EP1308190B1 - Interface and a snowboard with such an interface - Google Patents

Interface and a snowboard with such an interface Download PDF

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Publication number
EP1308190B1
EP1308190B1 EP02356215A EP02356215A EP1308190B1 EP 1308190 B1 EP1308190 B1 EP 1308190B1 EP 02356215 A EP02356215 A EP 02356215A EP 02356215 A EP02356215 A EP 02356215A EP 1308190 B1 EP1308190 B1 EP 1308190B1
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EP
European Patent Office
Prior art keywords
platform
board
longitudinal parts
longitudinal
over snow
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.)
Expired - Lifetime
Application number
EP02356215A
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German (de)
French (fr)
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EP1308190A1 (en
Inventor
Jean-Christophe Godde
Denis Redor
Milena Stefanova
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Skis Rossignol SA
Original Assignee
Skis Rossignol SA
Rossignol SA
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Filing date
Publication date
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Publication of EP1308190A1 publication Critical patent/EP1308190A1/en
Application granted granted Critical
Publication of EP1308190B1 publication Critical patent/EP1308190B1/en
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Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/003Non-swivel sole plate fixed on the ski

Definitions

  • the present invention relates to a platform for raising the attachments of a shoe of a user of a board for gliding on snow.
  • the present invention also relates to a board for gliding on snow, such as a ski, a monoski or a surf, equipped with a platform for raising the fastenings of a shoe.
  • a platform of elevation of the bindings is reported in the skid zone of a gliding board, at its upper surface.
  • the platform is fixed to the board either directly by screws to obtain a rigid connection, or by means of resilient return means in the form, for example, of a layer of a material having properties of amortization.
  • EP-1.023.926 a platform in the form of two central support elements on which are placed cantilever two separate longitudinal uprights. At each of the two ends of the two longitudinal uprights are screwed two rigid plates connecting two by two the two uprights, to allow mounting of the fastening elements.
  • This platform is the lack of flexibility that can exist between the two amounts which are rendered fully mechanically coupled by both the central support elements and the two rigid end plates.
  • this type of platform arrangement is complex to assemble and has a relatively large weight.
  • the object of the invention is to provide a board for gliding on snow with a platform that is lighter thanks to a choice of shape, and that allows in addition to separate left and right supports, to transmit the applied efforts by the user on the board and the forces generated more directly at the left edge or the right edge.
  • a raising platform is intended to be mounted on the surface, upper snowboard to receive and elevate elements of a fixation solidarisant a shoe of a user to snowboard snowboard.
  • the raising platform is characterized in that it is divided into two longitudinal parts which are each directly placed on the upper surface of the snowboard and which are interconnected by at least one a bridge, at least one of the elements of said fastener being mounted directly on the two longitudinal parts of the platform.
  • bridge is meant a central portion physically located between the two longitudinal parts and the interconnecting.
  • the platform of the invention also allows to give the gliding board a new aesthetic, very slender, which can allow to leave visible the protective layer and decoration of the gliding board.
  • the platform according to the invention is also easy to manufacture and mount on the ski, because of its structure in one piece. In the present invention, the fastening elements are mounted directly on the platform, without requiring the presence of an intermediate fastening piece.
  • the bridge can be located under the shoe.
  • the platform may include a bridge that will be positioned between the front and back supports of the ski boot of the user on the platform.
  • the platform may comprise a bridge located at the front end of the two longitudinal parts.
  • the platform may comprise a bridge located at the rear end of the two longitudinal parts.
  • the platform may preferentially be made with one or more bridges, which may be integral with each of the two longitudinal parts.
  • the bridge or bridges may also be in a plane parallel to the gliding sole of the board sliding on snow.
  • the bridge may have at least one recess.
  • At least one of the two longitudinal parts of the platform may comprise at least one recess located at its contact surface with the upper surface of the snow gliding board.
  • This or these recesses can be filled with one or more materials having elasticity and damping properties.
  • a spacing may be provided between the two longitudinal portions. This spacing can be left free. This spacing can also be filled by a convex zone of the snow sliding board, protruding from the upper surface of the upper layer of protection and decoration of the snow gliding board. This spacing may also be filled by one or more materials with low flexural stiffness.
  • At least one of the two longitudinal parts of the platform may itself be divided transversely into at least two transverse pieces.
  • One or more spaces between at least one of the transverse pieces separated from each other may be filled with one or more materials having elasticity and damping properties.
  • the two longitudinal parts may, advantageously and in a third embodiment, be secured to a snow sliding board, which may have a thickness at the front portion of the mounting area of the upper platform to the thickness at the rear portion of the deck mounting area.
  • At least one of the two longitudinal parts of the platform can favorably include two different anchoring zones.
  • At least one first anchoring zone may allow a fixed positioning relative to the snow sliding board.
  • At least one second anchoring zone different from the first zone may allow positioning with sliding relative to the snow sliding board.
  • One of the anchoring zones can be favorably arranged at the level of the bridge or bridges.
  • At least one of the two longitudinal parts of the platform may have a tubular structure.
  • this structure tubular over part or all of its length, and over part or all of its width.
  • At least one of the two longitudinal parts of the platform can laterally extend by at least one lateral portion.
  • the one or both right and left side portions can then descend on each of the two lateral sides of the gliding board in the direction of the edges of the gliding board on snow.
  • the one or both lateral portions may possibly be supported on the snow sliding board above the side edges.
  • one or more of the lateral portions may each be located at the level of the bridge or bridges.
  • the lower edge of the lateral portion or portions of at least one of the two longitudinal parts of the platform may have, in a longitudinal plane, a non-zero angle of inclination with respect to the gliding sole of the gliding board on snow.
  • a right or left lateral portion of at least one of the two longitudinal portions can be positioned at the implantation zone of the abutment before the attachment of the boot on the snow gliding board.
  • a right or left lateral portion of at least one of the two longitudinal portions may be positioned at the level of the implantation area of the rear heel of the fastening of the boot on the snow gliding board.
  • a lateral portion of at least one of the two longitudinal portions may be positioned at the zone of implantation of the abutment before the attachment of the boot to the snowboard, and a lateral portion of at least one of the two longitudinal parts can be positioned at the level of the implantation zone of the rear heel of the fixation of the boot on the snowboard.
  • the platform may have an asymmetry in length between the two longitudinal parts.
  • the platform may have an asymmetry of width between the two longitudinal parts.
  • the platform may have an asymmetry of the mounting means between the two longitudinal parts.
  • the platform may have asymmetry in number of cross pieces between the two longitudinal parts.
  • the platform may have structural and material asymmetry between the two longitudinal parts.
  • the asymmetries mentioned above aim at improving the behavior of the two skis while turning, the runner being in support on his two skis.
  • the asymmetries mentioned above are intended to offer two types of behavior, if the skier puts his pair of ski left-right, or vice versa right-left. This allows the average skier to benefit from two pairs of skis in one, that is to say a ski more specifically dedicated to big curves and a ski specifically dedicated to short turns.
  • a snow sliding board is equipped with a platform as described above.
  • the gliding board may have on at least one of the two sides a lateral notch located above the edges and allowing positioning of the respective lateral portion of at least one of the two longitudinal parts of the platform.
  • the upper surface of the snow sliding board can come substantially flush with the rigid upper face of at least one of the two longitudinal parts of the platform.
  • the upper surface of the snow gliding board may favorably include one or two ribs separated by a central recess. The one or both ribs may be in the extension forward and rearward of one or both longitudinal parts of the platform.
  • the gliding board may advantageously comprise a height recess between the front portion of the mounting area of the platform and the rear portion of the platform mounting area. In this way, the thickness of the snow gliding board in the front portion of the deck mounting area may be greater than the thickness of the snow gliding board in the rear portion of the boarding area. mounting of the platform.
  • a snowboarding board of the conventional type (see FIGS. 1, 2, 3A, 3B, 4 and 5), such as an alpine ski (1), comprises a front zone comprising a spatula, a median zone called shoe (2), a rear area, an upper surface (3) formed by an upper layer of protection and decoration (4), and a gliding sole (5).
  • a platform (61) for raising the elements of the binding.
  • the platform (61) is placed on the upper surface. Therefore, and contrary to the state of the art, this platform (61) does not need supports or holding parts.
  • (A) denotes the front of the platform (61) oriented towards the spatula, that is to say the part or zone to which is more particularly implanted the front stop (7) of the fastening the boot on the ski (1).
  • the platform (61) is divided in two along the median longitudinal axis of the ski (1), and thus comprises two rigid longitudinal portions (9 and 10). According to the invention and in a first embodiment, a bridge (11) connects the two rigid longitudinal portions (9 and 10) in their central zone.
  • the platform (6) comprises two slots formed at its median longitudinal axis, that is to say also at the level of the median longitudinal axis of the ski (1), and opening towards the front (A) and backward.
  • the bridge (11) is positioned in a portion out of the fastening elements of the fastener (7 and 8). In order to allow a transmission of forces between one of the longitudinal portions (9) and the edge (31) associated with it, the bridge (11) will be located between the transmission zones of the forces (F) (see FIG. ) of the skier on the platform (61), that is to say between the front and rear supports of the ski boot. The transmission of forces (F) is achieved in part through the securing screws of the fastener elements (7 and 8).
  • the bridge (11) is placed under the shoe. This bridge (11) is thus placed relatively centrally with respect to the length of the two longitudinal portions (9 and 10).
  • the platform (61) seen from above will have the shape of a cross or regular X four branches of substantially the same length.
  • the platform (61) is screwed directly onto the upper surface (3) of the ski (1).
  • the screws pass through through holes formed through each of the two longitudinal portions (9 and 10) and through the bridge (11).
  • the platform (61) comprises four different anchoring zones (see Figures 4 and 6).
  • Two first anchoring zones or securing means allow a fixed positioning of the platform (61) relative to the ski (1).
  • These first two anchoring zones are constituted by round holes (12). With these round holes (12), sized and having a diameter substantially equal to the diameter of the fastening screw, no movement of the platform (61) relative to the rest of the ski (1) is possible.
  • a round hole (12) has thus been provided towards the front third of each of the two longitudinal portions (9 and 10) and two other round holes (12) have been provided at the rear of the bridge (11).
  • Two second anchoring zones or securing means allow sliding positioning of the platform (61) relative to the ski (1).
  • These two second anchoring zones consist of elongated holes (13). With these elongated holes (13), having a width substantially equal to the diameter of the securing screw, and dimensioned in length to allow a clearance of the platform (61), only a sliding in the longitudinal direction of the platform shape (61) relative to the rest of the ski (1) is possible.
  • Two elongated holes (13) have thus been provided to the two front and rear ends of each of the two longitudinal portions (9 and 10).
  • the two fixed anchor zones (12) add stiffness to the ski's own stiffness (1).
  • the ski (1) is thus free to deform without being subjected to rigidity of the platform ( 61).
  • the same platform (61) thus makes it possible to obtain different behaviors, by a simple adjustment made by the end user.
  • the platform (62) comprises two rigid and distinct longitudinal portions (9 and 101) and the bridge (11) connecting them.
  • this platform (62) has a shape asymmetry between the two longitudinal portions (9 and 101).
  • the first longitudinal portion (9) has a length corresponding to the length of the two longitudinal portions (9 and 10) of the first embodiment.
  • the second longitudinal portion (101) has a length less than that of the first longitudinal portion (9).
  • the first longitudinal portion (9), the longest, is preferably on the side of the inner edge (31) of the ski (1).
  • the second longitudinal portion (101), the shortest, is preferably mounted on the side of the outer edge (31) of the ski (1). Both skis, internal and external to the turn, bend differently and thus achieve different turning radii.
  • the platform (63) comprises two rigid and distinct longitudinal portions (92 and 102), and the bridge (11) connecting them.
  • this platform (63) has a shape asymmetry between the two longitudinal portions (92 and 102).
  • the first longitudinal portion (92) has a width greater than that of the two longitudinal portions (9 and 10) of the first embodiment.
  • the second longitudinal portion (102) has a width less than that of the two longitudinal portions (9 and 10) of the first embodiment.
  • the second longitudinal portion (102) is preferably mounted on the side of the outer edge (31) of the ski (1). This makes it possible to obtain the inner ski at the turn different from the outside ski at the turn and thus to have different turning radii.
  • the platform (64) comprises two rigid and distinct longitudinal portions (9 and 103). However, this platform (64) has an anchoring asymmetry or an asymmetry of the fastening means between the two longitudinal portions (9 and 103).
  • the first longitudinal portion (9) has the two anchoring zones (12 and 13) corresponding to the two anchoring zones (12 and 13) already described above for the first embodiment.
  • the second longitudinal portion (103) has no anchoring zones, or they are not used. This second longitudinal portion (103) is for example glued to the ski (1).
  • the platform (65) comprises a bridge (11a) positioned at its front portion (A).
  • the platform (65) comprises a slot formed at its median longitudinal axis, that is to say also at the median longitudinal axis of the ski (1), and opening towards the rear. This positioning of the bridge (11a) makes it possible to favor the entrance of the ski (1) in a curve.
  • the platform (66) comprises a bridge (11b) positioned at its rear portion.
  • the platform (66) comprises a slot formed at its median longitudinal axis, that is to say also at the median longitudinal axis of the ski (1), and opening towards the front (A). This positioning of the bridge (11b) makes it possible to give power and recovery at the end of the turn.
  • the platform (67) comprises two bridges (11a and 11b), respectively positioned at its front portion (A) and its rear portion.
  • the platform (67) comprises a slot formed at its median longitudinal axis, that is to say also at the level of the median longitudinal axis of the ski (1), and in position Central.
  • the various bridges (11, 11a and 11b) have a length substantially between 5% and 30% of the length of each of the two longitudinal portions (9 and 10).
  • the bridges (11, 11a and 11b) run from a longitudinal portion (9) to the other longitudinal portion (10), in a plane parallel to the glide base (5) of the ski (1).
  • the bridges (11, 11a and 11b) as the two longitudinal parts (9 and 10) are made of a light alloy, for example aluminum, integral with the two longitudinal portions (9 and 10). It will also be possible to provide bridges (11, 11a and 11b) in the form of inserts fixed by screws or glued to the two longitudinal parts (9 and 10), and being made of a different material.
  • each of the two longitudinal portions (9 and 10) and the bridge of the platform (68) comprise three recesses (14, 16 and 17) located at its face. contact with the upper surface (3) of the ski (1). Between the recesses (14, 16 and 17), the two parts longitudinal members (9 and 10) comprise rigid sectors (15) connected to the rigid upper face (20) of each of the two longitudinal portions (9 and 10) and of the bridge (11).
  • the recess (14) is located at the front (A) of the two longitudinal parts (9 and 10) of the platform (6).
  • the recess (16) is located in the center of the two longitudinal parts (9 and 10) and the bridge (11) of the platform (6).
  • the recess (17) is located at the rear of the two longitudinal parts (9 and 10) of the platform (6).
  • the shape of the central recess (16) is also arranged to substantially notch the upper face (20) of the two longitudinal portions (9 and 10).
  • the recesses (14, 16 and 17) may be filled with one or more materials having elasticity and damping properties.
  • Elastomers such as natural rubbers, polychloroprenes, butyl rubbers, EPDM, will be suitable materials for these uses.
  • the platform comprises two rigid and distinct longitudinal portions.
  • this platform has a structural asymmetry between the two longitudinal parts.
  • Two different materials can be used for each of the two longitudinal parts. Different stiffnesses will be considered with a first longitudinal portion made by way of example, polyamide and a second longitudinal portion made of aluminum.
  • one of the longitudinal parts with its recesses can have damping properties, while the other longitudinal parts with its recesses may have rebounding properties.
  • the bridge (11) is located at the front (A) of the platform (69), substantially similar to the fifth embodiment.
  • Each of the two longitudinal portions (9 and 10) is itself divided transversely into two transverse pieces (18 and 19). Each of these transverse pieces (18 and 19) is separated from each other, with a certain distance between them.
  • the spaces between the transverse pieces (18 and 19) are filled with one or more materials (21) having elasticity and / or damping properties. This material (21) physically secures the transverse parts (18 and 19), while allowing them freedom of movement.
  • the platform (70) comprises two rigid and distinct longitudinal portions. However, this platform (70) has an asymmetry of the number of constituent parts between the two longitudinal parts.
  • the first longitudinal portion (9) has the same dimensional and structural characteristics as the longitudinal portions (9 and 10) of the first embodiment.
  • the second longitudinal portion is itself divided into two transverse pieces (18 and 19). The two transverse pieces (18 and 19) of this second longitudinal portion are preferably mounted on the side of the outer edge (31) of the ski (1).
  • the two longitudinal portions (9 and 10) and the bridge (11) of the platform (71) are of the type described above in the first embodiment.
  • the ski (22) on which they are fixed has a height recess (H) in the middle of its pad zone (23).
  • the ski (22) will have in its front pad area (23) a thickness greater than the thickness of the rear pad area (24).
  • the two longitudinal parts (9 and 10) and the bridge (11), partly or in its entirety, of the platform (71) are mounted at the rear cantilevered, or they can rest at the rear on a thickness of a material (26) having elastic properties. It is preferable to use a material (26) having elastic properties with intrinsic damping coefficient tg ⁇ ⁇ 0.4, preferably tg ⁇ between 0.1 and 0.4, measured according to standard NF T 46 026 (at temperatures from -30 ° C to + 10 ° C and at frequencies from 0.1 Hz to 120 Hz).
  • the two longitudinal portions (9 and 10) are transversely separated from one another by two spacings (34) at the front and at the rear relative to the bridge (11), when this last is in the central position according to the first embodiment.
  • these spacings (34) are left free, the upper surface (3) of the upper layer of protection and decoration (4) is apparent, which creates attractive aesthetic effects.
  • the spacings (34) may also be filled with one or more materials, in the form of an insert, transparent or optionally having a color, and preferably a material with low bending stiffness.
  • the spacings (34) are filled by a convex zone (36) of the ski (1).
  • This convex zone (36) projects between the two longitudinal portions (9 and 10) of the platform (61), similar to that of the first embodiment, with respect to the upper surface (3) of the upper layer of protection and decoration (4). This avoids, for example, snow and ice jams in the zone of the spacings (34), while maintaining the partial mechanical decoupling of the two longitudinal portions (9 and 10).
  • the platform (73) with each of the two longitudinal portions (37 and 38) extends laterally by a lateral portion or an appendage respectively (39 and 41).
  • the two lateral portions (39 and 41) descend on each of the two lateral sides of the ski (1) towards the edges (31).
  • the longitudinal location of the lateral sides (39 and 41) may correspond to the longitudinal location of the bridge (11).
  • the ski (1) laterally comprises two recessed areas, that is to say two lateral notches (44), located above the edges (33), having a similar shape and complementary to the two portions laterally (39 and 41), and which allow positioning of these two lateral portions (39 and 41) of the two longitudinal portions (37 and 38).
  • the two lateral portions (39 and 41) are more directly supported by their rim or lower edge (43) on the ski (1), above the side edges (33).
  • the lower rim (43) is only located in a portion (41) of the lateral rim of the two longitudinal parts (38), unfolding downwards towards the edges (31).
  • the flanges (43) of the two lateral portions (39 and 41) may be parallel to the sliding surface (5) of the ski (1).
  • the flanges (43) of the two lateral portions (39 and 41) may also not be parallel to the sliding surface (5) of the ski (1), and in this case, a lower flange (43) of the two longitudinal parts ( 38) is not parallel to the surface of the gliding sole (5).
  • the lower edge (43) has, in a longitudinal plane, a non-zero angle of inclination ( ⁇ ) with respect to the surface of the sliding sole (5) or with respect to the upper surface (3) of the upper layer protection and decoration (4) of the ski (1).
  • This angle ( ⁇ ) is substantially between 1 and 20 °, and preferably substantially between 2 and 5 °.
  • This lateral portion (29) is positioned substantially in the middle of the two longitudinal portions (28), for example at the bridge (11). This allows to transfer the right and left pulses given by the skier directly towards the edges (31) right and left of the ski (1).
  • the platform (74) with each of the two longitudinal portions (38) comprises a lateral portion (41).
  • These two lateral portions (41) are more particularly positioned at the implantation zone of the abutment before the attachment of the boot on the ski (1) of each of the two longitudinal portions (38). This makes it possible to more efficiently transfer the pulses towards the front part of the right and left edges (31) of the ski (1) given by the skier at the turn entrance.
  • the platform (75) with each of the two longitudinal portions (37 and 38) comprises a lateral portion ( 41).
  • These two lateral portions (41) are more particularly positioned at the level of the implantation area of the rear heel of the attachment of the boot on the ski (1) of each of the two longitudinal portions (37 and 38). This makes it possible to more effectively transfer the pulses towards the rear part of the right and left edges (31) of the ski (1) given by the skier at the end of a turn.
  • the platform (76) with each of the two longitudinal portions (38) comprises two lateral portions (41a and 41b). .
  • These four lateral portions (41a and 41b) are more particularly positioned at the areas of implantation of the front stop and the heel of the rear fasteners of the shoe on the ski (1) of each of the two longitudinal portions (38). This makes it possible to transfer the pulses both forward and backwardly from the right and left edges (31), given by the skier at the entrance and exit of the turn.
  • the platform (77) with each of the two longitudinal portions (38) comprises two lateral portions (41a and 41b) which are more particularly positioned at the zones of implantation of the front stop and the rear heel of the bindings of the boot on the ski (1) of each of the two longitudinal portions (38).
  • the edges (33) have a constant height.
  • the edges (33) have a variable height, lower at the side portions (41a and 41b) and more important in the center, forward and back of the platform.
  • the upper layer of protection and decoration (4) then marries the shape of the songs (33).
  • the upper surface (3) of the ski (1) comprises two ribs (27 and 28) separated by a depression or hollow central (29).
  • the two ribs (27 and 28) are in the extension in the forward direction towards the spatula and towards the rear of each of the two longitudinal parts (18 and 38) of the platform (69, 74, 75, 76 and 77).
  • the upper surface (3) of the ski (1) comes substantially flush with the rigid upper face (20) of the two longitudinal portions ( 37 and 38) of the platform (74, 75, 76 and 77).
  • the platform (6) can be mounted on all types of ski (1), skis type “Dualtec ®", skis known as “rectangular section” and ski "shell structure”.

