EP1515623A1 - Boot with floating connection - Google Patents

Boot with floating connection

Info

Publication number
EP1515623A1
EP1515623A1 EP03748174A EP03748174A EP1515623A1 EP 1515623 A1 EP1515623 A1 EP 1515623A1 EP 03748174 A EP03748174 A EP 03748174A EP 03748174 A EP03748174 A EP 03748174A EP 1515623 A1 EP1515623 A1 EP 1515623A1
Authority
EP
European Patent Office
Prior art keywords
footwear according
rotation
axes
branches
user
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.)
Granted
Application number
EP03748174A
Other languages
German (de)
French (fr)
Other versions
EP1515623B1 (en
Inventor
Gérard VALAT
Cédric Ragot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Random Design
Original Assignee
Random Design
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 Random Design filed Critical Random Design
Publication of EP1515623A1 publication Critical patent/EP1515623A1/en
Application granted granted Critical
Publication of EP1515623B1 publication Critical patent/EP1515623B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/14—Shoes for cyclists
    • A43B5/145—Boots for motorcyclists

Definitions

  • the present invention relates to an article of footwear intended for the practice of a sport. It aims to protect the feet and legs of a user. It is particularly adapted to the practice of motorized sports and more particularly of the mountain bike where the feet and the legs of the user are very exposed. However, it can also be advantageous to practice the road bike, snowboard, mountain bike, jet ski or hiking in particular.
  • motocross boots with a leather upper on which are attached plastic reinforcements.
  • the reinforcements provide protection, while the leather provides the connection between the reinforcements while allowing flexibility.
  • Such boots are hardly satisfactory in that the protection is limited and the freedom of movement reduced.
  • WO-A-01 35781 a boot comprising:
  • a first rigid shell defining a body intended to receive the foot of a user and extending in a direction of elongation
  • a second rigid shell defining a rod intended to receive the leg of the user and extending substantially in a direction of elevation
  • the invention proposes that said articulation also allows a translation of the hinge axes relative to the body to bring the axes of rotation of the articulation substantially in accordance with the axes of rotation of the foot relative to the leg of the user.
  • the boot adapts to the morphology of the user, provides greater mobility and a feeling of greater flexibility by following more accurately the complexity of the movement of the ankle.
  • the articulation comprises at least one elastically deformable element tending to return the article of footwear to an initial position.
  • the user thus feels a progressive assistance in his movements and a very present feeling of assistance.
  • the articulation comprises two elastically deformable elements arranged symmetrically with respect to the direction of elevation and having different mechanical characteristics.
  • the characteristics of resistance to deformation can be adapted more precisely to the protection requirements of the user, particularly because of the imperfect symmetry of the ball joint connection between the foot and the leg.
  • each elastically deformable element comprises at least one flexible blade having a curved shape in the absence of external stress.
  • the bending work of the blade makes it possible to effectively control both the rotational and translational movements between the body and the rod.
  • each elastically deformable element comprises two flexible blades substantially V-shaped or U, so that each flexible blade comprises two branches comprising each a first end and a second end, the first ends of each flexible blade being interconnected and the second ends of each flexible blade being connected to one of the branches to the body and the other of the branches to the rod.
  • the article of footwear further comprises an elastically deformable material, different from that of the branches, extending between the branches of at least some of the flexible blades.
  • the deformation of the flexible blades is damped and easily adjustable by changing the characteristics of the elastically deformable material.
  • this prevents an undesirable element (pebbles, mud, sand, ...) comes to be inserted between the branches of the flexible blades and modifies the mechanical characteristics of the elastically deformable element.
  • the footwear further comprises stops to limit the amplitude of rotation in the median plane at a value between 50 degrees and 60 degrees.
  • the invention proposes that the footwear further comprises stops to limit the amplitude of rotation in the direction of elongation to a value between 25 degrees and 35 degrees.
  • said articulation allows a translation only in the direction of elevation.
  • the translation movement of the axes of articulation relative to the body even if it is of small amplitude, advantageously between 5 millimeters and 15 millimeters, still provides a feeling of freedom of movement while effectively retaining the user's ankle.
  • FIG. 2 illustrates the boot of FIG. 1 in bending position
  • FIG. 3 illustrates the boot of FIG. 1 in extended position
  • FIG. 4 is a view along the arrow marked IV in FIG. 1;
  • FIG. 5 is a sectional view along the arrow marked V-V in FIG. 1, in the rest position;
  • FIG. 6 is a view according to FIG. 5, in the pronation position of the boot,
  • Figure 7 is a view according to Figure 5, supine position of the boot.
  • the figures illustrate a boot 1 comprising in the lower part a body 2 intended to receive the foot of a user, in the upper part a rod 4 intended to receive the leg of a user and in the intermediate part a hinge device 6 connecting the Rod 4 to the body 2.
  • the body 2 and the rod 4 each comprise a relatively rigid shell for protecting the lower limbs of the user. These shells can be locally perforated. They are lined internally for the comfort of the user and possibly externally.
  • the body extends in a substantially horizontal direction of elongation 8 when the user places his foot on a horizontal ground, while the rod extends in a substantially vertical direction of elevation.
  • boot has an inner face la and an outer face lb disposed on either side of the median plane P.
  • the boot 1 also has a transverse direction 12 extending substantially perpendicular to the direction of elongation 8 and to the elevation direction 10.
  • the hinge device comprises two structures 14, 14 'with an elastically deformable geometry arranged substantially symmetrically with respect to the plane P, one on the inner face 1 and the other on the outer face 1b.
