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EP1565081A1 - Set comprising two articulated boots having different mechanical properties - Google Patents

Set comprising two articulated boots having different mechanical properties

Info

Publication number
EP1565081A1
EP1565081A1 EP03789484A EP03789484A EP1565081A1 EP 1565081 A1 EP1565081 A1 EP 1565081A1 EP 03789484 A EP03789484 A EP 03789484A EP 03789484 A EP03789484 A EP 03789484A EP 1565081 A1 EP1565081 A1 EP 1565081A1
Authority
EP
European Patent Office
Prior art keywords
footwear
articulation
shell
assembly according
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
EP03789484A
Other languages
German (de)
French (fr)
Other versions
EP1565081B1 (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 EP1565081A1 publication Critical patent/EP1565081A1/en
Application granted granted Critical
Publication of EP1565081B1 publication Critical patent/EP1565081B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/14Shoes for cyclists
    • A43B5/145Boots for motorcyclists
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00Footwear characterised by the shape or the use
    • A43B3/02Boots covering the lower leg
    • A43B3/04Boots covering the lower leg with rubber or elastic insertions or gussets
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/04Ski or like boots
    • A43B5/0427Ski or like boots characterised by type or construction details
    • A43B5/0452Adjustment of the forward inclination of the boot leg
    • A43B5/0454Adjustment of the forward inclination of the boot leg including flex control; Dampening means
    • A43B5/0464Adjustment of the forward inclination of the boot leg including flex control; Dampening means with exchangeable parts
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/04Ski or like boots
    • A43B5/0427Ski or like boots characterised by type or construction details
    • A43B5/0466Adjustment of the side inclination of the boot leg; Canting
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00Footwear for sporting purposes
    • A43B5/04Ski or like boots
    • A43B5/0427Ski or like boots characterised by type or construction details
    • A43B5/0482Ski or like boots characterised by type or construction details made from materials with different rigidities
    • AHUMAN NECESSITIES
    • A43FOOTWEAR
    • A43BCHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00Footwear with health or hygienic arrangements
    • A43B7/14Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/18Joint supports, e.g. instep supports
    • A43B7/20Ankle-joint supports or holders

