EP0486801A1 - Sports shoe, in particular for walking and cross-country skiing, provided with detachable high leg support - Google Patents

Sports shoe, in particular for walking and cross-country skiing, provided with detachable high leg support Download PDF

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Publication number
EP0486801A1
EP0486801A1 EP91117103A EP91117103A EP0486801A1 EP 0486801 A1 EP0486801 A1 EP 0486801A1 EP 91117103 A EP91117103 A EP 91117103A EP 91117103 A EP91117103 A EP 91117103A EP 0486801 A1 EP0486801 A1 EP 0486801A1
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EP
European Patent Office
Prior art keywords
collar
sports shoe
articulation
projections
locking means
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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
EP91117103A
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German (de)
French (fr)
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EP0486801B1 (en
Inventor
Jean-Luc Falguere
Thierry Barret
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Salomon SAS
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Salomon SAS
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Publication of EP0486801A1 publication Critical patent/EP0486801A1/en
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Publication of EP0486801B1 publication Critical patent/EP0486801B1/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0411—Ski or like boots for cross-country

Definitions

  • the present invention relates to a sports shoe, intended for sports requiring longitudinal mobility of the foot relative to the leg and good ankle grip and which is more specifically adapted to walking (hiking, trekking) or to skiing. background.
  • this is defined by repetitive cycles in which alternate, motor phases and rest phase; a motor phase corresponding to an impulse provided by one leg, being followed by a rest phase where one slides on the other leg, the skis remaining substantially parallel during these cycles.
  • the lower train works on sliding supports, which forces the skier to exert a thrust directed laterally, with respect to its trajectory, by making its skis diverge to rest on the edges .
  • the alternative step only requires the shoe to have front / rear flexibility in the direction of movement for the leg extension / flexion movements, while in the case of the skater's step, an additional requirement is required. which is added to the previous one and which consists in obtaining maximum rigidity of the shoe in the direction perpendicular to the movement for good grip of the ankle. It should be noted that the requirements for shoes for skating steps are the same as for walking shoes.
  • shoes with low upper for the practice of the alternative step on the one hand, and shoes with high upper for the practice of the skater's step or walking, on the other hand .
  • shoes with a high articulated upper are desirable for hiking while shoes with a low upper are necessary for the practice of sport requiring only one unrolling of the foot.
  • the articulation of the rigid collar on the low rod is located at the upper end thereof, the collar extending upward from its articulation, beyond the end upper stem.
  • This document therefore teaches how to obtain, from a shoe with a low upper, a shoe with a high upper, which moreover is articulated, but does not solve the problem posed, namely to offer a shoe that can be used for both for the practice of the alternative step and the skater step.
  • these fixing means consist of an elastically deformable nail coming from the rear buttress and formed of a plurality of parallel elastic arms arranged around the transverse axis of articulation of the collar, and which engage by a transverse action, in a cylindrical hole in the collar until the hooks placed as a corolla on the end of the said arms, snap elastically onto the external face of the collar emerging from it.
  • such a corolla constitutes a projection liable to be dangerous in the event of a fall or a collision with another skier.
  • fixing means require for the removal of the collar the use of a tightening tool capable of pinching the corolla formed by the end of the arms, thus making such manual removal difficult (if not impossible), given the small grip surface available, often snow-covered in addition.
  • the object of the present invention is to remedy these various drawbacks and to provide a dual-use sports shoe, that is to say with a low upper or a high articulated upper, which can be easily transformed with simple means and without requiring 'special tools.
  • the invention relates to a sports shoe in particular for walking and cross-country skiing, obtained from a low rod provided with a buttress. rear and comprising a rigid collar intended to surround the lower leg and articulated on the rear buttress of the rod at the upper level thereof, the collar extending upwards from its articulation, beyond the end of the rod, characterized in that the collar comprises on either side of its articulation zone overlapping the top of the rod, elastic locking means which are specific to it, capable of making it removable manually and cooperating elastically when mounted with two projections integral with the buttress, which define the transverse axis of articulation of the collar, and with respect to which axis, the collar locking means engage radially in the manner of a fork on the projections of the buttress , to form the joint of the removable collar.
  • the locking means of the collar are arranged on either side of its articulation zone and are constituted respectively by a jaw of which at least one of the two branches is elastically deformable when passing the projections.
  • Such a characteristic offers the advantage of being able to dispose of the collar itself, as a gripping means, making it possible to remove it by traction, with a single gesture, or to put it in place by gripping it by its lateral sides.
