EP1641363B1 - Footwear article with limited rotational movement and damped end of course - Google Patents

Footwear article with limited rotational movement and damped end of course Download PDF

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Publication number
EP1641363B1
EP1641363B1 EP04767389A EP04767389A EP1641363B1 EP 1641363 B1 EP1641363 B1 EP 1641363B1 EP 04767389 A EP04767389 A EP 04767389A EP 04767389 A EP04767389 A EP 04767389A EP 1641363 B1 EP1641363 B1 EP 1641363B1
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EP
European Patent Office
Prior art keywords
rotation range
transverse direction
item
rotation
degrees
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.)
Not-in-force
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EP04767389A
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German (de)
French (fr)
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EP1641363A1 (en
Inventor
Gérard VALAT
Cédric Ragot
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Random Design
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Random Design
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Not-in-force legal-status Critical Current

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    • 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0405—Linings, paddings or insertions; Inner boots
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/0452—Adjustment of the forward inclination of the boot leg
    • A43B5/0454—Adjustment of the forward inclination of the boot leg including flex control; Dampening means
    • A43B5/046—Adjustment of the forward inclination of the boot leg including flex control; Dampening means with the actuator being disposed at the lateral or medial side of the boot
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/18—Joint supports, e.g. instep supports
    • A43B7/20—Ankle-joint supports or holders

Definitions

  • the present invention relates to an article of footwear for the practice of a sport.
  • the extreme range of rotation in the transverse direction extends over 50 degrees to 70 degrees and the normal range of Rotation in the transverse direction extends 30 degrees to 50 degrees and is substantially centered with respect to the extreme range of rotation.
  • the normal range of rotation is sufficiently wide so that the user can freely flex the ankle in normal use of the article of footwear.
  • the "angular race” remaining to stop progressively the rotation movement before the risk of injury and the abutment is certainly reduced, but it is sufficient for a number of sports that do not require extreme protection.
  • the damping means comprise a flexible blade having a first end connected to one of the two shells and a second end moving freely in the normal range of rotation and abutting on the other shell between the normal range of rotation and the extreme range of rotation.
  • the flexible blade is bonded to said shell near the joint. This achievement offers a good comfort to the user.
  • the flexible blade has a curved portion extending around the hinge, which makes it easy to bind the flexible blade to the hull.
  • Figures 1 to 4 illustrate a boot 1 comprising a body 2 for receiving the foot of a user in the lower part, a rod 4 for receiving the leg of a user in the upper part, an inner liner 3 extending to inside the rod 4 and the body 2, a hinge device 6 connecting the rod 4 to the body 2 in the intermediate part, stop means 32, 34 and damper means 14.
  • the inner lining 3 is relatively flexible. It is advantageously made of traditional shoemaking, leather or synthetic material and ensures the comfort of the user.
  • the body 2 and the rod 4 in combination with the hinge device 6 provide protection for the user.
  • the body 2 and the rod 4 each comprise a relatively rigid shell, advantageously made of plastic material, intended to protect the lower limbs of the user. These shells can be locally perforated.
  • 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.
  • 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 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 6 ensures the rotation of the rod 4 relative to the body 2 in the transverse direction 12. It comprises two pivot pins 24, 26 arranged substantially symmetrically with respect to the plane P and extending in the transverse direction 12 through the body 2 and the rod 4.
  • the stop means 32, 34 comprise bending stop means 32 and extension stop means 34.
  • the bending stop means 32 and the extension stop means 34 each comprise a first part 32a. 34a connected to the body and a second portion 32b, 34b connected to the rod 4, said first and second portions of the stop means in flexion and extension abutting against each other to stop the rotation of the rod 4 relative to the body 2 in the transverse direction 12, respectively in flexion and extension.