Definitions

  • the present invention relates to a footwear article of a new type intended to protect the feet and legs of a user when practicing an external sport.
  • Footwear is already known 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 user's leg and extending substantially in an elevation direction
  • Such an article of footwear is notably disclosed in FR-A-2656 776 or WO-A-01 89335.
  • the invention aims to improve the protection and comfort of users, and to increase the production volumes of such articles.
  • the invention proposes to provide a range of joints having different mechanical strength characteristics to adapt to physiological differences between the users of such footwear and / or to the differences existing between the sports for which said footwear can be used.
  • the first shell, to which the joint is linked can be used without technical modification (possibly some aesthetic differences), for multiple sports and for all users whose feet have substantially the same dimensions (in other words the same size).
  • the second shell, to which the joint is linked can be used without technical modification fundamental for all users whose feet have substantially the same dimensions.
  • a range of similar second shells can be provided to cover a range of sports. There may exist within the range of second hulls some minor technical differences (slight shortening of the rod in some cases) between the second hulls for the practice of certain sports.
  • the invention relates to an assembly comprising at least:
  • a first rigid shell defining a body intended to receive the foot of a first user and extending in a direction of elongation
  • a second rigid shell defining a rod intended to receive the user's leg and extending substantially in an elevation direction
  • a first rigid shell defining a body intended to receive the foot of a second user and extending in an elongation direction
  • a second rigid shell defining a rod intended to receive the user's leg and extending substantially in an elevation direction
  • the second shell of the first footwear and the second shell of the second footwear are similar, the mechanical characteristics of the articulation of the first footwear and the mechanical characteristics of the articulation of the second footwear are significantly different in order to correspond to the physiological differences between the first and second user and / or differences between the first and second sport.
  • the mechanical characteristics of the joints will be better adapted to the physiological characteristics (in particular weight and muscular force) of the users and on the other hand it is possible, without having to design a new product, to cover a wide range of sports such as mountain biking, snowboarding, mountain biking or rollerblading.
  • the second shell of the first footwear is substantially identical to the second shell of the second footwear.
  • the articulation is distinct from the first shell and from the second shell, and the articulation of the first footwear is substitutable for the articulation of the second footwear and Conversely.
  • the articulation of the first article is substitutable for the articulation of the second article in particular when the space provided in the first and the second shell of the second footwear is sufficient to receive the first articulation, and that the attachment zones of the first joint coincides with the attachment zones of the first shell and the second shell of the second footwear, said attachment zones receiving attachment means intended to maintain the articulation on the first and second shells.
  • the invention proposes that the articulation of each footwear element allows the rotation of the upper relative to the body along two axes of rotation substantially perpendicular to each other and a translation of the axes. articulations relative to the body to bring the axes of rotation of the articulation substantially in concordance 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 more faithfully following the complexity of the ankle movement.
  • the articulation of the first footwear and the articulation of the second footwear each comprise two elastically defmable elements arranged symmetrically with respect to the direction of elevation
  • Each elastically deformable element comprises two substantially curved ribs arranged in opposition (back to back or face to face).
  • the ribs of the first footwear and the ribs of the second footwear are made of different materials. We can also provide ribs of different sections for the first and second footwear.
  • the two elastically deformable elements have different mechanical characteristics.
  • the characteristics of resistance to deformation can be adapted more precisely to the protection requirements of the user, due in particular to the imperfect symmetry of the ball joint connection between the foot and the leg.
  • the footwear further comprises stops to limit the amplitude of rotation in the median plane at a value between 50 degrees and 60 degrees.
  • each footwear item further includes stops to limit the amplitude of rotation in the direction of elongation to a value between 25 degrees and 35 degrees.
  • FIG. 1 illustrates a motorcycle boot according to the invention in the rest position
  • FIG. 2 illustrates the boot of Figure 1 in the bending position
  • FIG. 3 illustrates the boot of FIG. 1 in the 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 Figure 1, in the rest position
  • - Figure 6 is a view in accordance with Figure 5, in the pronation position of the boot
  • FIG. 7 is a view in accordance with FIG. 5, in the supine position of the boot,
  • FIG. 8 is an enlarged view of the articulation alone
  • FIG. 9 illustrates a variant of a motorcycle boot according to the invention
  • FIG. 10 is an enlarged view of the articulation alone of the variant of the motorcycle boot illustrated in FIG. 9,
  • Figure 11 is a variant of articulation.
  • Figures 1 to 7 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 an articulation device 6 connecting the rod 4 to the body 2.
  • the body 2 and the rod 4 each comprise a relatively rigid shell intended to protect 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 the foot on a horizontal ground, while the rod extends in a substantially vertical elevation direction.
  • 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.
  • the boot has an internal face 1a and an external face 1b arranged on either side of the plane median P.
  • the boot 1 also has a transverse direction 12 extending substantially perpendicular to the direction of elongation 8 and to the direction of elevation 10.
  • the articulation device comprises two structures 14, 14 ′ with elastically deformable geometry disposed substantially symmetrically relative to the Plan P, one on the internal face 1a and the other on the external face 1b.
  • Each structure 14, 14 ' mainly comprises a front rib 16 and a rear rib 18 (the ribs of the structure 14' are not visible in the figures) each curved, substantially in the form of N, U or C.
  • Each rib comprises an upper branch 16a, 18a and a lower branch 16b, 18b.
  • Each branch 16a, 16b, 18a, 18b extends between a first end respectively 16a ⁇ , 16b ⁇ , 18a; ⁇ , 18b ⁇ and a second end respectively 16a 2 , 16b 2 , 18a 2 , 18b 2 .