  • the shoe shown by way of example in FIG. 1 is particularly suitable for skating or skating or for hiking and has the appearance of a shoe originally made up of a low rod 10, c ' that is to say of a rod whose rigid parts do not extend in height beyond malleoli, an outer sole 11 and a lacing system 40 of a type known per se.
  • the rod 10 is made of flexible material and is provided at the heel with a rear buttress 12 which can be produced in any way known per se.
  • This buttress 12 is preferably made of rigid synthetic material, and extends over the entire rear part of the shoe, all around the heel thereof.
  • This buttress 12 extends, in the region of the malleoli, to the top of the upper, for the reception of an articulated collar 13, and has at its upper end, at the level of these malleoli, on each side of the shoe , a projection or boss 12a extending outward substantially perpendicular to the wall of the buttress and adapted to be introduced into an associated cylindrical hole 13a, formed on each side of the collar 13 (see Figure 4).
  • Each boss 12a is also provided with a hole 12b for fixing the collar 13 by means of nails 19 (see FIG. 5).
  • the collar 13 can therefore be mounted articulated on the projecting parts 12a of the buttress of the rod at the upper end of the latter.
  • nails 19 can be replaced by any other connection method allowing rotation such as rivets.
  • the use of nails 19 is particularly advantageous, because it allows installation by simple application of pressure on the head 19a, without requiring a counterpart as in the case of rivets.
  • the nails 19 will advantageously be made of a relatively flexible material with respect to a metal rivet, such as delrin, so that their head 19a follows any deformations of the rigid collar 13, for example during a torsion of the leg, such a construction making it possible to avoid the tearing of these nails during such a twist.
  • a metal rivet such as delrin
  • the articulated collar 13 is constituted by a cuff made of rigid material and in particular of a synthetic material such as pebax.
  • This collar 13 extends up to the bottom of the calf and surrounds the entire lower leg. It is open at its front part to allow the foot to be placed in the shoe and is provided with clamping means 15 of a type known per se, and constituted for example by hook-and-loop means.
  • This collar 13 is also provided at the rear with a notch 13b intended to facilitate the rearward rotation of this collar (cf. position in dotted lines in FIG. 1).
  • the large height of the collar 13 allows excellent lateral holding of the leg when skating or hiking, such a height also allowing greater distribution of the reaction forces over the leg. and, therefore, better comfort for the user.
  • the total and independent articulation of the collar 13 on the rod allows the latter to pivot freely and without any discomfort for the user.
  • the tongue 42, like the lacing system 40, of the shoe does not extend, in height, not beyond the flexion fold of the user's foot, so as not to hinder it. bending.
  • the position of the hinge pin 30 of the collar 13 on the rod is chosen so as to achieve the best compromise between comfort and an axis as close as possible to the natural position of the tibio-tarsal joint, depending different morphologies and foot sizes.
  • the collar 13 comprises in its articulation zone overlapping the top of the rod 10 with elastic locking means which are specific to it, capable of making it removable manually and cooperating in mounting with the projecting bosses 12a, integral of the buttress 12 and materializing the transverse articulation axis 30.
  • These means are arranged on either side of the articulation zone of the collar 13 and are constituted respectively by a jaw 20 of which at least one of the two branches 20a, 20b, in this case 20a is elastically deformable.
  • each jaw 20 delimit between them a passage, flared outwards over a large width L and opening out by its small width l into the aforementioned cylindrical hole 13a of diameter D1 substantially equal to that D2 of the boss 12a , but greater than the said small width l of the passage.
  • the passage delimits, in its small width l, with the hole 13a of diameter D1, two beads 21, 22 projecting on either side of the entrance to the hole 13a, which beads are suitable for retract elastically during the passage of the boss 12a between the branches 20a, 20b during assembly, by an engagement force exerted on their engagement faces 20c, 20d, to then return to their initial position after introduction of said boss 12a in the hole 13a of the jaw 20, and thus ensure its retention.
  • the width L of the flared part of the passage is at least equal to the diameter D2 of the boss 12a so as to allow its prior engagement in the passage, before snapping into the hole 13a.
  • boss 12a could be eliminated and replaced by a nail 19 of a larger diameter, but the solution is not advantageous in terms of the rigidity of the locking assembly.
  • Figures 2 and 3 respectively show the stages of mounting a collar 13 on a rod 10 for the transformation of a shoe with a low rod into a shoe with a high rod.
  • the head 19a of the neck 19 has been removed by cutting.
  • the jaws 20 are formed at the lower part of the collar 13 along a longitudinal axis XX 'corresponding to a direction of engagement F of the collar 13 on the bosses 12a.
  • the axis XX ' here forms an angle ⁇ with a vertical axis YY' of the collar 13 and the direction of engagement F takes place generally towards the rear of the shoe.
  • the angle ⁇ shown is equal to approximately 45 ° relative to the axis yy 'but it can obviously be chosen by a larger or smaller value.
  • FIG. 6 essentially differs from the previous one, in that the jaw 20A is produced at the lower part of the collar 13A along a longitudinal axis corresponding or substantially parallel to the vertical axis YY 'of the collar 13A, which corresponds to an angle ⁇ zero.