  • the damping means 14 consist of two elastically deformable blades 16, 18 connected to the rod 4 each moving inside a housing 28 formed in the body 2 and defined by a bending stop surface 20, a surface pronation / supination stop 21 and an extended stop surface 22.
  • the housings 28 and in particular their flexion, pronation / supination, and extensional stop surfaces 22 are arranged substantially symmetrically with respect to the plane P.
  • the two deformable blades 16, 18 are integrated in a damping element 30, in one piece, of elastically deformable material, and further comprising a connecting element 36 holding said deformable blades relative to the rod 4.
  • the damping element 30 is also substantially symmetrical with respect to the median plane P.
  • the deformable blades 16 extend towards the axis of articulation and substantially in the direction of elevation. They each comprise a free end 16a, 18a and an end 16b, 18b linked to the connecting element 36.
  • the connecting element 36 has a substantially U-shaped shape comprising two branches 40a, 40b extending substantially in the direction d the elongation 8 interconnected by a base 42 extending substantially in the transverse direction 12.
  • the base 42 includes a retaining pin 38 inserted into the rod 4 in the direction of elongation 8, while the branches 40a, 40b each end with a curved portion 44a, 44b, substantially circular, extending in the transverse direction 12 about the pivots 24, 26, under the enlarged head of said pivots 24, 26.
  • the connecting member 36 and the end 16b, 18b of the flexible blades connected to the curved portions 44a, 44b are thus perfectly maintained relative to the rod 4 via the curved portions 44a, 44b and the retaining pin 38.
  • the elem The damper 30 can be easily disassembled and replaced by deforming the curved portions 44a, 44b. To avoid unintended disassembly and to protect it, the blades 16, 18 will advantageously be maintained in the housing 28 behind a cover (not shown).
  • the amplitude ⁇ 1 of the free bending movement allowed by the articulation device 6, without deformation of the flexible blades 16, 18 is approximately 20 degrees with respect to the initial position represented in FIG. Figure 1. Then, on an extreme flexion amplitude of about 5 additional degrees, the flexible blades 16, 18, by deforming in bending, oppose the continuation of the bending movement and thus dampen a possible shock on the means bending stop 32.
  • the amplitude ⁇ 2 of the free extension movement authorized by the articulation device 6 is approximately 25 degrees with respect to the initial position represented in FIG. Extreme extension of about 5 additional degrees, the flexible blades 16, 18, deforming in bending, oppose the continuation of the extension movement and thus dampen any impact on the stop means 34.
  • the extent of normal rotation allowing the user to move his ankle effortlessly in the transverse direction 12 is therefore substantially 45 degrees. It is advantageously between 30 and 50 degrees, while the extreme range of rotation between the abutment against the bending stop means 32 and the abutment against the extension stop means 34 is substantially centered on the normal rotation and advantageously between 50 degrees and 70 degrees.
  • the flexible blades 16, 18 advantageously act on a range of rotation of between 5 degrees and 20 degrees, both during the bending movement and during the extension movement of the ankle.
  • the embodiment illustrated in Figures 1 to 4 allows a rotation of the rod 4 relative to the body 2 in the direction of elongation 8, to allow pronation / supination of the ankle.
  • the passages formed in the body 2 and traversed by the pivots have an oblong shape extending in the direction of elevation. 10. Slight translational movements in the elevation direction between the shaft 4 and the body 2 are also possible to follow the movement of the malleolus of the user.
  • the amplitude of each of the free pronation and supination movements is about 10 degrees (ie a pronation / supination free amplitude of about 20 degrees) and it is still advantageously possible to rotate in the direction of elongation of about 5 degrees before reaching abutment along this direction of articulation.
  • FIG. 6 illustrates a boot 1 'differing essentially from the embodiment illustrated in FIGS. 1 to 4 in that the rod 4 can pivot only in the transverse direction and in that it comprises only a single flexible blade 16' .

