EP2014340B1 - Heel loop for a snowboard binding - Google Patents

Heel loop for a snowboard binding Download PDF

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Publication number
EP2014340B1
EP2014340B1 EP08159411A EP08159411A EP2014340B1 EP 2014340 B1 EP2014340 B1 EP 2014340B1 EP 08159411 A EP08159411 A EP 08159411A EP 08159411 A EP08159411 A EP 08159411A EP 2014340 B1 EP2014340 B1 EP 2014340B1
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EP
European Patent Office
Prior art keywords
hoop
chamber
connecting means
boot binding
snowboard boot
Prior art date
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Active
Application number
EP08159411A
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German (de)
French (fr)
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EP2014340A1 (en
Inventor
Jean-Marc Pascal
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
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Skis Rossignol SA
Rossignol SA
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Publication of EP2014340A1 publication Critical patent/EP2014340A1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C10/00—Snowboard bindings
    • A63C10/24—Calf or heel supports, e.g. adjustable high back or heel loops
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture

Definitions

  • the present invention relates to a rear hoop for attaching a shoe to a snowboard, also known by its English name "heel cup”. It also relates to a device for attaching a boot to a snowboard comprising such an arch and a snowboard comprising such a fixing device. Finally, it also relates to a method of manufacturing such a rear arch.
  • the fasteners implemented on the rear arch for example for fixing this arch with the base or the attachment of a strap or gutter rear on the hoop, are made using screws or mechanical means visible from outside the fastener which have an unsightly appearance.
  • a general object of the present invention is therefore a device for attaching a boot to an improved snowboard, at least partially overcoming the drawbacks mentioned above.
  • the present invention consists of a solution that tries to reach the following objects as much as possible.
  • a first object of the present invention is a shoe attachment device solution on a snowboard suitable for a large number of shoe sizes.
  • a second object of the present invention is a shoe attachment device solution on an economical snowboard, easy to manufacture.
  • a third object of the present invention is a shoe attachment device solution on a snowboard which has a very attractive aesthetic appearance, improved over the prior art.
  • the invention is based on a rear hoop for a shoe binding device on a snowboard, having a global shape U, comprising a central portion of connection disposed between two branches adapted for a removable connection with a shoe attachment device on a snowboard, characterized in that the bow comprises at least one zone where it is an extruded hollow body.
  • the figure 1 illustrates a partial view of a device for attaching a boot to a snowboard, which comprises a base having a horizontal portion 1 for receiving a shoe between vertical side portions 2 which serve to maintain the boot side and on which is fixed at least the attachment means 6 of the front part of the shoe, in a manner known from the prior art.
  • the invention relates to the rear part of this device, and in particular to the rear arch 3 in the shape of a U-shape which comes to conform to the rear shape of the heel, serves as a support and a rear support for the boot, via a gutter 4 extending vertically and mounted on the hoop at an attachment point 5, its rear face remaining abutting on the hoop 3.
  • a fastening strap 6 of the shoe is mounted on this hoop at the same connection point 5, rotatable around this point to be positioned at best on the top of the shoe at the ankle.
  • the upper part of the straps 6 is not shown to facilitate the legibility of the figure.
  • the rear arch 3 more particularly illustrated on the Figures 2 to 4 , comprises two parallel lateral branches 11 positioned on both sides of the shoe and a central rounded connection portion 12, intended to match the rear portion of the shoe just above the heel.
  • this arch 3 is distinct from the base 1, 2 and connected to the base by its two extreme parallel branches 11 which cooperate with housings arranged in the side portions 2 of the base.
  • a window arranged in the upper surface of the lateral parts makes it possible to visualize the arch, on which are present graduations which make it possible to know precisely the longitudinal adjustment chosen.
  • the arch has a hollow structure whose section illustrated on the figure 4 has a central hollow portion forming a large chamber 14, delimited by the inner side walls 15 and outer 16 of the arch 3, surrounded above and below by two small separate chambers 17 arranged within high and low parts of less wide section of the arch, which has a trapezoidal section, separated from the large chamber by two internal partitions 18.
  • This hollow structure achieves high rigidity and resistance with little material, even after the folding of the hoop, and the two walls of the hoop, inner and outer 15, and the internal partitions 18, have a thickness of about 1 millimeter only. More generally, they may have a metal thickness between 0.5 and 2 millimeters only to achieve rigidity and satisfactory performance.
  • the arch 3 is obtained by bending a profile formed by extrusion and the extruded metal arch 3 thus has the structural specificity of having its different rooms 14, 17 extending over its entire length.
  • a first nut 24 is disposed within the central chamber 14 towards the end of each lateral branch 11, this nut 24 cooperating with a screw 23 positioned from the inner side of the fixing device and through successively respectively the inner wall.
  • the vertical side portion 2 of the base and the inner wall 15 of the arch 3 through an opening 13 whose width corresponds to the diameter of the screw 23.
  • This opening 13 extends longitudinally on the inner wall 15 of the bar, thus forming a light, to allow a substantially longitudinal adjustment of the positioning of the arch 3 relative to the base 2.
  • a stop is provided within the chamber 14 to limit the displacement of the nut 24 to a length substantially equivalent to that of the light and to prevent the loss of the nut 24, either within the chamber 14 or the outside of the hoop 3.