Abstract

A sports shoe with an initially low upper is characterised in that the collar (13) comprises, on either side of its zone of articulation straddling the top of the upper (10), its own elastic locking means (20) which are capable of enabling it to be removed manually and which interact elastically on assembly with two projections (12a) integral with the stiffener (counter) (12) which are located on a transverse pin (30) substantially at the location of the natural joint of the leg and the foot. The locking means of the collar (13) engage radially relative to this pin (30), in the manner of a fork, over the projections (12a) of the stiffener (counter) (12) in order to form the articulation of the removable collar (13). According to a preferred embodiment, the locking means of the collar (13) are arranged on either side of its zone of articulation and consist, respectively, of a jaw (20) of which at least one (20a) of the two branches (20a, 20b) can be deformed elastically upon passage of the projections (12a). Application to sports shoes. <IMAGE>

Description

La présente invention concerne une chaussure de sport, destinée aux sports nécessitant une mobilité longitudinale du pied par rapport à la jambe et une bonne tenue de la cheville et qui soit plus spécifiquement adaptée à la marche (randonnée, trekking) ou à la pratique du ski de fond.The present invention relates to a sports shoe, intended for sports requiring longitudinal mobility of the foot relative to the leg and good ankle grip and which is more specifically adapted to walking (hiking, trekking) or to skiing. background.

Or, dans ce dernier domaine, il existe actuellement deux principales techniques qui sont le pas alternatif et le pas de patineur.However, in this latter area, there are currently two main techniques which are the alternative step and the skater step.

Selon la technique bien connue du pas alternatif, celle-ci est définie par des cycles répétitifs dans lesquels alternent, phases motrices et phase de repos ; une phase motrice correspondant à une impulsion fournie par une jambe, étant succédée par une phase de repos où l'on glisse sur l'autre jambe, les skis demeurant sensiblement parallèles au cours de ces cycles.According to the well-known technique of the alternative step, this is defined by repetitive cycles in which alternate, motor phases and rest phase; a motor phase corresponding to an impulse provided by one leg, being followed by a rest phase where one slides on the other leg, the skis remaining substantially parallel during these cycles.

Contrairement à cela, selon la technique du pas de patineur, le train inférieur travaille sur des appuis glissants, ce qui contraint le skieur à exercer une poussée dirigée latéralement, par rapport à sa trajectoire, en faisant diverger ses skis pour prendre appui sur les carres.Contrary to that, according to the skating step technique, the lower train works on sliding supports, which forces the skier to exert a thrust directed laterally, with respect to its trajectory, by making its skis diverge to rest on the edges .

On comprend aisément que de tels sports imposent à la chaussure des exigences différentes selon que l'on pratique le pas alternatif ou le pas de patineur.It is easy to understand that such sports impose different requirements on the shoe depending on whether you are practicing the alternative step or the skater step.

En effet, le pas alternatif n'exige de la chaussure qu une flexibilité avant/arrière dans la direction du déplacement pour les mouvements d'extension / flexion de la jambe, alors que dans le cas du pas de patineur, une exigence supplémentaire est requise qui s'ajoute à la précédente et qui consiste à obtenir une rigidité maximale de la chaussure dans la direction perpendiculaire au déplacement pour une bonne tenue de la cheville. Il est à noter que les exigences requises des chaussures pour le pas de patineur sont les mêmes que pour les chaussures de marche.Indeed, the alternative step only requires the shoe to have front / rear flexibility in the direction of movement for the leg extension / flexion movements, while in the case of the skater's step, an additional requirement is required. which is added to the previous one and which consists in obtaining maximum rigidity of the shoe in the direction perpendicular to the movement for good grip of the ankle. It should be noted that the requirements for shoes for skating steps are the same as for walking shoes.

C'est pour ces différentes raisons qu'il existe actuellement des chaussures à tige basse pour la pratique du pas alternatif d'une part, et des chaussures à tige haute pour la pratique du pas de patineur ou de la marche, d'autre part. Dans un même ordre d'idée, les chaussures à tige haute articulée sont souhaitables pour la randonnée tandis que des chaussures à tige basse sont nécessaires pour la pratique de sport ne nécessitant qu'un déroulement du pied.It is for these various reasons that there are currently shoes with low upper for the practice of the alternative step on the one hand, and shoes with high upper for the practice of the skater's step or walking, on the other hand . In the same vein, shoes with a high articulated upper are desirable for hiking while shoes with a low upper are necessary for the practice of sport requiring only one unrolling of the foot.

En tout état de cause, deux types de chaussures sont nécessaires selon que l'on désire pratiquer la technique du pas alternatif ou celle du pas de patineur, c'est à dire selon que l'on souhaite une chaussure permettant uniquement un déroulement du pied ou garantissant à la fois un tel déroulement et une bonne tenue transversale.In any event, two types of shoes are necessary depending on whether one wishes to practice the alternative step technique or that of the skater's step, that is to say according to whether one wishes a shoe allowing only the unrolling of the foot. or guaranteeing both such an unfolding and good transverse behavior.

Dans la demande de brevet N° 89.11936 du 07 septembre 1989 déposé par la demanderesse, il est décrit une chaussure pour la pratique du pas de patineur, et pour la randonnée sans tige haute, mais avec une tige basse munie d'un contrefort arrière et comprenant un collier rigide articulé de manière inamovible sur le dit contrefort arrière, ce collier étant destiné à entourer le bas de la jambe, et constituant donc une sorte de tige haute articulée qui présente une grande flexibilité avant/arrière, tout en garantissant une bonne tenue latérale de la jambe de l'utilisateur.In patent application No. 89.11936 of September 07, 1989 filed by the plaintiff, there is described a shoe for the practice of skating step, and for hiking without high rod, but with a low rod provided with a rear buttress and comprising a rigid collar fixed in a fixed manner on said rear buttress, this collar being intended to surround the lower leg, and constituting therefore a kind of high articulated rod which has great flexibility front / rear, while ensuring good lateral holding of the user's leg.

