appliqué sur la face supérieure 11. Dans la partie centrale, la face inférieure 12 est directement au contact de la planche de glisse tandis qu'aux deux extrémités cette face inférieure 12 est légèrement surélevée.The movable portion 14 also comprises a lower face 12 intended to transmit to the board 1 the support force applied to the upper face 11. In the central part, the lower face 12 is directly in contact with the gliding board while the at both ends this lower face 12 is slightly raised.

La figure 3 représente une coupe selon le plan III-II de la figure 1, c'est-à-dire au niveau des parties fixes 13 de l'interface 10.The figure 3 represents a section along the plane III-II of the figure 1 , that is to say at the level of the fixed parts 13 of the interface 10.

La distance entre la face externe 2 de la planche 1 et la zone de butée 131 de la partie fixe 13 de la plaque d'interface 10 d'une part et la distance entre la face inférieure 12 de la plaque d'interface 10 et la zone de butée 141 de la plaque d'interface 10 d'autre part sont choisies de manière à ménager un jeu J1 permettant un débattement vertical de la partie mobile 14 de la plaque d'interface 10 par rapport à la planche 1. Dans cette configuration, le jeu J1 est présent entre la face externe 2 de la planche 1 et la face inférieure 12 de la partie mobile 14 de la plaque d'interface 10 est illustré en figure 3.The distance between the outer face 2 of the board 1 and the abutment zone 131 of the fixed part 13 of the interface plate 10 on the one hand and the distance between the lower face 12 of the interface plate 10 and the the stop zone 141 of the interface plate 10 on the other hand are chosen so as to provide a clearance J1 allowing a vertical clearance of the movable portion 14 of the interface plate 10 relative to the board 1. In this configuration , the clearance J1 is present between the outer face 2 of the plate 1 and the lower face 12 of the movable portion 14 of the interface plate 10 is illustrated in FIG. figure 3 .

Dans le cadre de la présente invention, la face inférieure 12 est maintenue au contact de deux éléments montés mobiles par rapport à la planche 1. Ces éléments mobiles 31 sont en contact avec la plaque d'interface 10 et avec les pentes 6 solidaires de la planche 1. De préférence, ces pentes 6 peuvent être ménagées dans la planche 1, par exemple dans sa face externe 2. Alternativement, ces pentes 6 sont formées par une pièce rapportée sur la planche 1 et rendues solidaires de cette dernière. Dans le mode de réalisation décrit, les pentes 6 sont directement ménagées sur la face externe 2 de la planche 1.In the context of the present invention, the lower face 12 is held in contact with two elements mounted movable relative to the board 1. These movable elements 31 are in contact with the interface plate 10 and with the slopes 6 integral with the 1. Preferably, these slopes 6 can be formed in the board 1, for example in its external face 2. Alternatively, these slopes 6 are formed by an insert on the board 1 and made integral with the latter. In the embodiment described, the slopes 6 are directly formed on the outer face 2 of the board 1.

Les deux éléments mobiles 31, les pentes 6 sont symétriques l'une de l'autre par rapport au plan médian du ski, on se contentera dans la suite de cet exposé à n'en décrire qu'une seule.The two movable elements 31, the slopes 6 are symmetrical to each other with respect to the median plane of the ski, it will be content in the remainder of this presentation to describe only one.

La pente 6 est inclinée par rapport à la direction latérale 103. Ainsi, lorsque la planche est à plat, la pente 6 n'est ni verticale, ni horizontale. L'effort d'appui F1 s'exerçant généralement selon la direction transversale 102, cette pente 6 est donc également inclinée par rapport à la direction de l'effort d'appui F1.The slope 6 is inclined relative to the lateral direction 103. Thus, when the board is flat, the slope 6 is neither vertical nor horizontal. Since the bearing force F1 is generally in the transverse direction 102, this slope 6 is also inclined relative to the direction of the bearing force F1.

La pente 6 est inclinée de manière à se rapprocher de la carre 3 dont elle est la plus proche au fur et à mesure que la pente 6 s'éloigne de la face externe 2 de la planche 1. Autrement dit, à mesure que l'on se rapproche de la planche 1, la pente 6 se rapproche de la carre 3 dont elle est la plus proche.The slope 6 is inclined to approach the edge 3 of which it is the closest as the slope 6 away from the outer face 2 of the board 1. In other words, as the we approach the board 1, the slope 6 is close to the square 3 which it is closest.