  • the first ends 16a lr 16bi of the branches of the front rib 16 are interconnected in a front apex zone 20 allowing rotation between the upper 16a and lower 16b branches.
  • the first ends 18a ⁇ , 18b ⁇ of the branches of the rear rib 18 are connected together in a rear apex zone 22 allowing rotation between the upper 18a and lower 18b branches.
  • the second ends 16b 2 , 18b 2 of the lower branches are fixed to the body 2, while the second ends 16a 2 , 18a 2 of the upper branches are fixed to the rod 4.
  • the front ribs 16 and rear 18 have rather the shape of an open V, as illustrated in FIGS. 1 to 3, when the apex zones 20, 22 are very localized, rather the shape of an open U when these zones 20 , 22 are relatively large and rather the shape of a C when these areas 20, 22 are very large.
  • each structure 14 has substantially the shape of a deformable parallelogram.
  • they could be arranged back to back, so that each structure 14 has substantially a shape of> ⁇ deformable.
  • the articulation device 6 further comprises two pivots 24, 26 extending substantially in the transverse direction between the front ribs 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 of oblong shape extending substantially in the direction of elevation 10 between an upper end 28a, 30a and a lower end 28, 30b advantageously distant by 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' with variable geometry thus define a floating articulation device positioned substantially at height of the malleolus on either side of a user's ankle.
  • the rod 4 pivots around the pivots 24, 26, the branches 16a, 16b of the front ribs 16 approach each other by deformation of the front apex zones 20, while the branches 18a, 18b of the rear ribs 18 move apart by deformation of the rear apex zones 22.
  • the articulation device 6 deforms inversely during an extension movement, the front ribs 16 moving apart and the rear ribs 18 moving closer together.
  • the upper branches 16a, 18a pivot relative to the rod 4, by elastic deformation near their second end 16a 2 , 18a2, as do the lower branches 16b, 18b pivot relative to the body 2, by elastic deformation near their second end 16b2, 18b 2 .
  • the boot 1 also comprises a rear stop device 32.
  • this rear stop device 32 intended to limit the flexion movement comprises a stud with a bulged head 34 secured to the body 2 and sliding in a groove 40 of oblong shape made in the rod 4.
  • the positions ends of the bulge with a bulged head 34 corresponding to the maximum bending and extension are shown in phantom in FIG. 4.
  • the amplitude ai of the flexion movement authorized by the articulation device 6 is approximately 25 degrees relative to the initial position shown in FIG. 1.
  • the rod 4 In the extreme extension 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 relative to the initial position shown in FIG. 1.
  • the structures 14, 14 ′ furthermore allow, by their parallelogram geometry, a lateral deformation in a direction substantially parallel to the direction of elongation 8, in order to accompany the foot of the user in his pronation, supination and movements. twist combinations.
  • the upper branches 16a, 18a are brought together by deformation of the front apex zones 20 and rear 22 of the lower branches 16b, 18b.
  • the pivot 24 approaches the upper end 28a of the groove 28.
  • the upper branches move away 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 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 approaches the lower end 28b of the groove 28.
  • the upper branches approach the lower branches by deformation of the apex zones front and rear.
  • the pivot 26 approaches the upper end 26a of the groove 26.
  • the articulation device 6 further comprises a shock absorbing material 36, which is elastically deformable, which is different from that constituting the ribs 16, 18.
  • This shock absorbing material 36 is disposed between the ribs 16, 18 and fills the space separating the branches 16a, 16b; 18a, 18b of the ribs.
  • the damping material 36 When the structures 14, 14 'are deformed relative to the initial position, the damping material 36 is stretched or compressed. Thus, it exerts an increasing resistant force making it possible to avoid or at least reduce the speed of the impact when the articulation device comes into abutment.
  • the damping material 36 attached to the structure 14, in other words arranged on the internal face la, and that attached to the structure 14 ', in other words disposed on the external face 1b, are different, in order to obtain an asymmetrical behavior of the hinge device 6.
  • the structures 14, 14 ′ may have different mechanical characteristics, as indicated above.
  • the material of the 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 can in particular be constituted by polyurethane foam or an elastomer.
  • the structures 14, 14 ' are each distinct from the body 2 and the rod 4.
  • Each structure 14, 14' is here in one piece and integrates in a single piece the front rib 16 and the rear rib 18.
  • Said structures each comprise two fixing holes 48, 50 and are fixed respectively to the body 2 by a rivet 52 passing through the fixing hole 48 formed in the structure and a fixing hole 44 formed in the body 2, and on the rod 4 by a rivet 54 passing through the fixing hole 50 formed in the structure and a fixing hole 46 formed in the rod 4.
  • the fixing holes 44 in the body, the fixing holes 46 in the rod, the fixing holes 48, 50 in the structure 14 and the rivets 52, 54 constitute the means 42 for fixing the structure 14 to the body 2 and the rod 4.
  • FIG. 9 illustrates a boot 101 intended for roller skating, after attachment to a base (not shown) carrying several rollers.
  • the elements corresponding to those of Figures 1 to 8 have a mark increased by 100.
  • the boot 101 is essentially distinguished from the boot 1 in that the ribs 116, 118 of each of the articulation structures have a section and in particular here a thickness e (substantially constant) substantially less than the thickness E of the ribs 16, 18. Thus, the bending force of the boot 101 is lower than that of the boot 1.
  • the rod 104 of the boot 101 is substantially shortened with respect to the rod 4 of the boot 1 insofar as the protection for the practice of roller skating does not require covering a large part of the leg.
  • the fixing holes have been doubled with respect to the fixing means 42 and include two fixing holes in the body 102, two fixing holes in the rod 104 with which coincide four corresponding holes respectively 148a, 148b, 150a, 150b in the structure 114.
  • the two rivets 52, 54 have been replaced by four bolts 152a, 152b, 154a, 154b allowing easier replacement of the structure 114.
  • pins or any other means fulfilling the same function could be provided.
  • FIG. 11 illustrates an articulation structure 214 perfectly substitutable for the structure 114 insofar as it comprises four fixing holes 248a, 248b, 250a, 250b since they coincide perfectly with the fixing holes in the body 102 and the rod 104.
  • This articulation structure 214 differs essentially from the structure 114, in addition to its section, in that it comprises a front rib 216 distinct from the rear rib 218 and that these ribs have substantially a C shape.
  • the various means fasteners described and the different structures described can be combined together and used with each of the boots illustrated.