  • Such an abutment could for example be obtained by a narrowing of the chamber 14 made by a slight punching of the inner wall 15 of the hoop on either side of the opening 13.
  • the stops are obtained by an insert 27 positioned within the central chamber 14, which will be detailed later.
  • the trapezoidal shape of the chamber 14 allows controlled retention of the nut 24 within it, of complementary trapezoidal shape, which remains locked in a position and can not slide in the chamber 14 in a tight configuration thanks to the cooperation between the inclined slopes of the nut and the chamber.
  • a second similar fixation on the arch is made further back on each leg 11, by a second nut 26 positioned in the same large central chamber 14 and accessible for screwing from an opening 19 provided on the inner wall 15 of the arch at this nut 26, and of dimension corresponding to the screw 25 cooperating with the nut 26.
  • This arrangement thus allows the attachment of a shoe holding device, based for example on a strap 6 fixing intended to cover the top of the shoe at the ankle and on a rear gutter 4.
  • the opening 19 could be a light providing a possibility of adjustment of these elements, similarly to the front opening 13.
  • the fasteners thus arranged on the hoop make it possible to leave the fastening means visible in a limited manner with respect to the state of the art since only the heads of the screws 23, 25 are visible on the single inner side of the hoop.
  • fixing device that is to say oriented towards the horizontal base 1, which side is hidden by the shoe when using the device. This therefore allows to achieve a significantly improved aesthetic appearance since no fastening means is visible from outside the fastener in the area of the arch.
  • an insert 27 is inserted into the large chamber 14 by the end of each leg 11 of the arch.
  • This insert defines two housings 28, 29 for each nut 24, 26, stops 30, 31, 32, 33 on each side of each housing 28, 29 to delimit the longitudinal displacement of the nuts 24, 26, and an end face 34 which remains outside the arch 3 and allows to close and dress the ends of the two branches 11 of the arch.
  • This insert 27 thus makes it possible to guarantee the correct positioning of the first nut 24 over its range of displacement corresponding to the light and the correct positioning of the second nut 26 in front of the opening 19.
  • Such an insert also fulfills a sealing function of the hoop and can even improve the fixing cooperating with the screws 23, 25 so as to make the nuts 24, 26 equivalent to nilstop nuts.
  • the invention also relates to the manufacturing method which consists of a step of manufacturing a section of trapezoidal section comprising three chambers 14, 17, by extrusion, and then cutting and shaping, for example by bending or folding, of this profile to achieve the final geometry described above and shown in the figures. Finally, openings 13, 19 are made by machining and the inserts 27, 24, 26 positioned within the hoop. Such a method has the advantage of being economical, since it uses a small amount of metal per profile and generates little or no drop.
  • advantageous hoops incorporating the concept of the invention may be made by other methods on the basis of other materials.
  • arches of plastics material comprising at least some hollow parts may be obtained by extrusion.
  • plastic hoops could be obtained by injection or profiling.
  • arches can also be made of other materials such as carbon fiber, Kevlar or glass, embedded in a thermosetting or thermoplastic matrix.
  • a fabric composed of these fibers may be shaped around a mandrel or by any other known equivalent method.
  • the combination of an arch independent of the base and at least partially hollow has the advantage of offering a multitude of possibilities for the geometry and appearance of the arch. Indeed, this combination of distinct and hollow arch characteristics makes it possible to overcome, on the one hand, the constraints imposed by the manufacturing process of the base and, on the other hand, the mechanical stresses of rigidity since the hollow parts reach a certain height. satisfactory rigidity quite easily.
  • the solution allows to choose relatively freely the shape of the section of the arch and allows a real aesthetic research.
  • the presence of the chambers also improves the aesthetic appearance of the arch hiding at least partially the various fastening means implemented on the hoop.
  • the illustrated arch has a constant section and chambers extending over its entire length due to the extrusion process used.
  • its section could vary, and the arch could have only a few hollow parts, with one or more chambers, without departing from the concept of the invention, from the moment these hollow parts are sufficient to mechanically strengthen the structure of set of the hoop and / or set up the aesthetic fastening means described above.
  • the intermediate portion 12 of the arch, between the two branches 11 may have a shape other than a rounded.
  • it could be in the form of several broken lines, obtained for example by several bends of a profile.
  • the hollow structure of the arch has been illustrated with completely closed chambers, with the exception of the openings 13, 19 made for the fastening functions.
  • other openings may be added on the inner and / or outer walls 16 and / or the upper and / or lower of the arch, for example to lighten the arch and reduce the amount of material used, or simply to form decorations.
  • the presence of zones comprising at least one closed chamber has the advantage of making it possible to achieve good rigidity for a small amount of material used.
  • the hoop can be in different rigid materials, metal or plastic. These materials can provide new opportunities for decorating arches. They may for example be aluminum, decorated by anodizing process, sanding or pad printing. As a variant, they may comprise parts made of transparent plastics material, revealing, by transparency, decorative elements positioned in an inner hollow portion or on its inner face.
  • the hoop is a separate element of the base, which has been connected to the base by an adjustable screw nut device. Any other means of attachment could alternatively be used, such as the positioning of the screw head in a shaft chamber and the nut on the outside, or any other means that a screw / nut couple as a solution with eccentric connection, operable without tools.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Diaphragms And Bellows (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Package Frames And Binding Bands (AREA)