  • Each structure 14, 14 ' mainly comprises a front flexible blade 16 and a rear flexible blade 18 (the flexible blades of the structure 14' are not visible in the figures) each substantially curved V-shaped or U-shaped.
  • flexible blade comprises an upper branch 16a, 18a and a lower branch 16b, 18b.
  • Each branch 16a, 16b, 18a, 18b extends between a first end respectively l ⁇ a, 16b ⁇ , 18a ⁇ , l ⁇ bî and a second end respectively 16a 2 , 16b 2 , 18a 2 , 18b2.
  • the first ends 16a ⁇ , 16b ⁇ of the branches of the front flexible blade 16 are interconnected in a front apex area 20 allowing rotation between the upper branches 16a and lower 16b.
  • the first ends 18a lr 18b], the branches of the flexible rear blade 18 are joined together in a rear apex zone 22 allowing the rotation between the upper branches 18a and lower 18b.
  • the second ends 16b 2 , 18b 2 of the lower branches are fixed to the body 2, while the second ends 16a2, 18a2 of the upper branches are fixed to the rod 4.
  • the flexible front 16 and rear 18 blades having rather the shape of an open V, as illustrated, when the apex zones 20, 22 are very localized or rather the shape of an open U when these areas 20, 22 are relatively extended. They are advantageously arranged in opposition, in other words symmetrically with respect to the elevation direction 10. Here, they are open towards each other, so that each structure 14 has substantially a form of deformable parallelogram. Alternatively, they could be arranged back to back, so that each structure 14 has a substantially deformable shape.
  • the hinge device 6 further comprises two pivots 24, 26 extending substantially in the transverse direction between the flexible front blades 16 and rear 18. They are fixed to the body 2 and each slide in a groove 28, 30 formed in the rod 4.
  • the grooves 28, 30 are each oblong in shape extending substantially in the direction of elevation between an upper end 28a, 30a and a lower end 28, 30b preferably spaced about 10 millimeters.
  • the pivots 24, 26 control the deformation of the structures 14, 14 'and can move in the direction of elevation, so that the structures 14, 14' of variable geometry thus define a floating hinge device positioned substantially at height of the malleolus on both sides of the ankle of a user.
  • the hinge device 6 deforms inversely during an extension movement, the flexible blades before 16 deviating and the rear flexible blades 18 coming closer together.
  • the upper branches 16a, 18a pivot relative to the rod 4, by elastic deformation near their second end 16a2, 18a 2 , as well as the lower branches 16b, 18b pivot relative to the body 2, by elastic deformation near their second end 16b2, 18b2.
  • the pivots 24, 26 being able to slide in the grooves 28, 30, in the extreme bending position, the rod 4 abuts the front on the body 2 and the pivots 24, 26 come close to the upper end 28a, 30a grooves 28, 30 to follow the movement of the malleolus of the user. If the bending movement continues, the pivots 24, 26 tend to slide in the grooves 28, 30 towards their lower end.
  • the boot 1 further comprises a rear stop device 32.
  • this rear stop device 32 for limiting the bending movement comprises a nipple with a bulging head 34 integral with the body 2 and sliding in an oblong groove 40 formed in the rod 4.
  • the positions extremes of the swollen nipple 34 corresponding to the maximum flexion and extension are shown in phantom in Figure 4.
  • the amplitude ai of the bending movement allowed by the hinge device 6 is about 25 degrees from the initial position shown in Figure 1.
  • the rod 4 In the extreme extended position, the rod 4 abuts at the rear on the body 2 and the pivots 24, 26 abut at the lower end 28b, 30b of the grooves 28, 30.
  • the amplitude ⁇ 2 of the extension movement authorized by the articulation device 6 is approximately 30 degrees with respect to the initial position shown in FIG.
  • the structures 14, 14 'furthermore allow, by their parallelogram geometry, a lateral deformation in a direction substantially parallel to the elongation direction 8, in order to accompany the user's foot in his movements of pronation, supination and his movements. torsion handsets.
  • the upper branches 16a, 18a approach by deformation of the front and rear apex zones 22 of the lower branches 16b, 18b.
  • the pivot 24 approaches the upper end 28a of the groove 28.
  • the upper branches depart from the lower branches by deformation of the front and rear apex zones.
  • the pivot 26 approaches the lower end 26b of the groove 26.
  • the pivot 24 abuts on the upper end 28a of the groove 28 and the pivot 26 comes into abutment on the lower end 26b of the groove 26.
  • the amplitude of the pronation movement ⁇ ⁇ allowed by the hinge device 6 relative to the initial position shown in Figure 5 is about 15 degrees.
  • the upper branches 16a, 18a move away from the lower branches 16b, 18b by deformation of the apex zones before 20 and rear 22.
  • the pivot 24 is closer to the lower end 28b of the groove 28.
  • the upper branches are closer to the lower branches by deformation of the front and rear apex areas.
  • the pivot 26 approaches the upper end 26a of the groove 26. In the extreme supine position of the boot, the pivot 24 abuts on the lower end 28b of the groove 28 and the pivot 26 abuts the upper end 26a of the groove 26.
  • the amplitude of the supination movement ⁇ 2 allowed by the hinge device 6 relative to the initial position shown in Figure 5 is about 15 degrees.
  • the hinge device 6 further comprises a damping material 36, elastically deformable which is different from that constituting the flexible blades 16, 18. This damping material 36 is disposed between the flexible blades 16, 18 and fills the space between the branches 16a, 16b; 18a, 18b flexible blades.
  • the damping material 36 is stretched or compressed. Thus, it exerts an increasing resistant force to avoid or at least reduce the impact when the hinge device reaches the stop.
  • the damping material 36 adjoins the structure
  • structures 14, 14 ' may have different mechanical characteristics, as indicated above.
  • the material of structures 14, 14 'with an elastically deformable geometry advantageously consists of technical polymers such as polyamides or polyurethanes.
  • the damping material advantageously has lower mechanical strength characteristics. It may in particular be constituted by polyurethane foam.
  • the structures 14, 14 ' are obtained in one piece with the rod, as well as an intermediate portion 38 connected to the second end 16b2, 18b 2 of the lower branches 16b, 18b. This intermediate portion 38 is then firmly fixed to the body 2.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Sealing Devices (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Container Filling Or Packaging Operations (AREA)
  • Bridges Or Land Bridges (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)