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Abstract

The platform (61) has two longitudinal portions (9,10) coupled together by at least one bridge (11). The bridge is positioned below the person's boot, to transmit force from the boot to the platform.

Description

La présente invention concerne une plate-forme de rehaussement des fixations d'une chaussure d'un utilisateur d'une planche de glisse sur neige.The present invention relates to a platform for raising the attachments of a shoe of a user of a board for gliding on snow.

La présente invention concerne également une planche de glisse sur neige, telle qu'un ski, un monoski ou un surf, équipée d'une plate-forme de surélévation des fixations d'une chaussure.The present invention also relates to a board for gliding on snow, such as a ski, a monoski or a surf, equipped with a platform for raising the fastenings of a shoe.

Une plate-forme de surélévation des fixations est rapportée dans la zone de patin d'une planche de glisse, au niveau de sa surface supérieure. La plate-forme est fixée à la planche soit directement par des vis pour obtenir une liaison rigide, soit grâce à des moyens de rappel élastique se présentant sous la forme, par exemple, d'une couche d'un matériau ayant des propriétés d'amortissement.A platform of elevation of the bindings is reported in the skid zone of a gliding board, at its upper surface. The platform is fixed to the board either directly by screws to obtain a rigid connection, or by means of resilient return means in the form, for example, of a layer of a material having properties of amortization.