Abstract

The cup (3) has a hollow extruded body provided in a zone with a closed chamber, and an inner lateral wall including openings (13, 19) for providing access to respective connection units i.e. nuts (24, 26). A round central connection part (12) is arranged between two parallel lateral sections (11) removably connected with a footwear fixation device that fixes a footwear on a snowboard, where the cup is made of metal or extruded plastic material. The opening (13) is extended longitudinally on the lateral wall of the cup. An independent claim is also included for a method for manufacturing a heel cup.

Description

La présente invention concerne un arceau arrière pour dispositif de fixation d'une chaussure sur un snowboard, aussi appelé par sa dénomination anglo-saxonne « heel cup ». Elle concerne aussi un dispositif de fixation d'une chaussure sur un snowboard comprenant un tel arceau et un snowboard comprenant un tel dispositif de fixation. Enfin, elle concerne aussi un procédé de fabrication d'un tel arceau arrière.The present invention relates to a rear hoop for attaching a shoe to a snowboard, also known by its English name "heel cup". It also relates to a device for attaching a boot to a snowboard comprising such an arch and a snowboard comprising such a fixing device. Finally, it also relates to a method of manufacturing such a rear arch.

Il existe une première famille de dispositifs de fixation d'une chaussure sur un snowboard dans l'état de la technique, telle que la solution décrite dans le document FR2758092 , qui consistent en des dispositifs comprenant une embase et un arceau arrière indissociables, formant une seule pièce fabriquée habituellement par une même injection de matériau plastique. Ces solutions présentent un premier inconvénient de manque de flexibilité car l'arceau arrière n'est pas réglable, ce qui limite leur utilisation à un nombre limité de pointures de chaussure. Plusieurs pointures différentes sont donc obligatoirement fabriquées pour chaque modèle, ce qui exige plusieurs moules de fabrication et entraîne des coûts importants. Un second inconvénient de ces solutions provient du fait que les arceaux arrière présentent une épaisseur importante, et comprennent donc une grande quantité de matériau plastique, ce qui n'est pas économique et limite les effets esthétiques possibles.There is a first family of devices for attaching a shoe to a snowboard in the state of the art, such as the solution described in the document FR2758092 , which consist of devices comprising a base and a rear hoop indissociable, forming a single piece usually manufactured by the same injection of plastic material. These solutions have a first disadvantage of lack of flexibility because the rear arch is not adjustable, which limits their use to a limited number of shoe sizes. Several different sizes are therefore necessarily manufactured for each model, which requires several manufacturing molds and entails significant costs. A second disadvantage of these solutions comes from the fact that the rear arches have a large thickness, and therefore comprise a large amount of plastic material, which is not economical and limits the possible aesthetic effects.

Il existe une seconde famille de dispositifs de fixation d'une chaussure sur un snowboard dans l'état de la technique, telle que la solution décrite dans le document FR2838977 , pour lesquels l'arceau arrière est généralement en métal et distinct du reste de l'embase, assemblé selon une liaison mobile avec l'embase afin d'offrir un positionnement réglable par rapport à l'embase pour s'adapter à la pointure d'une chaussure positionnée au sein de l'embase. Dans ces solutions, le strap arrière de fixation de la chaussure au niveau de la cheville est en général monté sur l'arceau pour rester adapté à la chaussure quel que soit le positionnement de l'arceau. Une telle solution permet ainsi par exemple de reculer l'arceau pour accueillir des chaussures de plus grande pointure. Elle est donc plus flexible que les solutions mises en oeuvre par la première famille de dispositifs puisqu'une même embase devient compatible avec un plus grand nombre de pointures de chaussure. L'inconvénient de ces solutions est son coût élevé car elles reposent sur un arceau en métal épais pour résister aux contraintes appliquées, conserver une bonne rigidité et une bonne tenue après son pliage. Le procédé de fabrication d'un tel arceau est complexe et coûteux puisqu'il comprend les étapes d'emboutissage d'une tôle pour former l'arceau, étape qui génère de nombreuses chutes de matière, puis d'assemblage avec l'embase. De plus, la géométrie de l'arceau est imposée par les contraintes mécaniques, qui exigent une grande épaisseur, ce qui limite grandement la définition de formes variées pour rechercher un aspect attractif.There is a second family of devices for attaching a shoe to a snowboard in the state of the art, such as the solution described in the document FR2838977 , for which the rear arch is generally made of metal and distinct from the rest of the base, assembled in a movable connection with the base to provide an adjustable positioning relative to the base to adapt to the size of the base. a shoe positioned within of the base. In these solutions, the rear binding strap of the shoe at the ankle is generally mounted on the hoop to remain adapted to the shoe regardless of the positioning of the hoop. Such a solution thus allows for example to move back the hoop to accommodate shoes of larger size. It is therefore more flexible than the solutions implemented by the first family of devices since the same base becomes compatible with a larger number of shoe sizes. The disadvantage of these solutions is its high cost because they rely on a thick metal roll bar to resist the applied stresses, maintain good rigidity and good performance after folding. The method of manufacturing such a hoop is complex and expensive since it comprises the steps of stamping a sheet to form the hoop, a step that generates many material falls, and then assembly with the base. In addition, the geometry of the arch is imposed by the mechanical stresses, which require a great thickness, which greatly limits the definition of various shapes to look for an attractive appearance.

De plus, dans toutes les solutions de l'état de la technique décrites ci-dessus, les fixations implémentées sur l'arceau arrière, par exemple pour la fixation de cet arceau avec l'embase ou la fixation d'un strap ou une gouttière arrière sur l'arceau, sont réalisées à l'aide de vis ou de moyens mécaniques visibles depuis l'extérieur du dispositif de fixation qui présentent un aspect peu esthétique.In addition, in all the solutions of the state of the art described above, the fasteners implemented on the rear arch, for example for fixing this arch with the base or the attachment of a strap or gutter rear on the hoop, are made using screws or mechanical means visible from outside the fastener which have an unsightly appearance.

Le document WO 2007/064890 décrit un arceau et une méthode de fabrication d'un arceau selon les préambules des revendications 1 et 18.The document WO 2007/064890 describes a hoop and a method of manufacturing a hoop according to the preambles of claims 1 and 18.

Un objet général de la présente invention consiste donc en un dispositif de fixation d'une chaussure sur un snowboard amélioré, palliant au moins partiellement aux inconvénients rappelés ci-dessus.A general object of the present invention is therefore a device for attaching a boot to an improved snowboard, at least partially overcoming the drawbacks mentioned above.

Plus précisément, la présente invention consiste en une solution qui essaie d'atteindre au maximum les objets suivants.More precisely, the present invention consists of a solution that tries to reach the following objects as much as possible.

Un premier objet de la présente invention consiste en une solution de dispositif de fixation d'une chaussure sur un snowboard adapté à un grand nombre de pointures de chaussure.A first object of the present invention is a shoe attachment device solution on a snowboard suitable for a large number of shoe sizes.

Un second objet de la présente invention consiste en une solution de dispositif de fixation d'une chaussure sur un snowboard économique, facile à fabriquer.A second object of the present invention is a shoe attachment device solution on an economical snowboard, easy to manufacture.

Un troisième objet de la présente invention consiste en une solution de dispositif de fixation d'une chaussure sur un snowboard qui présente un aspect esthétique très attractif, amélioré par rapport à l'art antérieur.A third object of the present invention is a shoe attachment device solution on a snowboard which has a very attractive aesthetic appearance, improved over the prior art.