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Metal Rolling (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)

Abstract

The footwear comprises first rigid shell defining a body (2) for receiving the user's foot and extending along a length direction (8). A second rigid shell defines an ankle part (4) receiving the user's leg and extending in an upright direction. An articulation (6) connecting the body and the ankle part has a range of specified mechanical resistance characteristics.

Description

ENSEMBLE COMPRENANT DEUX BOTTES ARTICULEES AYANT DES CARACTERISTIQUES MECANIQUES DIFFERENTES La présente invention a pour objet un article chaussant d'un nouveau type destiné à protéger les pieds et les jambes d'un utilisateur lors de la pratique d'un sport externe. The present invention relates to a footwear article of a new type intended to protect the feet and legs of a user when practicing an external sport.
On connaît déjà des articles chaussant comprenant :Footwear is already known 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,a second rigid shell defining a rod intended to receive the user's leg and extending substantially in an elevation direction,
- une articulation, reliant le corps et la tige, présentant des caractéristiques de résistance mécanique déterminées.- an articulation, connecting the body and the rod, having determined mechanical resistance characteristics.
Un tel article chaussant est notamment divulgué dans FR- A-2656 776 ou WO-A-01 89335.Such an article of footwear is notably disclosed in FR-A-2656 776 or WO-A-01 89335.
L'invention a pour but d'améliorer la protection et le confort des utilisateurs, et d'augmenter les volumes de production de tels articles.The invention aims to improve the protection and comfort of users, and to increase the production volumes of such articles.
Pour ce faire, l'invention propose de prévoir une gamme d'articulations présentant des caractéristiques de résistance mécanique différentes pour s'adapter aux différences physiologiques entre les utilisateurs de tels articles chaussants et/ ou aux différences existant entre les sports pour lesquels lesdits articles chaussant peuvent être utilisés.To do this, the invention proposes to provide a range of joints having different mechanical strength characteristics to adapt to physiological differences between the users of such footwear and / or to the differences existing between the sports for which said footwear can be used.
En outre, conformément à l'invention, la première coque, à laquelle l'articulation est liée, peut être utilisée sans modification technique (éventuellement quelques différences esthétiques), pour de multiples sports et pour tous les utilisateurs dont les pieds ont sensiblement les mêmes dimensions (autrement dit la même pointure).In addition, in accordance with the invention, the first shell, to which the joint is linked, can be used without technical modification (possibly some aesthetic differences), for multiple sports and for all users whose feet have substantially the same dimensions (in other words the same size).
Enfin, toujours selon l'invention, la deuxième coque, à laquelle l'articulation est liée, peut être utilisée sans modification technique fondamentale pour tous les utilisateurs dont les pieds ont sensiblement les mêmes dimensions. Autrement dit, on peut prévoir une gamme de deuxièmes coques similaires pour couvrir une gamme de sports. Il peut exister au sein de la gamme de deuxièmes coques quelques différences techniques mineures (léger raccourcissement de la tige dans certains cas) entre les deuxièmes coques pour la pratique de certains sports.Finally, still according to the invention, the second shell, to which the joint is linked, can be used without technical modification fundamental for all users whose feet have substantially the same dimensions. In other words, a range of similar second shells can be provided to cover a range of sports. There may exist within the range of second hulls some minor technical differences (slight shortening of the rod in some cases) between the second hulls for the practice of certain sports.
Autrement dit, l'invention concerne un ensemble comprenant au moins :In other words, the invention relates to an assembly comprising at least:
- un premier article chaussant, destiné à la pratique d'un premier sport, comprenant :- a first article of footwear, intended for the practice of a first sport, comprising:
• une première coque rigide définissant un corps destiné à recevoir le pied d'un premier utilisateur et s'étendant suivant une direction d'allongement,A first rigid shell defining a body intended to receive the foot of a first 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,A second rigid shell defining a rod intended to receive the user's leg and extending substantially in an elevation direction,
• une articulation reliant le corps et la tige présentant des caractéristiques de résistance mécanique déterminées,An articulation connecting the body and the rod having determined mechanical strength characteristics,
- un deuxième article chaussant, destiné également à la pratique d'un deuxième sport, comprenant :- a second article of footwear, also intended for the practice of a second sport, comprising:
• une première coque rigide définissant un corps destiné à recevoir le pied d'un deuxième utilisateur et s'étendant suivant une direction d'allongement,A first rigid shell defining a body intended to receive the foot of a second user and extending in an elongation direction,
• une deuxième coque rigide définissant une tige destinée à recevoir la jambe de l'utilisateur et s'étendant sensiblement suivant une direction d'élévation,A second rigid shell defining a rod intended to receive the user's leg and extending substantially in an elevation direction,
• une articulation reliant le corps et la tige présentant des caractéristiques de résistance mécanique déterminées, dans lequel : - la première coque du premier article chaussant est sensiblement identique à la première coque du deuxième article chaussant,• an articulation connecting the body and the rod having determined mechanical resistance characteristics, in which: the first shell of the first footwear is substantially identical to the first shell of the second footwear,
- la deuxième coque du premier article chaussant et la deuxième coque du deuxième article chaussant sont similaires, - les caractéristiques mécaniques de l'articulation du premier article chaussant et les caractéristiques mécaniques de l'articulation du deuxième article chaussant sont sensiblement différentes afin de correspondre aux différences physiologiques des premier et deuxième utilisateur et/ ou des différences entre le premier et le deuxième sport. Ainsi, d'une part les caractéristiques mécaniques des articulations seront mieux adaptées aux caractéristiques physiologiques (en particulier poids et force musculaire) des utilisateurs et d'autre part il est possible, sans avoir à concevoir un nouveau produit, de couvrir une vaste gamme de sports tel que la moto tout terrain, le snowboard, le vélo tout terrain ou le roller. Selon une caractéristique avantageuse de l'invention, en particulier lorsque le premier et le deuxième articles chaussants sont destinés au même sport, la deuxième coque du premier article chaussant est sensiblement identique à la deuxième coque du deuxième article chaussant.the second shell of the first footwear and the second shell of the second footwear are similar, the mechanical characteristics of the articulation of the first footwear and the mechanical characteristics of the articulation of the second footwear are significantly different in order to correspond to the physiological differences between the first and second user and / or differences between the first and second sport. Thus, on the one hand the mechanical characteristics of the joints will be better adapted to the physiological characteristics (in particular weight and muscular force) of the users and on the other hand it is possible, without having to design a new product, to cover a wide range of sports such as mountain biking, snowboarding, mountain biking or rollerblading. According to an advantageous characteristic of the invention, in particular when the first and second footwear are intended for the same sport, the second shell of the first footwear is substantially identical to the second shell of the second footwear.