Etat de la techniqueState of the art

On connaît d'après le document EP- 1.023.926 une plate-forme se présentant sous la forme de deux éléments support centraux sur lesquels sont posées en porte-à-faux deux montants longitudinaux distincts. A chacune des deux extrémités des deux montants longitudinaux sont vissées deux plaques rigides reliant deux à deux les deux montants, pour permettre le montage des éléments de fixation.It is known from EP-1.023.926 a platform in the form of two central support elements on which are placed cantilever two separate longitudinal uprights. At each of the two ends of the two longitudinal uprights are screwed two rigid plates connecting two by two the two uprights, to allow mounting of the fastening elements.

On connaît également d'après les documents FR- 2.774.001 et US- 6.217.055 une plate-forme se présentant sous la forme de quatre montants longitudinaux distincts. Sur les deux montants avants est vissée une première plaque transversale et sur les deux montants arrières est vissée une deuxième plaque transversale.It is also known from documents FR-2,774,001 and US-6,217,055 a platform in the form of four separate longitudinal uprights. On the two front uprights is screwed a first transverse plate and on the two rear uprights is screwed a second transverse plate.

L'inconvénient principal de cette plate-forme est l'absence de souplesse pouvant exister entre les deux montants qui sont rendus totalement couplés mécaniquement à la fois par les éléments supports centraux et par les deux plaques rigides d'extrémité. En outre, ce type d'agencement à plate-forme est complexe à assembler et présente un poids relativement important.The main disadvantage of this platform is the lack of flexibility that can exist between the two amounts which are rendered fully mechanically coupled by both the central support elements and the two rigid end plates. In addition, this type of platform arrangement is complex to assemble and has a relatively large weight.

Résumé de l'inventionSummary of the invention

Le but de l'invention est de proposer une planche de glisse sur neige avec une plate-forme qui soit plus légère grâce à un choix de forme, et qui permette en plus de séparer les appuis gauche et droit, afin de transmettre les efforts appliqués par l'utilisateur sur la planche et les forces engendrées plus directement au niveau de la carre gauche ou de la carre droite.The object of the invention is to provide a board for gliding on snow with a platform that is lighter thanks to a choice of shape, and that allows in addition to separate left and right supports, to transmit the applied efforts by the user on the board and the forces generated more directly at the left edge or the right edge.

Une plate-forme de rehaussement est destinée à être montée sur la surface, supérieure d'une planche de glisse sur neige pour recevoir et surélever des éléments d'une fixation solidarisant une chaussure d'un utilisateur à la planche de glisse sur neige.A raising platform is intended to be mounted on the surface, upper snowboard to receive and elevate elements of a fixation solidarisant a shoe of a user to snowboard snowboard.

Conformément à l'invention, la plate-forme de rehaussement est caractérisée en ce qu'elle est divisée en deux parties longitudinales qui sont chacune directement posées sur la surface supérieure de la planche de glisse sur neige et qui sont reliées entre elles par au moins un pont, l'un au moins des éléments de ladite fixation étant monté directement sur les deux parties longitudinales de la plateforme.According to the invention, the raising platform is characterized in that it is divided into two longitudinal parts which are each directly placed on the upper surface of the snowboard and which are interconnected by at least one a bridge, at least one of the elements of said fastener being mounted directly on the two longitudinal parts of the platform.

Par le terme « pont », on entend une partie centrale physiquement située entre les deux parties longitudinale et les interconnectant. La plate-forme selon l'invention permet également de conférer à la planche de glisse une esthétique nouvelle, très élancée, qui peut permettre de laisser visible la couche de protection et de décoration de la planche de glisse. La plate-forme selon l'invention est également aisée à fabriquer et à monter sur le ski, en raison de sa structure en un seul tenant. Dans la présente invention, les éléments de fixation sont montés directement sur la plate-forme, sans nécessiter la présence d'une pièce intermédiaire de solidarisation.By the term "bridge" is meant a central portion physically located between the two longitudinal parts and the interconnecting. The platform of the invention also allows to give the gliding board a new aesthetic, very slender, which can allow to leave visible the protective layer and decoration of the gliding board. The platform according to the invention is also easy to manufacture and mount on the ski, because of its structure in one piece. In the present invention, the fastening elements are mounted directly on the platform, without requiring the presence of an intermediate fastening piece.

Préférentiellement, le pont peut être situé sous la chaussure. La plate-forme peut comprendre un pont que l'on va positionner entre les appuis avant et arrière de la chaussure de ski de l'utilisateur sur la plate-forme. Favorablement, la plate-forme peut comprendre un pont situé à l'extrémité avant des deux parties longitudinales. De manière également favorable, la plate-forme peut comprendre un pont situé à l'extrémité arrière des deux parties longitudinales. La plate-forme peut préférentiellement être réalisée avec un ou plusieurs ponts, qui peuvent être d'un seul tenant avec chacune des deux parties longitudinales. Le ou les ponts peuvent également se trouver dans un plan parallèle à la semelle de glisse de la planche de glisse sur neige. De manière intéressante, le pont peut présenter au moins un évidement.Preferably, the bridge can be located under the shoe. The platform may include a bridge that will be positioned between the front and back supports of the ski boot of the user on the platform. Favorably, the platform may comprise a bridge located at the front end of the two longitudinal parts. Also favorably, the platform may comprise a bridge located at the rear end of the two longitudinal parts. The platform may preferentially be made with one or more bridges, which may be integral with each of the two longitudinal parts. The bridge or bridges may also be in a plane parallel to the gliding sole of the board sliding on snow. Interestingly, the bridge may have at least one recess.

De préférence, et dans un autre mode de réalisation, au moins l'une des deux parties longitudinales de la plate-forme peut comprendre au moins un évidement situé au niveau de sa face de contact avec la surface supérieure de la planche de glisse sur neige. Ce ou ces évidements peuvent être remplis par un ou plusieurs matériaux présentant des propriétés d'élasticité et d'amortissement.Preferably, and in another embodiment, at least one of the two longitudinal parts of the platform may comprise at least one recess located at its contact surface with the upper surface of the snow gliding board. . This or these recesses can be filled with one or more materials having elasticity and damping properties.

Dans certains cas, lorsque les deux parties longitudinales sont véritablement écartées l'une de l'autre, un espacement peut être prévu entre les deux parties longitudinales. Cet espacement peut être laissé libre. Cet espacement peut aussi être comblé par une zone convexe de la planche de glisse sur neige, faisant saillie par rapport à la surface supérieure de la couche supérieure de protection et de décoration de la planche de glisse sur neige. Cet espacement peut également être rempli par un ou plusieurs matériaux à raideur faible en flexion.In some cases, when the two longitudinal parts are truly spaced from each other, a spacing may be provided between the two longitudinal portions. This spacing can be left free. This spacing can also be filled by a convex zone of the snow sliding board, protruding from the upper surface of the upper layer of protection and decoration of the snow gliding board. This spacing may also be filled by one or more materials with low flexural stiffness.

De manière particulièrement intéressante, au moins l'une des deux parties longitudinales de la plate-forme peut être elle-même divisée transversalement en au moins deux pièces transversales. Un ou des espaces situés entre au moins l'une des pièces transversales séparées les unes des autres peuvent être remplis par un ou plusieurs matériaux présentant des propriétés d'élasticité et d'amortissement.In a particularly advantageous manner, at least one of the two longitudinal parts of the platform may itself be divided transversely into at least two transverse pieces. One or more spaces between at least one of the transverse pieces separated from each other may be filled with one or more materials having elasticity and damping properties.

Les deux parties longitudinales peuvent, avantageusement et dans un troisième mode de réalisation, être solidarisées à une planche de glisse sur neige, qui peut présenter une épaisseur au niveau de la portion avant de la zone de montage de la plate-forme supérieure à l'épaisseur au niveau de la portion arrière de la zone de montage de la plate-forme.The two longitudinal parts may, advantageously and in a third embodiment, be secured to a snow sliding board, which may have a thickness at the front portion of the mounting area of the upper platform to the thickness at the rear portion of the deck mounting area.

Pour assurer sa solidarisation à la planche de glisse sur neige, au moins l'une des deux parties longitudinales de la plate-forme peut favorablement comprendre deux zones d'ancrage différentes. Au moins une première zone d'ancrage peut permettre un positionnement fixe par rapport à la planche de glisse sur neige. Au moins une deuxième zone d'ancrage différente de la première zone peut permettre un positionnement avec coulissement par rapport à la planche de glisse sur neige. L'une des zones d'ancrage peut favorablement être ménagée au niveau du ou des ponts.To ensure its attachment to the snow sliding board, at least one of the two longitudinal parts of the platform can favorably include two different anchoring zones. At least one first anchoring zone may allow a fixed positioning relative to the snow sliding board. At least one second anchoring zone different from the first zone may allow positioning with sliding relative to the snow sliding board. One of the anchoring zones can be favorably arranged at the level of the bridge or bridges.

De manière préférentielle, au moins l'une des deux parties longitudinales de la plate-forme peut présenter une structure tubulaire. On peut prévoir cette structure tubulaire sur une partie ou sur la totalité de sa longueur, et sur une partie ou sur la totalité de sa largeur.Preferably, at least one of the two longitudinal parts of the platform may have a tubular structure. We can predict this structure tubular over part or all of its length, and over part or all of its width.

Dans un autre mode de réalisation, au moins l'une des deux parties longitudinales de la plate-forme peut latéralement se prolonger par au moins une portion latérale. La ou les deux portions latérales droite et gauche peuvent alors descendre sur chacun des deux côtés latéraux de la planche de glisse en direction des carres de la planche de glisse sur neige. La ou les deux portions latérales peuvent éventuellement prendre appui sur la planche de glisse sur neige au-dessus des chants latéraux. Très favorablement, une ou plusieurs des portions latérales peuvent chacune être situées au niveau du ou des ponts. Dans une variante de cette réalisation, le bord inférieur de la ou des portions latérales d'au moins l'une des deux parties longitudinales de la plate-forme peut présenter, dans un plan longitudinal, un angle d'inclinaison non nul par rapport à la semelle de glisse de la planche de glisse sur neige.In another embodiment, at least one of the two longitudinal parts of the platform can laterally extend by at least one lateral portion. The one or both right and left side portions can then descend on each of the two lateral sides of the gliding board in the direction of the edges of the gliding board on snow. The one or both lateral portions may possibly be supported on the snow sliding board above the side edges. Very favorably, one or more of the lateral portions may each be located at the level of the bridge or bridges. In a variant of this embodiment, the lower edge of the lateral portion or portions of at least one of the two longitudinal parts of the platform may have, in a longitudinal plane, a non-zero angle of inclination with respect to the gliding sole of the gliding board on snow.

Une portion latérale droite ou gauche d'au moins l'une des deux parties longitudinales peut être positionnée au niveau de la zone d'implantation de la butée avant de la fixation de la chaussure sur la planche de glisse sur neige. Une portion latérale droite ou gauche d'au moins l'une des deux parties longitudinales peut être positionnée au niveau de la zone d'implantation de la talonnière arrière de la fixation de la chaussure sur la planche de glisse sur neige. Une portion latérale d'au moins l'une des deux parties longitudinales peut être positionnée au niveau de la zone d'implantation de la butée avant de la fixation de la chaussure sur la planche de glisse sur neige, et une portion latérale d'au moins l'une des deux parties longitudinales peut être positionnée au niveau de la zone d'implantation de la talonnière arrière de la fixation de la chaussure sur la planche de glisse sur neige.A right or left lateral portion of at least one of the two longitudinal portions can be positioned at the implantation zone of the abutment before the attachment of the boot on the snow gliding board. A right or left lateral portion of at least one of the two longitudinal portions may be positioned at the level of the implantation area of the rear heel of the fastening of the boot on the snow gliding board. A lateral portion of at least one of the two longitudinal portions may be positioned at the zone of implantation of the abutment before the attachment of the boot to the snowboard, and a lateral portion of at least one of the two longitudinal parts can be positioned at the level of the implantation zone of the rear heel of the fixation of the boot on the snowboard.