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Walking Sticks, Umbrellas, And Fans (AREA)

Abstract

The footwear has a damping unit (14) presenting an inactive state when a rigid rod (4) and a body are displaced with respect to each other within a normal range of rotation. The rod and body are non null and strictly enclosed in an extreme range of rotation. The damping unit is active only when the rod and the body are displaced relative each other between the normal and extreme ranges of rotation.

Description

La présente invention a pour objet un article chaussant destiné à la pratique d'un sport.The present invention relates to an article of footwear for the practice of a sport.

Il est particulièrement adapté à la protection d'un utilisateur pratiquant des sports motorisés et plus particulièrement de la moto. Toutefois, il peut également s'avérer avantageux pour pratiquer le snowboard, le vélo tout terrain, le jet ski ou la randonnée notamment.It is particularly suitable for the protection of a user practicing motorized sports and more particularly the motorcycle. However, it can also be advantageous for snowboarding, mountain biking, jet skiing or hiking.

WO-A-01 35781 décrit un article chaussant de ce type, et plus particulièrement une botte de moto comprenant :

  • une première coque rigide définissant un corps destiné à recevoir le pied d'un utilisateur et s'étendant suivant une direction d'allongement,
  • une deuxième coque rigide définissant une tige destinée à recevoir la jambe de l'utilisateur et s'étendant sensiblement suivant une direction d'élévation,
  • une articulation reliant le corps et la tige, ladite articulation autorisant la rotation de la tige par rapport au corps suivant une direction transversale sensiblement perpendiculaire à la direction d'allongement et à la direction d'élévation, afin de permettre la flexion du pied de l'utilisateur,
  • des moyens d'arrêt comprenant un premier élément lié au corps et un deuxième élément lié à la tige venant au contact l'un de l'autre pour limiter la rotation de la tige par rapport au corps suivant la direction transversale à l'intérieur d'une gamme extrême de rotation,
  • des moyens amortisseurs générant un couple suivant la direction transversale s'opposant au rapprochement des premier et deuxième éléments d'arrêt.
    Cet article s'avère robuste et protège efficacement l'utilisateur. Toutefois, il est parfois souhaitable de proposer un article plus simple, plus léger et procurant davantage de confort à l'usage.
    Par ailleurs, US-A-5 909 885 décrit un patin à roulettes muni d'un dispositif d'énergisation se distinguant WO-A-01 35781 en ce que
  • les moyens d'arrêt comportent :
    • des premiers moyens d'arrêt comprenant un premier élément lié au corps et un deuxième élément lié à la tige venant au contact l'un de l'autre pour limiter la rotation de la tige par rapport au corps suivant la direction transversale dans un premier sens de rotation,
    • des seconds moyens d'arrêt comprenant un premier élément lié au corps et un deuxième élément lié à la tige venant au contact l'un de l'autre pour limiter la rotation de la tige par rapport au corps suivant la direction transversale dans un deuxième sens de rotation opposé au premier sens de rotation,
  • les moyens amortisseurs comprennent :
    • des premiers moyens amortisseurs générant un couple suivant la direction transversale s'opposant au rapprochement des premier et deuxième éléments d'arrêt des premiers moyens d'arrêt, et
    • des seconds moyens amortisseurs générant un couple suivant la direction transversale s'opposant au rapprochement des premier et deuxième éléments d'arrêt des seconds moyens d'arrêt.
WO-A-01 35781 describes an article of footwear of this type, and more particularly a motorcycle boot comprising:
  • a first rigid shell defining a body for receiving 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,
  • a hinge connecting the body and the rod, said hinge permitting the rotation of the rod relative to the body in a transverse direction substantially perpendicular to the direction of elongation and the direction of elevation, to allow flexion of the foot of the 'user,
  • stop means comprising a first body-connected member and a second rod-connected member engaging each other to limit rotation of the rod relative to the body in the transverse direction within the body; an extreme range of rotation,
  • damping means generating a torque in the transverse direction opposing the approximation of the first and second stop elements.
    This article proves robust and protects the user effectively. However, it is sometimes desirable to provide a simpler article, lighter and providing more comfort to use.
    Otherwise, US-A-5,909,885 describes a roller skate equipped with an energizing device distinguishing WO-A-01 35781 in that
  • the stop means comprise:
    • first stop means comprising a first member connected to the body and a second member connected to the rod contacting each other to limit the rotation of the rod relative to the body in the transverse direction in a first direction of rotation,
    • second stop means comprising a first member connected to the body and a second member connected to the rod contacting each other to limit the rotation of the rod relative to the body in the transverse direction in a second direction rotation opposite the first direction of rotation,
  • the damping means comprise:
    • first damping means generating a torque in the transverse direction opposing the bringing together of the first and second stop elements of the first stop means, and
    • second damping means generating a torque in the transverse direction opposing the approximation of the first and second stop elements of the second stop means.

Toutefois, ces caractéristiques visent à améliorer l'efficacité du patinage et non la protection du bas de la jambe, en particulier la cheville, de l'utilisateur.However, these features are aimed at improving the efficiency of skating and not the protection of the lower leg, especially the ankle, of the user.

Afin que l'article chaussant soit confortable tout en protégeant efficacement l'utilisateur contre des risques de lésions, conformément à l'invention, la gamme extrême de rotation suivant la direction transversale s'étend sur 50 degrés à 70 degrés et la gamme normale de rotation suivant la direction transversale s'étend sur 30 degrés à 50 degrés et est sensiblement centrée par rapport à la gamme extrême de rotation.So that the article of footwear is comfortable while effectively protecting the user against risks of injury, according to the invention, the extreme range of rotation in the transverse direction extends over 50 degrees to 70 degrees and the normal range of Rotation in the transverse direction extends 30 degrees to 50 degrees and is substantially centered with respect to the extreme range of rotation.

Ainsi, la gamme normale de rotation est suffisamment étendue pour que l'utilisateur puisse librement fléchir la cheville dans une utilisation normale de l'article chaussant. La "course angulaire" restante pour arrêter progressivement le mouvement de rotation avant le risque de lésion et l'arrivée en butée est certes réduite, mais elle s'avère suffisante pour un certain nombre de sports ne nécessitant pas une protection extrême.Thus, the normal range of rotation is sufficiently wide so that the user can freely flex the ankle in normal use of the article of footwear. The "angular race" remaining to stop progressively the rotation movement before the risk of injury and the abutment is certainly reduced, but it is sufficient for a number of sports that do not require extreme protection.

Avantageusement, les moyens amortisseurs comprennent une lame flexible présentant une première extrémité liée à l'une des deux coques et une deuxième extrémité se déplaçant librement dans la gamme normale de rotation et venant en butée sur l'autre coque entre la gamme normale de rotation et la gamme extrême de rotation.Advantageously, the damping means comprise a flexible blade having a first end connected to one of the two shells and a second end moving freely in the normal range of rotation and abutting on the other shell between the normal range of rotation and the extreme range of rotation.