L'invention repose sur un arceau arrière pour un dispositif de fixation de chaussure sur un snowboard, présentant une forme globale un U, comprenant une partie centrale de liaison disposée entre deux branches adaptées pour une liaison amovible avec un dispositif de fixation de chaussure sur un snowboard, caractérisé en ce que l'arceau comprend au moins une zone où il est un corps creux extrudé.The invention is based on a rear hoop for a shoe binding device on a snowboard, having a global shape U, comprising a central portion of connection disposed between two branches adapted for a removable connection with a shoe attachment device on a snowboard, characterized in that the bow comprises at least one zone where it is an extruded hollow body.

L'invention porte aussi sur un procédé de fabrication d'un arceau arrière pour un dispositif de fixation de chaussure sur un snowboard, caractérisé en ce qu'il comprend les étapes suivantes :

  • fabrication d'un profilé comprenant une structure creuse par extrusion,
  • coupe et mise en forme du profilé.
The invention also relates to a method of manufacturing a rear hoop for a boot binding device on a snowboard, characterized in that it comprises the following steps:
  • manufacturing a profile comprising a hollow structure by extrusion,
  • cutting and shaping of the profile.

L'invention est plus précisément définie par les revendications.The invention is more precisely defined by the claims.

Ces objets, caractéristiques et avantages de la présente invention seront exposés en détail dans la description suivante d'un mode d'exécution particulier fait à titre non-limitatif en relation avec les figures jointes parmi lesquelles :

  • La figure 1 représente une vue partielle en perspective avant de côté d'un dispositif de fixation d'une chaussure sur un snowboard selon un mode d'exécution de l'invention;
  • la figure 2 représente une vue en perspective éclatée de la liaison entre l'arceau arrière et l'embase du dispositif de fixation d'une chaussure sur un snowboard selon le mode d'exécution de l'invention;
  • la figure 3 est une vue en perspective de l'arceau arrière selon le mode d'exécution de l'invention;
  • la figure 4 est une vue en coupe IV-IV transversale de la section de l'arceau arrière selon le mode d'exécution de l'invention.
These objects, features and advantages of the present invention will be set forth in detail in the following description of a particular embodiment made in a non-limiting manner in relation to the appended figures among which:
  • The figure 1 represents a partial front perspective view of a shoe attachment device on a snowboard according to an embodiment of the invention;
  • the figure 2 represents an exploded perspective view of the connection between the rear bow and the base of the device for attaching a boot to a snowboard according to the embodiment of the invention;
  • the figure 3 is a perspective view of the rear arch according to the embodiment of the invention;
  • the figure 4 is a cross section IV-IV cross section of the rear arch according to the embodiment of the invention.

La figure 1 illustre une vue partielle d'un dispositif de fixation d'une chaussure sur un surf des neiges, qui comprend une embase présentant une partie horizontale 1 destinée à recevoir une chaussure entre des parties latérales verticales 2 qui servent de maintien latéral de la chaussure et sur lesquelles est fixé au moins le moyen de fixation 6 de la partie antérieure de la chaussure, de manière connue de l'art antérieur.The figure 1 illustrates a partial view of a device for attaching a boot to a snowboard, which comprises a base having a horizontal portion 1 for receiving a shoe between vertical side portions 2 which serve to maintain the boot side and on which is fixed at least the attachment means 6 of the front part of the shoe, in a manner known from the prior art.

L'invention porte sur la partie arrière de ce dispositif, et notamment sur l'arceau arrière 3 en forme globale en U qui vient épouser la forme arrière du talon, sert de maintien et d'appui arrière à la chaussure, par l'intermédiaire d'une gouttière 4 s'étendant verticalement et monté sur cet arceau en un point de fixation 5, sa face arrière restant en butée sur l'arceau 3. Un strap de fixation 6 de la chaussure est monté sur cet arceau au même point de liaison 5, mobile en rotation autour de ce point pour pouvoir se positionner au mieux sur le dessus de la chaussure au niveau de la cheville. La partie haute des straps 6 n'est pas représentée pour faciliter la lisibilité de la figure.The invention relates to the rear part of this device, and in particular to the rear arch 3 in the shape of a U-shape which comes to conform to the rear shape of the heel, serves as a support and a rear support for the boot, via a gutter 4 extending vertically and mounted on the hoop at an attachment point 5, its rear face remaining abutting on the hoop 3. A fastening strap 6 of the shoe is mounted on this hoop at the same connection point 5, rotatable around this point to be positioned at best on the top of the shoe at the ankle. The upper part of the straps 6 is not shown to facilitate the legibility of the figure.

L'arceau arrière 3, plus particulièrement illustré sur les figures 2 à 4, comprend deux branches latérales parallèles 11 positionnées sur les deux côtés de la chaussure et une partie centrale de liaison arrondie 12, destinée à épouser la partie arrière de la chaussure juste au-dessus du talon.The rear arch 3, more particularly illustrated on the Figures 2 to 4 , comprises two parallel lateral branches 11 positioned on both sides of the shoe and a central rounded connection portion 12, intended to match the rear portion of the shoe just above the heel.

Selon un élément essentiel de l'invention, cet arceau 3 est distinct de l'embase 1, 2 et relié à l'embase par ses deux branches parallèles extrêmes 11 qui coopèrent avec des logements aménagés dans les parties latérales 2 de l'embase. Une fenêtre aménagée dans la surface supérieure des parties latérales permet de visualiser l'arceau, sur lequel sont présentes des graduations qui permettent de connaître avec précision le réglage longitudinal choisi.According to an essential element of the invention, this arch 3 is distinct from the base 1, 2 and connected to the base by its two extreme parallel branches 11 which cooperate with housings arranged in the side portions 2 of the base. A window arranged in the upper surface of the lateral parts makes it possible to visualize the arch, on which are present graduations which make it possible to know precisely the longitudinal adjustment chosen.

Nous appellerons dans tout le texte la direction longitudinale celle s'étendant de l'arrière vers l'avant du dispositif de fixation, en passant sensiblement du centre de l'arceau 3 vers le centre de l'embase 1, et la direction verticale la perpendiculaire au plan défini par le plan horizontal 1 de l'embase.We will call throughout the text the longitudinal direction that extending from the rear to the front of the fixing device, passing substantially from the center of the arch 3 towards the center of the base 1, and the vertical direction the perpendicular to the plane defined by the horizontal plane 1 of the base.

