EP2353417A1 - Shoe with improved sole - Google Patents

Shoe with improved sole Download PDF

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Publication number
EP2353417A1
EP2353417A1 EP11000013A EP11000013A EP2353417A1 EP 2353417 A1 EP2353417 A1 EP 2353417A1 EP 11000013 A EP11000013 A EP 11000013A EP 11000013 A EP11000013 A EP 11000013A EP 2353417 A1 EP2353417 A1 EP 2353417A1
Authority
EP
European Patent Office
Prior art keywords
groove
shoe
subdivision
face
sole
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP11000013A
Other languages
German (de)
French (fr)
Inventor
François Girard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Salomon SAS
Original Assignee
Salomon SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Salomon SAS filed Critical Salomon SAS
Publication of EP2353417A1 publication Critical patent/EP2353417A1/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0411—Ski or like boots for cross-country
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/143—Soles; Sole-and-heel integral units characterised by the constructive form provided with wedged, concave or convex end portions, e.g. for improving roll-off of the foot
    • A43B13/146—Concave end portions, e.g. with a cavity or cut-out portion
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0496—Ski or like boots boots for touring or hiking skis
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/20—Non-self-releasing bindings with special sole edge holders instead of toe-straps

Definitions

  • the invention relates to a shoe, especially a sport shoe, and more particularly relates to a shoe that can be used in areas such as cross-country skiing, hiking or telemark, snowshoeing, rollerblading or skating. ice cream, or whatever.
  • a shoe may comprise a low or high upper, and may be relatively flexible or otherwise stiffer.
  • the shoe is in all cases provided with an outer sole, which is intended to connect the rod to the ground or a sports machine.
  • the outer sole is a piece which extends in length from a rear end to a front end, in width between a lateral side and a medial side, and in height between a free face, intended to contact the ground or the sports vehicle, and a connecting face, intended to be secured to the rod.
  • the outer sole has a longitudinal groove which opens at the free face.
  • the outer sole has several longitudinal grooves. This is for example the case in the field of cross-country skiing, where at least one groove is intended to cooperate with an edge of a guide device.
  • the ridge is associated with a ski, directly or indirectly.
  • an outer soleing is provided to cooperate with a given guide device, that is to say to the exclusion of any other.
  • the hollow shape of the outer sole is the replica of the raised shape of the associated guide device. This optimizes the cooperation between the outer sole and the device, for a more precise skiing. It is therefore not possible for a user to keep his shoes and change the guiding device, if the latter does not have the appropriate structure.
  • the idea of a change of guiding device is often correlated to the idea of a change of retaining device of the boot to the ski. Indeed, the two types of devices are very often associated with each other, for various reasons such as simplification of manufacture, aesthetic balance, or other.
  • the user sometimes wants to change his restraints, or change his skis, which can be provided with restraints and guidance. But the user is generally reluctant to change his shoes because the different brands do not all provide exactly the same feeling of comfort or footing. Not being able to keep the shoes, changing the guiding devices, changing the restraints, or changing the skis is a problem.
  • one particular object of the invention is to make it possible to change the guiding devices despite the storage of the shoes.
  • the invention seeks to make it possible to use a given shoe with different guiding devices, the latter having different structures.
  • the invention wants to allow the use of different restraining devices, or even different skis, with the same pair of shoes.
  • the invention provides a shoe comprising an outer sole, the outer sole extending in length from a rear end to a front end, in width between a lateral side and a medial side, and in height between a free face and a connecting face, the outer sole having a longitudinal groove which opens at the free face.
  • the shoe according to the invention is characterized in that the longitudinal groove opens at the free face, the groove having a length of between 30 and 100% of the length of the outer sole, a width of between 25 and 45 mm, and a depth greater than or equal to 4 mm, the groove being compatible with one or more guide edges.
  • the dimensions of the groove are large enough to accommodate a large edge, or one or more smaller edges. Of course, there remains a free space in the groove, when the latter is occupied by one or more edges. But in the end, the groove cooperates with each edge it receives. As a corollary, a small edge cooperates with the groove by a reduced surface, that is to say a smaller surface than that used when the edge and the groove have completely complementary shapes. With the invention, that is to say with a cooperation of partially complementary forms, the guidance of the outer sole occurs sufficiently. This means that the guidance of the sole allows a sufficiently precise ski, despite the reduction of the contact surfaces between the edge or edges and the groove. It thus appears that the invention overcame a prejudice, which consists in believing that only totally complementary forms guarantee a sufficient guidance.
  • the boot according to the invention can therefore advantageously be used with different guiding devices.
  • the shoe can be used with different restraining devices and / or skis.
  • the user can therefore keep his shoes and have or use different materials.
  • the invention improves the outer sole of a shoe.
  • a cross-country ski boot 1 is provided to be removably retained by a retaining device 2 on a board 3.
  • the shoe 1 comprises an outer sole 12 and a rod 13.
  • the shoe 1 extends in length from a rear end or heel 14 to a front end or tip 15, and in width between a lateral side 16 and a medial side 17. It is observed that corollary the outer sole 12 extends in length from the heel 14 to the tip 15, and in width between the lateral side 16 and the medial side 17.
  • the sole 12 s' also extends in height, or thickness, between a free face 18 and a connecting face 19.
  • the free face 18 is intended to contact the ground, the retaining device of the boot to the ski, or the ski itself even.
  • the connecting face 19, serves to secure the sole 12 to the rest of the shoe, for example by gluing.
  • the rod 13 comprises a lower portion 20, provided to surround the foot, and an upper portion 21, provided to surround the ankle. However, it could be considered a rod comprising only the lower portion.
  • the outer soleing 12 has a longitudinal groove 25 and carries a first connecting member 26.
  • the longitudinal groove 25 opens at the free face 18, and s' extends from the end rear 14 to the front end 15, that is to say, 100% of the length of the sole 12. Note that the groove 25 is fragmented because the free face 18 has crampons. However, alternatively, the groove 25 could be continuous.
  • the connecting member 26 as for him, well known to those skilled in the art, is anchored in the sole 12. It is for example made from a wire, of circular section, folded ad hoc and implanted transversely. in the groove 25, near the front end 15.
  • the retainer 2 also well known to those skilled in the art, is presented in a summary way. It 2 comprises a mechanism 27 for the temporary retention of the boot 1, as well as a guiding device 28 of the boot 1.
  • the mechanism 27 cooperates with the member 26. It follows that when the shoe 1 is retained, its heel 14 can lift alternately relative to the guide device 28, while the tip 15 oscillates relative to the body 26.
  • the guiding device 28 comprises an edge 29, or tongue.
  • the edge 29 is split longitudinally, in order to promote its bending along a transverse axis. This leaves more freedom in flexion skiing 3. But it is possible to use a continuous edge.
  • the retaining device 2 comprises a base 30, which carries the retaining mechanism 27 and the guiding device 28. These three parts 30, 27, 28 are joined together to form an assembly easy to handle and put in place on the ski 3.
  • the edge 29 takes place in the groove 25
  • the connecting member 26 takes place in the mechanism 27, and the face free 18 of the sole 12 is supported on the base 30.
  • ski 3 is partially shown, schematically. It is understood that the ski can have any appropriate structure.
  • the longitudinal groove 25 of the sole 12 opens out at the free face 18, the groove having a length between 30 and 100% of the length of the outer sole 12, a width of between 25 and 45 mm, and a depth greater than or equal to at 4mm, the groove being compatible with one or more guide edges. It is specified that the length is measured in a longitudinal direction of the boot, from one end 14, 15 to the other. The width is measured in a transverse direction, from one side 16, 17 to the other. Finally the depth is measured perpendicular to the sole 12, from the free face 18.