Cette réalisation est simple et procure une bonne robustesse pour un coût modéré.This achievement is simple and provides good robustness for a moderate cost.

Conformément à une autre caractéristique de l'invention, la lame flexible est liée à ladite coque à proximité de l'articulation. Cette réalisation offre un bon confort à l'utilisateur.According to another characteristic of the invention, the flexible blade is bonded to said shell near the joint. This achievement offers a good comfort to the user.

De préférence, la lame flexible présente une partie incurvée s'étendant autour de l'articulation, ce qui permet de lier aisément la lame flexible à la coque.Preferably, the flexible blade has a curved portion extending around the hinge, which makes it easy to bind the flexible blade to the hull.

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,
  • la figure 2 illustre la botte de la figure 1 en position de flexion,
  • la figure 3 illustre la botte de la figure 1 en position d'extension,
  • la figure 4 est une demi-vue en coupe suivant la flèche repérée IV-IV à la figure 1, en position repos,
  • la figure 5 est une vue en perspective d'un élément amortisseur conforme à l'invention,
  • la figure 6 illustre une variante de botte conforme à l'invention.
The invention will appear even more clearly in the description which follows, made with reference to the appended drawings in which:
  • FIG. 1 illustrates a motorcycle boot according to the invention in the rest position,
  • 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 half-sectional view along the arrow marked IV-IV in FIG. 1, in the rest position,
  • FIG. 5 is a perspective view of a damping element according to the invention,
  • FIG. 6 illustrates a variant of boot according to the invention.

Les figures 1 à 4 illustrent une botte 1 comprenant un corps 2 destiné à recevoir le pied d'un utilisateur en partie inférieure, une tige 4 destinée à recevoir la jambe d'un utilisateur en partie supérieure, une doublure intérieure 3 s'étendant à l'intérieur de la tige 4 et du corps 2, un dispositif d'articulation 6 reliant la tige 4 au corps 2 en partie intermédiaire, des moyens d'arrêt 32, 34 et des moyens amortisseur 14.Figures 1 to 4 illustrate a boot 1 comprising a body 2 for receiving the foot of a user in the lower part, a rod 4 for receiving the leg of a user in the upper part, an inner liner 3 extending to inside the rod 4 and the body 2, a hinge device 6 connecting the rod 4 to the body 2 in the intermediate part, stop means 32, 34 and damper means 14.

La doublure -intérieure 3 est relativement souple. Elle est avantageusement réalisée en cordonnerie traditionnelle, en cuir ou en matériau synthétique et assure le confort de l'utilisateur. Le corps 2 et la tige 4 en combinaison avec le dispositif d'articulation 6 assurent la protection de l'utilisateur. Le corps 2 et la tige 4 comprennent chacun une coque relativement rigide, avantageusement réalisée en matériau plastique, destinée à protéger les membres inférieurs de l'utilisateur. Ces coques peuvent être localement ajourées. 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 inner lining 3 is relatively flexible. It is advantageously made of traditional shoemaking, leather or synthetic material and ensures the comfort of the user. The body 2 and the rod 4 in combination with the hinge device 6 provide protection for the user. The body 2 and the rod 4 each comprise a relatively rigid shell, advantageously made of plastic material, intended to protect the lower limbs of the user. These shells can be locally perforated. 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 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 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 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 6 assure la rotation de la tige 4 par rapport au corps 2 suivant la direction transversale 12. Il comprend deux pivots d'articulation 24, 26 disposés sensiblement symétriquement par rapport au plan P et s'étendant suivant la direction transversale 12 à travers le corps 2 et la tige 4.The hinge device 6 ensures the rotation of the rod 4 relative to the body 2 in the transverse direction 12. It comprises two pivot pins 24, 26 arranged substantially symmetrically with respect to the plane P and extending in the transverse direction 12 through the body 2 and the rod 4.

Les moyens d'arrêt 32, 34 comprennent des moyens d'arrêt en flexion 32 et des moyens d'arrêt en extension 34. Les moyens d'arrêt en flexion 32 et les moyens d'arrêt en extension 34 comprennent chacun une première partie 32a, 34a liée au corps et une deuxième partie 32b, 34b liée à la tige 4, lesdites première et deuxième parties des moyens d'arrêt en flexion et en extension venant en butée l'une contre l'autre pour arrêter la rotation de la tige 4 par rapport au corps 2 suivant la direction transversale 12, respectivement en flexion et en extension.The stop means 32, 34 comprise bending stop means 32 and extension stop means 34. The bending stop means 32 and the extension stop means 34 each comprise a first part 32a. 34a connected to the body and a second portion 32b, 34b connected to the rod 4, said first and second portions of the stop means in flexion and extension abutting against each other to stop the rotation of the rod 4 relative to the body 2 in the transverse direction 12, respectively in flexion and extension.