Abstract

An item of footwear is intended for sports practice and is used to protect the feet and legs of a user. The footwear includes: a first rigid shell defining a body ( 2 ) which is designed to receive the foot of the user and which extends in a horizontal direction ( 8 ); a second rigid shell defining a shaft ( 4 ) which is designed to receive the leg of the user and which extends essentially along a vertical axis ( 10 ); and a connection ( 6 ) which joins the body and the shaft and which is used to rotate the shaft in relation to the body along two essentially-perpendicular rotation axes ( 8, 12 ) and to move the axes of the connections in relation to the body, such that the axes of rotation of the aforementioned connection essentially coincide with the axes of rotation of the foot in relation to the leg of the user.

Description

BOTTE A ARTICULATION FLOTTANTE La présente invention a pour objet un article chaussant destiné à la pratique d'un sport. Il vise à protéger les pieds et les jambes d'un utilisateur. Il est particulièrement adapté à la pratique de sports motorisés et plus particulièrement de la moto tout terrain où les pieds et les jambes de l'utilisateur sont très exposés. Toutefois, il peut également s'avérer avantageux pour pratiquer la moto de route, le snowboard, le vélo tout terrain, le jet ski ou la randonnée notamment. The present invention relates to an article of footwear intended for the practice of a sport. It aims to protect the feet and legs of a user. It is particularly adapted to the practice of motorized sports and more particularly of the mountain bike where the feet and the legs of the user are very exposed. However, it can also be advantageous to practice the road bike, snowboard, mountain bike, jet ski or hiking in particular.
On connaît déjà des bottes de motocross présentant une tige en cuir sur laquelle sont fixés des renforts en plastique. Les renforts assurent la protection, tandis que le cuir assure la liaison entre les renforts tout en autorisant une certaine souplesse. De telles bottes ne sont guère satisfaisantes en ce que la protection est limitée et la liberté de mouvement réduite. D'autre part, il est divulgué dans WO-A-01 35781 une botte comprenant :We already know motocross boots with a leather upper on which are attached plastic reinforcements. The reinforcements provide protection, while the leather provides the connection between the reinforcements while allowing flexibility. Such boots are hardly satisfactory in that the protection is limited and the freedom of movement reduced. On the other hand, it is disclosed in WO-A-01 35781 a boot comprising:
- une première coque rigide définissant un corps destiné à recevoir le pied d'un utilisateur et s'étendant suivant une direction d'allongement,a first rigid shell defining a body intended to receive the foot of a user and extending in a direction of elongation,
- une deuxième coque rigide définissant une tige destinée à recevoir la jambe de l'utilisateur et s'étendant sensiblement suivant une direction d'élévation, eta second rigid shell defining a rod intended to receive the leg of the user and extending substantially in a direction of elevation, and
- une articulation reliant le corps et la tige, ladite articulation autorisant la rotation de la tige par rapport au corps suivant deux axes de rotation sensiblement perpendiculaires entre eux.- An articulation connecting the body and the rod, said articulation allowing the rotation of the rod relative to the body along two axes of rotation substantially perpendicular to each other.
Toutefois, si cette botte d'une grande résistance mécanique assure une protection satisfaisante de l'utilisateur et une grande rigueur dans le guidage des mouvements du fait de sa conception à calottes sphériques, en contrepartie elle engendre à l'usage un confort moyen.However, if this boot of high mechanical strength provides satisfactory protection of the user and great rigor in the movement guidance due to its spherical cap design, in return it generates the use of a medium comfort.
Pour remédier à cet inconvénient et simplifier la réalisation de la botte, sans réduire la protection de l'utilisateur, l'invention propose que ladite articulation autorise en outre une translation des axes d'articulation par rapport au corps pour amener les axes de rotation de l'articulation sensiblement en concordance avec les axes de rotation du pied par rapport à la jambe de l'utilisateur. Ainsi, la botte s'adapte à la morphologie de l'utilisateur, procure une plus grande mobilité et une sensation de plus grande souplesse en suivant plus fidèlement la complexité du mouvement de la cheville.To overcome this disadvantage and simplify the construction of the boot, without reducing the protection of the user, the invention proposes that said articulation also allows a translation of the hinge axes relative to the body to bring the axes of rotation of the articulation substantially in accordance with the axes of rotation of the foot relative to the leg of the user. Thus, the boot adapts to the morphology of the user, provides greater mobility and a feeling of greater flexibility by following more accurately the complexity of the movement of the ankle.
Avantageusement l'articulation comprend au moins un élément élastiquement déformable tendant à ramener l'article chaussant dans une position initiale.Advantageously, the articulation comprises at least one elastically deformable element tending to return the article of footwear to an initial position.
L'utilisateur ressent ainsi une assistance progressive dans ses mouvements et une sensation très présente d'assistance.The user thus feels a progressive assistance in his movements and a very present feeling of assistance.
Selon une autre caractéristique avantageuse de l'invention, l'articulation comprend deux éléments élastiquement déformables disposés symétriquement par rapport à la direction d'élévation et présentant des caractéristiques mécaniques différentes.According to another advantageous characteristic of the invention, the articulation comprises two elastically deformable elements arranged symmetrically with respect to the direction of elevation and having different mechanical characteristics.
Ainsi, les caractéristiques de résistance à la déformation peuvent être adaptées plus précisément aux exigences de protection de l'utilisateur, du fait notamment de la symétrie imparfaite de la liaison rotule entre le pied et la jambe.Thus, the characteristics of resistance to deformation can be adapted more precisely to the protection requirements of the user, particularly because of the imperfect symmetry of the ball joint connection between the foot and the leg.
Avantageusement, chaque élément élastiquement déformable comprend au moins une lame flexible présentant une forme incurvée en l'absence de contrainte extérieure. Le travail en flexion de la lame permet de contrôler efficacement à la fois les mouvements de rotation et de translation entre le corps et la tige.Advantageously, each elastically deformable element comprises at least one flexible blade having a curved shape in the absence of external stress. The bending work of the blade makes it possible to effectively control both the rotational and translational movements between the body and the rod.
Une articulation simple et robuste présentant les caractéristiques précitées consiste en ce que chaque élément élastiquement déformable comprenne deux lames flexibles sensiblement en forme de V ou de U, de sorte que chaque lame flexible comprenne deux branches comportant chacune une première extrémité et une deuxième extrémité, les premières extrémités de chaque lame flexible étant reliées entre elles et les deuxièmes extrémités de chaque lame flexible étant reliées pour l'une des branches au corps et pour l'autre des branches à la tige. Selon une caractéristique avantageuse complémentaire, l'article chaussant comprend en outre un matériau élastiquement déformable, différent de celui des branches, s'étendant entre les branches de certaines au moins des lames flexibles.A simple and robust articulation having the aforementioned characteristics consists in that each elastically deformable element comprises two flexible blades substantially V-shaped or U, so that each flexible blade comprises two branches comprising each a first end and a second end, the first ends of each flexible blade being interconnected and the second ends of each flexible blade being connected to one of the branches to the body and the other of the branches to the rod. According to a complementary advantageous characteristic, the article of footwear further comprises an elastically deformable material, different from that of the branches, extending between the branches of at least some of the flexible blades.