L'élément mobile 31 présente une face inclinée 32 correspondant à l'inclinaison de la pente 6 portée par la planche 1. Ainsi, lorsque la plaque d'interface 10 exerce un effort transversal dirigé vers le bas sur l'élément mobile 31, ce dernier glisse le long de la pente 6 vers le bas, le mouvement transversal de la plaque d'interface 10 est donc transformé en un mouvement incliné selon la pente 6. Ainsi, l'invention convertit le mouvement transversal de la plaque d'interface 10 en un mouvement ayant une composante transversale et une composante latérale dirigées vers la carre 3 la plus proche. Le glissement de l'élément mobile 31 le long de la pente 6 est illustré en figure 4 et référencé d.The movable member 31 has an inclined face 32 corresponding to the inclination of the slope 6 carried by the board 1. Thus, when the interface plate 10 exerts a transverse force directed downwards on the movable member 31, this Last slid along the slope 6 downwards, the transverse movement of the interface plate 10 is thus transformed into a sloping movement according to the slope 6. Thus, the invention converts the transverse movement of the interface plate 10 in a movement having a transverse component and a lateral component directed towards the nearest square 3. The sliding of the movable element 31 along the slope 6 is illustrated in FIG. figure 4 and referenced d.

La planche 1 est également solidaire d'une paroi de butée 7 conformée pour stopper le glissement de l'élément mobile 31 sous l'effet de l'effort d'appui F1. De préférence, cette paroi de butée 7 est ménagée dans la face externe 2 de la planche 1. De préférence, la face externe 2 ménage au moins une cavité 4 formée par la pente 6, la paroi inclinée et éventuellement une paroi de fond reliant la pente 6 à la paroi de butée 7. Dans un autre mode de réalisation, non décrit, la cavité 4 est formée par une pièce fixée sans degrés de liberté à la planche 1.The board 1 is also integral with a stop wall 7 shaped to stop the sliding of the movable member 31 under the effect of the support force F1. Preferably, this abutment wall 7 is formed in the outer face 2 of the board 1. Preferably, the outer face 2 provides at least one cavity 4 formed by the slope 6, the inclined wall and optionally a bottom wall connecting the slope 6 to the abutment wall 7. In another embodiment, not described, the cavity 4 is formed by a piece fixed without degrees of freedom to the board 1.

Ainsi, l'effort d'appui F1 appliqué par l'utilisateur, référencé F1 en figure 4, est transmis à l'élément mobile 31, qui le transmet ensuite à la pente 6 puis à la paroi de butée 7. Cette dernière étant inclinée par rapport à la direction transversale 102, tout effort qui lui est appliqué génère donc, au niveau de la carre 3 la plus proche, un couple C référencé sur la figure 4, qui tend à rabattre la carre 3 vers l'intérieur de la planche 1, c'est-à-dire à l'amener au-delà d'un plan contenant la semelle. Ce couple a ainsi tendance à « tuiler » la semelle au moins à l'une de ses extrémités latérales, c'est-à-dire à enfoncer plus fortement la carre 3 dans la neige. L'effort exercé par l'élément mobile 31 sur la paroi de butée 7 et qui génère au moins un couple s'opposant au relèvement de la carre 3 et référencé F21 en figure 4.Thus, the F1 support force applied by the user, referenced F1 in figure 4 , is transmitted to the movable element 31, which then transmits it to the slope 6 and then to the abutment wall 7. The latter being inclined with respect to the transverse direction 102, any effort that is applied to it therefore generates, at the level of the nearest square 3, a C pair referenced on the figure 4 , which tends to fold the edge 3 towards the inside of the board 1, that is to say to bring it beyond a plane containing the sole. This couple thus tends to "tile" the sole at least at one of its lateral ends, that is to say to push more strongly the square 3 in the snow. The force exerted by the movable element 31 on the stop wall 7 and which generates at least one pair opposing the raising of the edge 3 and referenced F21 in figure 4 .

L'accroche de la carre 3 est alors améliorée et la réactivité en déclenchement de virage est augmentée.The grip of the edge 3 is then improved and the responsiveness in cornering is increased.