La plate-forme peut présenter une asymétrie de longueur entre les deux parties longitudinales. La plate-forme peut présenter une asymétrie de largeur entre les deux parties longitudinales. La plate-forme peut présenter une asymétrie des moyens de montage entre les deux parties longitudinales. La plate-forme peut présenter une asymétrie en nombre de pièces transversales entre les deux parties longitudinales. La plate-forme peut présenter une asymétrie de structure et de matériaux entre les deux parties longitudinales.The platform may have an asymmetry in length between the two longitudinal parts. The platform may have an asymmetry of width between the two longitudinal parts. The platform may have an asymmetry of the mounting means between the two longitudinal parts. The platform may have asymmetry in number of cross pieces between the two longitudinal parts. The platform may have structural and material asymmetry between the two longitudinal parts.

Pour un ski de compétition, les asymétries mentionnées ci-dessus ont pour but d'améliorer les comportements des deux skis en virage, le coureur étant en appui sur ses deux skis. Pour un ski grand public, les asymétries mentionnées ci-dessus ont pour but d'offrir deux types de comportements, si le skieur met sa paire de ski gauche-droite, ou à l'inverse droite-gauche. Ceci permet au skieur moyen de bénéficier de deux paires de ski en une seule, c'est-à-dire un ski plus spécifiquement dédié aux grandes courbes et un ski plus spécifiquement dédié aux virages courts.For a ski of competition, the asymmetries mentioned above aim at improving the behavior of the two skis while turning, the runner being in support on his two skis. For a mainstream ski, the asymmetries mentioned above are intended to offer two types of behavior, if the skier puts his pair of ski left-right, or vice versa right-left. This allows the average skier to benefit from two pairs of skis in one, that is to say a ski more specifically dedicated to big curves and a ski specifically dedicated to short turns.

Conformément à un deuxième aspect de l'invention, une planche de glisse sur neige est équipée d'une plate-forme telle que décrite ci-dessus.According to a second aspect of the invention, a snow sliding board is equipped with a platform as described above.

La planche de glisse peut présenter sur au moins l'un des deux côtés une échancrure latérale située au-dessus des chants et permettant un positionnement de la portion latérale respective d'au moins l'une des deux parties longitudinales de la plate-forme. De manière intéressante, la surface supérieure de la planche de glisse sur neige peut venir sensiblement à fleur de la face supérieure rigide d'au moins l'une des deux parties longitudinales de la plate-forme. La surface supérieure de la planche de glisse sur neige peut favorablement comprendre une ou deux nervures séparées par un creux central. La ou les deux nervures peuvent être dans le prolongement vers l'avant et vers l'arrière de la ou des deux parties longitudinales de la plate-forme.The gliding board may have on at least one of the two sides a lateral notch located above the edges and allowing positioning of the respective lateral portion of at least one of the two longitudinal parts of the platform. Interestingly, the upper surface of the snow sliding board can come substantially flush with the rigid upper face of at least one of the two longitudinal parts of the platform. The upper surface of the snow gliding board may favorably include one or two ribs separated by a central recess. The one or both ribs may be in the extension forward and rearward of one or both longitudinal parts of the platform.

La planche de glisse peut avantageusement comprendre un décrochement de hauteur entre la portion avant de la zone de montage de la plate-forme et la portion arrière de la zone de montage de la plate-forme. De la sorte, l'épaisseur de la planche de glisse sur neige dans la portion avant de la zone de montage de la plate-forme peut être supérieure à l'épaisseur de la planche de glisse sur neige dans la portion arrière de la zone de montage de la plate-forme.The gliding board may advantageously comprise a height recess between the front portion of the mounting area of the platform and the rear portion of the platform mounting area. In this way, the thickness of the snow gliding board in the front portion of the deck mounting area may be greater than the thickness of the snow gliding board in the rear portion of the boarding area. mounting of the platform.

Description des dessinsDescription of the drawings

L'invention sera bien comprise et ses divers avantages et différentes caractéristiques ressortiront mieux lors de la description suivante, de l'exemple non limitatif de réalisation, en référence aux dessins schématiques annexés, dans lesquels :

  • la Figure 1 représente une vue du dessus d'une plate-forme selon un premier mode de réalisation avec des fixations, montée sur un ski en vue partielle ;
  • la Figure 2 représente une vue en perspective latérale avant de la plate-forme de la Figure 1, sans les fixations et montée sur un ski en vue partielle ;
  • les Figures 3A et 3B représentent respectivement une vue gauche et une vue droite en coupe transversale selon le plan III - III du ski de la Figure 1 ;
  • la Figure 4 représente une vue du dessus de la plate-forme selon le premier mode de réalisation, montée sur un ski en vue partielle ;
  • la Figure 5 représente une vue partielle en coupe longitudinale de la plate-forme selon le plan V - V de la Figure 4 ;
  • la Figure 6 représente une vue du dessus d'une plate-forme selon un deuxième mode de réalisation, montée sur un ski en vue partielle ;
  • la Figure 7 représente une vue en coupe transversale d'un ski avec une plate-forme selon un troisième mode de réalisation ;
  • la Figure 8 représente une vue du dessus d'une plate-forme selon un quatrième mode de réalisation, montée sur un ski en vue partielle ;
  • la Figure 9 représente une vue du dessus d'une plate-forme selon un cinquième mode de réalisation ;
  • la Figure 10 représente une vue du dessus d'une plate-forme selon un sixième mode de réalisation ;
  • la Figure 11 représente une vue du dessus d'une plate-forme selon un septième mode de réalisation ;
  • la Figure 12 représente une vue partielle latérale d'un ski avec une plate-forme selon un huitième mode de réalisation ;
  • la Figure 13 représente une vue du dessus d'une plate-forme selon un neuvième mode de réalisation, montée sur un ski en vue partielle ;
  • la Figure 14 représente une vue du dessus de la plate-forme selon un dixième mode de réalisation, montée sur un ski en vue partielle ;
  • la Figure 15 représente une vue du dessus d'une plate-forme selon un onzième mode de réalisation, montée sur un ski en vue partielle ;
  • la Figure 16 représente une vue partielle en coupe longitudinale du ski et de sa plate-forme selon le plan XVI - XVI de la Figure 15 ;
  • la Figure 17 représente une vue en coupe transversale d'un ski avec une plate-forme selon un douzième mode de réalisation ;
  • la Figure 18 représente une vue partielle latérale d'un ski avec une plate-forme selon un treizième mode de réalisation ;
  • la Figure 19 représente une vue partielle latérale d'un ski avec une plate-forme selon un quatorzième mode de réalisation ;
  • la Figure 20 représente une vue partielle latérale d'un ski avec une plate-forme selon un quinzième mode de réalisation ;
  • la Figure 21 représente une vue partielle latérale d'un ski avec une plate-forme selon un seizième mode de réalisation ;
  • la Figure 22 représente une vue partielle latérale d'un ski avec une plate-forme selon un dix-septième mode de réalisation ; et
  • la Figure 23 représente une vue en coupe transversale selon le plan XXIII - XXIII de la Figure 20 d'un ski avec sa plate-forme selon le quinzième mode de réalisation.
The invention will be better understood and its various advantages and different characteristics will become more apparent in the following description, of the nonlimiting exemplary embodiment, with reference to the appended diagrammatic drawings, in which:
  • Figure 1 shows a top view of a platform according to a first embodiment with fasteners, mounted on a ski in partial view;
  • Figure 2 shows a front side perspective view of the platform of Figure 1, without the fixings and mounted on a ski in partial view;
  • Figures 3A and 3B show respectively a left view and a right view in cross section along the plane III-III of the ski of Figure 1;
  • Figure 4 shows a top view of the platform according to the first embodiment, mounted on a ski in partial view;
  • Figure 5 shows a partial longitudinal sectional view of the platform along the plane V - V of Figure 4;
  • Figure 6 shows a top view of a platform according to a second embodiment, mounted on a ski in partial view;
  • Figure 7 shows a cross-sectional view of a ski with a platform according to a third embodiment;
  • Figure 8 shows a top view of a platform according to a fourth embodiment, mounted on a ski in partial view;
  • Figure 9 shows a top view of a platform according to a fifth embodiment;
  • Figure 10 shows a top view of a platform according to a sixth embodiment;
  • Figure 11 shows a top view of a platform according to a seventh embodiment;
  • Figure 12 shows a partial side view of a ski with a platform according to an eighth embodiment;
  • Figure 13 shows a top view of a platform according to a ninth embodiment, mounted on a ski in partial view;
  • Figure 14 shows a top view of the platform according to a tenth embodiment, mounted on a ski in partial view;
  • Figure 15 shows a top view of a platform according to an eleventh embodiment, mounted on a ski in partial view;
  • Figure 16 shows a partial longitudinal sectional view of the ski and its platform according to the plane XVI - XVI of Figure 15;
  • Figure 17 shows a cross-sectional view of a ski with a platform according to a twelfth embodiment;
  • Figure 18 shows a partial side view of a ski with a platform according to a thirteenth embodiment;
  • Figure 19 shows a partial side view of a ski with a platform according to a fourteenth embodiment;
  • Figure 20 shows a partial side view of a ski with a platform according to a fifteenth embodiment;
  • Figure 21 shows a partial side view of a ski with a platform according to a sixteenth embodiment;
  • Fig. 22 is a partial side view of a ski with a platform according to a seventeenth embodiment; and
  • 23 shows a cross-sectional view along the plane XXIII-XXIII of FIG. 20 of a ski with its platform according to the fifteenth embodiment.

Description détailléedetailed description

Une planche de glisse sur neige, de type classique (voir Figures 1, 2, 3A, 3B, 4 et 5), telle qu'un ski alpin (1), comprend une zone avant comportant une spatule, une zone médiane appelée zone de patin (2), une zone arrière, une surface supérieure (3) formée par une couche supérieure de protection et de décoration (4), et une semelle de glisse (5). Au niveau de la zone de patin (2), est positionnée une plate-forme (61) de surélévation des éléments de la fixation. La plate-forme (61) est posée sur la surface supérieure. De ce fait et contrairement à l'état de la technique, cette plate-forme (61) n'a pas besoin de supports ou de pièces de maintien.A snowboarding board of the conventional type (see FIGS. 1, 2, 3A, 3B, 4 and 5), such as an alpine ski (1), comprises a front zone comprising a spatula, a median zone called shoe (2), a rear area, an upper surface (3) formed by an upper layer of protection and decoration (4), and a gliding sole (5). At the level of the shoe zone (2) is positioned a platform (61) for raising the elements of the binding. The platform (61) is placed on the upper surface. Therefore, and contrary to the state of the art, this platform (61) does not need supports or holding parts.

Les éléments de la fixation, c'est-à-dire la butée avant (7) et la talonnière (8) sont vissés sur la plate-forme de surélévation (61). Dans toutes les Figures, (A) désigne l'avant de la plate-forme (61) orientée vers la spatule, c'est-à-dire la partie ou zone vers laquelle est plus particulièrement implantée la butée avant (7) de la fixation de la chaussure sur le ski (1).The elements of the binding, that is to say the front stop (7) and the heel (8) are screwed on the platform elevation (61). In all the figures, (A) denotes the front of the platform (61) oriented towards the spatula, that is to say the part or zone to which is more particularly implanted the front stop (7) of the fastening the boot on the ski (1).

La plate-forme (61) est divisée en deux selon l'axe longitudinal médian du ski (1), et comprend de ce fait deux parties longitudinales rigides (9 et 10). Conformément à l'invention et dans un premier mode de réalisation, un pont (11) relie les deux parties longitudinales rigides (9 et 10) dans leur zone médiane. En d'autres termes, la plate-forme (6) comprend deux fentes ménagées au niveau de son axe longitudinal médian, c'est-à-dire également au niveau de l'axe longitudinal médian du ski (1), et débouchant vers l'avant (A) et vers l'arrière.The platform (61) is divided in two along the median longitudinal axis of the ski (1), and thus comprises two rigid longitudinal portions (9 and 10). According to the invention and in a first embodiment, a bridge (11) connects the two rigid longitudinal portions (9 and 10) in their central zone. In other words, the platform (6) comprises two slots formed at its median longitudinal axis, that is to say also at the level of the median longitudinal axis of the ski (1), and opening towards the front (A) and backward.