Ainsi, la déformation des lames flexibles est amortie et facilement ajustable en modifiant les caractéristiques du matériau élastiquement déformable. En outre, ceci évite qu'un élément indésirable (cailloux, boue, sable,...) vienne s'insérer entre les branches des lames flexibles et modifie les caractéristiques mécaniques de l'élément élastiquement déformable.Thus, the deformation of the flexible blades is damped and easily adjustable by changing the characteristics of the elastically deformable material. In addition, this prevents an undesirable element (pebbles, mud, sand, ...) comes to be inserted between the branches of the flexible blades and modifies the mechanical characteristics of the elastically deformable element.
Afin de renforcer la protection de l'utilisateur, conformément à une autre caractéristique avantageuse, la direction d'élévation et la direction d'allongement définissant un plan médian, l'article chaussant comprend en outre des butées pour limiter l'amplitude de rotation dans le plan médian à une valeur comprise entre 50 degrés et 60 degrés.In order to reinforce the protection of the user, according to another advantageous characteristic, the elevation direction and the elongation direction defining a median plane, the footwear further comprises stops to limit the amplitude of rotation in the median plane at a value between 50 degrees and 60 degrees.
Ceci permet d'éviter des traumatismes ou lésions tout en autorisant une grande liberté de mouvement.This avoids trauma or injury while allowing great freedom of movement.
Selon une caractéristique complémentaire, l'invention propose que l'article chaussant comprenne en outre des butées pour limiter l'amplitude de rotation suivant la direction d'allongement à une valeur comprise entre 25 degrés et 35 degrés. En outre, conformément à une autre caractéristique avantageuse de l'invention, ladite articulation autorise une translation uniquement suivant la direction d'élévation.According to a complementary feature, the invention proposes that the footwear further comprises stops to limit the amplitude of rotation in the direction of elongation to a value between 25 degrees and 35 degrees. In addition, according to another advantageous characteristic of the invention, said articulation allows a translation only in the direction of elevation.
Le mouvement de translation des axes d'articulations par rapport au corps, même s'il est de faible amplitude, avantageusement entre 5 millimètres et 15 millimètres, procure malgré tout une sensation de liberté de mouvement tout retenant efficacement la cheville de l'utilisateur.The translation movement of the axes of articulation relative to the body, even if it is of small amplitude, advantageously between 5 millimeters and 15 millimeters, still provides a feeling of freedom of movement while effectively retaining the user's ankle.
L'invention va apparaître encore plus clairement dans la description qui va suivre, faite en référence aux dessins annexés dans lesquels : - La figure 1 illustre une botte de moto conforme à l'invention en position repos,The invention will appear even more clearly in the description which follows, made with reference to the accompanying drawings in which: - Figure 1 illustrates a motorcycle boot according to the invention in the rest position,
- la figure 2 illustre la botte de la figure 1 en position de flexion,FIG. 2 illustrates the boot of FIG. 1 in bending position,
- la figure 3 illustre la botte de la figure 1 en position d'extension,FIG. 3 illustrates the boot of FIG. 1 in extended position,
- la figure 4 est une vue suivant la flèche repérée IV à la figure 1, - la figure 5 est une vue en coupe suivant la flèche repérée V-V à la figure 1, en position repos,FIG. 4 is a view along the arrow marked IV in FIG. 1; FIG. 5 is a sectional view along the arrow marked V-V in FIG. 1, in the rest position;
- la figure 6 est une vue conformément à la figure 5, en position de pronation de la botte,FIG. 6 is a view according to FIG. 5, in the pronation position of the boot,
- la figure 7 est une vue conformément à la figure 5, en position de supination de la botte.- Figure 7 is a view according to Figure 5, supine position of the boot.
Les figures illustrent une botte 1 comprenant en partie inférieure un corps 2 destiné à recevoir le pied d'un utilisateur, en partie supérieure une tige 4 destinée à recevoir la jambe d'un utilisateur et en partie intermédiaire un dispositif d'articulation 6 reliant la tige 4 au corps 2. Le corps 2 et la tige 4 comprennent chacun une coque relativement rigide destinée à protéger les membres inférieurs de l'utilisateur. Ces coques peuvent être localement ajourées. Elles sont doublées intérieurement pour le confort de l'utilisateur et éventuellement extérieurement. Le corps s'étend suivant une direction d'allongement 8 sensiblement horizontale lorsque l'utilisateur pose le pied sur un sol horizontal, tandis que la tige s'étend suivant une direction d'élévation 10 sensiblement verticale.The figures illustrate a boot 1 comprising in the lower part a body 2 intended to receive the foot of a user, in the upper part a rod 4 intended to receive the leg of a user and in the intermediate part a hinge device 6 connecting the Rod 4 to the body 2. The body 2 and the rod 4 each comprise a relatively rigid shell for protecting the lower limbs of the user. These shells can be locally perforated. They are lined internally for the comfort of the user and possibly externally. The body extends in a substantially horizontal direction of elongation 8 when the user places his foot on a horizontal ground, while the rod extends in a substantially vertical direction of elevation.
La direction d'allongement 8 et la direction d'élévation 10 définissent un plan médian P parallèle au plan de représentation des figures 1 à 3. La botte présente une face interne la et une face externe lb disposées de part et d'autre du plan médian P.The direction of elongation 8 and the direction of elevation 10 define a median plane P parallel to the plane of representation of FIGS. 1 to 3. boot has an inner face la and an outer face lb disposed on either side of the median plane P.
La botte 1 présente en outre une direction transversale 12 s'étendant sensiblement perpendiculairement à la direction d'allongement 8 et à la direction d'élévation 10.The boot 1 also has a transverse direction 12 extending substantially perpendicular to the direction of elongation 8 and to the elevation direction 10.
Le dispositif d'articulation comprend deux structures 14, 14' à géométrie élastiquement déformable disposées sensiblement symétriquement par rapport au plan P, l'une sur la face interne la et l'autre sur la face externe lb. Chaque structure 14, 14' comprend principalement une lame flexible avant 16 et une lame flexible arrière 18 (les lames flexibles de la structure 14' ne sont pas visibles sur les figures) chacune incurvée sensiblement en forme de nervure en V ou en U. Chaque lame flexible comprend une branche supérieure 16a, 18a et une branche inférieure 16b, 18b. Chaque branche 16a, 16b, 18a, 18b s'étend entre une première extrémité respectivement lόaî, 16bι, 18aι, lδbî et une deuxième extrémité respectivement 16a2, 16b2, 18a2, 18b2.The hinge device comprises two structures 14, 14 'with an elastically deformable geometry arranged substantially symmetrically with respect to the plane P, one on the inner face 1 and the other on the outer face 1b. Each structure 14, 14 'mainly comprises a front flexible blade 16 and a rear flexible blade 18 (the flexible blades of the structure 14' are not visible in the figures) each substantially curved V-shaped or U-shaped. flexible blade comprises an upper branch 16a, 18a and a lower branch 16b, 18b. Each branch 16a, 16b, 18a, 18b extends between a first end respectively lόa, 16bι, 18aι, lδbî and a second end respectively 16a 2 , 16b 2 , 18a 2 , 18b2.