Ainsi, on limite les coûts de réalisation des articles chaussants. Conformément à une autre caractéristique avantageuse de l'invention, pour chaque article chaussant, l'articulation est distincte de la première coque et de la deuxième coque, et l'articulation du premier article chaussant est substituable à l'articulation du deuxième article chaussant et inversement. On comprendra que l'articulation du premier article est substituable à l'articulation du deuxième article notamment lorsque l'espace ménagé dans la première et la deuxième coque du deuxième article chaussant est suffisant pour recevoir la première articulation, et que les zones de fixation de la première articulation coïncident avec les zones de fixation de la première coque et de la deuxième coque du deuxième article chaussant, lesdites zones de fixation recevant des moyens de fixation destinés à maintenir l'articulation sur les première et deuxième coques.Thus, the costs of making footwear are limited. In accordance with another advantageous characteristic of the invention, for each footwear, the articulation is distinct from the first shell and from the second shell, and the articulation of the first footwear is substitutable for the articulation of the second footwear and Conversely. It will be understood that the articulation of the first article is substitutable for the articulation of the second article in particular when the space provided in the first and the second shell of the second footwear is sufficient to receive the first articulation, and that the attachment zones of the first joint coincides with the attachment zones of the first shell and the second shell of the second footwear, said attachment zones receiving attachment means intended to maintain the articulation on the first and second shells.
Ainsi, il est possible pour le vendeur de stocker d'une part les articles chaussants sans articulation et d'autre part les articulations, et d'effectuer l'assemblage en fonction des caractéristiques physiologiques du client et du sport qu'il souhaite pratiquer, sans avoir à stocker toutes les combinaisons possibles, ce qui permet de réduire le stock. En outre, il est possible de ne remplacer que l'articulation, lorsqu'elle a été endommagée et que le reste de l'article chaussant est encore en état.Thus, it is possible for the seller to store on the one hand footwear without articulation and on the other hand the articulations, and to carry out the assembly according to the physiological characteristics of the client and the sport he wishes to practice, without having to store all the possible combinations, which makes it possible to reduce the stock. In addition, it is possible to replace only the joint, when it has been damaged and the rest of the footwear is still in good condition.
Pour améliorer encore le confort de l'utilisateur sans réduire sa protection, l'invention propose que l'articulation de chaque élément chaussant autorise la rotation de la tige par rapport au corps suivant deux axes de rotation sensiblement perpendiculaires entre eux et 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.To further improve user comfort without reducing their protection, the invention proposes that the articulation of each footwear element allows the rotation of the upper relative to the body along two axes of rotation substantially perpendicular to each other and a translation of the axes. articulations relative to the body to bring the axes of rotation of the articulation substantially in concordance with the axes of rotation of the foot relative to the leg of the user.
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.Thus, the boot adapts to the morphology of the user, provides greater mobility and a feeling of greater flexibility by more faithfully following the complexity of the ankle movement.
Une articulation simple et robuste présentant les caractéristiques précitées consiste en ce que :A simple and robust articulation having the above characteristics consists in that:
- l'articulation du premier article chaussant et l'articulation du deuxième article chaussant comprennent chacun deux éléments élastiquement déf ormables disposés symétriquement par rapport à la direction d'élévation,- the articulation of the first footwear and the articulation of the second footwear each comprise two elastically defmable elements arranged symmetrically with respect to the direction of elevation,
- chaque élément élastiquement déformable comprend deux nervures sensiblement incurvées disposées en opposition (dos à dos ou face à face). Pour obtenir des caractéristiques mécaniques différentes entre les articulations des premier et deuxième articles chaussants, conformément à l'invention, les nervures du premier article chaussant et les nervures du deuxième article chaussant sont réalisées dans des matériaux différents. On pourra également prévoir des nervures de sections différentes pour le premier et le deuxième articles chaussants.- Each elastically deformable element comprises two substantially curved ribs arranged in opposition (back to back or face to face). To obtain different mechanical characteristics between the joints of the first and second footwear, according to the invention, the ribs of the first footwear and the ribs of the second footwear are made of different materials. We can also provide ribs of different sections for the first and second footwear.
Selon une autre caractéristique avantageuse de l'invention, pour chaque article chaussant les deux éléments élastiquement déformables présentent des caractéristiques mécaniques différentes. 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.According to another advantageous characteristic of the invention, for each article of footwear the two elastically deformable elements have different mechanical characteristics. Thus, the characteristics of resistance to deformation can be adapted more precisely to the protection requirements of the user, due in particular to the imperfect symmetry of the ball joint connection between the foot and the leg.
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, in accordance with another advantageous characteristic, the direction of elevation and the direction of elongation 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 injuries while allowing great freedom of movement.
Selon une caractéristique complémentaire, l'invention propose que chaque 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. 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. L'invention va apparaître encore plus clairement dans la description qui va suivre, faite en référence aux dessins annexés dans lesquels :According to an additional characteristic, the invention proposes that each footwear item further includes stops to limit the amplitude of rotation in the direction of elongation to a value between 25 degrees and 35 degrees. The translational movement of the axes of articulations 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 ankle of the user. The invention will appear even more clearly in the description which follows, made with reference to the appended drawings in which:
- La figure 1 illustre une botte de moto conforme à l'invention en position repos, - la figure 2 illustre la botte de la figure 1 en position de flexion,- Figure 1 illustrates a motorcycle boot according to the invention in the rest position, - Figure 2 illustrates the boot of Figure 1 in the 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 the extended position,
- la figure 4 est une vue suivant la flèche repérée IV à la figure 1,FIG. 4 is a view along the arrow marked IV in FIG. 1,
- la figure 5 est une vue en coupe suivant la flèche repérée V-V à la figure 1, en position repos, - la figure 6 est une vue conformément à la figure 5, en position de pronation de la botte,- Figure 5 is a sectional view along the arrow marked V-V in Figure 1, in the rest position, - Figure 6 is a view in accordance with Figure 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,FIG. 7 is a view in accordance with FIG. 5, in the supine position of the boot,
- la figure 8 est une vue agrandie de l'articulation seule, - la figure 9 illustre une variante de botte de moto conforme à l'invention,FIG. 8 is an enlarged view of the articulation alone, FIG. 9 illustrates a variant of a motorcycle boot according to the invention,
- la figure 10 est une vue agrandie de l'articulation seule de la variante de botte de moto illustrée à la figure 9,FIG. 10 is an enlarged view of the articulation alone of the variant of the motorcycle boot illustrated in FIG. 9,
- la figure 11 est une variante d'articulation. Les figures 1 à 7 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.- Figure 11 is a variant of articulation. Figures 1 to 7 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 an articulation device 6 connecting the rod 4 to the body 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 body 2 and the rod 4 each comprise a relatively rigid shell intended to protect 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 the foot on a horizontal ground, while the rod extends in a substantially vertical elevation direction.