  • the longitudinal groove 25 allows the longitudinal groove 25 to accommodate one or more edges, which may have different sections.
  • the groove 25 allows the sole 12 to adapt to different restraining devices, and corollary to different guiding devices, as detailed below.
  • the guiding device 28 of the figure 1 is shown in schematic cross section, bottom left of the figure 2 .
  • the edge 29 and the base 30 form a single piece. It is observed that the edge 29 has a trapezoidal cross-section, with a lateral face 41 opposite to a medial face 42, as well as an underside 43 opposite to a top 44.
  • the bottom 43 is shown in broken lines: it corresponds to the boundary between the edge 29 and the base 30.
  • the lateral 41 and medial faces 42 form respectively an angle ⁇ 1 and ⁇ 2 with a longitudinal plane P1 perpendicular to the base 30.
  • the values of the angles ⁇ 1, ⁇ 2 are between 1 and 40 °, knowing that good results have been obtained with values ranging from 5 to 25 °.
  • the bottom 43 of the edge 29, parallel to the base 30, has a width W1 of between 25 and 45 mm, knowing that good results have been obtained for values between 25 and 33 mm.
  • the top 44 meanwhile, which is parallel to the base and below 43, has a width W2 between 22 and 28mm.
  • the bottom 43 is wider than the top 44.
  • the height H1 of the edge 29, measured between the base 30 and the top 44, is between 4 and 30 mm, knowing that values between 5 and 22 mm have given good results. results.
  • a second guiding device 48 is shown in schematic cross section, at the bottom right of the figure 2 .
  • the edges 49, 50 are oriented along the length of the base 30.
  • the ridges 49, 50 are arranged symmetrically with respect to the longitudinal plane P1 , knowing that it is centered transversely to the base 30.
  • Each edge 49, 50 has a trapezoidal cross section.
  • the lateral edge 49 has a lateral face 51 which forms with the plane P1 an angle ⁇ 1, similar or equal to that of the first device 28.
  • the medial edge 50 has a medial face 52 which forms with the plane P1 an angle ⁇ 2, similar or equal to that of the first device 28.
  • the ridges 49, 50 respectively have internal faces 53, 54 which each form with the plane P1 an angle ⁇ 3, ⁇ 4, whose value is between 3 and 40 °, knowing that values between 5 and 25 ° have given good results.
  • the height H2 of each edge, measured between the base 30 and their respective tops 55, 56 is between 3 and 8 mm, knowing that values of 4 to 5 mm have given good results.
  • the distance W1 between the edges 49, 50, at their junction with the base 30 and at the base of the lateral 51 and medial faces 52 is equal to the width W1 of the bottom 43 of the edge 29 of the first device 28.
  • the distance W3 which, in turn, separates the base of the inner faces 53, 54 is between 14 and 23mm.
  • the groove 25 is provided to fit exactly on the edge 29 of the first guide device 28.
  • the groove 25 has a trapezoid-shaped cross section, with a lateral face 61 opposite a medial face 62 , as well as a bottom 63 opposed to a top 64.
  • the underside 63 is shown in broken lines: it is contained in the plane P2, which passes through the free face 18 of the sole assembly 12.
  • the underside 63 is the entry of the groove 25.
  • the inlet 63 has a width W1 equal to that of the bottom 43 of the edge 29.
  • the top 64 defines the bottom of the groove 25.
  • the top 64 has a width W2 equal to that of the top 44 of the ridge 29.
  • the bottom 64 of the groove 25 is narrower than the inlet 63. In other words, the groove 25 narrows in a direction that goes from the inlet to the bottom.
  • the lateral 61 and medial faces 62 are provided to contact respectively the lateral 41 and medial faces 42 of the edge 29 of the first guide device 28, or the lateral 51 and medial faces 52 of the lateral edges 49 and medial 50 of the second device 48. It is noted that the lateral 61 and medial edges 62 of the groove 25 are respectively inclined at angles ⁇ 1 and a2 equal to or similar to those of the edge 29. Of course, the angles ⁇ 1 and ⁇ 2 are measured relative to a plane P3 perpendicular to the bottom or top 64. Here the angles ⁇ 1 and ⁇ 2 are equal. As a result, the groove 25 is transversely symmetrical.
  • the depth of the groove 25, or the distance between the inlet 63 and the bottom 64, is equal to or close to the distance H1 itself height of the edge 29. In other words the depth of the groove 25 is equal to or near the height of the edge 29 and, therefore, is between 4 and 30mm.
  • the groove 25 cooperates, at the very least, with a single edge of the same cross section, or with two smaller edges, some of whose surfaces are arranged to cooperate with the groove 25.
  • Advantage of the sole assembly 12 is to cooperate with at least two different guiding devices.
  • the groove 25 cooperates with a single edge 29 of the same cross section, it can be expected to leave a functional clearance between the top 44 of the edge and the bottom 64 of the groove.
  • the sole assembly 12 bears on the base 30 by its free face 18. This increases the stability of the support.
  • the second guide device 48 and a third guide device 68.
  • the sole 12 is structured to cooperate with the second 48 and third 68 devices. Because it has been before, the second device 48 is not described here.
  • the third device 68 is similar to the first but with a reduced width. Thus it comprises a guide edge 69, a lateral face 71, a medial face 72, a bottom 73, and a top 74.
  • the faces 71, 72 are inclined according to the values of the angles ⁇ 1 and ⁇ 2 seen previously.
  • the bottom 73 of the edge 69 has a width W5 of between 15 and 20 mm.
  • the top 74 of the edge 69 has a width W6 of between 10 and 15 mm.
  • the height H1 of the edge 69 is between 10 and 30mm.
  • the groove 85 of the sole assembly 12 is provided to fit partially on the second guiding device 48, and partly on the third 68.
  • the cross section of the groove 85 includes a first trapezoid-shaped subdivision 86 and a second trapezoid-shaped subdivision 87.
  • the first subdivision 86 delimits the entry 88 of the groove 85
  • the second subdivision 87 delimits the bottom 89, the subdivisions being separated by a shoulder 90.
  • the first subdivision 86 is wider than the second 87.
  • the bottom 89 of the groove 85 has a width W6 equal to that of the top 74.
  • the boundary between the subdivisions 86, 87 at the shoulder 88 has a width W7 between the widths W5 and W6.
  • the respective depths H3, H4 of the subdivisions 86, 87 are each between 20 and 60% of the depth H1 of the groove 85.
  • the depths of the subdivisions are each 50% of the depth H1.
  • first subdivision 86 and the second subdivision 87 are symmetrical transversely. This balances in a transverse direction the contact forces between the sole 12 and the guide device 48, 68 with which it cooperates.
  • the lateral 91 and medial 92 portions of the shoulder 90 have the same width. This increases the stability of the sole assembly 12 when pressing on the guiding device 68.
  • the guide edge 99 has, at its underside 103, a width W9 between 20 and 28mm.
  • the edge has, at its top 104, a width W10 between 15 and 23mm.
  • the groove 115 of the sole assembly 12 thus has a first subdivision 116 and a second subdivision 117, designed to accommodate the second 48 and fourth 98 guiding devices.
  • the inlet 118 of the groove has a width W1 of between 28 and 45 mm.
  • the bottom 119 of the groove has a width W10 of between 15 and 23 mm.
  • the width W11 of the groove is between those W9 and W10 of the underside 103 and the bottom 119.
  • the combination of the guiding devices compatible with the sole assembly 12 is different. .
  • the first subdivision cooperates with a device 48
  • the second subdivision 117 cooperates with the other device 98.
  • the fourth embodiment is presented using the figure 5 .
  • What is particular here is the structure of the guide edge 129 of the fifth device.
  • the edge 129 comprises a wide portion 130 extended by a narrow portion 131, each portion having a trapezoidal cross section.
  • the two portions 130, 131 form a one-piece structure. This arrangement allows a better transverse distribution of the supports between the sole assembly 12 and the fifth guide device 128.
  • the fifth embodiment is presented using the figure 6 .
  • a shoe 1 On it, there is a shoe 1, a retainer 2, and a board 3.
  • the shoe carries a second connecting member 136 in addition to the first 26.
  • the second member 136 is also anchored in the sole 12. This allows for For example, in some cases, the cooperation with an elastic return member, not shown, towards the retaining device 2.
  • the boot 1 comprises one or two connecting members 26, 136, housed partly in the longitudinal groove 25, 85, 115 of the sole assembly 12.
  • the angle of inclination ⁇ 1, ⁇ 2 of a lateral face 51, 71 or medial 52, 72 is between 1 and 40 °. It can be provided that one or both angles ⁇ 1, ⁇ 2 vary along the groove. In the same spirit, it can be expected that the depth or depths H1, H3, H4 vary along the groove. It can further be provided that the widths W1, W2, W6, W7 vary along the groove. This is to say that for some options, the cross section of the groove varies from one end to the other.