Le pont (11) est positionné dans une portion hors de la solidarisation des éléments de la fixation (7 et 8). Afin de permettre une transmission des efforts entre l'une des parties longitudinales (9) et la carre (31) qui lui est associée, le pont (11) va se situer entre les zones de transmission des efforts (F) (voir Figure 5) du skieur sur la plate-forme (61), c'est-à-dire entre les appuis avant et arrière de la chaussure de ski. La transmission des efforts (F) se réalise en partie au travers des vis de solidarisation des éléments de la fixation (7 et 8).The bridge (11) is positioned in a portion out of the fastening elements of the fastener (7 and 8). In order to allow a transmission of forces between one of the longitudinal portions (9) and the edge (31) associated with it, the bridge (11) will be located between the transmission zones of the forces (F) (see FIG. ) of the skier on the platform (61), that is to say between the front and rear supports of the ski boot. The transmission of forces (F) is achieved in part through the securing screws of the fastener elements (7 and 8).

Bien que le positionnement des éléments de la fixation (7 et 8) et ainsi de la chaussure puissent être variables, notamment en raison des différentes pointures de chaussure ou du réglage souhaité par le skieur, le pont (11) se place sous la chaussure. Ce pont (11) est ainsi placé relativement de façon centralisée par rapport à la longueur des deux parties longitudinales (9 et 10). La plate-forme (61) vue du dessus va présenter la forme d'une croix ou d'un X régulier aux quatre branches sensiblement de même longueur.Although the positioning of the elements of the binding (7 and 8) and thus the shoe can be variable, in particular because of the different shoe sizes or the adjustment desired by the skier, the bridge (11) is placed under the shoe. This bridge (11) is thus placed relatively centrally with respect to the length of the two longitudinal portions (9 and 10). The platform (61) seen from above will have the shape of a cross or regular X four branches of substantially the same length.

La possibilité d'avoir deux parties longitudinales assez distinctes (9 et 10) va faire que les appuis exercés par le skieur sur l'une ou l'autre des deux parties longitudinales (9 ou 10) vont se transmettre directement à la carre (31) qui lui est associée et située juste en dessous, lorsqu'en virage le skieur bascule son ski (1) sur cette carre (31). La transmission des forces est plus particulièrement représentée en Figure 3A, dans laquelle le skieur, étant en appui sur la carre gauche (31), engendre la force (FL) avec sa ligne de transmission d'efforts (LL) (représentée en pointillés) partant de la première partie longitudinale (9) et rejoignant la carre gauche (31). Dans la Figure 3B, le skieur, étant en appui sur la carre droite (31), engendre la force (FR) avec sa ligne de transmission d'efforts (LR) (représentée en pointillés) partant de la deuxième partie longitudinale (10) et rejoignant la carre droite (31).The possibility of having two rather distinct longitudinal portions (9 and 10) will make the skier's support on one or the other of the two longitudinal portions (9 or 10) will be transmitted directly to the edge (31). ) which is associated with it and located just below, when in turn the skier rocks his ski (1) on this edge (31). The transmission of forces is more particularly represented in FIG. 3A, in which the skier, being resting on the left edge (31), generates the force (FL) with his force transmission line (LL) (shown in dotted lines). starting from the first longitudinal portion (9) and joining the left edge (31). In FIG. 3B, the skier, bearing on the right edge (31), generates the force (FR) with his force transmission line (LR) (shown in dashed lines) starting from the second longitudinal portion (10). and joining the right edge (31).

Ainsi de par la désolidarisation mécanique partielle des deux parties longitudinales (9 et 10) qui sont en majeure partie ainsi fonctionnellement découplées, les appuis et les forces engendrées sur l'une des parties longitudinales (9) ne vont que très peu se transmettre à l'autre des parties longitudinales (10).Thus, due to the partial mechanical separation of the two longitudinal portions (9 and 10) which are for the most part thus functionally decoupled, the supports and the forces generated on one of the longitudinal portions (9) are only very slightly transmitted to one another. other longitudinal parts (10).

Dans les Figures 1, 2, 3A, 3B, 4, 6, 7 8, 10, 11, 13, 14, 15, 17 et 23, les deux parties longitudinales (9 et 10) sont transversalement nettement séparées l'une de l'autre, avec une distance entre elles. Cette séparation choisie fait que la plate-forme (6) gagne en légèreté en raison de la quasi-absence de matière et de la perte de poids au centre des deux extrémités avant (A) et arrière.In FIGS. 1, 2, 3A, 3B, 4, 6, 7, 8, 10, 11, 13, 14, 15, 17 and 23, the two longitudinal portions (9 and 10) are transversely distinct from one another. other, with a distance between them. This chosen separation makes the platform (6) gains in weightlessness due to the near-absence of material and weight loss at the center of both front (A) and rear ends.

Pour assurer le maintien de la plate-forme (61) au ski (1), la plate-forme (61) est vissée directement sur la surface supérieure (3) du ski (1). Les vis passent par des trous traversant ménagés au travers de chacune des deux parties longitudinales (9 et 10), ainsi qu'au travers du pont (11).To maintain the platform (61) to the ski (1), the platform (61) is screwed directly onto the upper surface (3) of the ski (1). The screws pass through through holes formed through each of the two longitudinal portions (9 and 10) and through the bridge (11).

La plate-forme (61) comprend quatre zones d'ancrage différentes (voir Figures 4 et 6). Deux premières zones d'ancrage ou moyens de solidarisation permettent un positionnement fixe de la plate-forme (61) par rapport au ski (1). Ces deux premières zones d'ancrage sont constituées par des trous ronds (12). Avec ces trous ronds (12), dimensionnés et présentant un diamètre sensiblement égal au diamètre de la vis de solidarisation, aucun mouvement de la plate-forme (61) par rapport au reste du ski (1) n'est possible. Un trou rond (12) a été ainsi prévu vers le tiers avant de chacune des deux parties longitudinales (9 et 10) et deux autres trous ronds (12) ont été prévus à l'arrière du pont (11).The platform (61) comprises four different anchoring zones (see Figures 4 and 6). Two first anchoring zones or securing means allow a fixed positioning of the platform (61) relative to the ski (1). These first two anchoring zones are constituted by round holes (12). With these round holes (12), sized and having a diameter substantially equal to the diameter of the fastening screw, no movement of the platform (61) relative to the rest of the ski (1) is possible. A round hole (12) has thus been provided towards the front third of each of the two longitudinal portions (9 and 10) and two other round holes (12) have been provided at the rear of the bridge (11).

Deux deuxièmes zones d'ancrage ou moyens de solidarisation permettent un positionnement avec coulissement de la plate-forme (61) par rapport au ski (1). Ces deux deuxièmes zones d'ancrage sont constituées par des trous allongés (13). Avec ces trous allongés (13), présentant une largeur sensiblement égale au diamètre de la vis de solidarisation, et dimensionnés en longueur pour pouvoir permettre un débattement de la plate-forme (61), seul un coulissement dans le sens longitudinal de la plate-forme (61) par rapport au reste du ski (1) est possible. Deux trous allongés (13) ont été ainsi prévus vers les deux extrémités avant et arrière de chacune des deux parties longitudinales (9 et 10).Two second anchoring zones or securing means allow sliding positioning of the platform (61) relative to the ski (1). These two second anchoring zones consist of elongated holes (13). With these elongated holes (13), having a width substantially equal to the diameter of the securing screw, and dimensioned in length to allow a clearance of the platform (61), only a sliding in the longitudinal direction of the platform shape (61) relative to the rest of the ski (1) is possible. Two elongated holes (13) have thus been provided to the two front and rear ends of each of the two longitudinal portions (9 and 10).

Vers le tiers avant de chacune des deux parties longitudinales (9 et 10) et vers l'arrière du pont (11), les deux zones d'ancrage fixes (12) ajoutent de la raideur à la raideur propre du ski (1). Au niveau des deux extrémités de chacune des deux parties longitudinales (9 et 10), avec les deux zones d'ancrage coulissantes (13), le ski (1) est ainsi libre de se déformer sans subir de contraintes de la plate-forme (61). La même plate-forme (61) permet donc d'obtenir des comportements différents, par un simple ajustement effectué par l'utilisateur final.Towards the front third of each of the two longitudinal portions (9 and 10) and towards the rear of the deck (11), the two fixed anchor zones (12) add stiffness to the ski's own stiffness (1). At the two ends of each of the two longitudinal portions (9 and 10), with the two sliding anchoring zones (13), the ski (1) is thus free to deform without being subjected to rigidity of the platform ( 61). The same platform (61) thus makes it possible to obtain different behaviors, by a simple adjustment made by the end user.

Dans un deuxième mode de réalisation (voir Figure 6), la plate-forme (62) comprend deux parties longitudinales rigides et distinctes (9 et 101), ainsi que le pont (11) les reliant. Cependant, cette plate-forme (62) présente une asymétrie de forme entre les deux parties longitudinales (9 et 101). La première partie longitudinale (9) possède une longueur correspondant à la longueur des deux parties longitudinales (9 et 10) du premier mode de réalisation. La deuxième partie longitudinale (101) possède une longueur inférieure à celle de la première partie longitudinale (9). La première partie longitudinale (9), la plus longue, est préférentiellement du côté de la carre interne (31) du ski (1). La deuxième partie longitudinale (101), la plus courte, est préférentiellement montée du côté de la carre externe (31) du ski (1). Les deux skis, interne et externe par rapport au virage, se cintrent différemment et réalisent ainsi des rayons de virage différents.In a second embodiment (see FIG. 6), the platform (62) comprises two rigid and distinct longitudinal portions (9 and 101) and the bridge (11) connecting them. However, this platform (62) has a shape asymmetry between the two longitudinal portions (9 and 101). The first longitudinal portion (9) has a length corresponding to the length of the two longitudinal portions (9 and 10) of the first embodiment. The second longitudinal portion (101) has a length less than that of the first longitudinal portion (9). The first longitudinal portion (9), the longest, is preferably on the side of the inner edge (31) of the ski (1). The second longitudinal portion (101), the shortest, is preferably mounted on the side of the outer edge (31) of the ski (1). Both skis, internal and external to the turn, bend differently and thus achieve different turning radii.

Dans un troisième mode de réalisation (voir Figure 7), la plate-forme (63) comprend deux parties longitudinales rigides et distinctes (92 et 102), ainsi que le pont (11) les reliant. Cependant, cette plate-forme (63) présente une asymétrie de forme entre les deux parties longitudinales (92 et 102). La première partie longitudinale (92) possède une largeur supérieure à celle des deux parties longitudinales (9 et 10) du premier mode de réalisation. La deuxième partie longitudinale (102) possède une largeur inférieure à celle des deux parties longitudinales (9 et 10) du premier mode de réalisation. La deuxième partie longitudinale (102) est préférentiellement montée du côté de la carre externe (31) du ski (1). Ceci permet d'obtenir le ski intérieur au virage différent du ski extérieur au virage et donc d'avoir des rayons de virage différents.In a third embodiment (see Figure 7), the platform (63) comprises two rigid and distinct longitudinal portions (92 and 102), and the bridge (11) connecting them. However, this platform (63) has a shape asymmetry between the two longitudinal portions (92 and 102). The first longitudinal portion (92) has a width greater than that of the two longitudinal portions (9 and 10) of the first embodiment. The second longitudinal portion (102) has a width less than that of the two longitudinal portions (9 and 10) of the first embodiment. The second longitudinal portion (102) is preferably mounted on the side of the outer edge (31) of the ski (1). This makes it possible to obtain the inner ski at the turn different from the outside ski at the turn and thus to have different turning radii.