Les premières extrémités 16aι, 16bι des branches de la lame flexible avant 16 sont reliées entre elles dans une zone d'apex avant 20 permettant la rotation entre les branches supérieure 16a et inférieure 16b. Les premières extrémités 18alr 18b], des branches de la lame flexible arrière 18 sont reliées entre elles dans une zone d'apex arrière 22 permettant la rotation entre les branches supérieure 18a et inférieure 18b.The first ends 16aι, 16bι of the branches of the front flexible blade 16 are interconnected in a front apex area 20 allowing rotation between the upper branches 16a and lower 16b. The first ends 18a lr 18b], the branches of the flexible rear blade 18 are joined together in a rear apex zone 22 allowing the rotation between the upper branches 18a and lower 18b.
Les deuxièmes extrémités 16b2, 18b2 des branches inférieures sont fixées au corps 2, tandis que les deuxièmes extrémités 16a2, 18a2 des branches supérieures sont fixées à la tige 4.The second ends 16b 2 , 18b 2 of the lower branches are fixed to the body 2, while the second ends 16a2, 18a2 of the upper branches are fixed to the rod 4.
Les lame flexibles avant 16 et arrière 18 présentant plutôt la forme d'un V ouvert, comme illustré, lorsque les zones d'apex 20, 22 sont très localisées ou plutôt la forme d'un U ouvert lorsque ces zones 20, 22 sont relativement étendues. Elles sont avantageusement disposées en opposition, autrement dit symétriquement par rapport à la direction d'élévation 10. Ici, elles sont ouvertes l'une vers l'autre, de sorte que chaque structure 14 présente sensiblement une forme de parallélogramme déformable. En alternative, elles pourraient disposées dos à dos, de sorte que chaque structure 14 présente sensiblement une forme de >< déformable.The flexible front 16 and rear 18 blades having rather the shape of an open V, as illustrated, when the apex zones 20, 22 are very localized or rather the shape of an open U when these areas 20, 22 are relatively extended. They are advantageously arranged in opposition, in other words symmetrically with respect to the elevation direction 10. Here, they are open towards each other, so that each structure 14 has substantially a form of deformable parallelogram. Alternatively, they could be arranged back to back, so that each structure 14 has a substantially deformable shape.
Elles présentent un module de flexion fonction du sport pratiqué et de la résistance physique de l'utilisateur.They present a flexural module according to the practiced sport and the physical resistance of the user.
Le dispositif d'articulation 6 comprend en outre deux pivots 24, 26 s'étendant sensiblement suivant la direction transversale entre les lames flexibles avant 16 et arrière 18. Ils sont fixés au corps 2 et coulissent chacun dans une rainure 28, 30 ménagée dans la tige 4. Les rainures 28, 30 sont chacune de forme oblongue s'étendant sensiblement suivant la direction d'élévation 10 entre une extrémité supérieure 28a, 30a et une extrémité inférieure 28, 30b distante avantageusement d'environ 10 millimètres.The hinge device 6 further comprises two pivots 24, 26 extending substantially in the transverse direction between the flexible front blades 16 and rear 18. They are fixed to the body 2 and each slide in a groove 28, 30 formed in the rod 4. The grooves 28, 30 are each oblong in shape extending substantially in the direction of elevation between an upper end 28a, 30a and a lower end 28, 30b preferably spaced about 10 millimeters.
Ainsi, les pivots 24, 26 contrôlent la déformation des structures 14, 14' et peuvent se déplacer suivant la direction d'élévation, de sorte que les structures 14, 14' à géométrie variable définissent ainsi un dispositif d'articulation flottant positionné sensiblement à hauteur de la malléole de part et d'autre de la cheville d'un utilisateur.Thus, the pivots 24, 26 control the deformation of the structures 14, 14 'and can move in the direction of elevation, so that the structures 14, 14' of variable geometry thus define a floating hinge device positioned substantially at height of the malleolus on both sides of the ankle of a user.
Tel qu'illustré aux figures 1 et 2, lors d'un mouvement de flexion de la cheville d'un utilisateur autour de la direction transversale 12, la tige 4 pivote autour des pivots 24, 26, les branches 16a, 16b des lames flexibles avant 16 se rapprochent par déformation des zones d'apex avant 20, tandis que les branches 18a, 18b des lames flexibles arrières 18 s'écartent par déformation des zones d'apex arrière 22.As illustrated in Figures 1 and 2, during a bending movement of the user's ankle around the transverse direction 12, the rod 4 pivots around the pivots 24, 26, the branches 16a, 16b of the flexible blades before 16 are brought closer by deformation of the apex zones before 20, while the branches 18a, 18b of the rear flexible blades 18 deviate by deformation of the rear apex zones 22.
Tel qu'illustré aux figures 1 et 3, le dispositif d'articulation 6 se déforme inversement lors d'un mouvement d'extension, les lames flexibles avant 16 s'écartant et les lames flexibles arrières 18 se rapprochant. De plus, lors de ces mouvements de flexion et d'extension, les branches supérieures 16a, 18a pivotent par rapport à la tige 4, par déformation élastique à proximité de leur deuxième extrémité 16a2, 18a2, de même que les branches inférieures 16b, 18b pivotent par rapport au corps 2, par déformation élastique à proximité de leur deuxième extrémité 16b2, 18b2. Les pivots 24, 26 pouvant coulisser dans les rainures 28, 30, en position de flexion extrême, la tige 4 vient en butée à l'avant sur le corps 2 et les pivots 24, 26 viennent à proximité de l'extrémité supérieure 28a, 30a des rainures 28, 30 pour suivre le mouvement de la malléole de l'utilisateur. Si l'on poursuivait le mouvement de flexion, les pivots 24, 26 tendraient à coulisser dans les rainures 28, 30 vers leur extrémité inférieure. Un tel mouvement risquant d'être dommageable pour l'utilisateur, la botte 1 comprend en outre un dispositif de butée arrière 32.As illustrated in Figures 1 and 3, the hinge device 6 deforms inversely during an extension movement, the flexible blades before 16 deviating and the rear flexible blades 18 coming closer together. In addition, during these flexion and extension movements, the upper branches 16a, 18a pivot relative to the rod 4, by elastic deformation near their second end 16a2, 18a 2 , as well as the lower branches 16b, 18b pivot relative to the body 2, by elastic deformation near their second end 16b2, 18b2. The pivots 24, 26 being able to slide in the grooves 28, 30, in the extreme bending position, the rod 4 abuts the front on the body 2 and the pivots 24, 26 come close to the upper end 28a, 30a grooves 28, 30 to follow the movement of the malleolus of the user. If the bending movement continues, the pivots 24, 26 tend to slide in the grooves 28, 30 towards their lower end. Such a movement may be harmful to the user, the boot 1 further comprises a rear stop device 32.
Tel qu'illustré à la figure 4, ce dispositif de butée arrière 32 visant à limiter le mouvement de flexion comprend un téton à tête renflée 34 solidaire du corps 2 et coulissant dans une rainure 40 de forme oblongue ménagée dans la tige 4. Les positions extrêmes du téton à tête renflée 34 correspondant à la flexion et l'extension maximales sont représentées en trait mixte à la figure 4. Tel que repéré à la figure 2, l'amplitude ai du mouvement de flexion autorisé par le dispositif d'articulation 6 est d'environ 25 degrés par rapport à la position initiale représentée à la figure 1.As illustrated in FIG. 4, this rear stop device 32 for limiting the bending movement comprises a nipple with a bulging head 34 integral with the body 2 and sliding in an oblong groove 40 formed in the rod 4. The positions extremes of the swollen nipple 34 corresponding to the maximum flexion and extension are shown in phantom in Figure 4. As shown in Figure 2, the amplitude ai of the bending movement allowed by the hinge device 6 is about 25 degrees from the initial position shown in Figure 1.