Abstract

The shoe (1) has an external shoe bottom (12) extending in length from a rear end (14) until a front end (15), and extending in height between a free face (18) and a connection face (19). The external shoe bottom has a longitudinal groove (25) which is opened at the level of the free face. The groove has length comprised between 30 and 100 percentages of length of the external shoe bottom, and has width comprised between 25 and 45mm. The groove has depth greater than or equal to 4mm. The groove is compatible with one or multiple guiding edges (29) of a guiding device (28).

Description

L'invention se rapporte à une chaussure, notamment de sport, et concerne plus particulièrement une chaussure qui peut être utilisée dans des domaines tels que le ski de fond, de randonnée ou de télémark, la raquette à neige, le patin à roues ou à glace, ou autre.The invention relates to a shoe, especially a sport shoe, and more particularly relates to a shoe that can be used in areas such as cross-country skiing, hiking or telemark, snowshoeing, rollerblading or skating. ice cream, or whatever.

Une chaussure peut comprendre une tige basse ou une tige haute, et peut être relativement souple ou au contraire plus rigide. La chaussure est dans tous les cas munie d'un semelage externe, lequel est prévu pour relier la tige au sol ou à un engin de sport.A shoe may comprise a low or high upper, and may be relatively flexible or otherwise stiffer. The shoe is in all cases provided with an outer sole, which is intended to connect the rod to the ground or a sports machine.

Le semelage externe est une pièce qui s'étend en longueur depuis une extrémité arrière jusqu'à une extrémité avant, en largeur entre un côté latéral et un côté médial, et en hauteur entre une face libre, prévue pour contacter le sol ou l'engin de sport, et une face de liaison, prévue pour être solidarisée à la tige.The outer sole is a piece which extends in length from a rear end to a front end, in width between a lateral side and a medial side, and in height between a free face, intended to contact the ground or the sports vehicle, and a connecting face, intended to be secured to the rod.

De manière connue il arrive que le semelage externe présente une rainure longitudinale qui débouche au niveau de la face libre. Parfois le semelage externe présente plusieurs rainures longitudinales. C'est par exemple le cas dans le domaine du ski de fond, où au moins une rainure est destinée à coopérer avec une arête d'un dispositif de guidage. Bien entendu l'arête est associée à un ski, directement ou indirectement. Par la coopération de chaque rainure du semelage avec l'arête associée, la chaussure est guidée lors du déroulement du pied, et maintenue transversalement notamment quand le pied est en appui sur toute la longueur du semelage. Cet agencement permet une conduite précise du ski, malgré le fait que la chaussure y soit retenue de façon que son talon puisse se soulever alternativement.In known manner it happens that the outer sole has a longitudinal groove which opens at the free face. Sometimes the outer sole has several longitudinal grooves. This is for example the case in the field of cross-country skiing, where at least one groove is intended to cooperate with an edge of a guide device. Of course the ridge is associated with a ski, directly or indirectly. By the cooperation of each groove of the sole with the associated ridge, the shoe is guided during the unwinding of the foot, and maintained transversely, especially when the foot is supported on the entire length of the sole. This arrangement allows precise skiing of the ski, despite the fact that the shoe is held so that its heel can be raised alternately.

Ce principe est décliné sur le marché avec des ensembles divers. On trouve en effet des dispositifs de guidage avec une arête longitudinale de petite section transversale, d'autres dispositifs de guidage avec une arête de plus grande section, d'autres dispositifs encore avec deux arêtes, et cetera. Bien entendu chaque semelage correspondant présente une ou plusieurs rainures prévues pour accueillir la ou les arêtes. On trouve donc des chaussures dont le semelage présente une rainure de petite section transversale, ou bien une rainure de plus grande section, ou encore deux rainures, et cetera.This principle is declined on the market with various sets. There are indeed guiding devices with a longitudinal edge of small cross section, other guiding devices with an edge of larger section, other devices still with two edges, et cetera. Of course each corresponding sole has one or more grooves provided to accommodate the edge or edges. There are therefore shoes whose sole has a groove of small cross section, or a groove of larger section, or two grooves, et cetera.

Dans tous les cas un semelage externe est prévu pour coopérer avec un dispositif de guidage donné, c'est-à-dire à l'exclusion de tout autre. Ainsi la forme en creux du semelage externe est la réplique de la forme en relief du dispositif de guidage associé. Cela optimise la coopération entre le semelage externe et le dispositif, pour une conduite du ski plus précise. Il n'est donc pas possible pour un utilisateur de garder ses chaussures et de changer de dispositif de guidage, si ce dernier ne présente pas la structure adaptée. L'idée d'un changement de dispositif de guidage est souvent corrélée à l'idée d'un changement de dispositif de retenue de la chaussure au ski. En effet, les deux types de dispositifs sont très souvent associés l'un à l'autre, pour des raisons diverses telles que la simplification de fabrication, l'équilibre esthétique, ou autre. L'utilisateur veut parfois changer ses dispositifs de retenue, ou encore changer ses skis, lesquels peuvent être fournis avec des dispositifs de retenue et de guidage. Mais l'utilisateur est généralement peu enclin à changer ses chaussures, car les différentes marques n'apportent pas toutes exactement les mêmes sensations de confort ou de tenue de pied. Le fait de ne pas pouvoir garder les chaussures, si on change les dispositifs de guidage, si on change les dispositifs de retenue, ou encore si on change les skis, constitue un problème.In all cases an outer soleing is provided to cooperate with a given guide device, that is to say to the exclusion of any other. Thus the hollow shape of the outer sole is the replica of the raised shape of the associated guide device. This optimizes the cooperation between the outer sole and the device, for a more precise skiing. It is therefore not possible for a user to keep his shoes and change the guiding device, if the latter does not have the appropriate structure. The idea of a change of guiding device is often correlated to the idea of a change of retaining device of the boot to the ski. Indeed, the two types of devices are very often associated with each other, for various reasons such as simplification of manufacture, aesthetic balance, or other. The user sometimes wants to change his restraints, or change his skis, which can be provided with restraints and guidance. But the user is generally reluctant to change his shoes because the different brands do not all provide exactly the same feeling of comfort or footing. Not being able to keep the shoes, changing the guiding devices, changing the restraints, or changing the skis is a problem.

Par rapport à cela l'invention a notamment pour but de rendre possible le changement des dispositifs de guidage malgré la conservation des chaussures.In relation to this, one particular object of the invention is to make it possible to change the guiding devices despite the storage of the shoes.

De manière plus large l'invention cherche à rendre possible l'utilisation d'une chaussure donnée avec différents dispositifs de guidage, ces derniers ayant des structures différentes.In a broader manner the invention seeks to make it possible to use a given shoe with different guiding devices, the latter having different structures.

Par extension l'invention veut permettre l'utilisation de dispositifs de retenue différents, voire de skis différents, avec une même paire de chaussures.By extension the invention wants to allow the use of different restraining devices, or even different skis, with the same pair of shoes.

Dans cette optique, l'invention propose une chaussure comprenant un semelage externe, le semelage externe s'étendant en longueur depuis une extrémité arrière jusqu'à une extrémité avant, en largeur entre un côté latéral et un côté médial, et en hauteur entre une face libre et une face de liaison, le semelage externe présentant une rainure longitudinale qui débouche au niveau de la face libre.In this regard, the invention provides a shoe comprising an outer sole, the outer sole extending in length from a rear end to a front end, in width between a lateral side and a medial side, and in height between a free face and a connecting face, the outer sole having a longitudinal groove which opens at the free face.

La chaussure selon l'invention est caractérisée par le fait que la rainure longitudinale débouche au niveau de la face libre, la rainure ayant une longueur comprise entre 30 et 100 % de la longueur du semelage externe, une largeur comprise entre 25 et 45 mm, et une profondeur supérieure ou égale à 4 mm, la rainure étant compatible avec une ou plusieurs arêtes de guidage.The shoe according to the invention is characterized in that the longitudinal groove opens at the free face, the groove having a length of between 30 and 100% of the length of the outer sole, a width of between 25 and 45 mm, and a depth greater than or equal to 4 mm, the groove being compatible with one or more guide edges.