Les moyens amortisseurs 14 sont constitués de deux lames élastiquement déformables 16, 18 liées à la tige 4 se déplaçant chacune à l'intérieur d'un logement 28 ménagé dans le corps 2 et délimité par une surface d'arrêt en flexion 20, une surface d'arrêt en pronation/supination 21 et une surface d'arrêt en extension 22. Les logements 28 et en particulier leurs surfaces d'arrêt en flexion 20, en pronation/supination 21 et en extension 22 sont disposés sensiblement symétriquement par rapport au plan P.The damping means 14 consist of two elastically deformable blades 16, 18 connected to the rod 4 each moving inside a housing 28 formed in the body 2 and defined by a bending stop surface 20, a surface pronation / supination stop 21 and an extended stop surface 22. The housings 28 and in particular their flexion, pronation / supination, and extensional stop surfaces 22 are arranged substantially symmetrically with respect to the plane P.

Les deux lames déformables 16, 18 sont intégrées à un élément amortisseur 30, monobloc, en matériau élastiquement déformable, et comprenant en outre un élément de liaison 36 maintenant lesdites lames déformables par rapport à la tige 4. L'élément amortisseur 30 est lui aussi sensiblement symétrique par rapport au plan médian P.The two deformable blades 16, 18 are integrated in a damping element 30, in one piece, of elastically deformable material, and further comprising a connecting element 36 holding said deformable blades relative to the rod 4. The damping element 30 is also substantially symmetrical with respect to the median plane P.

Les lames déformables 16 s'étendent en direction de l'axe d'articulation et sensiblement suivant la direction d'élévation. Elles comprennent chacune une extrémité libre 16a, 18a et une extrémité 16b, 18b liée à l'élément de liaison 36. L'élément de liaison 36 présente une forme sensiblement en U comprenant deux branches 40a, 40b s'étendant sensiblement suivant la direction d'allongement 8 reliées entre elles par une base 42 s'étendant sensiblement suivant la direction transversale 12. La base 42 intègre un téton de retenue 38 s'insérant dans la tige 4 suivant la direction d'allongement 8, tandis que les branches 40a, 40b se terminent chacune par une portion incurvée 44a, 44b, sensiblement circulaire, s'étendant suivant la direction transversale 12 autour des pivots 24, 26, sous la tête renflée desdits pivots 24, 26. L'élément de liaison 36 et l'extrémité 16b, 18b des lames flexibles reliées aux portions incurvées 44a, 44b sont ainsi parfaitement maintenues par rapport à la tige 4 par l'intermédiaire des portions incurvées 44a, 44b et du téton de retenue 38. De plus, l'élément amortisseur 30 peut être aisément démonté et remplacé en déformant les portions incurvées 44a, 44b. Pour éviter, son démontage inopiné et pour le protéger, les lames 16, 18 seront avantageusement maintenues dans les logements 28 derrière un cache (non représenté).The deformable blades 16 extend towards the axis of articulation and substantially in the direction of elevation. They each comprise a free end 16a, 18a and an end 16b, 18b linked to the connecting element 36. The connecting element 36 has a substantially U-shaped shape comprising two branches 40a, 40b extending substantially in the direction d the elongation 8 interconnected by a base 42 extending substantially in the transverse direction 12. The base 42 includes a retaining pin 38 inserted into the rod 4 in the direction of elongation 8, while the branches 40a, 40b each end with a curved portion 44a, 44b, substantially circular, extending in the transverse direction 12 about the pivots 24, 26, under the enlarged head of said pivots 24, 26. The connecting member 36 and the end 16b, 18b of the flexible blades connected to the curved portions 44a, 44b are thus perfectly maintained relative to the rod 4 via the curved portions 44a, 44b and the retaining pin 38. In addition, the elem The damper 30 can be easily disassembled and replaced by deforming the curved portions 44a, 44b. To avoid unintended disassembly and to protect it, the blades 16, 18 will advantageously be maintained in the housing 28 behind a cover (not shown).

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 lames 16, 18 se déplacent librement dans les logements 28, jusqu'à ce que l'extrémité libre 16a, 18a des lames 16, 18 viennent au contact des surfaces d'arrêt en flexion 20 des logements 28. Les lames 16, 18 se déforment ensuite progressivement en flexion suivant la direction transversale 12 jusqu'à ce que les deux parties 32a, 32b des moyens d'arrêt en flexion 32 viennent au contact l'une de l'autre.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 about the pivots 24, 26, the blades 16, 18 move freely in the housings 28, until the free end 16a, 18a of the blades 16, 18 come into contact with the bending stop surfaces 20 of the housings 28. The blades 16, 18 then deform gradually in flexion according to the transverse direction 12 until the two parts 32a, 32b of the bending stop means 32 come into contact with one another.