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. The boot has an internal face 1a and an external face 1b arranged on either side of the plane median 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. 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.The boot 1 also has a transverse direction 12 extending substantially perpendicular to the direction of elongation 8 and to the direction of elevation 10. The articulation device comprises two structures 14, 14 ′ with elastically deformable geometry disposed substantially symmetrically relative to the Plan P, one on the internal face 1a and the other on the external face 1b.
Chaque structure 14, 14' comprend principalement une nervure avant 16 et une nervure arrière 18 (les nervures de la structure 14' ne sont pas visibles sur les figures) chacune incurvée, sensiblement en forme de N, de U ou de C. Chaque nervure 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 16aι, 16bι, 18a;ι, 18bι et une deuxième extrémité respectivement 16a2, 16b2, 18a2, 18b2.Each structure 14, 14 'mainly comprises a front rib 16 and a rear rib 18 (the ribs of the structure 14' are not visible in the figures) each curved, substantially in the form of N, U or C. Each rib comprises an upper branch 16a, 18a and a lower branch 16b, 18b. Each branch 16a, 16b, 18a, 18b extends between a first end respectively 16aι, 16bι, 18a; ι, 18bι and a second end respectively 16a 2 , 16b 2 , 18a 2 , 18b 2 .
Les premières extrémités 16alr 16bi des branches de la nervure 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 18aι, 18bι des branches de la nervure 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 16a lr 16bi of the branches of the front rib 16 are interconnected in a front apex zone 20 allowing rotation between the upper 16a and lower 16b branches. The first ends 18aι, 18bι of the branches of the rear rib 18 are connected together in a rear apex zone 22 allowing rotation between the upper 18a and lower 18b branches.
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. Les nervures avant 16 et arrière 18 présentent plutôt la forme d'un V ouvert, comme illustré aux figures 1 à 3, lorsque les zones d'apex 20, 22 sont très localisées, plutôt la forme d'un U ouvert lorsque ces zones 20, 22 sont relativement étendues et plutôt la forme d'un C lorsque ces zones 20, 22 sont très étendues.The second ends 16b 2 , 18b 2 of the lower branches are fixed to the body 2, while the second ends 16a 2 , 18a 2 of the upper branches are fixed to the rod 4. The front ribs 16 and rear 18 have rather the shape of an open V, as illustrated in FIGS. 1 to 3, when the apex zones 20, 22 are very localized, rather the shape of an open U when these zones 20 , 22 are relatively large and rather the shape of a C when these areas 20, 22 are very large.
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 être disposées dos à dos, de sorte que chaque structure 14 présente sensiblement une forme de >< déformable.They are advantageously arranged in opposition, in other words symmetrically with respect to the direction of elevation 10. Here, they are open towards one another, so that each structure 14 has substantially the shape of a deformable parallelogram. Alternatively, they could be arranged back to back, so that each structure 14 has substantially a shape of> <deformable.
Le dispositif d'articulation 6 comprend en outre deux pivots 24, 26 s'étendant sensiblement suivant la direction transversale entre les nervures 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 articulation device 6 further comprises two pivots 24, 26 extending substantially in the transverse direction between the front ribs 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 of oblong shape extending substantially in the direction of elevation 10 between an upper end 28a, 30a and a lower end 28, 30b advantageously distant by 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' with variable geometry thus define a floating articulation device positioned substantially at height of the malleolus on either side of a user's ankle.
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 nervures avant 16 se rapprochent par déformation des zones d'apex avant 20, tandis que les branches 18a, 18b des nervures arrières 18 s'écartent par déformation des zones d'apex arrière 22. Tel qu'illustré aux figures 1 et 3, le dispositif d'articulation 6 se déforme inversement lors d'un mouvement d'extension, les nervures avant 16 s'écartant et les nervures arrières 18 se rapprochant.As illustrated in FIGS. 1 and 2, during a flexion movement of the ankle of a user around the transverse direction 12, the rod 4 pivots around the pivots 24, 26, the branches 16a, 16b of the front ribs 16 approach each other by deformation of the front apex zones 20, while the branches 18a, 18b of the rear ribs 18 move apart by deformation of the rear apex zones 22. As illustrated in FIGS. 1 and 3, the articulation device 6 deforms inversely during an extension movement, the front ribs 16 moving apart and the rear ribs 18 moving closer together.
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.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 16a 2 , 18a2, as do the lower branches 16b, 18b pivot relative to the body 2, by elastic deformation near their second end 16b2, 18b 2 .
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.The pivots 24, 26 being able to slide in the grooves 28, 30, in the extreme bending position, the rod 4 abuts at 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 flexion movement were continued, the pivots 24, 26 would tend to slide in the grooves 28, 30 towards their lower end. Since such a movement is likely to be harmful to the user, the boot 1 also 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.As illustrated in FIG. 4, this rear stop device 32 intended to limit the flexion movement comprises a stud with a bulged head 34 secured to the body 2 and sliding in a groove 40 of oblong shape made in the rod 4. The positions ends of the bulge with a bulged head 34 corresponding to the maximum bending and extension are shown in phantom in FIG. 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 indicated in FIG. 2, the amplitude ai of the flexion movement authorized by the articulation device 6 is approximately 25 degrees relative to the initial position shown in FIG. 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. Tel que repéré à la figure 3, l'amplitude α2 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.In the extreme extension 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. As identified in FIG. 3, the amplitude α 2 of the extension movement authorized by the articulation device 6 is approximately 30 degrees relative to the initial position shown in FIG. 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.The structures 14, 14 ′ furthermore allow, by their parallelogram geometry, a lateral deformation in a direction substantially parallel to the direction of elongation 8, in order to accompany the foot of the user in his pronation, supination and movements. twist combinations.
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 l'extrémité supérieure 28a de la rainure 28.As illustrated in FIGS. 5 and 6, during a pronation movement of the ankle of a user, the upper branches 16a, 18a are brought together by deformation of the front apex zones 20 and rear 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.Conversely, concerning the structure 14 ′, the upper branches move away 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.
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 θi autorisé par le dispositif d'articulation 6 par rapport à la position initiale représentée à la figure 5 est d'environ 15 degrés.In the position of extreme pronation of the boot, the pivot 24 abuts on the upper end 28a of the groove 28 and the pivot 26 abuts on the lower end 26b of the groove 26. The amplitude of the pronation movement autoriséi authorized by the articulation device 6 relative to the initial position shown in Figure 5 is about 15 degrees.