Selon cette même demande, l'articulation du collier rigide sur la tige basse est située au niveau de l'extrémité supérieure de celle-ci, le collier s'étendant vers le haut à partir de son articulation, au-delà de l'extrémité supérieure de la tige.According to this same request, the articulation of the rigid collar on the low rod is located at the upper end thereof, the collar extending upward from its articulation, beyond the end upper stem.

Ce document enseigne par conséquent la manière d'obtenir, à partir d'une chaussure à tige basse, une chaussure à tige haute, qui de plus est articulée, mais ne résoud pas le problème posé, à savoir offrir une chaussure pouvant être employée à la fois pour la pratique du pas alternatif et du pas de patineur.This document therefore teaches how to obtain, from a shoe with a low upper, a shoe with a high upper, which moreover is articulated, but does not solve the problem posed, namely to offer a shoe that can be used for both for the practice of the alternative step and the skater step.

Il est également connu de rendre amovible un collier du type précité, mais dans cette chaussure connue, un tel collier ne constitue pas en soi une tige haute, et ne fait que renforcer une chaussure initialement conçue avec une tige haute, donc inamovible, dans la zone de la cheville, pour un meilleur maintien de celle-ci. On comprend bien que, dans ce cas, le fait d'ôter le collier ne permet pas d'obtenir une chaussure à tige basse, utilisable pour la pratique du pas alternatif et ne permet d'obtenir qu'une chaussure à tige haute qui ne serait plus renforcée.It is also known to make a collar of the aforementioned type removable, but in this known shoe, such a collar does not in itself constitute a high upper, and only reinforces a shoe initially designed with a high upper, therefore irremovable, in the ankle area, for better support. It is clear that, in this case, removing the collar does not make it possible to obtain a shoe with a low upper, usable for the practice of the alternative step and only makes it possible to obtain a shoe with a high upper which does not would be further strengthened.

Non seulement un tel agencement ne permet pas non plus de résoudre le problème posé, mais de plus, les moyens de fixation du collier sur la chaussure prévus sont, inadaptés pour un retrait ou une mise en place rapide du collier sur la piste, pour un changement de technique notamment lors d'une course.Not only does such an arrangement not make it possible to solve the problem posed, but in addition, the means for fixing the collar to the shoe provided are unsuitable for rapid removal or positioning of the collar on the track, for a technical change especially during a race.

En effet, ces moyens de fixation consistent en un clou déformable élastiquement issu du contrefort arrière et formé d'une pluralité de bras élastiques parallèles disposés autour de l'axe transversal d'articulation du collier, et qui s'engagent par une action transversale, dans un trou cylindrique du collier jusqu'à ce que des crochets posés en corolle sur l'extrémité des dits bras, viennent s'encliqueter élastiquement sur la face externe du collier en émergeant de celle-ci.Indeed, these fixing means consist of an elastically deformable nail coming from the rear buttress and formed of a plurality of parallel elastic arms arranged around the transverse axis of articulation of the collar, and which engage by a transverse action, in a cylindrical hole in the collar until the hooks placed as a corolla on the end of the said arms, snap elastically onto the external face of the collar emerging from it.

Par conséquent, une telle corolle constitue une saillie susceptible d'être dangereuse en cas de chute ou d'accrochage avec un autre skieur. De plus, de tels moyens de fixation nécessitent pour le retrait du collier l'utilisation d'un outil de serrage apte à pincer la corolle formée par l'extrémité des bras, rendant donc un tel retrait manuellement difficile (voire impossible), étant donnée la faible surface de préhension disponible, souvent enneigée de surcroît.Consequently, such a corolla constitutes a projection liable to be dangerous in the event of a fall or a collision with another skier. In addition, such fixing means require for the removal of the collar the use of a tightening tool capable of pinching the corolla formed by the end of the arms, thus making such manual removal difficult (if not impossible), given the small grip surface available, often snow-covered in addition.

Le but de la présente invention est de remédier à ces divers inconvénients et de fournir une chaussure de sport à double usage, c'est-à-dire à tige basse ou à tige haute articulée, transformable aisément avec des moyens simples et sans nécessiter d'outils spéciaux.The object of the present invention is to remedy these various drawbacks and to provide a dual-use sports shoe, that is to say with a low upper or a high articulated upper, which can be easily transformed with simple means and without requiring 'special tools.