Dans le cadre du développement de la présente invention, il s'est avéré qu'avec les solutions connues, lorsque l'interface est trop étroite par rapport à la largeur de la planche 1, notamment au niveau du patin, l'effort transmis par l'utilisateur n'est plus à la verticale des carres. La semelle, à son extrémité latérale sensée accrocher à la neige, a tendance à fléchir comme illustré par la flèche FI en figure 4. La carre 3 de cette extrémité se relève et réduit donc l'accroche avec la neige.In the context of the development of the present invention, it has been found that with the known solutions, when the interface is too narrow with respect to the width of the board 1, in particular at the level of the pad, the force transmitted by the user is no longer vertical to the edges. The sole, at its lateral end, which is supposed to hang on the snow, tends to sag as illustrated by the arrow FI in figure 4 . The edge 3 of this end is raised and reduces the grip with the snow.

En prévoyant des moyens de conversion comprenant notamment, la partie mobile 14 de la plaque d'interface, l'élément mobile 31 et la pente 6, l'invention permet de déplacer le point d'application de l'effort d'appui F1 en le rapprochant latéralement de la carre 3 la plus proche. Le point d'application de l'effort est alors plus proche de la verticale passant par la carre 3. L'invention permet ainsi de limiter voire de supprimer la tendance naturelle au relèvement de la carre 3. L'effort d'appui F1 exercé sur la plaque d'interface 10 est donc converti en un effort présentant une composante F3 qui s'applique à proximité de la carre 3.By providing conversion means comprising, in particular, the mobile part 14 of the interface plate, the mobile element 31 and the slope 6, the invention makes it possible to move the point of application of the support force F1 into bringing it closer to the nearest square 3. The point of application of the force is then closer to the vertical passing by the edge 3. The invention thus makes it possible to limit or even eliminate the natural tendency to raise the edge 3. The F1 support force exerted on the interface plate 10 is therefore converted into a force having a component F3 which is applied near the edge 3.

De manière avantageuse, les moyens de conversion d'effort comprennent également un élément élastique 35 configuré pour faire glisser l'élément mobile 31 le long de la pente 6 en le ramenant dans sa position de repos. La position de repos est la position dans laquelle un effort d'appui nul ou inférieur à une valeur seuil est appliqué à la plaque d'interface 10. De préférence, cet élément élastique 35 est disposé en partie au moins entre la paroi de butée 7 et l'élément mobile 31. De préférence, cet élément élastique 35 travaille en compression. Ainsi, il se compresse lorsqu'un effort de compression supérieure à une valeur seuil est appliqué sur la plaque d'interface 10 et se détend lorsque cet effort baisse. De préférence, l'élément élastique 35 est une pièce en élastomère.Advantageously, the force conversion means also comprise an elastic element 35 configured to slide the movable element 31 along the slope 6 by returning it to its rest position. The position of rest is the position in which a support force of zero or less than a threshold value is applied to the interface plate 10. Preferably, this elastic element 35 is arranged in part at least between the abutment wall 7 and the movable member 31. Preferably, this elastic member 35 works in compression. Thus, it compresses when a compressive force greater than a threshold value is applied to the interface plate 10 and relaxes when this force drops. Preferably, the elastic member 35 is an elastomer piece.

La fonction des moyens de conversion va être expliquée plus en détail en référence aux figures 3 et 4.The function of the conversion means will be explained in more detail with reference to the Figures 3 and 4 .

L'élément mobile 31 est illustré en figure 3 en configuration de repos. Dans cette configuration, un effort d'appui nul ou faible est appliqué à la plaque d'interface 10. C'est typiquement le cas lorsque le skieur répartit son poids de manière homogène sur ses deux jambes, et/ou lorsqu'il ne subit pas d'accélération verticale et/ou lorsqu'il maintient la semelle à plat. Dans ce cas, l'élément élastique 35 repousse ou maintient l'élément mobile 31 vers le haut Ce dernier plaque alors la partie mobile 14 de la plaque d'interface 10 contre la zone de butée portée par la partie fixe 13 de la plaque d'interface 10.The movable element 31 is illustrated in figure 3 in rest configuration. In this configuration, a zero or low support force is applied to the interface plate 10. This is typically the case when the skier distributes his weight homogeneously on both his legs, and / or when he undergoes no vertical acceleration and / or when maintaining the soleplate flat. In this case, the elastic element 35 pushes or keeps the movable element 31 upwards. This latter plate then the mobile part 14 of the interface plate 10 against the abutment zone carried by the fixed part 13 of the plate. interface 10.