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.As illustrated in FIGS. 5 and 7, conversely during a movement of supination of the ankle of a user, 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 approaches the lower end 28b of the groove 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.And, concerning the structure 14 ', the upper branches approach the lower branches by deformation of the apex zones front and rear. In addition, the pivot 26 approaches the upper end 26a of the groove 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.In the position of extreme supination of the boot, the pivot 24 abuts on the lower end 28b of the groove 28 and the pivot 26 abuts on the upper end 26a of the groove 26. The amplitude of the movement of supination autorisé 2 authorized by the articulation device 6 relative to the initial position shown in Figure 5 is about 15 degrees.
Le dispositif d'articulation 6 comprend en outre un matériau amortissant 36, élastiquement déformable qui est différent de celui constituant les nervures 16, 18. Ce matériau amortissant 36 est disposé entre les nervures 16, 18 et remplit l'espace séparant les branches 16a, 16b ; 18a, 18b des nervures.The articulation device 6 further comprises a shock absorbing material 36, which is elastically deformable, which is different from that constituting the ribs 16, 18. This shock absorbing material 36 is disposed between the ribs 16, 18 and fills the space separating the branches 16a, 16b; 18a, 18b of the ribs.
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 la vitesse de l'impact lorsque le dispositif d'articulation arrive en butée.When the structures 14, 14 'are deformed relative to the initial position, the damping material 36 is stretched or compressed. Thus, it exerts an increasing resistant force making it possible to avoid or at least reduce the speed of the impact when the articulation device comes into abutment.
Avantageusement, le matériau amortissant 36 adjoint à la 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.Advantageously, the damping material 36 attached to the structure 14, in other words arranged on the internal face la, and that attached to the structure 14 ', in other words disposed on the external face 1b, are different, in order to obtain an asymmetrical behavior of the hinge device 6. Likewise, the 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 ou un élastomère. Tel qu'illustré, les structures 14, 14' sont chacune distinctes du corps 2 et de la tige 4. Chaque structure 14, 14' est ici monobloc et intègre en une seule pièce la nervure avant 16 et la nervure arrière 18. Lesdites structures comprennent chacune deux trous de fixation 48, 50 et sont fixées respectivement sur le corps 2 par un rivet 52 passant à travers le trou de fixation 48 ménagé dans la structure et un trou de fixation 44 ménagé dans le corps 2, et sur la tige 4 par un rivet 54 passant à travers le trou de fixation 50 ménagé dans la structure et un trou de fixation 46 ménagé dans la tige 4.The material of the 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 can in particular be constituted by polyurethane foam or an elastomer. As illustrated, the structures 14, 14 'are each distinct from the body 2 and the rod 4. Each structure 14, 14' is here in one piece and integrates in a single piece the front rib 16 and the rear rib 18. Said structures each comprise two fixing holes 48, 50 and are fixed respectively to the body 2 by a rivet 52 passing through the fixing hole 48 formed in the structure and a fixing hole 44 formed in the body 2, and on the rod 4 by a rivet 54 passing through the fixing hole 50 formed in the structure and a fixing hole 46 formed in the rod 4.
Les trous de fixation 44 dans le corps, les trous de fixation 46 dans la tige, les trous de fixation 48, 50 dans la structure 14 et les rivets 52, 54 constituent les moyens de fixation 42 de la structure 14 sur le corps 2 et la tige 4. La structure 14' comprend des moyens de fixation identiques.The fixing holes 44 in the body, the fixing holes 46 in the rod, the fixing holes 48, 50 in the structure 14 and the rivets 52, 54 constitute the means 42 for fixing the structure 14 to the body 2 and the rod 4. The structure 14 'comprises identical fixing means.
La figure 9 illustre une botte 101 destinée à la pratique du roller, après fixation sur une base (non représentée) portant plusieurs roulettes. Les éléments correspondants à ceux des figures 1 à 8 ont un repère augmenté de 100.FIG. 9 illustrates a boot 101 intended for roller skating, after attachment to a base (not shown) carrying several rollers. The elements corresponding to those of Figures 1 to 8 have a mark increased by 100.
La botte 101 se distingue essentiellement de la botte 1 en ce que les nervures 116, 118 de chacune des structures d'articulation présentent une section et en particulier ici une épaisseur e (sensiblement constante) sensiblement inférieure à l'épaisseur E des nervures 16, 18. Ainsi, l'effort de flexion de la botte 101 est moins élevé que celui de la botte 1.The boot 101 is essentially distinguished from the boot 1 in that the ribs 116, 118 of each of the articulation structures have a section and in particular here a thickness e (substantially constant) substantially less than the thickness E of the ribs 16, 18. Thus, the bending force of the boot 101 is lower than that of the boot 1.
On pourrait également, pour modifier le module de flexion de la botte, changer le matériau des nervures, en utilisant par exemple du carbone au lieu d'un matériau plastique. La tige 104 de la botte 101 est sensiblement raccourcie par rapport à la tige 4 de la botte 1 dans la mesure où la protection pour la pratique du roller ne nécessite pas de couvrir une grande partie de la jambe.One could also, to modify the flexural modulus of the boot, change the material of the ribs, for example by using carbon instead of a plastic material. The rod 104 of the boot 101 is substantially shortened with respect to the rod 4 of the boot 1 insofar as the protection for the practice of roller skating does not require covering a large part of the leg.
Afin d'illustrer une variante de moyens de fixation 142, les trous de fixation ont été doublés par rapport aux moyens de fixation 42 et comprennent deux trous de fixation dans le corps 102, deux trous de fixation dans la tige 104 avec lesquels coïncident quatre trous correspondants respectivement 148a, 148b, 150a, 150b dans la structure 114. En outre, les deux rivets 52, 54 ont été remplacés par quatre boulons 152a, 152b, 154a, 154b permettant un remplacement plus facile de la structure 114. En alternative aux rivets et boulons, on pourrait prévoir des goupilles ou tout autre moyen remplissant la même fonction.In order to illustrate a variant of the fixing means 142, the fixing holes have been doubled with respect to the fixing means 42 and include two fixing holes in the body 102, two fixing holes in the rod 104 with which coincide four corresponding holes respectively 148a, 148b, 150a, 150b in the structure 114. In addition, the two rivets 52, 54 have been replaced by four bolts 152a, 152b, 154a, 154b allowing easier replacement of the structure 114. As an alternative to rivets and bolts, pins or any other means fulfilling the same function could be provided.
Bien entendu, une fois déterminés les moyens de fixation les plus satisfaisants, il est préférable de ne pas modifier le nombre de trous de fixation d'une botte à l'autre, pour que la substitution d'un dispositif d'articulation par tout autre dispositif soit possible.Of course, once the most satisfactory fixing means have been determined, it is preferable not to modify the number of fixing holes from one boot to the other, so that the substitution of an articulation device by any other device is possible.
La figure 11 illustre une structure d'articulation 214 parfaitement substituable à la structure 114 dans la mesure où elle comprend quatre trous de fixations 248a, 248b, 250a, 250b puisqu'ils coïncident parfaitement avec les trous de fixation dans le corps 102 et la tige 104.FIG. 11 illustrates an articulation structure 214 perfectly substitutable for the structure 114 insofar as it comprises four fixing holes 248a, 248b, 250a, 250b since they coincide perfectly with the fixing holes in the body 102 and the rod 104.
Cette structure d'articulation 214 se distingue essentiellementde la structure 114, outre sa section, en ce qu'elle comprend une nervure avant 216 distincte de la nervure arrière 218 et que ces nervures présentent sensiblement une forme de C. Bien entendu, les différents moyens de fixation décrits et les différentes structures décrites peuvent être combinées ensemble et utilisés avec chacune des bottes illustrées. This articulation structure 214 differs essentially from the structure 114, in addition to its section, in that it comprises a front rib 216 distinct from the rear rib 218 and that these ribs have substantially a C shape. Of course, the various means fasteners described and the different structures described can be combined together and used with each of the boots illustrated.