En position d'extension extrême, la tige 4 vient en butée à l'arrière sur le corps 2 et les pivots 24, 26 viennent en butée à l'extrémité inférieure 28b, 30b des rainures 28, 30.In the extreme extended position, the rod 4 abuts at the rear on the body 2 and the pivots 24, 26 abut at the lower end 28b, 30b of the grooves 28, 30.
Tel que repéré à la figure 3, l'amplitude oc2 du mouvement d'extension autorisé par le dispositif d'articulation 6 est d'environ 30 degrés par rapport à la position initiale représentée à la figure 1. Les structures 14, 14' permettent en outre par leur géométrie en parallélogramme une déformation latérale suivant une direction sensiblement parallèle à la direction d'allongement 8, afin d'accompagner le pied de l'utilisateur dans ses mouvements de pronation, supination et ses mouvements combinés de torsion.As indicated in FIG. 3, the amplitude α 2 of the extension movement authorized by the articulation device 6 is approximately 30 degrees with respect to the initial position shown in FIG. The structures 14, 14 'furthermore allow, by their parallelogram geometry, a lateral deformation in a direction substantially parallel to the elongation direction 8, in order to accompany the user's foot in his movements of pronation, supination and his movements. torsion handsets.
Tel qu'illustré aux figures 5 et 6, lors d'un mouvement de pronation de la cheville d'un utilisateur, les branches supérieures 16a, 18a se rapprochent par déformation des zones d'apex avant 20 et arrière 22 des branches inférieures 16b, 18b. En outre, le pivot 24 se rapproche de rextrémité supérieure 28a de la rainure 28.As illustrated in FIGS. 5 and 6, during a pronation movement of a user's ankle, the upper branches 16a, 18a approach by deformation of the front and rear apex zones 22 of the lower branches 16b, 18b. In addition, the pivot 24 approaches the upper end 28a of the groove 28.
Inversement, concernant la structure 14', les branches supérieures s'écartent des branches inférieures par déformation des zones d'apex avant et arrière. En outre, le pivot 26 se rapproche de l'extrémité inférieure 26b de la rainure 26. En position de pronation extrême de la botte, le pivot 24 vient en butée sur l'extrémité supérieure 28a de la rainure 28 et le pivot 26 vient en butée sur l'extrémité inférieure 26b de la rainure 26. L'amplitude du mouvement de pronation θ\ autorisé par le dispositif d'articulation 6 par rapport à la position initiale représentée à la figure 5 est d'environ 15 degrés. Tel qu'illustré aux figures 5 et 7, inversement lors d'un mouvement de supination de la cheville d'un utilisateur, les branches supérieures 16a, 18a s'écartent des branches inférieures 16b, 18b par déformation des zones d'apex avant 20 et arrière 22. En outre, le pivot 24 se rapproche de l'extrémité inférieure 28b de la rainure 28. Et, concernant la structure 14', les branches supérieures se rapprochent des branches inférieures par déformation des zones d'apex avant et arrière. En outre, le pivot 26 se rapproche de l'extrémité supérieure 26a de la rainure 26. En position de supination extrême de la botte, le pivot 24 vient en butée sur l'extrémité inférieure 28b de la rainure 28 et le pivot 26 vient en butée sur l'extrémité supérieure 26a de la rainure 26. L'amplitude du mouvement de supination θ2 autorisé par le dispositif d'articulation 6 par rapport à la position initiale représentée à la figure 5 est d'environ 15 degrés. Le dispositif d'articulation 6 comprend en outre un matériau amortissant 36, élastiquement déformable qui est différent de celui constituant les lames flexibles 16, 18. Ce matériau amortissant 36 est disposé entre les lames flexibles 16, 18 et remplit l'espace séparant les branches 16a, 16b ; 18a, 18b des lames flexibles.Conversely, concerning the structure 14 ', the upper branches depart from the lower branches by deformation of the front and rear apex zones. In addition, the pivot 26 approaches the lower end 26b of the groove 26. In extreme pronation position of the boot, the pivot 24 abuts on the upper end 28a of the groove 28 and the pivot 26 comes into abutment on the lower end 26b of the groove 26. The amplitude of the pronation movement θ \ allowed by the hinge device 6 relative to the initial position shown in Figure 5 is about 15 degrees. As illustrated in FIGS. 5 and 7, conversely during a supination movement of the user's ankle, the upper branches 16a, 18a move away from the lower branches 16b, 18b by deformation of the apex zones before 20 and rear 22. In addition, the pivot 24 is closer to the lower end 28b of the groove 28. And, regarding the structure 14 ', the upper branches are closer to the lower branches by deformation of the front and rear apex areas. In addition, the pivot 26 approaches the upper end 26a of the groove 26. In the extreme supine position of the boot, the pivot 24 abuts on the lower end 28b of the groove 28 and the pivot 26 abuts the upper end 26a of the groove 26. The amplitude of the supination movement θ 2 allowed by the hinge device 6 relative to the initial position shown in Figure 5 is about 15 degrees. The hinge device 6 further comprises a damping material 36, elastically deformable which is different from that constituting the flexible blades 16, 18. This damping material 36 is disposed between the flexible blades 16, 18 and fills the space between the branches 16a, 16b; 18a, 18b flexible blades.
Lors de la déformation des structures 14, 14' par rapport à la position initiale, le matériau amortissant 36 est étiré ou compressé. Ainsi, il exerce un effort résistant croissant permettant d'éviter ou du moins de réduire le choc lorsque le dispositif d'articulation arrive en butée. Avantageusement, le matériau amortissant 36 adjoint à la structureDuring the deformation of the structures 14, 14 'with respect to the initial position, the damping material 36 is stretched or compressed. Thus, it exerts an increasing resistant force to avoid or at least reduce the impact when the hinge device reaches the stop. Advantageously, the damping material 36 adjoins the structure
14, autrement dit disposé sur la face interne la, et celui adjoint à la structure 14', autrement dit disposé sur la face externe lb, sont différents, afin d'obtenir un comportement asymétrique du dispositif d'articulation 6. De même, les structures 14, 14' peuvent présenter des caractéristiques mécaniques différentes, tel qu'indiqué précédemment.14, in other words disposed on the internal face la, and that associated with the structure 14 ', in other words arranged on the external face 1b, are different, in order to obtain an asymmetrical behavior of the articulation device 6. structures 14, 14 'may have different mechanical characteristics, as indicated above.
Le matériau des structures 14, 14' à géométrie élastiquement déformable est avantageusement constitué de polymères techniques tels que les polyamides ou polyuréthanes. Le matériau amortissant présente avantageusement des caractéristiques de résistance mécanique plus faibles. Il peut notamment être constitué par de la mousse de polyuréthanne.The material of structures 14, 14 'with an elastically deformable geometry advantageously consists of technical polymers such as polyamides or polyurethanes. The damping material advantageously has lower mechanical strength characteristics. It may in particular be constituted by polyurethane foam.
Tel qu'illustré, les structures 14, 14' sont obtenues de moulage en une seule pièce avec la tige, de même qu'une partie intermédiaire 38 liée à la deuxième extrémité 16b2, 18b2 des branches inférieures 16b, 18b. Cette partie intermédiaire 38 est ensuite solidement fixée au corps 2. As illustrated, the structures 14, 14 'are obtained in one piece with the rod, as well as an intermediate portion 38 connected to the second end 16b2, 18b 2 of the lower branches 16b, 18b. This intermediate portion 38 is then firmly fixed to the body 2.