La figure 4 illustre la configuration où l'utilisateur exerce sur la plaque d'interface 10 un effort d'appui supérieur à un seuil prédéterminé. C'est typiquement le cas lorsque le skieur transfère une partie de son poids sur l'une seulement de ses jambes et/ou lorsqu'il subit une accélération verticale et/ou lorsque la semelle n'est pas à plat sur la neige.The figure 4 illustrates the configuration where the user exerts on the interface plate 10 a support force greater than a predetermined threshold. This is typically the case when the skier transfers some of his weight on only one of his legs and / or when he experiences a vertical acceleration and / or when the sole is not flat on the snow.

Dans ce cas, l'effort d'appui F1 fait descendre la partie mobile 14 de la plaque d'interface 10 vers le bas, ce qui repousse également vers le bas l'élément mobile 31 en le faisant glisser le long de la pente 6 jusqu'à compresser l'élément élastique 35. Le jeu J2 restant entre la face inférieure 12 de la plaque d'interface 10 et la face externe 2 de la planche est très nettement inférieur au jeu J1 comme illustré sur la figure 4. L'élément mobile 31, via l'élément élastique 35, transmet une partie de l'effort d'appui contre la paroi de butée 7 pour améliorer l'accroche de la carre 3 la plus proche de ladite paroi de butée 7.In this case, the bearing force F1 makes the moving part 14 of the interface plate 10 descend downwards, which also pushes down the movable member 31 by sliding it along the slope 6 to compress the elastic member 35. The game J2 remaining between the lower face 12 of the interface plate 10 and the outer face 2 of the board is significantly lower than the game J1 as illustrated on the figure 4 . The movable element 31, via the elastic element 35, transmits a portion of the abutment force against the abutment wall 7 to improve the grip of the edge 3 closest to said abutment wall 7.

Les dimensions, la raideur et l'élasticité de l'élément élastique 35 sont choisies pour définir le seuil d'effort d'appui à partir duquel l'élément mobile 31 est déplacé vers le bas.The dimensions, the stiffness and the elasticity of the elastic element 35 are chosen to define the threshold of support force from which the movable element 31 is moved downwards.

De manière particulièrement avantageuse, les moyens élastiques forment également des moyens d'amortissement conformés au moins pour absorber une partie au moins des vibrations et des chocs encaissés par le ski. Ces vibrations et chocs ont tendance à être transmis jusqu'à la chaussure. Ainsi, l'élément élastomère filtre les vibrations et les chocs et permet d'améliorer le contrôle et le confort du ski.In a particularly advantageous manner, the elastic means also form damping means shaped at least to absorb at least a portion of the vibrations and shocks received by the ski. These vibrations and shocks tend to be transmitted to the shoe. Thus, the elastomeric element filters vibrations and shocks and improves the control and comfort of the ski.

Dans le mode de réalisation décrit, l'inclinaison de la pente 6 (angle α) forme avec la direction latérale, c'est-à-dire l'horizontal si le ski est à plat, un angle compris entre 30 et 60° et préférentiellement entre 35 et 55°. Cela permet d'améliorer de façon particulièrement efficace l'accroche du ski et la réactivité au déclenchement au virage.In the embodiment described, the inclination of the slope 6 (angle α) forms with the lateral direction, that is to say the horizontal if the ski is flat, an angle of between 30 and 60 ° and preferably between 35 and 55 °. This makes it possible to improve the grip of the ski and the responsiveness to the turn initiation particularly effectively.

De manière préférée, la paroi de butée 7 forme avec la direction transversale 102, c'est-à-dire la verticale si le ski est à plat, un angle β inférieur à l'angle α. Cela permet d'assurer une transmission efficace de l'effort d'appui tout en limitant voire en empêchant le fluage de l'élément élastique 35.Preferably, the abutment wall 7 forms with the transverse direction 102, that is to say the vertical if the ski is flat, an angle β less than the angle α. This makes it possible to ensure efficient transmission of the support force while limiting or even preventing creep of the elastic element 35.

Typiquement, l'angle β est compris entre 15 et 35°. Il est de préférence égal à 20°.Typically, the angle β is between 15 and 35 °. It is preferably equal to 20 °.

De manière préférée, la pente 6 s'étend selon la direction longitudinale 101 de la planche 1, sur une longueur qui correspond à une portion au moins de la plaque d'interface 10. De préférence, l'élément mobile 31 s'étend longitudinalement sur une longueur supérieure à 80% et avantageusement égale à la longueur de la pente 6.Preferably, the slope 6 extends in the longitudinal direction 101 of the board 1, over a length that corresponds to at least a portion of the interface plate 10. Preferably, the movable member 31 extends longitudinally over a length greater than 80% and advantageously equal to the length of the slope 6.