Selon une autre caractéristique essentielle de l'arceau, il présente une structure creuse dont la section illustrée sur la figure 4 présente une partie creuse centrale formant une grande chambre 14, délimitée par les parois latérales intérieure 15 et extérieure 16 de l'arceau 3, entouré au-dessus et au-dessous par deux petites chambres 17 distinctes aménagées au sein des parties hautes et basses de section moins large de l'arceau, qui présente une section trapézoïdale, séparées de la grande chambre par deux cloisons intérieures 18. Cette structure creuse permet d'atteindre une grande rigidité et résistance avec peu de matière, même après le pliage de l'arceau, et les deux parois de l'arceau, intérieure 15 et extérieure 16, ainsi que les cloisons internes 18, présentent une épaisseur d'environ 1 millimètre seulement. Plus généralement, elles peuvent présenter une épaisseur métallique comprise entre 0.5 et 2 millimètres seulement pour permettre d'atteindre une rigidité et performance satisfaisante.According to another essential characteristic of the arch, it has a hollow structure whose section illustrated on the figure 4 has a central hollow portion forming a large chamber 14, delimited by the inner side walls 15 and outer 16 of the arch 3, surrounded above and below by two small separate chambers 17 arranged within high and low parts of less wide section of the arch, which has a trapezoidal section, separated from the large chamber by two internal partitions 18. This hollow structure achieves high rigidity and resistance with little material, even after the folding of the hoop, and the two walls of the hoop, inner and outer 15, and the internal partitions 18, have a thickness of about 1 millimeter only. More generally, they may have a metal thickness between 0.5 and 2 millimeters only to achieve rigidity and satisfactory performance.

Selon le mode d'exécution décrit dont le procédé de fabrication sera exposé ci-après, l'arceau 3 est obtenu par cintrage d'un profilé formé par extrusion et l'arceau métallique extrudé 3 présente donc la spécificité structurelle d'avoir ses différentes chambres 14, 17 s'étendant sur toute sa longueur.According to the embodiment described, the method of manufacture will be explained below, the arch 3 is obtained by bending a profile formed by extrusion and the extruded metal arch 3 thus has the structural specificity of having its different rooms 14, 17 extending over its entire length.

Cette solution permet de plus d'exploiter la présence des chambres pour la mise en oeuvre de moyens de fixation plus esthétiques sur l'arceau. En effet, un premier écrou 24 est disposé au sein de la chambre centrale 14 vers l'extrémité de chaque branche latérale 11, cet écrou 24 coopérant avec une vis 23 positionnée depuis le côté intérieur du dispositif de fixation et traversant successivement respectivement la paroi intérieure de la partie latérale verticale 2 de l'embase et la paroi intérieure 15 de l'arceau 3 par une ouverture 13 dont la largeur correspond au diamètre de la vis 23. Cette ouverture 13 s'étend longitudinalement sur la paroi intérieure 15 de l'arceau, formant ainsi une lumière, afin de permettre un réglage sensiblement longitudinal du positionnement de l'arceau 3 relativement à l'embase 2. En effet, pour effectuer un tel réglage, il suffit de desserrer la vis 23 pour rendre possible un mouvement de l'arceau 3 au sein de son logement dans l'embase 2, l'écrou 24 se déplaçant alors au sein de la chambre 14 dans laquelle il se trouve. Ce déplacement est possible sur toute la longueur de l'ouverture 13 qui permet ainsi aisément de définir la plage de réglage souhaitée. Ce déplacement permet donc d'avancer ou reculer la partie arrondie 12 de l'arceau qui supporte le talon de la chaussure et d'adapter le dispositif de fixation à différentes pointures de chaussure.This solution also makes it possible to exploit the presence of the chambers for the implementation of more aesthetic fastening means on the hoop. Indeed, a first nut 24 is disposed within the central chamber 14 towards the end of each lateral branch 11, this nut 24 cooperating with a screw 23 positioned from the inner side of the fixing device and through successively respectively the inner wall. the vertical side portion 2 of the base and the inner wall 15 of the arch 3 through an opening 13 whose width corresponds to the diameter of the screw 23. This opening 13 extends longitudinally on the inner wall 15 of the bar, thus forming a light, to allow a substantially longitudinal adjustment of the positioning of the arch 3 relative to the base 2. Indeed, to perform such an adjustment, simply loosen the screw 23 to make possible a movement of the arch 3 in its housing in the base 2, the nut 24 then moving within the chamber 14 in which it is located. This displacement is possible over the entire length of the opening 13, which thus makes it easy to define the desired adjustment range. This movement thus makes it possible to advance or retreat the rounded portion 12 of the arch that supports the heel of the shoe and to adapt the fastening device to different shoe sizes.

Avantageusement, une butée est prévue au sein de la chambre 14 pour limiter le déplacement de l'écrou 24 sur une longueur sensiblement équivalente à celle de la lumière et éviter la perte de l'écrou 24, soit au sein de la chambre 14 soit à l'extérieur de l'arceau 3. Une telle butée pourrait par exemple être obtenue par un rétrécissement de la chambre 14 réalisé par un léger poinçonnage de la paroi intérieure 15 de l'arceau de part et d'autre de l'ouverture 13. Dans ce mode d'exécution représenté, les butées sont obtenues par un insert 27 positionné au sein de la chambre centrale 14, qui sera détaillé plus loin. De plus, la forme trapézoïdale de la chambre 14 permet un maintien contrôlé de l'écrou 24 en son sein, de forme trapézoïdale complémentaire, qui reste bloqué dans une position et ne peut pas glisser dans la chambre 14 en configuration serrée grâce à la coopération entre les pentes inclinées de l'écrou et de la chambre.Advantageously, a stop is provided within the chamber 14 to limit the displacement of the nut 24 to a length substantially equivalent to that of the light and to prevent the loss of the nut 24, either within the chamber 14 or the outside of the hoop 3. Such an abutment could for example be obtained by a narrowing of the chamber 14 made by a slight punching of the inner wall 15 of the hoop on either side of the opening 13. In this embodiment shown, the stops are obtained by an insert 27 positioned within the central chamber 14, which will be detailed later. In addition, the trapezoidal shape of the chamber 14 allows controlled retention of the nut 24 within it, of complementary trapezoidal shape, which remains locked in a position and can not slide in the chamber 14 in a tight configuration thanks to the cooperation between the inclined slopes of the nut and the chamber.