Tel que repéré à la figure 2, l'amplitude α1 du mouvement de flexion libre autorisé par le dispositif d'articulation 6, sans déformation des lames flexibles 16, 18 est d'environ 20 degrés par rapport à la position initiale représentée à la figure 1. Puis, sur une amplitude de flexion extrême d'environ 5 degrés supplémentaires, les lames flexibles 16, 18, en se déformant en flexion, s'opposent à la poursuite du mouvement de flexion et amortissent ainsi un éventuel choc sur les moyens d'arrêt en flexion 32.As shown in FIG. 2, the amplitude α 1 of the free bending movement allowed by the articulation device 6, without deformation of the flexible blades 16, 18 is approximately 20 degrees with respect to the initial position represented in FIG. Figure 1. Then, on an extreme flexion amplitude of about 5 additional degrees, the flexible blades 16, 18, by deforming in bending, oppose the continuation of the bending movement and thus dampen a possible shock on the means bending stop 32.

Inversement, tel qu'illustré aux figures 1 et 3, lors d'un mouvement d'extension de la cheville d'un utilisateur autour de la direction transversale 12, la tige 4 pivote autour des pivots 24, 26, les lames 16, 18 se déplacent librement dans les logements 28, jusqu'à ce que l'extrémité libre 16a, 18a des lames 16, 18 viennent au contact des surfaces d'arrêt en extension 22 des logements 28. Les lames 16, 18 se déforment ensuite progressivement en flexion suivant la direction transversale 12 jusqu'à ce que les deux parties 34a, 34b des moyens d'arrêt en extension 34 viennent au contact l'une de l'autre.Conversely, as illustrated in FIGS. 1 and 3, during an extension movement of a user's ankle around the transverse direction 12, the rod 4 pivots around the pivots 24, 26, the blades 16, 18 move freely in the housing 28, until the free end 16a, 18a of the blades 16, 18 come into contact with the extended stop surfaces 22 of the housing 28. The blades 16, 18 then deform gradually into bending in the transverse direction 12 until the two portions 34a, 34b of the extension stop means 34 come into contact with each other.

Tel que repéré à la figure 3, l'amplitude α2 du mouvement d'extension libre autorisé par le dispositif d'articulation 6 est d'environ 25 degrés par rapport à la position initiale représentée à la figure 1. Puis sur une amplitude d'extension extrême d'environ 5 degrés supplémentaires, les lames flexibles 16, 18, en se déformant en flexion, s'opposent à la poursuite du mouvement d'extension et amortissent ainsi un éventuel choc sur les moyens d'arrêt en extension 34.As shown in FIG. 3, the amplitude α 2 of the free extension movement authorized by the articulation device 6 is approximately 25 degrees with respect to the initial position represented in FIG. Extreme extension of about 5 additional degrees, the flexible blades 16, 18, deforming in bending, oppose the continuation of the extension movement and thus dampen any impact on the stop means 34.

L'étendue de la rotation normale permettant à l'utilisateur de bouger sa cheville sans effort suivant la direction transversale 12 est donc sensiblement de 45 degrés. Elle est avantageusement comprise entre 30 et 50 degrés, tandis que l'étendue de rotation extrême entre la butée contre les moyens d'arrêt en flexion 32 et la butée contre les moyens d'arrêt en extension 34 est sensiblement centrée sur la rotation normale et avantageusement comprise entre 50 degrés et 70 degrés. En outre, les lames flexibles 16, 18 agissent avantageusement sur une gamme de rotation comprise entre 5 degrés et 20 degrés, tant lors du mouvement de flexion que lors du mouvement d'extension de la cheville.The extent of normal rotation allowing the user to move his ankle effortlessly in the transverse direction 12 is therefore substantially 45 degrees. It is advantageously between 30 and 50 degrees, while the extreme range of rotation between the abutment against the bending stop means 32 and the abutment against the extension stop means 34 is substantially centered on the normal rotation and advantageously between 50 degrees and 70 degrees. In addition, the flexible blades 16, 18 advantageously act on a range of rotation of between 5 degrees and 20 degrees, both during the bending movement and during the extension movement of the ankle.

Par ailleurs, la réalisation illustrée aux figures 1 à 4 autorise une rotation de la tige 4 par rapport au corps 2 suivant la direction d'allongement 8, afin de permettre la pronation/supination de la cheville. Pour ce faire, tel qu'illustré à la figure 4 (la demi-vue non représentée est sensiblement symétrique), les passages ménagés 46 dans le corps 2 et traversés par les pivots présentent une forme oblongue s'étendant suivant la direction d'élévation 10. De légers mouvements de translation suivant la direction d'élévation 10 entre la tige 4 et le corps 2 sont également possibles pour suivre le mouvement de la malléole de l'utilisateur.Furthermore, the embodiment illustrated in Figures 1 to 4 allows a rotation of the rod 4 relative to the body 2 in the direction of elongation 8, to allow pronation / supination of the ankle. To do this, as shown in FIG. 4 (the half-view not shown is substantially symmetrical), the passages formed in the body 2 and traversed by the pivots have an oblong shape extending in the direction of elevation. 10. Slight translational movements in the elevation direction between the shaft 4 and the body 2 are also possible to follow the movement of the malleolus of the user.