Selon les modes de réalisation illustrés en figures 1 et 2, la planche 1 présente au moins deux pentes 6, disposées chacune d'un côté d'un plan médian longitudinal de la planche 1. Typiquement, deux cavités 4 disposées de part et d'autre des vis 15 de fixation de la plaque d'interface 10 à la planche 1, portent chacune une pente 6 s'étendant longitudinalement.According to the embodiments illustrated in figures 1 and 2 , the board 1 has at least two slopes 6, each disposed on one side of a longitudinal median plane of the board 1. Typically, two cavities 4 disposed on either side of the screws 15 for fixing the plate interface 10 to the board 1, each have a slope 6 extending longitudinally.

Dans le mode de réalisation de la figure 1, un seul élément mobile 31 et une seule cavité 4 sont disposés de chaque coté du plan médian longitudinal. De préférence on privilégie ce mode de réalisation lorsque les parties de la plaque d'interface 10 recevant les portions arrière et avant du dispositif de retenue de la chaussure sont solidaires comme illustré en figure 1. Ce mode de réalisation permet de simplifier l'assemblage de l'ensemble 100 et d'en améliorer la fiabilité.In the embodiment of the figure 1 a single movable element 31 and a single cavity 4 are arranged on each side of the longitudinal median plane. Preferably this embodiment is preferred when the portions of the interface plate 10 receiving the rear and front portions of the shoe retainer are integral as shown in FIG. figure 1 . This embodiment simplifies the assembly assembly 100 and improve reliability.

Dans le mode de réalisation illustré en figure 2, deux cavités 4 sont présentes de chaque côté du plan médian longitudinal, chaque cavité 4 logeant un élément élastique 35 et un élément mobile 31. Les deux cavités 4 disposées du même côté du plan médian longitudinal correspondent respectivement à une partie avant 18 et à une partie arrière 19 de la plaque d'interface 10. Ce mode de réalisation est privilégié lorsque les parties de la plaque d'interface 10 destinées à recevoir les portions avant et arrière du dispositif de retenue de la chaussure ne sont pas solidaires comme illustré en figure 2. La partie avant 18 est reliée à la partie arrière 19 par une pièce 16 aisément déformable. Il n'y a donc pas de transmission d'effort entre les deux parties 18, 19 de la plaque d'interface 10. Chaque partie 18, 19 de la plaque d'interface 10 a donc un comportement différent. Cela présente pour avantage d'améliorer le comportement du ski notamment en flexion autour d'un axe médian latéral.In the embodiment illustrated in figure 2 two cavities 4 are present on each side of the longitudinal median plane, each cavity 4 housing a resilient element 35 and a movable element 31. The two cavities 4 disposed on the same side of the longitudinal median plane respectively correspond to a front portion 18 and to a rear portion 19 of the interface plate 10. This embodiment is preferred when the portions of the interface plate 10 intended to receive the front and rear portions of the shoe retainer are not integral as illustrated in FIG. figure 2 . The front portion 18 is connected to the rear portion 19 by a part 16 easily deformable. There is therefore no transmission of force between the two parts 18, 19 of the interface plate 10. Each portion 18, 19 of the interface plate 10 therefore has a different behavior. This has the advantage of improving the behavior of the ski including bending around a lateral median axis.

Pour simplifier la fabrication des éléments mobiles et l'assemblage de l'ensemble 100, on peut prévoir une ou plusieurs liaisons transversales 36 souples, de préférence élastiques, entre deux éléments mobiles disposés de part et d'autre du plan médian longitudinal. Cette liaison souple 36 permet aux deux barrettes d'une même paire de s'éloigner ou se rapprocher l'une de l'autre sans contrainte. Les éléments mobiles se présentent alors sous la forme d'un jeu de barrettes par planche 1 comme illustré en figure 1 ou sous la forme de plusieurs jeux de barrettes par planche 1 comme illustré en figure 2.To simplify the manufacture of the movable elements and the assembly assembly 100, one can provide one or more flexible transverse connections 36, preferably elastic, between two movable elements disposed on either side of the longitudinal median plane. This flexible connection 36 allows the two bars of the same pair to move away or approach one another without constraint. The moving elements are then in the form of a set of strips per board 1 as illustrated in FIG. figure 1 or in the form of several sets of bars per board 1 as illustrated in figure 2 .