Claims

Revendications Claims
1. Article chaussant (1), destiné à la pratique d'un sport en particulier la moto, comprenant :1. Footwear (1), intended for the practice of a sport, in particular motorcycling, comprising:
- une première coque rigide définissant un corps (2) destiné à recevoir le pied d'un utilisateur et s'étendant suivant une direction d'allongement (8),a first rigid shell defining a body (2) intended to receive the foot of a user and extending in an elongation direction (8),
- une deuxième coque rigide définissant une tige (4) destinée à recevoir la jambe de l'utilisateur et s'étendant sensiblement suivant une direction d'élévation (10), - une articulation (6) reliant le corps et la tige, ladite articulation autorisant la rotation de la tige par rapport au corps suivant deux axes de rotation (8, 12) sensiblement perpendiculaires entre eux, caractérisé en ce que ladite articulation autorise en outre une translation des axes d'articulations par rapport au corps pour amener les axes de rotation de l'articulation sensiblement en concordance avec les axes de rotation du pied par rapport à la jambe de l'utilisateur.- a second rigid shell defining a rod (4) intended to receive the user's leg and extending substantially in an elevation direction (10), - a joint (6) connecting the body and the rod, said joint allowing the rotation of the rod relative to the body along two axes of rotation (8, 12) substantially perpendicular to each other, characterized in that said articulation also allows translation of the axes of articulations relative to the body to bring the axes of rotation of the joint substantially in accordance with the axes of rotation of the foot relative to the leg of the user.
2. Article chaussant selon la revendication 1, caractérisé en ce que l'articulation comprend au moins un élément élastiquement déformable (14, 14') tendant à ramener l'article chaussant dans une position initiale. 2. Footwear according to claim 1, characterized in that the joint comprises at least one elastically deformable element (14, 14 ') tending to return the footwear to an initial position.
3. Article chaussant selon la revendication 2, caractérisé en ce que l'articulation comprend deux éléments élastiquement déformables (14, 14') disposés symétriquement par rapport à la direction d'élévation (10) et présentant des caractéristiques mécaniques différentes.3. Footwear according to claim 2, characterized in that the articulation comprises two elastically deformable elements (14, 14 ') arranged symmetrically with respect to the direction of elevation (10) and having different mechanical characteristics.
4. Article chaussant selon la revendication 2 ou la revendication 3, caractérisé en ce que chaque élément élastiquement déformable comprend au moins une lame flexible présentant une forme incurvée en l'absence de contrainte extérieure. 4. Footwear according to claim 2 or claim 3, characterized in that each elastically deformable element comprises at least one flexible blade having a curved shape in the absence of external stress.
5. Article chaussant selon la revendication 4,caractérisé en ce que chaque élément élastiquement déformable comprend deux lames flexibles (16, 18) sensiblement en forme de V ou de U, de sorte que chaque lame flexible comprenne deux branches (16a, 16b ; 18a, 18b) comportant chacune une première extrémité (16aι, 16bι,18aι, lδbt) et une deuxième extrémité (16a2, 16b2,18a2, 18b2), les premières extrémités de chaque lame flexible étant reliée entre elles et les deuxièmes extrémités de chaque lame flexible étant reliées pour l'une des branches (16b, 18b) au corps et pour l'autre des branches (16a, 18a) à la tige. 5. Footwear according to claim 4, characterized in that each elastically deformable element comprises two flexible blades (16, 18) substantially V-shaped or U-shaped, so that each flexible blade comprises two branches (16a, 16b; 18a , 18b) each comprising a first end (16aι, 16bι, 18aι, lδbt) and a second end (16a2, 16b 2 , 18a 2 , 18b 2 ), the first ends of each flexible blade being connected together and the second ends of each flexible blade being connected for one of the branches (16b, 18b) to the body and for the other of the branches (16a, 18a) to the rod.
6. Article chaussant selon la revendication 5, caractérisé en ce qu'il comprend en outre un matériau élastiquement déformable (36), différent de celui des branches, s'étendant entre les branches de certaines au moins des lames flexibles.6. Footwear according to claim 5, characterized in that it further comprises an elastically deformable material (36), different from that of the branches, extending between the branches of at least some of the flexible blades.
7. Article chaussant selon l'une quelconque des revendications 2 à 6, caractérisé en ce que l'articulation comprend en outre au moins un pivot (24,7. Footwear according to any one of claims 2 to 6, characterized in that the articulation further comprises at least one pivot (24,
26) interposé entre le corps et la tige guidant la rotation de la tige par rapport au corps autour d'une direction transversale (12) sensiblement perpendiculaire à la direction d'allongement et à la direction d'élévation.26) interposed between the body and the rod guiding the rotation of the rod relative to the body around a transverse direction (12) substantially perpendicular to the direction of elongation and to the direction of elevation.
8. Article chaussant selon l'une quelconque des revendications précédentes, caractérisé en ce que la direction d'élévation et la direction d'allongement définissant un plan médian, l'article chaussant comprend en outre des butées pour limiter l'amplitude de rotation (αls α2) dans le plan médian à une valeur comprise entre 50 degrés et 60 degrés.8. Footwear according to any one of the preceding claims, characterized in that the direction of elevation and the direction of elongation defining a median plane, the footwear further comprises stops to limit the amplitude of rotation ( α ls α 2 ) in the median plane at a value between 50 degrees and 60 degrees.
9. Article chaussant selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend en outre des butées pour limiter l'amplitude de rotation (θi, θ2) suivant la direction d'allongement à une valeur comprise entre 25 degrés et 35 degrés. 9. Footwear according to any one of the preceding claims, characterized in that it further comprises stops to limit the amplitude of rotation (θi, θ 2 ) in the direction of elongation to a value between 25 degrees and 35 degrees.
10. Article chaussant selon l'une quelconque des revendications précédentes, caractérisé en ce que ladite articulation autorise une translation uniquement suivant la direction d'élévation.10. Footwear according to any one of the preceding claims, characterized in that said articulation allows translation only in the direction of elevation.
11. Article chaussant selon l'une quelconque des revendications précédentes, caractérisé en ce que les deux axes d'articulation (8, 12) sont sensiblement perpendiculaires à la direction d'élévation (10).11. Footwear according to any one of the preceding claims, characterized in that the two axes of articulation (8, 12) are substantially perpendicular to the direction of elevation (10).
12. Article chaussant selon l'une quelconque des revendications précédentes, caractérisé en ce que l'amplitude de translation des axes d'articulations par rapport au corps est comprise entre 5 millimètres et 15 millimètres. 12. Footwear according to any one of the preceding claims, characterized in that the amplitude of translation of the axes of articulations relative to the body is between 5 millimeters and 15 millimeters.
EP03748174A 2002-06-20 2003-06-17 Boot with floating connection Expired - Lifetime EP1515623B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0207636A FR2841107B1 (en) 2002-06-20 2002-06-20 FLOATING ARTICULATION BOX
FR0207636 2002-06-20
PCT/FR2003/001838 WO2004000057A1 (en) 2002-06-20 2003-06-17 Boot with floating connection