A cet effet, l'invention concerne une chaussure de sport notamment pour la marche et le ski de fond, obtenue à partir d'une tige basse munie d'un contrefort arrière et comprenant un collier rigide destiné à entourer le bas de la jambe et articulé sur le contrefort arrière de la tige au niveau supérieur de celle-ci, le collier s'étendant vers le haut à partir de son articulation, au-delà de l'extrémité de la tige, caractérisée en ce que le collier comporte de part et d'autre de sa zone d'articulation chevauchant le haut de la tige, des moyens de verrouillage élastiques qui lui sont propres, aptes à le rendre amovible manuellement et coopérant élastiquement au montage avec deux saillies solidaires du contrefort, qui définissent l'axe transversal d'articulation du collier, et par rapport auquel axe, les moyens de verrouillage du collier s'engagent radialement à la manière d'une fourche sur les saillies du contrefort, pour constituer l'articulation du collier amovible.To this end, the invention relates to a sports shoe in particular for walking and cross-country skiing, obtained from a low rod provided with a buttress. rear and comprising a rigid collar intended to surround the lower leg and articulated on the rear buttress of the rod at the upper level thereof, the collar extending upwards from its articulation, beyond the end of the rod, characterized in that the collar comprises on either side of its articulation zone overlapping the top of the rod, elastic locking means which are specific to it, capable of making it removable manually and cooperating elastically when mounted with two projections integral with the buttress, which define the transverse axis of articulation of the collar, and with respect to which axis, the collar locking means engage radially in the manner of a fork on the projections of the buttress , to form the joint of the removable collar.

De cette manière est obtenue une chaussure à double usage, plus particulièrement adaptée au pas de patineur ou à la randonnée, si l'on met en place le collier permettant de constituer une chaussure à tige haute, ou bien plus particulièrement adaptée au pas alternatif ou à la marche si, au contraire, on ôte le collier permettant ainsi de retrouver une chaussure d'origine, à tige basse.In this way, a dual-use shoe is obtained, more particularly suitable for skating or hiking, if the collar is used to form a shoe with a high upper, or much more particularly suitable for alternative walking or walking if, on the contrary, the collar is removed, thus making it possible to find an original shoe, with a low upper.

Selon une forme de réalisation avantageuse, les moyens de verrouillage du collier sont disposés de part et d'autre de sa zone d'articulation et sont constitués respectivement par une mâchoire dont au moins une des deux branches est déformable élastiquement au passage des saillies.According to an advantageous embodiment, the locking means of the collar are arranged on either side of its articulation zone and are constituted respectively by a jaw of which at least one of the two branches is elastically deformable when passing the projections.

Une telle caractéristique offre l'avantage de pouvoir disposer du collier même, comme moyen de préhension, permettant de le retirer par traction, d'un seul geste, ou de le mettre en place en le saisissant par ses côtés latéraux.Such a characteristic offers the advantage of being able to dispose of the collar itself, as a gripping means, making it possible to remove it by traction, with a single gesture, or to put it in place by gripping it by its lateral sides.

De toutes façons, l'invention sera mieux comprise et d'autres caractéristiques de celle-ci seront mises en évidence, à l'aide de la description qui suit en référence des dessins schématiques annexés sur lesquels :

  • La figure 1 est une vue de côté de la chaussure selon l'invention.
  • Les figures 2 et 3 sont des vues schématiques d'une chaussure selon la figure 1 à plus petite échelle et représentant respectivement un collier avant et après montage sur la tige.
  • La figure 4 est une vue de détail à plus grande échelle des moyens de verrouillage du collier.
  • La figure 5 est une vue en coupe partielle selon la ligne V V de la figure 1 pendant l'opération de montage.
  • La figure 6 est une vue d'une chaussure selon un autre mode de réalisation des moyens de verrouillage du collier.
In any case, the invention will be better understood and other characteristics thereof will be highlighted, using the following description with reference to the appended schematic drawings in which:
  • Figure 1 is a side view of the shoe according to the invention.
  • Figures 2 and 3 are schematic views of a shoe according to Figure 1 on a smaller scale and respectively representing a collar before and after mounting on the upper.
  • Figure 4 is a detail view on a larger scale of the collar locking means.
  • Figure 5 is a partial sectional view along line VV of Figure 1 during the mounting operation.
  • Figure 6 is a view of a shoe according to another embodiment of the collar locking means.

La chaussure représentée à titre d'exemple sur la figure 1 est particulièrement adaptée pour le pas de patineur ou skating ou pour la randonnée et présente extérieurement l'allure d'une chaussure constituée à l'origine d'une tige basse 10, c'est-à-dire d'une tige dont les parties rigides ne s'étendent pas en hauteur au-delà des malléoles, d'une semelle externe 11 et d'un système de laçage 40 de type connu en soi.The shoe shown by way of example in FIG. 1 is particularly suitable for skating or skating or for hiking and has the appearance of a shoe originally made up of a low rod 10, c ' that is to say of a rod whose rigid parts do not extend in height beyond malleoli, an outer sole 11 and a lacing system 40 of a type known per se.

La tige 10 est en matériau souple et est munie au niveau du talon d'un contrefort arrière 12 pouvant être réalisé de toute façon connue en soi.The rod 10 is made of flexible material and is provided at the heel with a rear buttress 12 which can be produced in any way known per se.