Dans les modes de réalisation alternatifs non décrits ici, la plaque d'interface comprend une partie avant et une partie arrière comme dans le mode décrit à la figure 2. Mais une seule des parties avant ou arrière est équipée de moyen de conversion.In alternative embodiments not described herein, the interface plate includes a front portion and a rear portion as in the mode described in FIG. figure 2 . But only one of the front or rear parts is equipped with conversion means.

Au vu de ce qui précède, il apparaît clairement que l'invention permet d'utiliser des plaques d'interface 10 de même dimension, notamment latérales, pour des skis de différentes largeurs et cela tout en conservant un niveau de performances élevé. Typiquement, la plaque d'interface peut avoir une largeur d'appui au contact du ski comprise entre 44 et 55 millimètres. Une telle plaque d'interface peut alors être montée sur des skis relativement étroits, typiquement des skis de piste, présentant par exemple une largeur au patin comprise entre 60 et 75 millimètres. L'invention permet également d'utiliser cette même plaque d'interface avec des skis plus larges, typiquement des skis de hors-piste présentant par ailleurs une largeur au patin supérieure à 80 millimètres et tout en conservant la performance de ce ski.In view of the foregoing, it is clear that the invention allows the use of interface plates 10 of the same size, including lateral, for skis of different widths and while maintaining a high level of performance. Typically, the interface plate may have a contact width in contact with the ski of between 44 and 55 millimeters. Such an interface plate can then be mounted on relatively narrow skis, typically runway skis, having for example a shoe width of between 60 and 75 millimeters. The invention also makes it possible to use this same interface plate with wider skis, typically off-piste skis which, moreover, have a shoe width greater than 80 millimeters and while maintaining the performance of this ski.

L'invention n'est pas limitée aux modes de réalisations précédemment décrits et s'étend à tous les modes de réalisation couverts par les revendications.The invention is not limited to the previously described embodiments and extends to all the embodiments covered by the claims.

Claims (11)