Les dimensions de la rainure sont suffisamment importantes pour accueillir une arête de grandes dimensions, ou une ou plusieurs arêtes plus petites. Bien entendu, il reste un espace libre dans la rainure, lorsque cette dernière est occupée par une ou plusieurs arêtes. Mais au final, la rainure coopère avec chaque arête qu'elle accueille. Par corollaire une arête de petites dimensions coopère avec la rainure par une surface réduite, c'est-à-dire une surface plus petite que celle utilisée lorsque l'arête et la rainure ont des formes totalement complémentaires. Avec l'invention, c'est-à-dire avec une coopération de formes partiellement complémentaires, le guidage du semelage externe se produit de manière suffisante. Cela signifie que le guidage du semelage permet une conduite suffisamment précise du ski, malgré la réduction des surfaces de contact entre la ou les arêtes et la rainure. Il apparaît donc que l'invention a vaincu un préjugé, lequel consiste à croire que seules des formes totalement complémentaires garantissent un guidage suffisant.The dimensions of the groove are large enough to accommodate a large edge, or one or more smaller edges. Of course, there remains a free space in the groove, when the latter is occupied by one or more edges. But in the end, the groove cooperates with each edge it receives. As a corollary, a small edge cooperates with the groove by a reduced surface, that is to say a smaller surface than that used when the edge and the groove have completely complementary shapes. With the invention, that is to say with a cooperation of partially complementary forms, the guidance of the outer sole occurs sufficiently. This means that the guidance of the sole allows a sufficiently precise ski, despite the reduction of the contact surfaces between the edge or edges and the groove. It thus appears that the invention overcame a prejudice, which consists in believing that only totally complementary forms guarantee a sufficient guidance.

La chaussure selon l'invention peut donc avantageusement être utilisée avec des dispositifs de guidage différents. Par extension la chaussure peut être utilisée avec des dispositifs de retenue et/ou des skis différents. L'utilisateur peut donc garder ses chaussures et avoir ou utiliser différents matériels.The boot according to the invention can therefore advantageously be used with different guiding devices. By extension the shoe can be used with different restraining devices and / or skis. The user can therefore keep his shoes and have or use different materials.

D'une manière globale il apparaît que, notamment par un meilleur compromis de ses caractéristiques, l'invention améliore le semelage externe d'une chaussure.In a global manner it appears that, in particular by a better compromise of its characteristics, the invention improves the outer sole of a shoe.

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

  • la figure 1 est une vue en perspective qui montre notamment une chaussure, une partie d'une planche de glisse, ainsi qu'un dispositif de retenue temporaire de la chaussure sur la planche, selon une première forme de réalisation de l'invention,
  • la figure 2 montre une coupe transversale schématique du semelage externe d'une chaussure, selon II-II de la figure 1, ainsi que deux coupes transversales de deux dispositifs de guidage différents, pour la première forme de réalisation de l'invention,
  • la figure 3 est similaire à la figure 2, pour une deuxième forme de réalisation de l'invention,
  • la figure 4 est similaire à la figure 2, pour une troisième forme de réalisation de l'invention,
  • la figure 5 est similaire à la figure 2, pour une quatrième forme de réalisation de l'invention,
  • la figure 6 est similaire à la figure 1, selon une cinquième forme de réalisation de l'invention.
Other features and advantages of the invention will be better understood with the aid of the following description, with reference to the appended drawing illustrating, according to non-limiting embodiments, how the invention can be realized, and in which :
  • the figure 1 is a perspective view showing in particular a shoe, a portion of a gliding board, and a temporary retention device for the boot on the board, according to a first embodiment of the invention,
  • the figure 2 shows a schematic cross section of the outer sole of a shoe, according to II-II of the figure 1 , as well as two cross sections of two different guiding devices, for the first embodiment of the invention,
  • the figure 3 is similar to the figure 2 for a second embodiment of the invention,
  • the figure 4 is similar to the figure 2 for a third embodiment of the invention,
  • the figure 5 is similar to the figure 2 for a fourth embodiment of the invention,
  • the figure 6 is similar to the figure 1 according to a fifth embodiment of the invention.

Les formes de réalisation qui vont être décrites après concernent plus spécialement des chaussures pour la pratique du ski de fond, de la randonnée à ski, ou du télémark. Cependant l'invention s'applique à d'autres domaines tels que ceux évoqués avant.The embodiments that will be described below relate more specifically to shoes for cross-country skiing, skiing, or telemark. However, the invention applies to other fields such as those mentioned before.

La première forme de réalisation est abordée ci-après, en regard des figures 1 et 2.The first embodiment is discussed below, with regard to figures 1 and 2 .

Comme le montre d'un point de vue général la figure 1, une chaussure 1 de ski de fond est prévue pour être retenue de manière amovible, par un dispositif de retenue 2, sur une planche 3.As shown from a general point of view, figure 1 , a cross-country ski boot 1 is provided to be removably retained by a retaining device 2 on a board 3.

De manière connue, la chaussure 1 comprend un semelage externe 12 et une tige 13. La chaussure 1 s'étend en longueur depuis une extrémité arrière ou talon 14 jusqu'à une extrémité avant ou pointe 15, et en largeur entre un côté latéral 16 et un côté médial 17. On observe que par corollaire le semelage externe 12 s'étend en longueur depuis le talon 14 jusqu'à la pointe 15, et en largeur entre le côté latéral 16 et le côté médial 17. Le semelage 12 s'étend aussi en hauteur, ou en épaisseur, entre une face libre 18 et une face de liaison 19. Bien entendu la face libre 18 est destinée à contacter le sol, le dispositif de retenue de la chaussure au ski, ou encore le ski lui-même. La face de liaison 19, quant à elle, sert à solidariser le semelage 12 au reste de la chaussure, par exemple par collage.In known manner, the shoe 1 comprises an outer sole 12 and a rod 13. The shoe 1 extends in length from a rear end or heel 14 to a front end or tip 15, and in width between a lateral side 16 and a medial side 17. It is observed that corollary the outer sole 12 extends in length from the heel 14 to the tip 15, and in width between the lateral side 16 and the medial side 17. The sole 12 s' also extends in height, or thickness, between a free face 18 and a connecting face 19. Of course the free face 18 is intended to contact the ground, the retaining device of the boot to the ski, or the ski itself even. The connecting face 19, in turn, serves to secure the sole 12 to the rest of the shoe, for example by gluing.

Telle que représentée la tige 13 comprend une portion basse 20, prévue pour entourer le pied, ainsi qu'une portion haute 21, prévue pour entourer la cheville. Cependant, il pourrait être envisagé une tige comprenant seulement la portion basse.As shown the rod 13 comprises a lower portion 20, provided to surround the foot, and an upper portion 21, provided to surround the ankle. However, it could be considered a rod comprising only the lower portion.

Afin de coopérer avec le dispositif de retenue 2, comme il sera expliqué après, le semelage externe 12 présente une rainure longitudinale 25 et porte un premier organe de liaison 26. La rainure longitudinale 25 débouche au niveau de la face libre 18, et s'étend depuis l'extrémité arrière 14 jusqu'à l'extrémité avant 15, c'est-à-dire selon 100% de la longueur du semelage 12. On remarque que la rainure 25 est fragmentée, car la face libre 18 présente des crampons. Cependant, alternativement, la rainure 25 pourrait être continue. L'organe de liaison 26 quant à lui, bien connu de l'homme du métier, est ancré dans le semelage 12. Il 26 est par exemple fabriqué à partir d'un fil métallique, de section circulaire, plié ad hoc et implanté transversalement dans la rainure 25, à proximité de l'extrémité avant 15.In order to cooperate with the retaining device 2, as will be explained later, the outer soleing 12 has a longitudinal groove 25 and carries a first connecting member 26. The longitudinal groove 25 opens at the free face 18, and s' extends from the end rear 14 to the front end 15, that is to say, 100% of the length of the sole 12. Note that the groove 25 is fragmented because the free face 18 has crampons. However, alternatively, the groove 25 could be continuous. The connecting member 26 as for him, well known to those skilled in the art, is anchored in the sole 12. It is for example made from a wire, of circular section, folded ad hoc and implanted transversely. in the groove 25, near the front end 15.