Claims

Revendications claims
1. Ensemble comprenant :1. Set including:
- un premier article chaussant (1), destiné à la pratique d'un premier sport, comprenant : • une première coque rigide définissant un corps (2) destiné à recevoir le pied d'un premier utilisateur et s'étendant suivant une direction d'allongement (8),- A first article of footwear (1), intended for the practice of a first sport, comprising: • a first rigid shell defining a body (2) intended to receive the foot of a first user and extending in a direction d '' elongation (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),A second rigid shell defining a rod (4) intended to receive the user's leg and extending substantially in an elevation direction (10),
• une articulation (6) reliant le corps et la tige présentant des caractéristiques de résistance mécanique déterminées,An articulation (6) connecting the body and the rod having determined mechanical resistance characteristics,
- un deuxième article chaussant (101), destiné également à la pratique d'un deuxième sport, comprenant : • une première coque rigide définissant un corps (102) destiné à recevoir le pied d'un deuxième utilisateur et s'étendant suivant une direction d'allongement (108),- A second article of footwear (101), also intended for the practice of a second sport, comprising: • a first rigid shell defining a body (102) intended to receive the foot of a second user and extending in a direction elongation (108),
• une deuxième coque rigide définissant une tige (104) destinée à recevoir la jambe de l'utilisateur et s'étendant sensiblement suivant une direction d'élévation (110),A second rigid shell defining a rod (104) intended to receive the user's leg and extending substantially in an elevation direction (110),
• une articulation (106) reliant le corps et la tige présentant des caractéristiques de résistance mécanique déterminées, caractérisé en ce que :• a joint (106) connecting the body and the rod having determined mechanical resistance characteristics, characterized in that:
- la première coque (2) du premier article chaussant (1) est sensiblement identique à la première coque (102) du deuxième article chaussant (101),the first shell (2) of the first footwear (1) is substantially identical to the first shell (102) of the second footwear (101),
- la deuxième coque (4) du premier article chaussant (1) et la deuxième coque (104) du deuxième article chaussant (101) sont similaires, - les caractéristiques mécaniques de l'articulation (6) du premier article chaussant (1) et les caractéristiques mécaniques de l'articulation (106) du deuxième article chaussant (101) sont sensiblement différentes, afin de correspondre aux différences physiologiques des premier et deuxième utilisateurs et/ ou des différences entre le premier et le deuxième sport.the second shell (4) of the first footwear (1) and the second shell (104) of the second footwear (101) are similar, - The mechanical characteristics of the articulation (6) of the first footwear (1) and the mechanical characteristics of the articulation (106) of the second footwear (101) are significantly different, in order to correspond to the physiological differences of the first and second users and / or differences between the first and second sport.
2. Ensemble selon la revendication 1, caractérisé en ce que la deuxième coque (4) du premier article chaussant (1) est sensiblement identique à la deuxième coque (104) du deuxième article chaussant (101).2. Assembly according to claim 1, characterized in that the second shell (4) of the first footwear (1) is substantially identical to the second shell (104) of the second footwear (101).
3. Ensemble selon la revendication 1 ou la revendication 2, caractérisé en ce que pour chaque article chaussant (1 ; 101), l'articulation (6 ; 106) est distincte de la première coque (2 ; 102) et de la deuxième coque (4 ; 104), et l'articulation (6) du premier article chaussant (1) est substituable à l'articulation (106) du deuxième article (101) chaussant et inversement.3. Assembly according to claim 1 or claim 2, characterized in that for each footwear item (1; 101), the articulation (6; 106) is distinct from the first shell (2; 102) and from the second shell (4; 104), and the articulation (6) of the first footwear item (1) is substitutable for the articulation (106) of the second footwear item (101) and vice versa.
4. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que l'articulation (6 ; 106) de chaque élément chaussant (1 ;4. Assembly according to any one of the preceding claims, characterized in that the articulation (6; 106) of each footwear element (1;
101) autorise la rotation de la tige par rapport au corps suivant deux axes de rotation (8, 12) sensiblement perpendiculaires entre eux et 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.101) authorizes the rotation of the rod relative to the body along two axes of rotation (8, 12) substantially perpendicular to each other and a translation of the axes of articulations relative to the body to bring the axes of rotation of the articulation substantially into concordance with the axes of rotation of the foot relative to the leg of the user.
5. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que :5. Assembly according to any one of the preceding claims, characterized in that:
- l'articulation du premier article chaussant et l'articulation du deuxième article chaussant comprennent chacun deux éléments élastiquement déformables (14, 14') disposés symétriquement par rapport à la direction d'élévation (10),- the articulation of the first footwear and the articulation of the second footwear each comprise two elastically deformable elements (14, 14 ') arranged symmetrically with respect to the direction of elevation (10),
- chaque élément élastiquement déformable comprend deux nervures (16, 18 ; 116, 118 ; 216, 218) sensiblement incurvées disposées en opposition. - Each elastically deformable element comprises two ribs (16, 18; 116, 118; 216, 218) substantially curved arranged in opposition.
6. Ensemble selon la revendication 5, caractérisé en ce que les nervures (16, 18) du premier article chaussant (1) et les nervures (116, 118) du deuxième article (101) chaussant sont réalisées dans des matériaux différents.6. An assembly according to claim 5, characterized in that the ribs (16, 18) of the first footwear item (1) and the ribs (116, 118) of the second footwear item (101) are made of different materials.
7. Ensemble selon la revendication 5 ou la revendication 6, caractérisé en ce que les nervures (16, 18) du premier article chaussant (1) et les nervures (116, 118) du deuxième article chaussant (101) sont de sections différentes (E, e).7. An assembly according to claim 5 or claim 6, characterized in that the ribs (16, 18) of the first footwear (1) and the ribs (116, 118) of the second footwear (101) are of different sections ( E, e).
8. Ensemble selon l'une quelconque des revendications 5 à 7, caractérisé en ce que pour chaque article chaussant les deux éléments élastiquement déformables (14, 14') présentent des caractéristiques mécaniques différentes.8. An assembly according to any one of claims 5 to 7, characterized in that for each article of footwear the two elastically deformable elements (14, 14 ') have different mechanical characteristics.
9. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que :9. Assembly according to any one of the preceding claims, characterized in that:
- la direction d'élévation et la direction d'allongement de chaque article chaussant définissent un plan médian,- the direction of elevation and the direction of elongation of each footwear item define a median plane,
- chaque article chaussant comprend des butées pour limiter l'amplitude de rotation (ai, α2) dans le plan médian à une valeur comprise entre 50 degrés et 60 degrés.- Each footwear item includes stops to limit the amplitude of rotation (ai, α 2 ) in the median plane to a value between 50 degrees and 60 degrees.
10. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que chaque article chaussant comprend 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.10. Assembly according to any one of the preceding claims, characterized in that each footwear item includes stops to limit the amplitude of rotation (θi, θ 2 ) in the direction of elongation to a value between 25 degrees and 35 degrees.
11. Ensemble selon l'une quelconque des revendications précédentes, caractérisé en ce que l'amplitude de translation des axes d'articulation de chaque article chaussant par rapport au corps est comprise entre 5 millimètres et 15 millimètres. 11. Assembly according to any one of the preceding claims, characterized in that the amplitude of translation of the axes of articulation of each footwear item relative to the body is between 5 millimeters and 15 millimeters.
EP03789484A 2002-11-27 2003-11-24 Set comprising two articulated boots having different mechanical properties Expired - Lifetime EP1565081B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FR0214902 2002-11-27
FR0214902A FR2847432B1 (en) 2002-11-27 2002-11-27 ASSEMBLY COMPRISING TWO ARTICULATED BOOTS HAVING DIFFERENT MECHANICAL CHARACTERISTICS
PCT/FR2003/003469 WO2004049851A1 (en) 2002-11-27 2003-11-24 Set comprising two articulated boots having different mechanical properties

Publications (2)

Publication Number Publication Date
EP1565081A1 true EP1565081A1 (en) 2005-08-24
EP1565081B1 EP1565081B1 (en) 2006-08-16

Family

ID=32241686

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Application Number Title Priority Date Filing Date
EP03789484A Expired - Lifetime EP1565081B1 (en) 2002-11-27 2003-11-24 Set comprising two articulated boots having different mechanical properties

Country Status (8)

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US (1) US7406782B2 (en)
EP (1) EP1565081B1 (en)
AT (1) ATE336183T1 (en)
AU (1) AU2003294067A1 (en)
DE (1) DE60307671T2 (en)
ES (1) ES2271685T3 (en)
FR (1) FR2847432B1 (en)
WO (1) WO2004049851A1 (en)

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US9155351B2 (en) * 2007-11-06 2015-10-13 Black Diamond Equipment, Ltd. Selectable boot articulation system
US8438757B2 (en) * 2009-06-23 2013-05-14 Mark Costin Roser Human locomotion assisting shoe
FR2955232B1 (en) * 2010-01-20 2012-03-02 Vitesse Sarl ARTICLE FOOTWEAR TYPE MOTO BOOT
EP2430933B1 (en) * 2010-09-21 2019-01-23 Tom Rass Ski jumping boot and binding system comprising a jumping boot and a ski binding
ITMI20131363A1 (en) * 2013-08-08 2015-02-09 Alberto Barozzi SPORTS AND ORTHOPEDIC SHOES WITH RELATIVE ARTICULATION DEVICE INSOLE / UPPER
ITTV20130151A1 (en) * 2013-09-27 2015-03-28 Alpinestars Res Srl PROTECTION DEVICE FOR LOWER ARMS OF THE HUMAN BODY
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Also Published As

Publication number Publication date
FR2847432B1 (en) 2005-02-11
US7406782B2 (en) 2008-08-05
ATE336183T1 (en) 2006-09-15
ES2271685T3 (en) 2007-04-16
WO2004049851A1 (en) 2004-06-17
FR2847432A1 (en) 2004-05-28
US20060005430A1 (en) 2006-01-12
EP1565081B1 (en) 2006-08-16
DE60307671D1 (en) 2006-09-28
AU2003294067A1 (en) 2004-06-23
DE60307671T2 (en) 2007-09-06

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