Lors d'un mouvement de pronation/supination de la cheville d'un utilisateur autour de la direction d'allongement 8, les pivots 24, 26 coulissent librement dans les trous oblongs 46 jusqu'à ce que l'extrémité libre 16a, 18a des lames 16, 18 viennent au contact des surfaces d'arrêt en pronation/supination 21 des logements 28. Les lames 16, 18 sont ensuite progressivement comprimées pour amortir le mouvement jusqu'à ce que les pivots 24, 26 arrivent en butée dans les trous oblongs 46.During a pronation / supination movement of a user's ankle around the elongation direction 8, the pivots 24, 26 slide freely in the oblong holes 46 until the free end 16a, 18a of the blades 16, 18 come into contact with the stop surfaces in pronation / supination 21 of the housing 28. The blades 16, 18 are then gradually compressed to dampen the movement until the pivots 24, 26 abut in the holes oblong 46.

L'amplitude de chacun des mouvements libres de pronation et de supination est d'environ 10 degrés (soit une amplitude libre de pronation/supination d'environ 20 degrés) et il est avantageusement encore possible d'effectuer une rotation suivant la direction d'allongement d'environ 5 degrés avant d'arriver en butée suivant cette direction d'articulation.The amplitude of each of the free pronation and supination movements is about 10 degrees (ie a pronation / supination free amplitude of about 20 degrees) and it is still advantageously possible to rotate in the direction of elongation of about 5 degrees before reaching abutment along this direction of articulation.

La figure 6 illustre une botte 1' se distinguant essentiellement de la réalisation illustrée aux figures 1 à 4 en ce que la tige 4 ne peut pivoter que suivant la direction transversale et en ce qu'elle ne comprend qu'une seule lame flexible 16'.FIG. 6 illustrates a boot 1 'differing essentially from the embodiment illustrated in FIGS. 1 to 4 in that the rod 4 can pivot only in the transverse direction and in that it comprises only a single flexible blade 16' .

L'absence de translation et de rotation suivant la direction d'élévation 10 et de rotation suivant la direction d'allongement 8 est dû à la présence de trous circulaires à la place des trous oblongs dans le corps 2 à travers lesquels passent les pivots 24.The absence of translation and rotation in the direction of elevation and rotation in the direction of elongation 8 is due to the presence of circular holes in place of the oblong holes in the body 2 through which the pivots 24 pass. .

Il n'est alors pas nécessaire de prévoir une deuxième lame flexible dans la mesure où la lame flexible 16' présente des caractéristiques suffisantes.It is then not necessary to provide a second flexible blade in that the flexible blade 16 'has sufficient characteristics.

Claims (7)

  1. Item of footwear (1), which is intended for sporting use, in particular motorcycling, comprising:
    - a first rigid shell which defines a body (2) which is intended to receive the foot of a user and which extends in an extension direction (8),
    - a second rigid shell which defines an upper (4) which is intended to receive the leg of the user and which extends substantially in an upright direction (10),
    - an articulation (6) which connects the body and the upper, said articulation allowing the upper to rotate relative to the body in a transverse direction (12) which is substantially perpendicular to the extension direction (8) and the upright direction (10), in order to allow flexion of the foot of the user,
    - stop means for limiting the rotation of the upper (4) relative to the body (2) in the transverse direction (12) within a maximum rotation range, said stop means comprising:
    • first stop means comprising a first element (32a) which is connected to the body and a second element (32b) which is connected to the upper, one coming into contact with the other in order to limit the rotation of the upper (4) relative to the body (2) in the transverse direction (12) in a first rotation direction,
    • second stop means comprising a first element (34a) which is connected to the body and a second element (34b) which is connected to the upper, one coming into contact with the other in order to limit the rotation of the upper (4) relative to the body (2) in the transverse direction (12) in a second rotation direction counter to the first rotation direction,
    - damping means (14) having an inactive state when the upper and the body move relative to each other within a normal rotation range, which is not zero and which is strictly included within the maximum rotation range, so that the damping means are active only when the upper and the body move relative to each other between the normal rotation range and the maximum rotation range, said damping means comprising:
    • first damping means (16, 18, 20) which produce a couple in the transverse direction opposing the moving together of the first and second stop elements of the first stop means, and
    • second damping means (16, 18, 22) which produce a couple in the transverse direction opposing the moving together of the first and second stop elements of the second stop means,
    said item of footwear being characterised in that
    the articulation which connects the body to the upper has pivot passages (46) which are of oblong shape in the upright direction, and
    the maximum rotation range in the transverse direction (12) extends from 50 degrees to 70 degrees and the normal rotation range in the transverse direction (12) extends from 30 degrees to 50 degrees and is substantially centred relative to the maximum rotation range.
  2. Item of footwear according to claim 1, characterised in that the range of the free pronation and supination movements is approximately 20 degrees in total.
  3. Item of footwear according to either claim 1 or claim 2, characterised in that the damping means comprise a thin flexible plate (16, 18) which has a first end (16b, 18b) which is connected to one (4) of the two shells and a second end (16a, 18a) which moves freely within the normal rotation range and which comes into abutment with the other shell (2) between the normal rotation range and the maximum rotation range.
  4. Item of footwear according to claim 3, characterised in that the thin flexible plate (16) is connected to said shell (4) near the articulation (6).
  5. Item of footwear according to claim 3 or claim 4, characterised in that the thin flexible plate (16) has a curved portion (44) which extends around the articulation (24, 26).
  6. Item of footwear according to claim 5, characterised in that it comprises two thin flexible plates (16, 18) which are arranged symmetrically relative to a centre plane (P) which is defined by the extension direction (8) and the upright direction (10), said thin flexible plates being connected (36) to each other at the connected end (16b, 18b) thereof.
  7. Item of footwear according to any one of the preceding claims, characterised in that the first damping means (16, 18, 20) and the second damping means (16, 18, 22) are each active over a rotation range in the transverse direction (12) of from 5 to 20 degrees.
EP04767389A 2003-07-09 2004-06-18 Footwear article with limited rotational movement and damped end of course Not-in-force EP1641363B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0308415A FR2857233B1 (en) 2003-07-09 2003-07-09 FOOTWEAR ARTICLE WITH LIMITED ROTATION MOVEMENT AND BEGINNING AT THE END OF THE RACE
PCT/FR2004/001532 WO2005013744A1 (en) 2003-07-09 2004-06-18 Footwear article with limited rotational movement and damped end of course