Le dispositif de retenue 2, également bien connu de l'homme du métier, est présenté de façon sommaire. Il 2 comprend un mécanisme 27 pour la retenue temporaire de la chaussure 1, ainsi qu'un dispositif de guidage 28 de la chaussure 1.The retainer 2, also well known to those skilled in the art, is presented in a summary way. It 2 comprises a mechanism 27 for the temporary retention of the boot 1, as well as a guiding device 28 of the boot 1.

Bien entendu, le mécanisme 27 coopère avec l'organe 26. Il s'ensuit que lorsque la chaussure 1 est retenue, son talon 14 peut se soulever alternativement par rapport au dispositif de guidage 28, pendant que la pointe 15 oscille relativement à l'organe 26.Of course, the mechanism 27 cooperates with the member 26. It follows that when the shoe 1 is retained, its heel 14 can lift alternately relative to the guide device 28, while the tip 15 oscillates relative to the body 26.

Le dispositif de guidage 28 comprend une arête 29, ou languette. L'arête 29 est fractionnée longitudinalement, dans le but de favoriser sa flexion selon un axe transversal. Cela laisse plus de liberté en flexion au ski 3. Mais il est possible d'utiliser une arête continue. On remarque que le dispositif de retenue 2 comprend un socle 30, lequel porte le mécanisme de retenue 27 et le dispositif de guidage 28. Ces trois pièces 30, 27, 28 sont solidarisées entre-elles pour former un ensemble facile à manipuler et à mettre en place sur le ski 3. Ainsi, lorsque la chaussure 1 est en appui sur le dispositif de retenue 2, l'arête 29 prend place dans la rainure 25, l'organe de liaison 26 prend place dans le mécanisme 27, et la face libre 18 du semelage 12 prend appui sur le socle 30.The guiding device 28 comprises an edge 29, or tongue. The edge 29 is split longitudinally, in order to promote its bending along a transverse axis. This leaves more freedom in flexion skiing 3. But it is possible to use a continuous edge. Note that the retaining device 2 comprises a base 30, which carries the retaining mechanism 27 and the guiding device 28. These three parts 30, 27, 28 are joined together to form an assembly easy to handle and put in place on the ski 3. Thus, when the shoe 1 bears on the retaining device 2, the edge 29 takes place in the groove 25, the connecting member 26 takes place in the mechanism 27, and the face free 18 of the sole 12 is supported on the base 30.

En complément il est précisé que le ski 3 est présenté partiellement, de façon schématique. Il est bien entendu que le ski peut présenter toute structure appropriée.In addition it is specified that the ski 3 is partially shown, schematically. It is understood that the ski can have any appropriate structure.

Selon l'invention, en regard des figures 1 et 2, la rainure longitudinale 25 du semelage 12 débouche au niveau de la face libre 18, la rainure ayant une longueur comprise entre 30 et 100% de la longueur du semelage externe 12, une largeur comprise entre 25 et 45mm, et une profondeur supérieure ou égale à 4mm, la rainure étant compatible avec une ou plusieurs arêtes de guidage. Il est précisé que la longueur est mesurée selon une direction longitudinale de la chaussure, d'une extrémité 14, 15 à l'autre. La largeur est mesurée selon une direction transversale, d'un côté 16, 17 à l'autre. Enfin la profondeur est mesurée perpendiculairement au semelage 12, depuis la face libre 18.According to the invention, with regard to figures 1 and 2 the longitudinal groove 25 of the sole 12 opens out at the free face 18, the groove having a length between 30 and 100% of the length of the outer sole 12, a width of between 25 and 45 mm, and a depth greater than or equal to at 4mm, the groove being compatible with one or more guide edges. It is specified that the length is measured in a longitudinal direction of the boot, from one end 14, 15 to the other. The width is measured in a transverse direction, from one side 16, 17 to the other. Finally the depth is measured perpendicular to the sole 12, from the free face 18.

La configuration ci-avant mentionnée permet à la rainure longitudinale 25 d'accueillir une ou plusieurs arêtes, qui peuvent avoir des sections différentes. En d'autres termes la rainure 25 permet au semelage 12 de s'adapter à différents dispositifs de retenue, et par corollaire à différents dispositifs de guidage, comme il est détaillé ci-après.The configuration mentioned above allows the longitudinal groove 25 to accommodate one or more edges, which may have different sections. In other words the groove 25 allows the sole 12 to adapt to different restraining devices, and corollary to different guiding devices, as detailed below.

Le dispositif de guidage 28 de la figure 1, désigné comme premier dispositif, est montré en coupe transversale schématique, en bas à gauche de la figure 2. Ici l'arête 29 et le socle 30 forment une pièce monobloc. On observe que l'arête 29 présente une section transversale en forme de trapèze, avec une face latérale 41 opposée à une face médiale 42, ainsi qu'un dessous 43 opposé à un dessus 44. On remarque que le dessous 43 est représenté en trait discontinu : il correspond à la limite entre l'arête 29 et le socle 30. Les faces latérale 41 et médiale 42 forment respectivement un angle α1 et α2 avec un plan longitudinal P1 perpendiculaire au socle 30. Les valeurs des angles α1, α2 sont comprises entre 1 et 40°, sachant que de bons résultats ont été obtenus avec des valeurs allant de 5 à 25°. Le dessous 43 de l'arête 29, parallèle au socle 30, présente une largeur W1 comprise entre 25 et 45mm, sachant que de bons résultats ont été obtenus pour des valeurs comprises entre 25 et 33mm. Le dessus 44 quant à lui, qui est parallèle au socle et au dessous 43, présente une largeur W2 comprise entre 22 et 28mm. Le dessous 43 est plus large que le dessus 44. La hauteur H1 de l'arête 29, mesurée entre le socle 30 et le dessus 44, est comprise entre 4 et 30mm, sachant que des valeurs comprises entre 5 et 22mm ont donné de bons résultats.The guiding device 28 of the figure 1 , designated as first device, is shown in schematic cross section, bottom left of the figure 2 . Here the edge 29 and the base 30 form a single piece. It is observed that the edge 29 has a trapezoidal cross-section, with a lateral face 41 opposite to a medial face 42, as well as an underside 43 opposite to a top 44. Note that the bottom 43 is shown in broken lines: it corresponds to the boundary between the edge 29 and the base 30. The lateral 41 and medial faces 42 form respectively an angle α1 and α2 with a longitudinal plane P1 perpendicular to the base 30. The values of the angles α1, α2 are between 1 and 40 °, knowing that good results have been obtained with values ranging from 5 to 25 °. The bottom 43 of the edge 29, parallel to the base 30, has a width W1 of between 25 and 45 mm, knowing that good results have been obtained for values between 25 and 33 mm. The top 44 meanwhile, which is parallel to the base and below 43, has a width W2 between 22 and 28mm. The bottom 43 is wider than the top 44. The height H1 of the edge 29, measured between the base 30 and the top 44, is between 4 and 30 mm, knowing that values between 5 and 22 mm have given good results. results.