Ce contrefort 12 est de préférence réalisé en matière synthétique rigide, et s'étend sur toute la partie arrière de la chaussure, tout autour du talon de celle-ci.This buttress 12 is preferably made of rigid synthetic material, and extends over the entire rear part of the shoe, all around the heel thereof.

Ce contrefort 12 s'étend, dans la zone des malléoles, jusqu'en haut de la tige, pour la réception d'un collier articulé 13, et présente à son extrémité supérieure, au niveau de ces malléoles, de chaque côté de la chaussure, une saillie ou bossage 12a s'étendant vers l'extérieur sensiblement perpendiculairement à la paroi du contrefort et apte à être introduit dans un trou cylindrique associé 13a, ménagé sur chaque côté du collier 13 (cf figure 4).This buttress 12 extends, in the region of the malleoli, to the top of the upper, for the reception of an articulated collar 13, and has at its upper end, at the level of these malleoli, on each side of the shoe , a projection or boss 12a extending outward substantially perpendicular to the wall of the buttress and adapted to be introduced into an associated cylindrical hole 13a, formed on each side of the collar 13 (see Figure 4).

Chaque bossage 12a est par ailleurs muni d'un trou 12b pour la fixation du collier 13 au moyen de clous 19 (cf figure 5). Par cette disposition, le collier 13 peut donc être monté articulé sur les parties en saillie 12a du contrefort de la tige à l'extrémité supérieure de celle-ci.Each boss 12a is also provided with a hole 12b for fixing the collar 13 by means of nails 19 (see FIG. 5). By this arrangement, the collar 13 can therefore be mounted articulated on the projecting parts 12a of the buttress of the rod at the upper end of the latter.

Les têtes 19a des clous 19, une fois engagés dans les trous 12b, servent d'arrêt au collier 13, tandis que les bossages 12a matérialisent l'axe de rotation 30 de ce collier sur la tige. On remarquera que les têtes 19a ont un diamètre D₃ bien plus grand que celui du clou proprement dit.The heads 19a of the nails 19, once engaged in the holes 12b, serve to stop the collar 13, while the bosses 12a materialize the axis of rotation 30 of this collar on the rod. It will be noted that the heads 19a have a diameter D₃ much larger than that of the nail proper.

On notera aussi que les clous 19 peuvent être remplacés par tous autres modes de liaison permettant une rotation tels que des rivets. Cependant, l'utilisation de clous 19 est particulièrement avantageuse, car elle permet une pose par simple application d'une pression sur la tête 19a, sans nécessiter de contre-pièce comme dans le cas de rivets.It will also be noted that the nails 19 can be replaced by any other connection method allowing rotation such as rivets. However, the use of nails 19 is particularly advantageous, because it allows installation by simple application of pressure on the head 19a, without requiring a counterpart as in the case of rivets.

Par ailleurs, les clous 19 seront avantageusement constitués en un matériau relativement souple par rapport à un rivet en métal, tel que du delrin, de façon que leur tête 19a suive les déformations éventuelles du collier rigide 13, par exemple lors d'une torsion de la jambe, une telle construction permettant d'éviter l'arrachement de ces clous lors d'une telle torsion.Furthermore, the nails 19 will advantageously be made of a relatively flexible material with respect to a metal rivet, such as delrin, so that their head 19a follows any deformations of the rigid collar 13, for example during a torsion of the leg, such a construction making it possible to avoid the tearing of these nails during such a twist.

Le collier articulé 13 est constitué par une manchette en matériau rigide et notamment en un matériau synthérique tel que du pebax.The articulated collar 13 is constituted by a cuff made of rigid material and in particular of a synthetic material such as pebax.

Ce collier 13 s'étend vers le haut jusqu'au bas du mollet et entoure tout le bas de jambe. Il est ouvert à sa partie avant pour permettre la mise en place du pied dans la chaussure et est muni de moyens de serrage 15 de type connu en soi, et constitués par exemple par des moyens auto-agrippants.This collar 13 extends up to the bottom of the calf and surrounds the entire lower leg. It is open at its front part to allow the foot to be placed in the shoe and is provided with clamping means 15 of a type known per se, and constituted for example by hook-and-loop means.

Ce collier 13 est par ailleurs muni à l'arrière d'une échancrure 13b destinée à faciliter la rotation vers l'arrière de ce collier (cf position en pointillés sur la figure 1).This collar 13 is also provided at the rear with a notch 13b intended to facilitate the rearward rotation of this collar (cf. position in dotted lines in FIG. 1).

Ainsi qu'on le concevra aisément, la hauteur importante du collier 13 permet une excellente tenue latérale de la jambe lors de la pratique du skating ou de la randonnée, une telle hauteur permettant en outre une plus grande répartition sur la jambe des efforts de réaction et, par conséquent, un meilleur confort pour l'utilisateur.As will be readily appreciated, the large height of the collar 13 allows excellent lateral holding of the leg when skating or hiking, such a height also allowing greater distribution of the reaction forces over the leg. and, therefore, better comfort for the user.