Dans un quatrième mode de réalisation (voir Figure 8), la plate-forme (64) comprend deux parties longitudinales rigides et distinctes (9 et 103). Cependant, cette plate-forme (64) présente une asymétrie d'ancrage ou encore une asymétrie des moyens de fixation entre les deux parties longitudinales (9 et 103). La première partie longitudinale (9) possède les deux zones d'ancrage (12 et 13) correspondant aux deux zones d'ancrage (12 et 13) déjà décrites ci-dessus pour le premier mode de réalisation. La deuxième partie longitudinale (103) ne possède pas de zones d'ancrage, ou bien encore ces dernières ne sont pas utilisées. Cette deuxième partie longitudinale (103) est par exemple collée sur le ski (1). On pourra également prévoir deux types de collages différents pour chacune des parties longitudinales. De cette manière, les contacts et déformations du ski diffèrent entre le ski intérieur au virage et le ski extérieur au virage, la plate-forme découplant les appuis droits des appuis gauches.In a fourth embodiment (see Figure 8), the platform (64) comprises two rigid and distinct longitudinal portions (9 and 103). However, this platform (64) has an anchoring asymmetry or an asymmetry of the fastening means between the two longitudinal portions (9 and 103). The first longitudinal portion (9) has the two anchoring zones (12 and 13) corresponding to the two anchoring zones (12 and 13) already described above for the first embodiment. The second longitudinal portion (103) has no anchoring zones, or they are not used. This second longitudinal portion (103) is for example glued to the ski (1). We can also provide two different types of collages for each of the longitudinal parts. In this way, the contacts and deformations of the ski differ between the ski inside the bend and the outside ski at the bend, the platform decoupling the right supports from the left supports.

Dans un cinquième mode de réalisation (voir Figure 9), la plate-forme (65) comprend un pont (11a) positionné au niveau de sa partie avant (A). En d'autres termes, la plate-forme (65) comprend une fente ménagée au niveau de son axe longitudinal médian, c'est-à-dire également au niveau de l'axe longitudinal médian du ski (1), et débouchant vers l'arrière. Ce positionnement du pont (11a) permet de favoriser l'entrée du ski (1) dans une courbe.In a fifth embodiment (see Figure 9), the platform (65) comprises a bridge (11a) positioned at its front portion (A). In other words, the platform (65) comprises a slot formed at its median longitudinal axis, that is to say also at the median longitudinal axis of the ski (1), and opening towards the rear. This positioning of the bridge (11a) makes it possible to favor the entrance of the ski (1) in a curve.

Dans un sixième mode de réalisation préféré (voir Figure 10), la plate-forme (66) comprend un pont (11b) positionné au niveau de sa partie arrière. En d'autres termes, la plate-forme (66) comprend une fente ménagée au niveau de son axe longitudinal médian, c'est-à-dire également au niveau de l'axe longitudinal médian du ski (1), et débouchant vers l'avant (A). Ce positionnement du pont (11b) permet de donner de la puissance et de la relance en fin de virage.In a sixth preferred embodiment (see Figure 10), the platform (66) comprises a bridge (11b) positioned at its rear portion. In other words, the platform (66) comprises a slot formed at its median longitudinal axis, that is to say also at the median longitudinal axis of the ski (1), and opening towards the front (A). This positioning of the bridge (11b) makes it possible to give power and recovery at the end of the turn.

Dans un septième mode de réalisation (voir Figure 11), la plate-forme (67) comprend deux ponts (11a et 11b), respectivement positionnés au niveau de sa partie avant (A) et de sa partie arrière. En d'autres termes, la plate-forme (67) comprend une fente ménagée au niveau de son axe longitudinal médian, c'est-à-dire également au niveau de l'axe longitudinal médian du ski (1), et en position centrale.In a seventh embodiment (see Figure 11), the platform (67) comprises two bridges (11a and 11b), respectively positioned at its front portion (A) and its rear portion. In other words, the platform (67) comprises a slot formed at its median longitudinal axis, that is to say also at the level of the median longitudinal axis of the ski (1), and in position Central.

Les différents ponts (11, 11a et 11b) présentent une longueur sensiblement comprise entre 5 % et 30 % de la longueur de chacune des deux parties longitudinales (9 et 10). Les ponts (11, 11a et 11b) vont d'une partie longitudinale (9) jusqu'à l'autre partie longitudinale (10), dans un plan parallèle à la semelle de glisse (5) du ski (1). On notera également la présence d'une variation entre l'épaisseur de la face supérieure rigide (20) de chacune des deux parties longitudinales (9 et 10) et l'épaisseur du pont (11) (voir Figure 5). Les ponts (11, 11a et 11b) comme les deux parties longitudinales (9 et 10) sont réalisés en un alliage léger, par exemple d'aluminium, d'un seul tenant avec les deux parties longitudinales (9 et 10). On pourra également prévoir des ponts (11, 11a et 11b) sous la forme de pièces rapportées fixées par vis ou encore collées aux deux parties longitudinales (9 et 10), et en étant en un matériau différent.The various bridges (11, 11a and 11b) have a length substantially between 5% and 30% of the length of each of the two longitudinal portions (9 and 10). The bridges (11, 11a and 11b) run from a longitudinal portion (9) to the other longitudinal portion (10), in a plane parallel to the glide base (5) of the ski (1). Note also the presence of a variation between the thickness of the rigid upper face (20) of each of the two longitudinal portions (9 and 10) and the thickness of the bridge (11) (see Figure 5). The bridges (11, 11a and 11b) as the two longitudinal parts (9 and 10) are made of a light alloy, for example aluminum, integral with the two longitudinal portions (9 and 10). It will also be possible to provide bridges (11, 11a and 11b) in the form of inserts fixed by screws or glued to the two longitudinal parts (9 and 10), and being made of a different material.

Dans un huitième mode de réalisation (voir Figure 12), chacune des deux parties longitudinales (9 et 10) ainsi que le pont de la plate-forme (68) comprennent trois évidements (14, 16 et 17) situés au niveau de sa face de contact avec la surface supérieure (3) du ski (1). Entre les évidements (14, 16 et 17), les deux parties longitudinales (9 et 10) comprennent des secteurs rigides (15) reliés à la face supérieure rigide (20) de chacune des deux parties longitudinales (9 et 10) et du pont (11).In an eighth embodiment (see FIG. 12), each of the two longitudinal portions (9 and 10) and the bridge of the platform (68) comprise three recesses (14, 16 and 17) located at its face. contact with the upper surface (3) of the ski (1). Between the recesses (14, 16 and 17), the two parts longitudinal members (9 and 10) comprise rigid sectors (15) connected to the rigid upper face (20) of each of the two longitudinal portions (9 and 10) and of the bridge (11).

L'évidement (14) est situé à l'avant (A) des deux parties longitudinales (9 et 10) de la plate-forme (6). L'évidement (16) est situé au centre des deux parties longitudinales (9 et 10) et du pont (11) de la plate-forme (6). L'évidement (17) est situé à l'arrière des deux parties longitudinales (9 et 10) de la plate-forme (6). La forme de l'évidement central (16) est également aménagée de façon à échancrer sensiblement la face supérieure (20) des deux parties longitudinales (9 et 10).The recess (14) is located at the front (A) of the two longitudinal parts (9 and 10) of the platform (6). The recess (16) is located in the center of the two longitudinal parts (9 and 10) and the bridge (11) of the platform (6). The recess (17) is located at the rear of the two longitudinal parts (9 and 10) of the platform (6). The shape of the central recess (16) is also arranged to substantially notch the upper face (20) of the two longitudinal portions (9 and 10).

Les évidements (14, 16 et 17) peuvent être remplis par un ou plusieurs matériaux présentant des propriétés d'élasticité et d'amortissement. A titre d'exemple, dans les évidements central (16) et arrière (17), on utilisera un matériau que l'on qualifiera de «peu amortissant », c'est-à-dire présentant des propriétés d'élasticité avec coefficient intrinsèque d'amortissement tg δ < 0,4, de préférence tg δ compris entre 0,1 et 0,4, mesuré selon la norme NF T 46 026 (aux températures de -30°C à +10°C et aux fréquences de 0,1 Hz à 120 Hz). Ceci permettra une relance, une dynamique et une transmission rapide des impulsions du pied du skieur. Des élastomères tels que des caoutchoucs naturels, polychloroprènes, caoutchoucs butyles, EPDM, seront des matériaux adaptés à ces utilisations.The recesses (14, 16 and 17) may be filled with one or more materials having elasticity and damping properties. For example, in the central (16) and rear (17) recesses, use will be made of a material that will be described as "little damping", that is to say having properties of elasticity with intrinsic coefficient of damping tg δ <0.4, preferably tg δ between 0.1 and 0.4, measured according to standard NF T 46 026 (at temperatures of -30 ° C to + 10 ° C and at frequencies of 0 , 1 Hz to 120 Hz). This will allow a revival, a dynamic and a fast transmission of the pulses of the foot of the skier. Elastomers such as natural rubbers, polychloroprenes, butyl rubbers, EPDM, will be suitable materials for these uses.

Et à titre d'exemple, dans l'évidement avant (14), on utilisera un matériau que l'on qualifiera de « viscoélastique » ou « amortissant », c'est-à-dire présentant des propriétés d'élasticité avec coefficient intrinsèque d'amortissement tg δ > 0,4, de préférence tg δ compris entre 0,8 et 1, mesuré selon la norme NF T 46 026 (aux températures de -30°C à +10°C et aux fréquences de 0,1 Hz à 120 Hz). Ceci permettra un amortissement des vibrations provenant du ski (1) et procurera plus de confort au skieur. Des élastomères tels que des chlorobutyles, nitriles ou polyisoprènes seront des matériaux adaptés à ces utilisations.By way of example, in the front recess (14), use will be made of a material that will be described as "viscoelastic" or "damping", that is to say having intrinsically coefficient of elasticity properties. of damping tg δ> 0.4, preferably tg δ between 0.8 and 1, measured according to standard NF T 46 026 (at temperatures of -30 ° C to + 10 ° C and at frequencies of 0.1 Hz at 120 Hz). This will dampen vibrations from the ski (1) and provide more comfort to the skier. Elastomers such as chlorobutyls, nitriles or polyisoprenes will be suitable materials for these uses.

Dans un autre mode de réalisation (non représenté), la plate-forme comprend deux parties longitudinales rigides et distinctes. Cependant, cette plate-forme présente une asymétrie de structure entre les deux parties longitudinales. On pourra employer deux matériaux différents pour chacune des deux parties longitudinales. Des raideurs différentes seront envisagées avec une première partie longitudinale réalisée à titre d'exemple, en polyamide et une deuxième partie longitudinale réalisée en aluminium. A titre d'exemple encore, l'une des parties longitudinales avec ses évidements pourra avoir des propriétés d'amortissement, tandis que l'autre des parties longitudinales avec ses évidements pourra avoir des propriétés de rebondissement.In another embodiment (not shown), the platform comprises two rigid and distinct longitudinal portions. However, this platform has a structural asymmetry between the two longitudinal parts. Two different materials can be used for each of the two longitudinal parts. Different stiffnesses will be considered with a first longitudinal portion made by way of example, polyamide and a second longitudinal portion made of aluminum. By way of example again, one of the longitudinal parts with its recesses can have damping properties, while the other longitudinal parts with its recesses may have rebounding properties.

Dans un neuvième mode de réalisation (voir Figure 13), le pont (11) est situé à l'avant (A) de la plate-forme (69), de manière sensiblement analogue au cinquième mode de réalisation. Chacune des deux parties longitudinales (9 et 10) est elle-même divisée transversalement en deux pièces transversales (18 et 19). Chacune de ces pièces transversales (18 et 19) est séparée l'une de l'autre, avec une certaine distance entre-elles.In a ninth embodiment (see Figure 13), the bridge (11) is located at the front (A) of the platform (69), substantially similar to the fifth embodiment. Each of the two longitudinal portions (9 and 10) is itself divided transversely into two transverse pieces (18 and 19). Each of these transverse pieces (18 and 19) is separated from each other, with a certain distance between them.

Les espaces situés entre les pièces transversales (18 et 19) sont remplis par un ou plusieurs matériaux (21) présentant des propriétés d'élasticité et/ou d'amortissement. Ce matériau (21) permet de solidariser physiquement les pièces transversales (18 et 19), tout en leur permettant une liberté de mouvement.The spaces between the transverse pieces (18 and 19) are filled with one or more materials (21) having elasticity and / or damping properties. This material (21) physically secures the transverse parts (18 and 19), while allowing them freedom of movement.