Un deuxième dispositif de guidage 48 est montré en coupe transversale schématique, en bas à droite de la figure 2. On retrouve le socle 30, associé cette fois à deux arêtes latérale 49 et médiale 50. Bien sûr les arêtes 49, 50 sont orientées selon la longueur du socle 30. Les arêtes 49, 50 sont disposées de manière symétrique par rapport au plan longitudinal P1, sachant que celui-ci est centré transversalement par rapport au socle 30. Chaque arête 49, 50 présente une section transversale en forme de trapèze. L'arête latérale 49 présente une face latérale 51 qui forme avec le plan P1 un angle α1, similaire ou égal à celui du premier dispositif 28. Dans le même esprit l'arête médiale 50 présente une face médiale 52 qui forme avec le plan P1 un angle α2, similaire ou égal à celui du premier dispositif 28. En regard l'une de l'autre, les arêtes 49, 50 présentent respectivement des faces internes 53, 54 qui forment chacune avec le plan P1 un angle α3, α4, dont la valeur est comprise entre 3 et 40°, sachant que des valeurs comprises entre 5 et 25° ont donné de bons résultats. La hauteur H2 de chaque arête, mesurée entre le socle 30 et leurs dessus respectifs 55, 56, est comprise entre 3 et 8mm, sachant que des valeurs de 4 à 5mm ont donné de bons résultats. On remarque que la distance W1 qui sépare les arêtes 49, 50, à leur jonction avec le socle 30 et à la base des faces latérale 51 et médiale 52, est égale à la largeur W1 du dessous 43 de l'arête 29 du premier dispositif 28. La distance W3 qui, quant à elle, sépare la base des faces internes 53, 54, est comprise entre 14 et 23mm.A second guiding device 48 is shown in schematic cross section, at the bottom right of the figure 2 . We find the base 30, this time associated with two lateral edges 49 and medial 50. Of course the edges 49, 50 are oriented along the length of the base 30. The ridges 49, 50 are arranged symmetrically with respect to the longitudinal plane P1 , knowing that it is centered transversely to the base 30. Each edge 49, 50 has a trapezoidal cross section. The lateral edge 49 has a lateral face 51 which forms with the plane P1 an angle α1, similar or equal to that of the first device 28. In the same spirit the medial edge 50 has a medial face 52 which forms with the plane P1 an angle α2, similar or equal to that of the first device 28. With respect to each other, the ridges 49, 50 respectively have internal faces 53, 54 which each form with the plane P1 an angle α3, α4, whose value is between 3 and 40 °, knowing that values between 5 and 25 ° have given good results. The height H2 of each edge, measured between the base 30 and their respective tops 55, 56 is between 3 and 8 mm, knowing that values of 4 to 5 mm have given good results. Note that the distance W1 between the edges 49, 50, at their junction with the base 30 and at the base of the lateral 51 and medial faces 52, is equal to the width W1 of the bottom 43 of the edge 29 of the first device 28. The distance W3 which, in turn, separates the base of the inner faces 53, 54 is between 14 and 23mm.

Nous allons maintenant considérer plus précisément la rainure 25 du semelage 12, dans sa structure et sa coopération avec les dispositifs de guidage 28, 48.We will now consider more precisely the groove 25 of the sole 12, in its structure and its cooperation with the guide devices 28, 48.

Comme on peut le voir en haut de la figure 2, la rainure 25 est prévue pour s'emboiter exactement sur l'arête 29 du premier dispositif de guidage 28. A ce titre, la rainure 25 présente une section transversale en forme de trapèze, avec une face latérale 61 opposée à une face médiale 62, ainsi qu'un dessous 63 opposé à un dessus 64. Ici le dessous 63 est représenté en trait discontinu : il est contenu dans le plan P2, lequel passe par la face libre 18 du semelage 12. Le dessous 63 est l'entrée de la rainure 25. On remarque que l'entrée 63 présente une largeur W1 égale à celle du dessous 43 de l'arête 29. Le dessus 64, quant à lui, délimite le fond de la rainure 25. Le dessus 64 présente une largeur W2 égale à celle du dessus 44 de l'arête 29. En conséquence le fond 64 de la rainure 25 est moins large que l'entrée 63. En d'autres termes la rainure 25 se rétrécit dans un sens qui va de l'entrée vers le fond.As can be seen at the top of the figure 2 , the groove 25 is provided to fit exactly on the edge 29 of the first guide device 28. As such, the groove 25 has a trapezoid-shaped cross section, with a lateral face 61 opposite a medial face 62 , as well as a bottom 63 opposed to a top 64. Here the underside 63 is shown in broken lines: it is contained in the plane P2, which passes through the free face 18 of the sole assembly 12. The underside 63 is the entry of the groove 25. Note that the inlet 63 has a width W1 equal to that of the bottom 43 of the edge 29. The top 64, in turn, defines the bottom of the groove 25. The top 64 has a width W2 equal to that of the top 44 of the ridge 29. As a result, the bottom 64 of the groove 25 is narrower than the inlet 63. In other words, the groove 25 narrows in a direction that goes from the inlet to the bottom.

Les faces latérale 61 et médiale 62 sont prévues pour contacter respectivement les faces latérale 41 et médiale 42 de l'arête 29 du premier dispositif de guidage 28, ou bien les faces latérale 51 et médiale 52 des arêtes latérale 49 et médiale 50 du deuxième dispositif de guidage 48. On remarque que les arêtes latérale 61 et médiale 62 de la rainure 25 sont respectivement inclinées selon des angles α1 et a2 égaux ou similaires à ceux de l'arête 29. Bien entendu, les angles α1 et α2 sont mesurés relativement à un plan P3 perpendiculaire au fond ou dessus 64. Ici les angles α1 et α2 sont égaux. De ce fait la rainure 25 est symétrique transversalement. La profondeur de la rainure 25, ou encore la distance entre l'entrée 63 et le fond 64, est égale ou voisine de la distance H1 elle-même hauteur de l'arête 29. En d'autres termes la profondeur de la rainure 25 égale ou avoisine la hauteur de l'arête 29 et, de ce fait, est comprise entre 4 et 30mm.The lateral 61 and medial faces 62 are provided to contact respectively the lateral 41 and medial faces 42 of the edge 29 of the first guide device 28, or the lateral 51 and medial faces 52 of the lateral edges 49 and medial 50 of the second device 48. It is noted that the lateral 61 and medial edges 62 of the groove 25 are respectively inclined at angles α1 and a2 equal to or similar to those of the edge 29. Of course, the angles α1 and α2 are measured relative to a plane P3 perpendicular to the bottom or top 64. Here the angles α1 and α2 are equal. As a result, the groove 25 is transversely symmetrical. The depth of the groove 25, or the distance between the inlet 63 and the bottom 64, is equal to or close to the distance H1 itself height of the edge 29. In other words the depth of the groove 25 is equal to or near the height of the edge 29 and, therefore, is between 4 and 30mm.

Il apparaît donc que, selon la première forme de réalisation, la rainure 25 coopère, pour le moins, soit avec une arête unique de même section transversale, soit avec deux arêtes plus petites dont certaines surfaces sont disposées pour coopérer avec la rainure 25. Un avantage du semelage 12 est de coopérer avec au moins deux dispositifs de guidage différents. Lorsque la rainure 25 coopère avec une arête unique 29 de même section transversale, il peut être prévu de laisser un jeu fonctionnel entre le dessus 44 de l'arête et le fond 64 de la rainure. En conséquence le semelage 12 prend appui sur le socle 30 par sa face libre 18. Cela augmente la stabilité de l'appui.It therefore appears that, according to the first embodiment, the groove 25 cooperates, at the very least, with a single edge of the same cross section, or with two smaller edges, some of whose surfaces are arranged to cooperate with the groove 25. Advantage of the sole assembly 12 is to cooperate with at least two different guiding devices. When the groove 25 cooperates with a single edge 29 of the same cross section, it can be expected to leave a functional clearance between the top 44 of the edge and the bottom 64 of the groove. As a result, the sole assembly 12 bears on the base 30 by its free face 18. This increases the stability of the support.

Les autres formes de réalisation de l'invention sont décrites ci-après à l'aide des figures 3 à 6. Pour des raisons de commodité, les éléments communs avec la première forme sont désignés par les mêmes références.The other embodiments of the invention are described below with the help of Figures 3 to 6 . For the sake of convenience, the elements common with the first form are designated by the same references.