En effet, l'articulation totale et indépendante du collier 13 sur la tige permet à celui-ci de pivoter librement et sans aucune gêne pour l'utilisateur. D'ailleurs, la languette 42, de même que le système de laçage 40, de la chaussure ne s'étend, en hauteur, pas au-delà du pli de flexion du pied de l'utilisateur, de façon à ne pas en gêner la flexion.Indeed, the total and independent articulation of the collar 13 on the rod allows the latter to pivot freely and without any discomfort for the user. Moreover, the tongue 42, like the lacing system 40, of the shoe does not extend, in height, not beyond the flexion fold of the user's foot, so as not to hinder it. bending.

La position de l'axe d'articulation 30 du collier 13 sur la tige, est choisie de façon à réaliser le meilleur compromis entre le confort et un axe le plus proche possible de la position naturelle de l'articulation tibio-tarsienne, en fonction des différentes morphologies et tailles de pied.The position of the hinge pin 30 of the collar 13 on the rod is chosen so as to achieve the best compromise between comfort and an axis as close as possible to the natural position of the tibio-tarsal joint, depending different morphologies and foot sizes.

Selon l'invention, le collier 13 comporte dans sa zone d'articulation chevauchant le haut de la tige 10 des moyens de verrouillage élastiques qui lui sont propres, aptes à le rendre amovible manuellement et coopérant au montage avec les bossages en saillie 12a, solidaires du contrefort 12 et matérialisant l'axe d'articulation transversal 30.According to the invention, the collar 13 comprises in its articulation zone overlapping the top of the rod 10 with elastic locking means which are specific to it, capable of making it removable manually and cooperating in mounting with the projecting bosses 12a, integral of the buttress 12 and materializing the transverse articulation axis 30.

Ces moyens sont disposés de part et d'autre de la zone d'articulation du collier 13 et sont constitués respectivement par une mâchoire 20 dont au moins une des deux branches 20a, 20b, en l'occurence 20a est déformable élastiquement.These means are arranged on either side of the articulation zone of the collar 13 and are constituted respectively by a jaw 20 of which at least one of the two branches 20a, 20b, in this case 20a is elastically deformable.

Les branches 20a, 20b, de chaque mâchoire 20 délimitent entre elles un passage, évasé vers l'extérieur selon une grande largeur L et débouchant par sa petite largeur l dans le trou cylindrique précité 13a de diamètre D₁ sensiblement égal à celui D₂ du bossage 12a, mais supérieur à la dite petite largeur l du passage. De cette manière, le passage délimite, dans sa petite largeur l, avec le trou 13a de diamètre D₁, deux bourrelets 21, 22 faisant saillie de part et d'autre de l'entrée du trou 13a, lesquels bourrelets sont aptes à s'escamoter élastiquement lors du passage du bossage 12a entre les branches 20a, 20b au montage, par une force d'engagement s'exerçant sur leurs faces d'engagement 20c, 20d, pour ensuite reprendre leur position initiale après introduction dudit bossage 12a dans le trou 13a de la mâchoire 20, et y assurer ainsi sa retenue. Bien entendu la largeur L de la partie évasée du passage est au moins égale au diamètre D2 du bossage 12a de façon à permettre son engagement préalable dans le passage, avant encliquetage dans le trou 13a.The branches 20a, 20b, of each jaw 20 delimit between them a passage, flared outwards over a large width L and opening out by its small width l into the aforementioned cylindrical hole 13a of diameter D₁ substantially equal to that D₂ of the boss 12a , but greater than the said small width l of the passage. In this way, the passage delimits, in its small width l, with the hole 13a of diameter D₁, two beads 21, 22 projecting on either side of the entrance to the hole 13a, which beads are suitable for retract elastically during the passage of the boss 12a between the branches 20a, 20b during assembly, by an engagement force exerted on their engagement faces 20c, 20d, to then return to their initial position after introduction of said boss 12a in the hole 13a of the jaw 20, and thus ensure its retention. Of course, the width L of the flared part of the passage is at least equal to the diameter D2 of the boss 12a so as to allow its prior engagement in the passage, before snapping into the hole 13a.

Bien entendu, le bossage 12a pourrait être supprimé et remplacé par un clou 19 d'un diamètre plus important, mais la solution n'est pas avantageuse sur le plan de la rigidité de l'ensemble de verrouillage.Of course, the boss 12a could be eliminated and replaced by a nail 19 of a larger diameter, but the solution is not advantageous in terms of the rigidity of the locking assembly.

Les figures 2 et 3 montrent respectivement les phases de montage d'un collier 13 sur une tige 10 pour la transformation d'une chaussure à tige basse en une chaussure à tige haute.Figures 2 and 3 respectively show the stages of mounting a collar 13 on a rod 10 for the transformation of a shoe with a low rod into a shoe with a high rod.

Pour une meilleure compréhension de ces vues, la tête 19a du cou 19 a été supprimée par coupe.For a better understanding of these views, the head 19a of the neck 19 has been removed by cutting.