  1. Assembly (100) for a snowsports board (1), comprising:
    - a snowsports board (1) having at least one outer face (2) and at least one edge (3),
    - at least one interface plate (10) configured to participate in securing a boot to the snowsports board (1) and to receive a contact force (F1) oriented essentially perpendicular to the outer face (2),
    - a force conversion device (30) configured so as to convert said contact force (F1) into a force having a component that is inclined with respect to a perpendicular to the outer face (2) so as to oppose lifting of the edge (3) towards the outer face (2) of the border (1),
    characterized in that
    the force conversion device (30) comprises at least two slopes (6) that are one with the board (1) and at least two mobile elements (31) formed so as to receive, from the interface plate (10), at least part of the contact force (F1) and so as to each slide on one of the two slopes (6) in a first direction away from the median plane, the slopes (6) being inclined with respect to a transverse direction (102) that is perpendicular to the outer face (2),
    and in that the at least two slopes (6) are created each in a cavity (4) having at least one inclined wall forming the slope (6) and an abutment wall (7) formed to stop the mobile element (31) sliding in the first direction.
  2. Assembly (100) according to the preceding claim, in which the slopes (6) form an angle α of between 30° and 60° with a lateral direction (103) that is perpendicular to the transverse direction (102) and that extends over the width of the board (10).
  3. Assembly (100) according to either one of the preceding claims, in which the force conversion device (30) comprises elastic means that are arranged between an abutment wall (7) that is one with the board (1) and the mobile element (31) and are configured so as to absorb or damp the impacts experienced by the board (10) then transmitted from the board (1) to the interface plate (10).
  4. Assembly (100) according to any one of the three preceding claims, in which the force conversion device (30) comprises elastic means that are arranged between an abutment wall (7) that is one with the board (1) and the mobile element (31) and are configured so as to exert, on the mobile element (31), a return force that makes the mobile element (31) slide on the slope (6) in a second direction opposite the first direction, so as to return the mobile element (31) to a resting position.
  5. Assembly (100) according to Claims 1 and 2 combined, in which the abutment wall (7) forms, with the transverse direction (102), an angle β smaller than the angle α.
  6. Assembly (100) according to one of the preceding claims, in which the mobile elements (31) form bars extending in a longitudinal direction (101) of the board (1).
  7. Assembly (100) according to one of the preceding claims, in which the assembly (100) is configured such that the contact force (F1) applied by the user to the interface plate (10) is transmitted in its entirety to the at least one mobile element (31).
  8. Assembly (100) according to one of the preceding claims, in which the interface plate (10) comprises a rear portion (19) designed to receive a retention device for a rear portion of a boot, and comprises a front portion (18) designed to receive a retention device for a front portion of the boot, the front and rear portions (18, 19) of the interface plate (10) being as one, and in which the interface plate (10) is formed so as to press only on two mobile elements which are arranged on either side of a longitudinal median plane and which extend from one portion (18) to the other (19) of the interface plate (10).
  9. Assembly (100) according to one of Claims 1 to 7, in which the interface plate (10) comprises a rear portion (19) designed to receive a retention device for a rear portion of a boot, and comprises a front portion (18) designed to receive a retention device for a front portion of the boot, the front and rear portions (18, 19) of the interface plate (10) being separate from one another, and in which each interface portion (18, 19) is formed so as to press on two mobile elements which are arranged on either side of a longitudinal median plane, the mobile elements (31, 31) associated with the front portion (18) being separate from the mobile elements (31, 31) associated with the rear portion (19).
  10. Snowsports board (1) comprising at least one edge (3) and one outer face (2) comprising a receiving region for an interface plate (10) designed to participate in securing a boot to the board (1), the outer face (2) having at least two cavities (4) extending in a longitudinal direction (101), the cavities each having a slope (6) inclined in a transverse direction (102) that is perpendicular to the outer face (2) and receiving at least part of a mobile element (31), the mobile elements (31) being designed to receive, from the interface plate (10), a transverse force and being configured so as to press against the slope (6) such that they slide on the slope (6) towards the edge (3) when the force exceeds a given threshold, each cavity (4) having at least one inclined wall forming the slope (6) and an abutment wall (7) formed to stop the mobile element (31) sliding in the first direction.
  11. Board (1) according to the preceding claim, comprising elastic means that are arranged between an abutment wall (7) that is one with the board (1) and the mobile element (31) and are configured so as to exert, on the mobile element (31), a return force that makes the mobile element (31) slide on the slope (6) so as to move it away from the edge (3).
EP14000995.2A 2013-03-18 2014-03-18 Ski interface plate Not-in-force EP2781242B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1300627A FR3003179B1 (en) 2013-03-18 2013-03-18 INTERFACE PLATE FOR SKI

Publications (2)

Publication Number Publication Date
EP2781242A1 EP2781242A1 (en) 2014-09-24
EP2781242B1 true EP2781242B1 (en) 2016-09-14

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ID=48979797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14000995.2A Not-in-force EP2781242B1 (en) 2013-03-18 2014-03-18 Ski interface plate

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EP (1) EP2781242B1 (en)
FR (1) FR3003179B1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2785548B1 (en) * 1998-11-09 2000-12-15 Rossignol Sa SHOE BINDING OVERHEAD PLATFORM, FOR SNOW SKIING
FR2812210B1 (en) * 2000-07-26 2002-10-04 Rossignol Sa SNOWBOARD ON SNOW WITH A MOBILE PLATFORM FOR LIFTING SHOE BINDINGS
AT411152B9 (en) * 2000-12-18 2004-01-26 Fischer Gmbh CONNECTING DEVICE FOR CONNECTING A SKI BINDING TO THE SKI
FR2831829B1 (en) * 2001-11-06 2003-12-19 Rossignol Sa PLATFORM FOR INCREASING FASTENERS OF A SHOE, AND SNOWBOARD ON SNOW EQUIPPED WITH SUCH A PLATFORM
DE10303056A1 (en) * 2003-01-27 2004-08-12 Kneissl & friends Ges.m.b.H Ski, snow board or similar, has raised locations on top surface of binding region which support binding plates like a bridge.
FR2873043B1 (en) * 2004-07-15 2008-10-03 Skis Rossignol Sa Sa IMPROVEMENT FOR SNOWBOARD BOARD ON SNOW
AT507579B1 (en) * 2008-12-11 2011-01-15 Atomic Austria Gmbh SCHI OR SNOWBOARD WITH A PLATE-TYPE POWER TRANSMISSION ELEMENT

Also Published As

Publication number Publication date
FR3003179B1 (en) 2016-08-26
FR3003179A1 (en) 2014-09-19
EP2781242A1 (en) 2014-09-24

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