Dans un dixième mode de réalisation (voir Figure 14), la plate-forme (70) comprend deux parties longitudinales rigides et distinctes. Cependant, cette plate-forme (70) présente une asymétrie du nombre de pièces constitutives entre les deux parties longitudinales. La première partie longitudinale (9) présente les mêmes caractéristiques dimensionnelles et structurelles que les parties longitudinales (9 et 10) du premier mode de réalisation. La deuxième partie longitudinale est elle-même divisée en deux pièces transversales (18 et 19). Les deux pièces transversales (18 et 19) de cette deuxième partie longitudinale sont préférentiellement montées du côté de la carre externe (31) du ski (1).In a tenth embodiment (see Figure 14), the platform (70) comprises two rigid and distinct longitudinal portions. However, this platform (70) has an asymmetry of the number of constituent parts between the two longitudinal parts. The first longitudinal portion (9) has the same dimensional and structural characteristics as the longitudinal portions (9 and 10) of the first embodiment. The second longitudinal portion is itself divided into two transverse pieces (18 and 19). The two transverse pieces (18 and 19) of this second longitudinal portion are preferably mounted on the side of the outer edge (31) of the ski (1).

Dans un onzième mode de réalisation (voir Figures 15 et 16), les deux parties longitudinales (9 et 10) et le pont (11) de la plate-forme (71) sont du type décrit ci-dessus dans le premier mode de réalisation. Le ski (22) sur lequel elles sont fixées présente un décrochement de hauteur (H) au milieu de sa zone de patin (23). En conséquence, le ski (22) va avoir dans sa zone de patin avant (23) une épaisseur supérieure à l'épaisseur de la zone de patin arrière (24).In an eleventh embodiment (see FIGS. 15 and 16), the two longitudinal portions (9 and 10) and the bridge (11) of the platform (71) are of the type described above in the first embodiment. . The ski (22) on which they are fixed has a height recess (H) in the middle of its pad zone (23). As a result, the ski (22) will have in its front pad area (23) a thickness greater than the thickness of the rear pad area (24).

Les deux parties longitudinales (9 et 10) ainsi que le pont (11), en partie ou dans sa totalité, de la plate-forme (71) sont montés à l'arrière en porte-à-faux, ou encore ils peuvent reposer à l'arrière sur une épaisseur d'un matériau (26) présentant des propriétés d'élasticité. On utilisera de préférence un matériau (26) présentant des propriétés d'élasticité avec coefficient intrinsèque d'amortissement tg δ < 0,4, de préférence tg δ compris entre 0,1 et 0,4, mesuré selon la norme NF T 46 026 (aux températures de -30°C à +10°C et aux fréquences de 0,1 Hz à 120 Hz).The two longitudinal parts (9 and 10) and the bridge (11), partly or in its entirety, of the platform (71) are mounted at the rear cantilevered, or they can rest at the rear on a thickness of a material (26) having elastic properties. It is preferable to use a material (26) having elastic properties with intrinsic damping coefficient tg δ <0.4, preferably tg δ between 0.1 and 0.4, measured according to standard NF T 46 026 (at temperatures from -30 ° C to + 10 ° C and at frequencies from 0.1 Hz to 120 Hz).

Dans la majorité des cas, les deux parties longitudinales (9 et 10) sont transversalement séparées l'une de l'autre par deux espacements (34) à l'avant et à l'arrière par rapport au pont (11), lorsque ce dernier est en position centrale conformément au premier mode de réalisation. Lorsque ces espacements (34) sont laissés libres, la surface supérieure (3) de la couche supérieure de protection et de décoration (4) est apparente, ce qui crée des effets esthétiques intéressants. Les espacements (34) peuvent également être remplis par un ou plusieurs matériaux, sous la forme d'un élément rapporté, transparent ou présentant éventuellement une coloration, et de préférence un matériau à raideur faible en flexion.In the majority of cases, the two longitudinal portions (9 and 10) are transversely separated from one another by two spacings (34) at the front and at the rear relative to the bridge (11), when this last is in the central position according to the first embodiment. When these spacings (34) are left free, the upper surface (3) of the upper layer of protection and decoration (4) is apparent, which creates attractive aesthetic effects. The spacings (34) may also be filled with one or more materials, in the form of an insert, transparent or optionally having a color, and preferably a material with low bending stiffness.

Dans un douzième mode de réalisation (voir Figure 17, dans laquelle un ski (1) de type « Dualtec ® » est plus particulièrement représenté), les espacements (34) sont comblés par une zone convexe (36) du ski (1). Cette zone convexe (36) fait saillie entre les deux parties longitudinales (9 et 10) de la plate-forme (61), analogue à celle du premier mode de réalisation, par rapport à la surface supérieure (3) de la couche supérieure de protection et de décoration (4). Ceci permet d'éviter, par exemple, les bourrages de neige et de glace dans la zone des espacements (34), tout en conservant le découplage mécanique partiel des deux parties longitudinales (9 et 10).In a twelfth embodiment (see Figure 17, in which a ski (1) type "Dualtec ®" is more particularly shown), the spacings (34) are filled by a convex zone (36) of the ski (1). This convex zone (36) projects between the two longitudinal portions (9 and 10) of the platform (61), similar to that of the first embodiment, with respect to the upper surface (3) of the upper layer of protection and decoration (4). This avoids, for example, snow and ice jams in the zone of the spacings (34), while maintaining the partial mechanical decoupling of the two longitudinal portions (9 and 10).

Dans un treizième mode de réalisation (voir Figure 18), la plate-forme (73) avec chacune des deux parties longitudinales (37 et 38) se prolonge latéralement par une portion latérale ou un appendice respectivement (39 et 41). Les deux portions latérales (39 et 41) descendent sur chacun des deux côtés latéraux du ski (1) en direction des carres (31). L'emplacement longitudinal des côtés latéraux (39 et 41) peut correspondre à l'emplacement longitudinal du pont (11).In a thirteenth embodiment (see Figure 18), the platform (73) with each of the two longitudinal portions (37 and 38) extends laterally by a lateral portion or an appendage respectively (39 and 41). The two lateral portions (39 and 41) descend on each of the two lateral sides of the ski (1) towards the edges (31). The longitudinal location of the lateral sides (39 and 41) may correspond to the longitudinal location of the bridge (11).

Pour permettre cet agencement, le ski (1) comprend latéralement deux zones en creux, c'est-à-dire deux échancrures latérales (44), situées au-dessus des chants (33), présentant une forme analogue et complémentaire des deux portions latérales (39 et 41), et qui permettent un positionnement de ces deux portions latérales (39 et 41) des deux parties longitudinales (37 et 38). Les deux portions latérales (39 et 41) prennent plus directement appui par leur rebord ou tranche inférieure (43) sur le ski (1), au-dessus des chants latéraux (33). Le rebord inférieur (43) est uniquement localisé dans une portion (41) du rebord latéral des deux parties longitudinales (38), se déployant vers le bas en direction des carres (31).To allow this arrangement, the ski (1) laterally comprises two recessed areas, that is to say two lateral notches (44), located above the edges (33), having a similar shape and complementary to the two portions laterally (39 and 41), and which allow positioning of these two lateral portions (39 and 41) of the two longitudinal portions (37 and 38). The two lateral portions (39 and 41) are more directly supported by their rim or lower edge (43) on the ski (1), above the side edges (33). The lower rim (43) is only located in a portion (41) of the lateral rim of the two longitudinal parts (38), unfolding downwards towards the edges (31).

On notera que les rebords (43) des deux portions latérales (39 et 41) peuvent être parallèles à la surface de glisse (5) du ski (1). Les rebords (43) des deux portions latérales (39 et 41) peuvent également ne pas être parallèles à la surface de glisse (5) du ski (1), et dans ce cas, un rebord inférieur (43) des deux parties longitudinales (38) n'est pas parallèle à la surface de la semelle de glisse (5).It will be noted that the flanges (43) of the two lateral portions (39 and 41) may be parallel to the sliding surface (5) of the ski (1). The flanges (43) of the two lateral portions (39 and 41) may also not be parallel to the sliding surface (5) of the ski (1), and in this case, a lower flange (43) of the two longitudinal parts ( 38) is not parallel to the surface of the gliding sole (5).

Le bord inférieur (43) présente, dans un plan longitudinal, un angle d'inclinaison (α) non nul par rapport à la surface de la semelle de glisse (5) ou par rapport à la surface supérieure (3) de la couche supérieure de protection et de décoration (4) du ski (1). Cet angle (α) est sensiblement compris entre 1 et 20°, et préférentiellement sensiblement compris entre 2 et 5°.The lower edge (43) has, in a longitudinal plane, a non-zero angle of inclination (α) with respect to the surface of the sliding sole (5) or with respect to the upper surface (3) of the upper layer protection and decoration (4) of the ski (1). This angle (α) is substantially between 1 and 20 °, and preferably substantially between 2 and 5 °.

Cette portion latérale (29) est positionnée sensiblement au milieu des deux parties longitudinales (28), par exemple au niveau du pont (11). Ceci permet de transférer les impulsions droites et gauches données par le skieur directement en direction des carres (31) droites et gauches du ski (1).This lateral portion (29) is positioned substantially in the middle of the two longitudinal portions (28), for example at the bridge (11). This allows to transfer the right and left pulses given by the skier directly towards the edges (31) right and left of the ski (1).

Dans un quatorzième mode de réalisation (voir Figure 19) sensiblement en rapport avec le treizième mode de réalisation décrit ci-dessus, la plate-forme (74) avec chacune des deux parties longitudinales (38) comprend une portion latérale (41). Ces deux portions latérales (41) sont plus particulièrement positionnées au niveau de la zone d'implantation de la butée avant de la fixation de la chaussure sur le ski (1) de chacune des deux parties longitudinales (38). Ceci permet de transférer plus efficacement les impulsions vers la partie avant des carres (31) droites et gauches du ski (1) données par le skieur en entrée de virage.In a fourteenth embodiment (see FIG. 19) substantially in connection with the thirteenth embodiment described above, the platform (74) with each of the two longitudinal portions (38) comprises a lateral portion (41). These two lateral portions (41) are more particularly positioned at the implantation zone of the abutment before the attachment of the boot on the ski (1) of each of the two longitudinal portions (38). This makes it possible to more efficiently transfer the pulses towards the front part of the right and left edges (31) of the ski (1) given by the skier at the turn entrance.

Dans un quinzième mode de réalisation (voir Figures 20 et 23) sensiblement en rapport avec le treizième mode de réalisation décrit ci-dessus, la plate-forme (75) avec chacune des deux parties longitudinales (37 et 38) comprend une portion latérale (41). Ces deux portions latérales (41) sont plus particulièrement positionnées au niveau de la zone d'implantation de la talonnière arrière de la fixation de la chaussure sur le ski (1) de chacune des deux parties longitudinales (37 et 38). Ceci permet de transférer plus efficacement les impulsions vers la partie arrière des carres (31) droites et gauches du ski (1) données par le skieur en sortie de virage.In a fifteenth embodiment (see FIGS. 20 and 23) substantially in connection with the thirteenth embodiment described above, the platform (75) with each of the two longitudinal portions (37 and 38) comprises a lateral portion ( 41). These two lateral portions (41) are more particularly positioned at the level of the implantation area of the rear heel of the attachment of the boot on the ski (1) of each of the two longitudinal portions (37 and 38). This makes it possible to more effectively transfer the pulses towards the rear part of the right and left edges (31) of the ski (1) given by the skier at the end of a turn.