Pour la deuxième forme, selon la figure 3, on retrouve un semelage externe 12, le deuxième dispositif de guidage 48, ainsi qu'un troisième dispositif de guidage 68. On va voir que le semelage 12 est structuré pour coopérer avec les deuxième 48 et troisième 68 dispositifs. Parce qu'il l'a déjà été avant, le deuxième dispositif 48 n'est pas décrit ici. Le troisième dispositif 68, quant à lui, est similaire au premier mais avec une largeur réduite. Ainsi il 68 comprend une arête de guidage 69, une face latérale 71, une face médiale 72, un dessous 73, et un dessus 74. Les faces 71, 72 sont inclinées selon les valeurs des angles α1 et α2 vues précédemment. Le dessous 73 de l'arête 69 présente une largeur W5 comprise entre 15 et 20mm. Le dessus 74 de l'arête 69 présente une largeur W6 comprise entre 10 et 15mm. La hauteur H1 de l'arête 69 est comprise entre 10 et 30mm.For the second form, according to figure 3 there is an outer sole 12, the second guide device 48, and a third guide device 68. It will be seen that the sole 12 is structured to cooperate with the second 48 and third 68 devices. Because it has been before, the second device 48 is not described here. The third device 68, meanwhile, is similar to the first but with a reduced width. Thus it comprises a guide edge 69, a lateral face 71, a medial face 72, a bottom 73, and a top 74. The faces 71, 72 are inclined according to the values of the angles α1 and α2 seen previously. The bottom 73 of the edge 69 has a width W5 of between 15 and 20 mm. The top 74 of the edge 69 has a width W6 of between 10 and 15 mm. The height H1 of the edge 69 is between 10 and 30mm.

Pour coopérer avec chacun des dispositifs de guidage 48, 68, la rainure 85 du semelage 12 est prévue pour s'emboiter en partie sur le deuxième dispositif de guidage 48, et en partie sur le troisième 68. Pour ce faire la section transversale de la rainure 85 comprend une première subdivision 86 en forme de trapèze, ainsi qu'une deuxième subdivision 87 en forme de trapèze. La première subdivision 86 délimite l'entrée 88 de la rainure 85, et la deuxième subdivision 87 délimite le fond 89, les subdivisions étant séparées par un épaulement 90. Bien entendu, la première subdivision 86 est plus large que la deuxième 87. Le fond 89 de la rainure 85 présente une largeur W6 égale à celle du dessus 74. La limite entre les subdivisions 86, 87, au niveau de l'épaulement 88, présente une largeur W7 comprise entre les largeurs W5 et W6. Les profondeurs respectives H3, H4 des subdivisions 86, 87 valent chacune entre 20 et 60% de la profondeur H1 de la rainure 85. Par exemple, les profondeurs des subdivisions valent chacune 50% de la profondeur H1.To cooperate with each of the guiding devices 48, 68, the groove 85 of the sole assembly 12 is provided to fit partially on the second guiding device 48, and partly on the third 68. To do this the cross section of the groove 85 includes a first trapezoid-shaped subdivision 86 and a second trapezoid-shaped subdivision 87. The first subdivision 86 delimits the entry 88 of the groove 85, and the second subdivision 87 delimits the bottom 89, the subdivisions being separated by a shoulder 90. Of course, the first subdivision 86 is wider than the second 87. The bottom 89 of the groove 85 has a width W6 equal to that of the top 74. The boundary between the subdivisions 86, 87 at the shoulder 88 has a width W7 between the widths W5 and W6. The respective depths H3, H4 of the subdivisions 86, 87 are each between 20 and 60% of the depth H1 of the groove 85. For example, the depths of the subdivisions are each 50% of the depth H1.

On remarque que la première subdivision 86 et la deuxième 87 subdivision sont symétriques transversalement. Cela équilibre dans une direction transversale les efforts de contact entre le semelage 12 et le dispositif de guidage 48, 68 avec lequel il coopère.Note that the first subdivision 86 and the second subdivision 87 are symmetrical transversely. This balances in a transverse direction the contact forces between the sole 12 and the guide device 48, 68 with which it cooperates.

De plus, au niveau de la séparation entre la première subdivision 86 et la deuxième subdivision 87 de la rainure 85 du semelage 12, les parties latérale 91 et médiale 92 de l'épaulement 90 présentent la même largeur. Cela accroit la stabilité du semelage 12 lors d'un appui sur le dispositif de guidage 68.In addition, at the separation between the first subdivision 86 and the second subdivision 87 of the groove 85 of the sole assembly 12, the lateral 91 and medial 92 portions of the shoulder 90 have the same width. This increases the stability of the sole assembly 12 when pressing on the guiding device 68.

Pour la troisième forme, selon la figure 4, on retrouve un semelage externe 12, le deuxième dispositif de guidage 48, ainsi qu'un quatrième dispositif de guidage 98. Ce qui différencie cette forme par rapport à la deuxième, c'est son échelle. En fait ici l'arête de guidage 99 présente, au niveau de son dessous 103, une largeur W9 comprise entre 20 et 28mm. L'arête présente, au niveau de son dessus 104, une largeur W10 comprise entre 15 et 23mm.For the third form, according to figure 4 , there is an outer sole 12, the second guide device 48, and a fourth guide device 98. What differentiates this form from the second is its scale. In fact here the guide edge 99 has, at its underside 103, a width W9 between 20 and 28mm. The edge has, at its top 104, a width W10 between 15 and 23mm.

La rainure 115 du semelage 12 présente donc une première subdivision 116 et une deuxième subdivision 117, prévues pour accueillir les deuxième 48 et quatrième 98 dispositifs de guidage. Ainsi l'entrée 118 de la rainure présente une largeur W1 comprise entre 28 et 45mm. Le fond 119 de la rainure présente une largeur W10 comprise entre 15 et 23mm. A la séparation des subdivisions 116, 117, la largeur W11 de la rainure est comprise entre celles W9 et W10 du dessous 103 et du fond 119. Selon la troisième forme de réalisation, la combinaison des dispositifs de guidage compatibles avec le semelage 12 est différente. Là encore la première subdivision coopère avec un dispositif 48, tandis que la deuxième subdivision 117 coopère avec l'autre dispositif 98.The groove 115 of the sole assembly 12 thus has a first subdivision 116 and a second subdivision 117, designed to accommodate the second 48 and fourth 98 guiding devices. Thus the inlet 118 of the groove has a width W1 of between 28 and 45 mm. The bottom 119 of the groove has a width W10 of between 15 and 23 mm. At the separation of the subdivisions 116, 117, the width W11 of the groove is between those W9 and W10 of the underside 103 and the bottom 119. According to the third embodiment, the combination of the guiding devices compatible with the sole assembly 12 is different. . Here again the first subdivision cooperates with a device 48, while the second subdivision 117 cooperates with the other device 98.

La quatrième forme de réalisation est présentée à l'aide de la figure 5. On retrouve un semelage externe 12, le deuxième dispositif de guidage 48, ainsi qu'un cinquième dispositif de guidage 128. Ce qui est particulier ici, c'est la structure de l'arête de guidage 129 du cinquième dispositif. L'arête 129 comprend une portion large 130 prolongée par une portion étroite 131, chaque portion présentant une section transversale de forme trapézoïdale. Les deux portions 130, 131 forment une structure monobloc. Cet agencement permet une meilleure répartition transversale des appuis entre le semelage 12 et le cinquième dispositif de guidage 128.The fourth embodiment is presented using the figure 5 . There is an outer sole 12, the second guide device 48, and a fifth guide device 128. What is particular here is the structure of the guide edge 129 of the fifth device. The edge 129 comprises a wide portion 130 extended by a narrow portion 131, each portion having a trapezoidal cross section. The two portions 130, 131 form a one-piece structure. This arrangement allows a better transverse distribution of the supports between the sole assembly 12 and the fifth guide device 128.

La cinquième forme de réalisation est présentée à l'aide de la figure 6. Sur celle-ci, on retrouve une chaussure 1, un dispositif de retenue 2, et une planche 3. Ce qui est spécifique selon cette forme, c'est que la chaussure porte un deuxième organe de liaison 136 en plus du premier 26. Le deuxième organe 136 est lui aussi ancré dans le semelage 12. Cela permet par exemple, dans certains cas, la coopération avec un organe de rappel élastique, non représenté, vers le dispositif de retenue 2. Au final, on peut dire que la chaussure 1 comprend un ou deux organes de liaison 26, 136, logés en partie dans la rainure longitudinale 25, 85, 115 du semelage 12.The fifth embodiment is presented using the figure 6 . On it, there is a shoe 1, a retainer 2, and a board 3. What is specific in this form is that the shoe carries a second connecting member 136 in addition to the first 26. The second member 136 is also anchored in the sole 12. This allows for For example, in some cases, the cooperation with an elastic return member, not shown, towards the retaining device 2. In the end, it can be said that the boot 1 comprises one or two connecting members 26, 136, housed partly in the longitudinal groove 25, 85, 115 of the sole assembly 12.