Une seconde fixation similaire sur l'arceau est réalisée plus en arrière sur chaque branche 11, par un second écrou 26 positionné dans la même grande chambre centrale 14 et accessible pour un vissage depuis une ouverture 19 prévue sur la paroi intérieure 15 de l'arceau au niveau de cet écrou 26, et de dimension correspondant à la vis 25 coopérant avec l'écrou 26. Cet agencement permet ainsi la fixation d'un dispositif de maintien de la chaussure, basé par exemple sur un strap 6 de fixation destiné à recouvrir le dessus de la chaussure au niveau de la cheville et sur une gouttière arrière 4. En variante, l'ouverture 19 pourrait être une lumière offrant une possibilité de réglage de ces éléments, de manière similaire à l'ouverture antérieure 13.A second similar fixation on the arch is made further back on each leg 11, by a second nut 26 positioned in the same large central chamber 14 and accessible for screwing from an opening 19 provided on the inner wall 15 of the arch at this nut 26, and of dimension corresponding to the screw 25 cooperating with the nut 26. This arrangement thus allows the attachment of a shoe holding device, based for example on a strap 6 fixing intended to cover the top of the shoe at the ankle and on a rear gutter 4. Alternatively, the opening 19 could be a light providing a possibility of adjustment of these elements, similarly to the front opening 13.

Dans les deux cas, les fixations ainsi aménagées sur l'arceau permettent de laisser visible le moyen de fixation de manière limitée par rapport à l'état de la technique puisque seules les têtes des vis 23, 25 sont visibles sur le seul côté intérieur du dispositif de fixation, c'est-à-dire orienté vers l'embase horizontale 1, côté qui est caché par la chaussure lors de l'utilisation du dispositif. Cela permet donc d'atteindre un aspect esthétique nettement amélioré puisque aucun moyen de fixation n'est visible depuis l'extérieur du dispositif de fixation dans la zone de l'arceau.In both cases, the fasteners thus arranged on the hoop make it possible to leave the fastening means visible in a limited manner with respect to the state of the art since only the heads of the screws 23, 25 are visible on the single inner side of the hoop. fixing device, that is to say oriented towards the horizontal base 1, which side is hidden by the shoe when using the device. This therefore allows to achieve a significantly improved aesthetic appearance since no fastening means is visible from outside the fastener in the area of the arch.

Selon ce mode d'exécution, pour faciliter le positionnement des écrous 24, 26 et les maintenir en butée, un insert 27 est inséré au sein de la grande chambre 14 par l'extrémité de chaque branche 11 de l'arceau. Cet insert définit deux logements 28, 29 pour chaque écrou 24, 26, des butées 30, 31, 32, 33 de chaque côté de chaque logement 28, 29 pour délimiter le déplacement longitudinal des écrous 24, 26, et une face extrême 34 qui reste à l'extérieur de l'arceau 3 et permet de fermer et habiller les extrémités des deux branches 11 de l'arceau. Cet insert 27 permet ainsi de garantir le bon positionnement du premier écrou 24 sur sa plage de déplacement correspondant à la lumière et le bon positionnement du second écrou 26 en face de l'ouverture 19. Un tel insert remplit de plus une fonction d'étanchéité de l'arceau et peut même améliorer la fixation en coopérant avec les vis 23, 25 de sorte de rendre les écrous 24, 26 équivalents à des écrous nilstop.According to this embodiment, to facilitate positioning of the nuts 24, 26 and hold them in abutment, an insert 27 is inserted into the large chamber 14 by the end of each leg 11 of the arch. This insert defines two housings 28, 29 for each nut 24, 26, stops 30, 31, 32, 33 on each side of each housing 28, 29 to delimit the longitudinal displacement of the nuts 24, 26, and an end face 34 which remains outside the arch 3 and allows to close and dress the ends of the two branches 11 of the arch. This insert 27 thus makes it possible to guarantee the correct positioning of the first nut 24 over its range of displacement corresponding to the light and the correct positioning of the second nut 26 in front of the opening 19. Such an insert also fulfills a sealing function of the hoop and can even improve the fixing cooperating with the screws 23, 25 so as to make the nuts 24, 26 equivalent to nilstop nuts.

L'invention porte aussi sur le procédé de fabrication qui consiste en une étape de fabrication d'un profilé de section trapézoïdale comprenant trois chambres 14, 17, par extrusion, puis la coupe et la mise en forme, par cintrage ou pliage par exemple, de ce profilé pour atteindre la géométrie finale décrite précédemment et représentée sur les figures. Enfin, des ouvertures 13, 19, sont réalisées par usinage et les inserts 27, 24, 26 positionnés au sein de l'arceau. Un tel procédé présente l'avantage d'être économique, puisqu'il utilise une faible quantité de métal par profilé et génère de plus peu ou pas de chute.The invention also relates to the manufacturing method which consists of a step of manufacturing a section of trapezoidal section comprising three chambers 14, 17, by extrusion, and then cutting and shaping, for example by bending or folding, of this profile to achieve the final geometry described above and shown in the figures. Finally, openings 13, 19 are made by machining and the inserts 27, 24, 26 positioned within the hoop. Such a method has the advantage of being economical, since it uses a small amount of metal per profile and generates little or no drop.