Dans un seizième mode de réalisation (voir Figure 21) sensiblement en rapport avec le treizième mode de réalisation décrit ci-dessus, la plate-forme (76) avec chacune des deux parties longitudinales (38) comprend deux portions latérales (41a et 41b). Ces quatre portions latérales (41a et 41b) sont plus particulièrement positionnées au niveau des zones d'implantation de la butée avant et de la talonnière arrière des fixations de la chaussure sur le ski (1) de chacune des deux parties longitudinales (38). Ceci permet de transférer plus efficacement les impulsions à la fois vers l'avant et vers l'arrière des carres (31) droites et gauches, données par le skieur en entrée et en sortie de virage.In a sixteenth embodiment (see FIG. 21) substantially related to the thirteenth embodiment described above, the platform (76) with each of the two longitudinal portions (38) comprises two lateral portions (41a and 41b). . These four lateral portions (41a and 41b) are more particularly positioned at the areas of implantation of the front stop and the heel of the rear fasteners of the shoe on the ski (1) of each of the two longitudinal portions (38). This makes it possible to transfer the pulses both forward and backwardly from the right and left edges (31), given by the skier at the entrance and exit of the turn.

Dans un dix-septième mode de réalisation (voir Figure 22) sensiblement en rapport avec le seizième mode de réalisation décrit ci-dessus, la plate-forme (77) avec chacune des deux parties longitudinales (38) comprend deux portions latérales (41a et 41b) qui sont plus particulièrement positionnées au niveau des zones d'implantation de la butée avant et de la talonnière arrière des fixations de la chaussure sur le ski (1) de chacune des deux parties longitudinales (38).In a seventeenth embodiment (see FIG. 22) substantially in connection with the sixteenth embodiment described above, the platform (77) with each of the two longitudinal portions (38) comprises two lateral portions (41a and 41b) which are more particularly positioned at the zones of implantation of the front stop and the rear heel of the bindings of the boot on the ski (1) of each of the two longitudinal portions (38).

Dans les Figures 18, 19, 20 et 21, les chants (33) présentent une hauteur constante. En Figure 22, les chants (33) présentent une hauteur variable, plus faible au niveau des portions latérales (41a et 41b) et plus importante au centre, en avant et en arrière de la plate-forme. La couche supérieure de protection et de décoration (4) épouse alors la forme des chants (33).In Figures 18, 19, 20 and 21, the edges (33) have a constant height. In Figure 22, the edges (33) have a variable height, lower at the side portions (41a and 41b) and more important in the center, forward and back of the platform. The upper layer of protection and decoration (4) then marries the shape of the songs (33).

Dans la plupart des modes de réalisation (voir cependant plus particulièrement les Figures 13, 19, 20, 21 et 22), la surface supérieure (3) du ski (1) comprend deux nervures (27 et 28) séparées par une dépression ou creux central (29). Les deux nervures (27 et 28) sont dans le prolongement en direction avant vers la spatule et en direction de l'arrière de chacune des deux parties longitudinales (18 et 38) de la plate-forme (69, 74, 75, 76 et 77).In most embodiments (see however more particularly Figures 13, 19, 20, 21 and 22), the upper surface (3) of the ski (1) comprises two ribs (27 and 28) separated by a depression or hollow central (29). The two ribs (27 and 28) are in the extension in the forward direction towards the spatula and towards the rear of each of the two longitudinal parts (18 and 38) of the platform (69, 74, 75, 76 and 77).

Pour obtenir un effet esthétique particulièrement intéressant (voir plus particulièrement les Figures 19, 20, 21 et 22), la surface supérieure (3) du ski (1) vient sensiblement à fleur de la face supérieure rigide (20) des deux parties longitudinales (37 et 38) de la plate-forme (74, 75, 76 et 77).To obtain a particularly interesting aesthetic effect (see more particularly Figures 19, 20, 21 and 22), the upper surface (3) of the ski (1) comes substantially flush with the rigid upper face (20) of the two longitudinal portions ( 37 and 38) of the platform (74, 75, 76 and 77).

La présente invention n'est pas limitée aux modes de réalisation décrits et illustrés. De nombreuses modifications peuvent être réalisées, sans pour autant sortir du cadre défini par la portée du jeu de revendications.The present invention is not limited to the embodiments described and illustrated. Many modifications can be made, without departing from the scope defined by the scope of the set of claims.

Les différents modes de réalisation décrits ci-dessus peuvent se combiner entre-eux. En outre, la plate-forme (6) peut être montée sur tous types de ski (1), des skis de type « Dualtec ® », des skis dits « à section rectangulaire » et des ski « à structure coque ».The various embodiments described above can be combined with one another. In addition, the platform (6) can be mounted on all types of ski (1), skis type "Dualtec ®", skis known as "rectangular section" and ski "shell structure".

Claims (24)

  1. Raising platform, for fitting on the upper surface (3) of a board for gliding over snow (1) in order to receive and to raise the binding elements (7, 8), securing a user boot to the board for gliding over snow (1), characterized in that it is divided into two longitudinal parts (9, 10) that are each placed directly on the upper surface (3) of the board for gliding over snow (1) and that are connected together by at least one bridge (11, 11a, 11b), at least one of the elements of said binding (7, 8) being fitted directly on the two longitudinal parts (9, 10) of the platform (61, 65, 66, 67).
  2. Platform according to claim 1, characterized in that it comprises a bridge (11) located under the boot, positioned between the front and rear bearing forces of the user ski boot on the platform (61).
  3. Platform according to claim 1 or 2, characterized in that it comprises a bridge (11a) located at the front end (A) of the two longitudinal parts (9, 10).
  4. Platform according to one of the preceding claims, characterized in that it comprises a bridge (11b) located at the rear end of the two longitudinal parts (9, 10).
  5. Platform according to one of the preceding claims, characterized in that the bridge or bridges (11, 11a, 11b) are integral with each of the two longitudinal parts (9, 10), and are in a plane parallel to the gliding sole (5) and to the upper surface (3) of the board for gliding over snow (1).
  6. Platform according to one of the preceding claims, characterized in that the bridge or bridges (11) have at least one recess.
  7. Platform according to one of the preceding claims, characterized in that at least one of the two longitudinal parts (9, 10) comprises at least one recess (14, 16, 17) located at its face of contact with the upper surface (3) of the board for gliding over snow (1), and in that one or more of said recesses (14, 16, 17) are filled with one or more materials which have damping and elasticity properties.
  8. Platform according to one of the preceding claims, characterized in that a spacing (34) is provided between the two longitudinal parts (9, 10) which are separated from one another, and in that the spacing (34) is filled by a convex zone (36) of the board for gliding over snow (1), projecting relative to the upper surface (3) of the upper protective and decorative layer of the board for gliding over snow (1), or in that the spacing (34) is filled by one or more materials with low flexural strength.
  9. Platform according to one of the preceding claims, characterized in that at least one of the two longitudinal parts (9, 10) is divided transversely into at least two transverse pieces (18, 19), and in that a space or spaces located between at least one of the transverse pieces (18, 19) which are separated from one another are filled with one or more materials (21) which have of damping and elasticity properties.
  10. Platform according to one of the preceding claims, characterized in that it is secured to a board for gliding over snow (1) having a thickness at the front portion (23) of the zone for fitting the platform (6) greater than the thickness at the rear portion (24) of the zone for fitting the platform (6).
  11. Platform according to one of the preceding claims, characterized in that at least one of the two longitudinal parts (9, 10) comprises two anchoring zones (12, 13), at least a first anchoring zone (12) allowing a fixed positioning relative to the board for gliding over snow (1), and at least a second anchoring zone (13) allowing a positioning with sliding relative to the board for gliding over snow (1), and in that at least one of the anchoring zones (13) is arranged at the bridge or bridges (11).
  12. Platform according to one of the preceding claims, characterized in that at least one of the two longitudinal parts (9, 10) has a tubular structure over a part of or over all its length and over a part of or over all its width.
  13. Platform according to one of the preceding claims, characterized in that at least one of the two longitudinal parts (9, 10) extends laterally via at least one lateral portion (39, 41, 41a, 41b) descending over each of the two lateral sides toward the edges (31) of the board for gliding over snow (1), in that at least one of the lateral portions (39, 41, 41a, 41b) may bear on the board for gliding over snow (1) above the lateral sides (33), and in that one or more of the lateral portions (39, 41, 41a, 41b) are each located at the bridge or bridges (11, 11a, 11b).
  14. Platform according to claim 13, characterized in that the lower border (43) of the lateral portion or portions (41) of at least one of the two longitudinal parts (9, 10) has, in a longitudinal plane, a non-zero angle of inclination (α) relative to the gliding sole (5) of the board for gliding over snow (1).
  15. Platform according to claim 13 or 14, characterized in that at least one of the two longitudinal parts (9, 10) extends laterally by a lateral portion (41a) positioned at the zone for installation of the front stop (7) of the binding for the boot on the board for gliding over snow (1).
  16. Platform according to claim 13 or 14, characterized in that at least one of the two longitudinal parts (9, 10) extends laterally by a lateral portion (41b) positioned at the zone for installation of the rear heelpiece (8) of the binding for the boot on the board for gliding over snow (1).
  17. Platform according to claim 13 or 14, characterized in that at least one of the two longitudinal parts (9, 10) extends laterally by a lateral portion (41a) positioned at the zone for installation of the front stop (7) of the binding for the boot on the board for gliding over snow (1), and by a lateral portion (41b) positioned at the zone for installation of the rear heelpiece (8) of the binding for the boot on the board for gliding over snow (1).
  18. Platform according to one of the preceding claims, characterized in that it has an asymmetry between the two longitudinal parts.
  19. Platform according to claim 18, characterized in that it has an asymmetry of length between the two longitudinal parts (9, 101) and/or an asymmetry of width between the two longitudinal parts (92, 102) and/or an asymmetry of the means for fitting between the two longitudinal parts (9, 103) and/or an asymmetry in the number of transverse pieces between the two longitudinal parts (9, 18, 19) and/or an asymmetry of structure and of materials between the two longitudinal parts.
  20. Board for gliding over snow, characterized in that it is equipped with a platform (61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 73, 74, 75, 76, 77) according to one of the preceding claims.
  21. Board for gliding over snow according to claim 20, characterized in that it has on at least one of the two sides a lateral notch (44) located over the sides (33) and allowing a positioning of the respective lateral portion (41, 41a, 41b) of at least one of the two longitudinal parts (37, 38) of the platform (75).
  22. Board for gliding over snow according to claims 20 and 21, characterized in that its upper surface (3) is substantially flush with the rigid upper face (20) of at least one of the two longitudinal parts (38) of the platform (74).
  23. Board for gliding over snow according to one of claims 20 to 22, characterized in that its upper surface (3) comprises one or two ribs (27, 28) which are separated by a central hollow (29), the one or two ribs (27, 28) being in the extension toward the front and toward the rear of the one or two longitudinal parts (18, 19) of the platform (69).
  24. The board for gliding over snow according to one of claims 20 to 23, characterized in that it comprises a height discontinuity (H) between the front portion (23) of the zone for fitting the platform (71) and the rear portion (24) of the zone for fitting the platform (71), such that the thickness of the board for gliding over snow (22) in the front portion (23) of the zone for fitting the platform (71) is greater than the thickness of the board for gliding over snow (22) in the rear portion (24) of the zone for fitting the platform (71).
EP02356215A 2001-11-06 2002-10-29 Interface and a snowboard with such an interface Expired - Lifetime EP1308190B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0114312A FR2831829B1 (en) 2001-11-06 2001-11-06 PLATFORM FOR INCREASING FASTENERS OF A SHOE, AND SNOWBOARD ON SNOW EQUIPPED WITH SUCH A PLATFORM
FR0114312 2001-11-06

Publications (2)

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EP1308190A1 EP1308190A1 (en) 2003-05-07
EP1308190B1 true EP1308190B1 (en) 2006-08-30

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US (1) US6848703B2 (en)
EP (1) EP1308190B1 (en)
AT (1) ATE337836T1 (en)
DE (1) DE60214315T2 (en)
FR (1) FR2831829B1 (en)

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Publication number Publication date
DE60214315D1 (en) 2006-10-12
US6848703B2 (en) 2005-02-01
US20030085550A1 (en) 2003-05-08
DE60214315T2 (en) 2007-09-13
ATE337836T1 (en) 2006-09-15
FR2831829A1 (en) 2003-05-09
EP1308190A1 (en) 2003-05-07
FR2831829B1 (en) 2003-12-19

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