Bien entendu l'invention n'est pas limitée aux formes de réalisation ci-avant décrites, et comprend tous les équivalents techniques pouvant entrer dans la portée des revendications qui vont suivre.Naturally, the invention is not limited to the embodiments described above, and includes all technical equivalents that fall within the scope of the claims that follow.

De manière générale, il est précisé que pour chaque section transversale en forme de trapèze d'une rainure ou d'une subdivision de rainure, l'angle d'inclinaison α1, α2 d'une face latérale 51, 71 ou médiale 52, 72 est compris entre 1 et 40°. Il peut être prévu que l'un ou les deux angles α1, α2 varient le long de la rainure. Dans le même esprit, il peut être prévu que la ou les profondeurs H1, H3, H4 varient le long de la rainure. Il peut encore être prévu que les largeurs W1, W2, W6, W7 varient le long de la rainure. Cela revient à dire que, pour certaines options, la section transversale de la rainure varie de l'une de ses extrémités à l'autre.In general, it is specified that for each trapezoidal cross-section of a groove or groove subdivision, the angle of inclination α1, α2 of a lateral face 51, 71 or medial 52, 72 is between 1 and 40 °. It can be provided that one or both angles α1, α2 vary along the groove. In the same spirit, it can be expected that the depth or depths H1, H3, H4 vary along the groove. It can further be provided that the widths W1, W2, W6, W7 vary along the groove. This is to say that for some options, the cross section of the groove varies from one end to the other.

Claims (11)

Chaussure (1) comprenant un semelage externe (12), le semelage externe (12) s'étendant en longueur depuis une extrémité arrière (14) jusqu'à une extrémité avant (15), en largeur entre un côté latéral (16) et un côté médial (17), et en hauteur entre une face libre (18) et une face de liaison (19), le semelage externe (12) présentant une rainure longitudinale (25, 85, 115) qui débouche au niveau de la face libre (18),
caractérisée par le fait que la rainure longitudinale (25, 85, 115) débouche au niveau de la face libre (18), la rainure ayant une longueur comprise entre 30 et 100% de la longueur du semelage externe (12), une largeur comprise entre 25 et 45mm, et une profondeur supérieure ou égale à 4mm, la rainure (25, 85, 115) étant compatible avec une ou plusieurs arêtes de guidage.Shoe (1) comprising an outer sole (12), the outer sole (12) extending in length from a rear end (14) to a front end (15), in width between a lateral side (16) and a medial side (17), and in height between a free face (18) and a connecting face (19), the outer sole (12) having a longitudinal groove (25, 85, 115) which opens at the level of the face free (18),
characterized in that the longitudinal groove (25, 85, 115) opens out at the free face (18), the groove having a length of between 30 and 100% of the length of the outer sole (12), a width of between 25 and 45mm, and a depth greater than or equal to 4mm, the groove (25, 85, 115) being compatible with one or more guide edges. Chaussure (1) selon la revendication 1, caractérisée par le fait que la rainure (25) présente une section transversale en forme de trapèze.Shoe (1) according to claim 1, characterized in that the groove (25) has a trapezoidal cross section. Chaussure (1) selon la revendication 1, caractérisée par le fait que la section transversale de la rainure (85, 115) comprend une première subdivision (86, 116), ainsi qu'une deuxième subdivision (87, 117).Shoe (1) according to claim 1, characterized in that the cross section of the groove (85, 115) comprises a first subdivision (86, 116) and a second subdivision (87, 117). Chaussure (1) selon la revendication 3, caractérisée par le fait que les profondeurs respectives (H3, H4) des subdivisions (86, 87, 116, 117) valent chacune entre 20 et 60% de la profondeur (H1) de la rainure (85, 115).Shoe (1) according to claim 3, characterized in that the respective depths (H3, H4) of the subdivisions (86, 87, 116, 117) are each between 20 and 60% of the depth (H1) of the groove ( 85, 115). Chaussure (1) selon la revendication 3 ou 4, caractérisée par le fait que la première subdivision (86, 116) et la deuxième subdivision (87, 117) sont symétriques transversalement.Shoe (1) according to claim 3 or 4, characterized in that the first subdivision (86, 116) and the second subdivision (87, 117) are symmetrical transversely. Chaussure (1) selon l'une des revendications 3 à 5, caractérisée par le fait que les subdivisions (86 et 87, 116 et 117) sont séparées par un épaulement (90), les parties latérale (91) et médiale (92) de l'épaulement (90) présentant la même largeur.Shoe (1) according to one of claims 3 to 5, characterized in that the subdivisions (86 and 87, 116 and 117) are separated by a shoulder (90), the lateral (91) and medial (92) shoulder (90) having the same width. Chaussure (1) selon l'une des revendications 3 à 6, caractérisée par le fait que la première subdivision (86, 116) est en forme de trapèze, et par le fait que la deuxième subdivision (87, 117) est en forme de trapèze.Shoe (1) according to one of claims 3 to 6, characterized in that the first subdivision (86, 116) is trapezoidal, and in that the second subdivision (87, 117) is shaped trapeze. Chaussure (1) selon la revendication 2 ou 7, caractérisée par le fait que pour chaque section transversale en forme de trapèze de la rainure (25) ou d'une subdivision (86, 87, 116, 117), l'angle d'inclinaison (α1, α2) d'une face latérale (51, 71) ou médiale (52, 72) est compris entre 1 et 40°.Shoe (1) according to claim 2 or 7, characterized in that for each trapezoidal cross-section of the groove (25) or of a subdivision (86, 87, 116, 117), the angle of inclination (α1, α2) of a lateral face (51, 71) or medial face (52, 72) is between 1 and 40 °. Chaussure (1) selon l'une des revendications 1 à 8, caractérisée par le fait que la profondeur de la rainure (25, 85, 115) est comprise entre 4 et 30mm.Shoe (1) according to one of claims 1 to 8, characterized in that the depth of the groove (25, 85, 115) is between 4 and 30mm. Chaussure (1) selon l'une des revendications 1 à 9, caractérisée par le fait qu'elle comprend un ou deux organes de liaison (26, 136), logés en partie dans la rainure longitudinale (25, 85, 115) du semelage (12).Shoe (1) according to one of claims 1 to 9, characterized in that it comprises one or two connecting members (26, 136), housed partly in the longitudinal groove (25, 85, 115) of the sole assembly (12). Arête de guidage (129) pour une chaussure (1) selon l'une des revendications 1 à 10, caractérisée par le fait qu'elle (129) comprend une portion large (130) prolongée par une portion étroite (131).Guide edge (129) for a shoe (1) according to one of claims 1 to 10, characterized in that it (129) comprises a wide portion (130) extended by a narrow portion (131).
EP11000013A 2010-02-04 2011-01-03 Shoe with improved sole Withdrawn EP2353417A1 (en)

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FR1000454A FR2955750B1 (en) 2010-02-04 2010-02-04 IMPROVED SHOE SHOE

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EP (1) EP2353417A1 (en)
CN (1) CN102144823A (en)
CA (1) CA2729225A1 (en)
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US9220970B1 (en) 2014-11-14 2015-12-29 The Burton Corporation Snowboard binding and boot
US9149711B1 (en) 2014-11-14 2015-10-06 The Burton Corporation Snowboard binding and boot
WO2016077441A1 (en) 2014-11-14 2016-05-19 The Burton Corporation Snowboard binding and boot
USD1007826S1 (en) 2022-03-23 2023-12-19 Mountain Origins Design LLC Footwear
USD1007110S1 (en) 2022-03-23 2023-12-12 Mountain Origins Design LLC Footwear
USD1008611S1 (en) 2022-03-23 2023-12-26 Mountain Origins Design LLC Footwear
USD1007825S1 (en) 2022-03-23 2023-12-19 Mountain Origins Design LLC Footwear

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FR2955750B1 (en) 2012-04-20
US8739435B2 (en) 2014-06-03
CA2729225A1 (en) 2011-08-04
CN102144823A (en) 2011-08-10
FR2955750A1 (en) 2011-08-05
RU2011103875A (en) 2012-08-10
US20110185596A1 (en) 2011-08-04

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