Toutefois, des arceaux avantageux reprenant le concept de l'invention peuvent être fabriqués par d'autres procédés sur la base d'autres matériaux. Par exemple, des arceaux en matériau plastique comprenant au moins quelques parties creuses peuvent être obtenus par extrusion. En variante, de tels arceaux plastiques pourraient être obtenus par injection ou profilage. Ces arceaux peuvent aussi être fabriqués avec d'autres matériaux comme des fibres de carbone, de kevlar ou de verre, noyées dans une matrice thermodurcissable ou thermoplastique. Pour cela, un tissu composé de ces fibres pourra être mis en forme autour d'un mandrin ou par tout autre procédé connu équivalent.However, advantageous hoops incorporating the concept of the invention may be made by other methods on the basis of other materials. For example, arches of plastics material comprising at least some hollow parts may be obtained by extrusion. Alternatively, such plastic hoops could be obtained by injection or profiling. These arches can also be made of other materials such as carbon fiber, Kevlar or glass, embedded in a thermosetting or thermoplastic matrix. For this, a fabric composed of these fibers may be shaped around a mandrel or by any other known equivalent method.

La combinaison d'un arceau indépendant de l'embase et au moins partiellement creux présente l'avantage d'offrir une multitude de possibilités pour la géométrie et l'aspect de l'arceau. En effet, cette combinaison des caractéristiques d'arceau distinct et creux permet de s'affranchir d'une part des contraintes imposées par le procédé de fabrication de l'embase et d'autre part des contraintes mécaniques de rigidité puisque les parties creuses atteignent une rigidité satisfaisante assez facilement. La solution permet donc de choisir relativement librement la forme de la section de l'arceau et permet une véritable recherche esthétique. De plus, la présence des chambres permet aussi l'amélioration de l'aspect esthétique de l'arceau en cachant au moins partiellement les différents moyens de fixation mis en oeuvre sur l'arceau.The combination of an arch independent of the base and at least partially hollow has the advantage of offering a multitude of possibilities for the geometry and appearance of the arch. Indeed, this combination of distinct and hollow arch characteristics makes it possible to overcome, on the one hand, the constraints imposed by the manufacturing process of the base and, on the other hand, the mechanical stresses of rigidity since the hollow parts reach a certain height. satisfactory rigidity quite easily. The solution allows to choose relatively freely the shape of the section of the arch and allows a real aesthetic research. In addition, the presence of the chambers also improves the aesthetic appearance of the arch hiding at least partially the various fastening means implemented on the hoop.

L'arceau illustré présente une section constante et des chambres s'étendant sur toute sa longueur du fait du procédé d'extrusion utilisé. Toutefois, sa section pourrait varier, et l'arceau pourrait présenter uniquement quelques parties creuses, avec une seule ou plusieurs chambres, sans sortir du concept de l'invention, à partir du moment où ces parties creuses suffisent pour renforcer mécaniquement la structure d'ensemble de l'arceau et/ou de mettre en place les moyens de fixation esthétiques décrits précédemment.The illustrated arch has a constant section and chambers extending over its entire length due to the extrusion process used. However, its section could vary, and the arch could have only a few hollow parts, with one or more chambers, without departing from the concept of the invention, from the moment these hollow parts are sufficient to mechanically strengthen the structure of set of the hoop and / or set up the aesthetic fastening means described above.

La partie intermédiaire 12 de l'arceau, comprise entre les deux branches 11 pourrait présenter une autre forme qu'un arrondi. Par exemple, pour obtenir un effet technique d'augmentation de la rigidité de cette partie centrale intermédiaire, elle pourrait se présenter sous la forme de plusieurs lignes brisées, obtenues par exemple par plusieurs pliages d'un profilé.The intermediate portion 12 of the arch, between the two branches 11 may have a shape other than a rounded. For example, to obtain a technical effect of increasing the rigidity of this intermediate central portion, it could be in the form of several broken lines, obtained for example by several bends of a profile.

De plus, la structure creuse de l'arceau a été illustrée avec des chambres complètement fermées, à l'exception des ouvertures 13, 19 réalisées pour les fonctions de fixation. Toutefois, d'autres ouvertures peuvent être ajoutées, sur les parois intérieure 15 et/ou extérieure 16 et/ou supérieure et/ou inférieure de l'arceau, par exemple pour alléger l'arceau et diminuer la quantité de matériau utilisé, ou simplement pour former des décorations. Toutefois, la présence de zones comprenant au moins une chambre fermée présente l'avantage de permettre d'atteindre une bonne rigidité pour une faible quantité de matériau utilisé.In addition, the hollow structure of the arch has been illustrated with completely closed chambers, with the exception of the openings 13, 19 made for the fastening functions. However, other openings may be added on the inner and / or outer walls 16 and / or the upper and / or lower of the arch, for example to lighten the arch and reduce the amount of material used, or simply to form decorations. However, the presence of zones comprising at least one closed chamber has the advantage of making it possible to achieve good rigidity for a small amount of material used.

L'arceau peut se trouver dans différents matériaux rigides, en métal ou en plastique. Ces matériaux peuvent permettre d'offrir des possibilités nouvelles de décoration des arceaux. Ils pourront par exemple être en aluminium, décorés par un procédé d'anodisation, de sablage ou de tampographie. En variante, ils pourront comprendre des parties en matériaux plastiques transparents laissant apparaître par transparence des éléments de décoration positionnés dans une partie creuse interne ou sur sa face intérieure.The hoop can be in different rigid materials, metal or plastic. These materials can provide new opportunities for decorating arches. They may for example be aluminum, decorated by anodizing process, sanding or pad printing. As a variant, they may comprise parts made of transparent plastics material, revealing, by transparency, decorative elements positioned in an inner hollow portion or on its inner face.

Enfin, l'arceau est un élément distinct de l'embase, qui a été relié à l'embase par un dispositif de vis écrou réglable. Tout autre moyen de fixation pourrait être utilisé en variante, comme le positionnement de la tête de la vis dans une chambre de l'arceau et l'écrou à l'extérieur, ou tout autre moyen qu'un couple vis/écrou comme une solution à base de liaison à excentrique, actionnable sans outil.Finally, the hoop is a separate element of the base, which has been connected to the base by an adjustable screw nut device. Any other means of attachment could alternatively be used, such as the positioning of the screw head in a shaft chamber and the nut on the outside, or any other means that a screw / nut couple as a solution with eccentric connection, operable without tools.