Publications (2)

Publication Number Publication Date
EP1515623A1 true EP1515623A1 (en) 2005-03-23
EP1515623B1 EP1515623B1 (en) 2007-03-21

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EP03748174A Expired - Lifetime EP1515623B1 (en) 2002-06-20 2003-06-17 Boot with floating connection

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US (1) US7257908B2 (en)
EP (1) EP1515623B1 (en)
AT (1) ATE357160T1 (en)
AU (1) AU2003267487A1 (en)
DE (1) DE60312681T2 (en)
ES (1) ES2285163T3 (en)
FR (1) FR2841107B1 (en)
WO (1) WO2004000057A1 (en)

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FR2841105B1 (en) * 2002-06-20 2005-02-04 Random Design FOOTWEAR WITH RIGID SHELL AND FLEXIBLE PATIN
ITUD20060176A1 (en) * 2006-07-14 2008-01-15 Calzaturificio Dal Bello Spa SPORTS FOOTWEAR, AS A SKI, SNOWBOARD, TREKKING, OR LIKE SHOE
US8438757B2 (en) * 2009-06-23 2013-05-14 Mark Costin Roser Human locomotion assisting shoe
US8307572B2 (en) * 2009-09-21 2012-11-13 Nike, Inc. Protective boot
GB201522642D0 (en) * 2015-12-22 2016-02-03 Leatt Corp Protective footwear
ITUA20163575A1 (en) * 2016-05-18 2017-11-18 Torino Politecnico Articulated foot-ankle orthosis with floating axis of rotation

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DE2024573C3 (en) * 1970-05-20 1979-08-23 Hannes 8100 Garmisch-Partenkirchen Marker Ski boot
US3945134A (en) * 1974-09-13 1976-03-23 Alpine Research, Inc. Ski boot
IT1139821B (en) * 1981-11-20 1986-09-24 Nava & C Spa BOOTS, ESPECIALLY FOR SPORTS USE
IT8236198V0 (en) * 1982-12-07 1982-12-07 Perini Sergio SKI BOOT WITH RIGID LEG WITH ADJUSTABLE SIDE INCLINATION FOR ADAPTATION TO THE USER'S LEG
US5454173A (en) * 1990-08-22 1995-10-03 Salomon S.A. Sports boot with a journalled collar
EP0813825B1 (en) * 1996-06-08 1999-03-17 Shimano Inc. Snowboard boot
FR2800976B1 (en) 1999-11-16 2002-03-22 Gerard Valat PROTECTIVE FOOTWEAR, SUCH AS BOOTS OR THE LIKE
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Also Published As

Publication number Publication date
WO2004000057A1 (en) 2003-12-31
ATE357160T1 (en) 2007-04-15
ES2285163T3 (en) 2007-11-16
DE60312681D1 (en) 2007-05-03
EP1515623B1 (en) 2007-03-21
US20050217151A1 (en) 2005-10-06
DE60312681T2 (en) 2007-12-06
AU2003267487A1 (en) 2004-01-06
US7257908B2 (en) 2007-08-21
FR2841107B1 (en) 2004-09-24
FR2841107A1 (en) 2003-12-26

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