Publications (2)

Publication Number Publication Date
EP1641363A1 EP1641363A1 (en) 2006-04-05
EP1641363B1 true EP1641363B1 (en) 2008-01-09

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EP04767389A Not-in-force EP1641363B1 (en) 2003-07-09 2004-06-18 Footwear article with limited rotational movement and damped end of course

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US (1) US7913426B2 (en)
EP (1) EP1641363B1 (en)
AT (1) ATE383091T1 (en)
DE (1) DE602004011225T2 (en)
DK (1) DK1641363T3 (en)
ES (1) ES2299865T3 (en)
FR (1) FR2857233B1 (en)
PT (1) PT1641363E (en)
WO (1) WO2005013744A1 (en)

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US9693599B2 (en) * 2013-02-02 2017-07-04 Fox Head, Inc. Motorcycle boot
US10863794B2 (en) 2013-06-25 2020-12-15 Nike, Inc. Article of footwear having multiple braided structures
KR101838824B1 (en) 2013-06-25 2018-03-14 나이키 이노베이트 씨.브이. Article of footwear with braided upper
US20140373389A1 (en) * 2013-06-25 2014-12-25 Nike, Inc. Braided Upper With Overlays For Article Of Footwear
ITMI20131363A1 (en) * 2013-08-08 2015-02-09 Alberto Barozzi SPORTS AND ORTHOPEDIC SHOES WITH RELATIVE ARTICULATION DEVICE INSOLE / UPPER
US9668544B2 (en) 2014-12-10 2017-06-06 Nike, Inc. Last system for articles with braided components
US10674791B2 (en) 2014-12-10 2020-06-09 Nike, Inc. Braided article with internal midsole structure
EP3053468A1 (en) * 2015-02-05 2016-08-10 OBER ALP S.p.A. Ski-boot or off-track ski boot with perfected hinge means
US10555581B2 (en) 2015-05-26 2020-02-11 Nike, Inc. Braided upper with multiple materials
US20160345675A1 (en) 2015-05-26 2016-12-01 Nike, Inc. Hybrid Braided Article
US11103028B2 (en) 2015-08-07 2021-08-31 Nike, Inc. Multi-layered braided article and method of making
GB201522642D0 (en) 2015-12-22 2016-02-03 Leatt Corp Protective footwear
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FR2657503B1 (en) * 1990-01-26 1994-09-23 Salomon Sa SKI BOOT WITH REAR ENTRY.
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Also Published As

Publication number Publication date
FR2857233A1 (en) 2005-01-14
ATE383091T1 (en) 2008-01-15
ES2299865T3 (en) 2008-06-01
WO2005013744A1 (en) 2005-02-17
DE602004011225D1 (en) 2008-02-21
DK1641363T3 (en) 2008-05-26
FR2857233B1 (en) 2006-03-03
PT1641363E (en) 2008-04-21
US7913426B2 (en) 2011-03-29
EP1641363A1 (en) 2006-04-05
DE602004011225T2 (en) 2009-01-15
US20060168849A1 (en) 2006-08-03

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