Finalement, la solution selon l'invention permet de répondre aux objets de l'invention et de présenter les avantages suivants :

  • la position de l'arceau peut être réglable par rapport à l'embase et le dispositif de fixation de chaussure peut s'adapter au mieux à différentes pointures de chaussure;
  • l'arceau exige globalement moins de matière pour obtenir une rigidité mécanique au moins équivalente, ce qui permet ainsi un gain économique ;
  • l'arceau permet une amélioration de son aspect esthétique, au niveau de ses points de fixation comme pour sa forme globale.
Finally, the solution according to the invention makes it possible to respond to the objects of the invention and to have the following advantages:
  • the position of the arch can be adjustable relative to the base and the shoe attachment device can best adapt to different shoe sizes;
  • the hoop generally requires less material to obtain a mechanical rigidity at least equivalent, which allows an economic gain;
  • the hoop allows an improvement in its aesthetic appearance, at its attachment points as for its overall shape.

Claims (19)

  1. A rear hoop (3) for a snowboard boot binding, having an overall shape in the form of a U and comprising a central connecting part (12) arranged between two arms (11) suitable for forming a movable connection with a snowboard boot binding, the hoop (3) comprising at least one zone where it consists of an extruded hollow body.
  2. The rear hoop (3) as claimed in the preceding claim, comprising at least one zone with at least one chamber (14) on each arm (11).
  3. The rear hoop (3) as claimed in claim 1 or 2, wherein it has a hollow body structure over its entire length.
  4. The rear hoop (3) as claimed in the preceding claim, wherein it has several chambers which are substantially parallel.
  5. The rear hoop (3) as claimed in claims 2 to 4, comprising at least one zone with at least one closed chamber.
  6. The rear hoop (3) as claimed in claim 3 or 4, wherein it is made of metal or extruded plastic.
  7. The rear hoop (3) as claimed in one of the preceding claims, comprising at least one connecting means (24; 26) positioned within a chamber (14) and suitable for connecting the hoop to a part of a snowboard boot binding.
  8. The rear hoop (3) as claimed in the preceding claim, wherein the inner wall (15) of the hoop comprises an opening (13; 19) providing access to the connecting means (24; 26) intended to allow connection of the hoop to a part of a snowboard boot binding.
  9. The rear hoop (3) as claimed in the preceding claim, comprising at least one connecting means (24) for a part of the snowboard boot binding positioned within a chamber (14) of its structure in a movable manner within this chamber (14) so as to allow adjustment of the binding, and an aperture corresponding to this connecting means (24) in its inner wall (15).
  10. The rear hoop (3) as claimed in one of claims 7 to 9, wherein the chamber (14) comprising the connecting means (24) has a substantially trapezoidal cross-section in order to improve holding of this connecting part (24) within it.
  11. The rear hoop (3) as claimed in one of claims 7 to 10, comprising an insert (27) of the nut type having at least one seat (28; 29) for a connecting means (24; 26) positioned inside a chamber (14) of the hoop.
  12. The rear hoop (3) as claimed in one of claims 7 to 11, wherein the outer wall (16) of the hoop (3) conceals at least one connecting means (24; 26) inserted inside a chamber (14).
  13. The rear hoop (3) as claimed in one of the preceding claims, wherein the central connecting part (12) of the hoop has a curved rounded shape or a shape in the form of folded broken lines.
  14. A snowboard boot binding, comprising a hoop (3) as claimed in one of the preceding claims.
  15. The snowboard boot binding as claimed in the preceding claim, comprising a hoop (3) which is separate from a base (1, 2) of the device, is movable and can be fixed in an adjustable manner longitudinally in relation to the base.
  16. The snowboard boot binding as claimed in the preceding claim, wherein the hoop (3) is mounted movably longitudinally in a seat formed in each side part (2) of the binding, by a first connecting means (24) mounted movable within a chamber (14) of the hoop (3) and cooperating with a second connecting means (23) passing in succession through the inner wall of the side part (2) and the inner wall (15) of the hoop (3) which comprises a longitudinal aperture defining the travel for adjusting the position of the hoop (3).
  17. The snowboard, comprising a boot binding comprising a hoop (3) as claimed in one of Claims 1 to 13.
  18. A method for manufacturing a rear hoop (3) for a snowboard boot binding, comprising the following stages:
    - manufacturing a section comprising a hollow structure by means of extrusion;
    - cutting and forming the section.
  19. The method for manufacturing a rear hoop (3) as claimed in the preceding claim, comprising the following additional stages:
    - inserting at least one connecting means (24; 26) inside a chamber (14);
    - machining an opening (13; 19) corresponding to this at least one connecting means (24; 26) in the inner wall (15) of the hoop (3).
EP08159411A 2007-07-10 2008-07-01 Heel loop for a snowboard binding Active EP2014340B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0704973A FR2918573A1 (en) 2007-07-10 2007-07-10 REAR ARM FOR A SNOWBOARD FIXING DEVICE.

Publications (2)

Publication Number Publication Date
EP2014340A1 EP2014340A1 (en) 2009-01-14
EP2014340B1 true EP2014340B1 (en) 2010-01-06

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EP08159411A Active EP2014340B1 (en) 2007-07-10 2008-07-01 Heel loop for a snowboard binding

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US (1) US8960710B2 (en)
EP (1) EP2014340B1 (en)
AT (1) ATE454192T1 (en)
DE (1) DE602008000499D1 (en)
FR (1) FR2918573A1 (en)

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US9545560B2 (en) 2014-12-22 2017-01-17 Helos, Llc Heel locking binding system
US10086257B2 (en) * 2016-06-28 2018-10-02 Mad Jack Snow Sports Apparatus for adapting a snowboard boot for use with an alpine ski

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Also Published As

Publication number Publication date
US8960710B2 (en) 2015-02-24
US20090014984A1 (en) 2009-01-15
FR2918573A1 (en) 2009-01-16
ATE454192T1 (en) 2010-01-15
EP2014340A1 (en) 2009-01-14
DE602008000499D1 (en) 2010-02-25

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