Selon ce mode de réalisation illustré par les figures 1 à 4, les mâchoires 20 sont réalisées à la partie inférieure du collier 13 selon un axe longitudinal XX' correspondant à un sens d'engagement F du collier 13 sur les bossages 12a. L'axe XX' forme ici un angle α avec un axe vertical YY' du collier 13 et le sens d'engagement F s'effectue globalement vers l'arrière de la chaussure. L'angle α représenté est égal à environ 45° par rapport à l'axe yy' mais il peut bien évidemment être choisi d'une valeur plus grande ou plus petite.According to this embodiment illustrated in Figures 1 to 4, the jaws 20 are formed at the lower part of the collar 13 along a longitudinal axis XX 'corresponding to a direction of engagement F of the collar 13 on the bosses 12a. The axis XX 'here forms an angle α with a vertical axis YY' of the collar 13 and the direction of engagement F takes place generally towards the rear of the shoe. The angle α shown is equal to approximately 45 ° relative to the axis yy 'but it can obviously be chosen by a larger or smaller value.

Bien entendu, l'engagement pourrait s'effectuer également vers l'avant.Of course, the engagement could also be carried forward.

Le mode de réalisation représenté sur la figure 6 diffère essentiellement du précédent, en ce que la mâchoire 20A est réalisée à la partie inférieure du collier 13A selon un axe longitudinal correspondant ou sensiblement parallèle à l'axe vertical YY' du collier 13A, ce qui correspond à un angle α nul.The embodiment shown in FIG. 6 essentially differs from the previous one, in that the jaw 20A is produced at the lower part of the collar 13A along a longitudinal axis corresponding or substantially parallel to the vertical axis YY 'of the collar 13A, which corresponds to an angle α zero.

Enfin, les moyens de verrouillage des colliers 13 ou 13A, tels que décrits ci-dessus, sont obtenus avec ceux-ci au cours d'une même opération de moulage.Finally, the locking means of the collars 13 or 13A, as described above, are obtained with these during the same molding operation.

Claims (7)

Chaussure de sport notamment pour la marche et le ski de fond, obtenue à partir d'une tige basse (10) munie d'un contrefort arrière (12) et comprenant un collier rigide (13) destiné à entourer le bas de la jambe et articulé sur le contrefort arrière (12) de la tige (10) au niveau supérieur de celle-ci, le collier (13) s'étendant vers le haut à partir de son articulation, au-delà de l'extrémité de la tige(10) caractérisée en ce que le collier (13) comporte de part et d'autre de sa zone d'articulation chevauchant le haut de la tige (10), des moyens de verrouillage élastiques (20) qui lui sont propres, aptes à le rendre amovible manuellement et coopérant élastiquement au montage avec deux saillies (12a) solidaires du contrefort (12), qui définissent l'axe transversal (30) d'articulation du collier et par rapport auquel axe (30) les moyens de verrouillage du collier (13) s'engagent radialement à la manière d'une fourche sur les saillies (12a) du contrefort (12), pour constituer l'articulation du collier amovible (13).Sports shoe in particular for walking and cross-country skiing, obtained from a low rod (10) provided with a rear buttress (12) and comprising a rigid collar (13) intended to surround the lower leg and articulated on the rear buttress (12) of the rod (10) at the upper level thereof, the collar (13) extending upwards from its articulation, beyond the end of the rod ( 10) characterized in that the collar (13) comprises on either side of its articulation zone overlapping the top of the rod (10), elastic locking means (20) which are specific to it, capable of make it removable manually and cooperating elastically in mounting with two projections (12a) integral with the buttress (12), which define the transverse axis (30) of articulation of the collar and relative to which axis (30) the locking means of the collar ( 13) engage radially like a fork on the projections (12a) of the buttress (12), for c set up the articulation of the removable collar (13). Chaussure de sport selon la revendication 1, caractérisée en ce que les moyens de verrouillage du collier (13) sont disposés de part et d'autre de sa zone d'articulation et sont constitués respectivement par une mâchoire (20) dont au moins une (20a) des deux branches (20a, 20b) est déformable élastiquement au passage des saillies (12a).Sports shoe according to claim 1, characterized in that the locking means of the collar (13) are arranged on either side of its articulation zone and are constituted respectively by a jaw (20) of which at least one ( 20a) of the two branches (20a, 20b) is elastically deformable when passing the projections (12a). Chaussure de sport selon la revendication 2, caractérisée en ce que les branches (20a, 20b) de chaque mâchoire (20) délimitent entre elles un passage d'introduction d'une saillie (12a) débouchant dans une partie cylindrique (13a) de diamètre (D₁) sensiblement égal à celui (D₂) de la saillie (12a), mais supérieur à une largeur (l) du passage, afin de délimiter avec celui-ci deux bourrelets (21,22) faisant saillie de part et d'autre de l'entrée de la partie cylindrique (13a) et aptes à s'escamoter élastiquement lors du passage de la saillie (12a) entre les branches (20a, 20b) au montage, puis à reprendre leur position initiale après introduction de celles-ci (12a) dans la partie cylindrique (13a) de la mâchoire (20) et assurer sa retenue.Sports shoe according to claim 2, characterized in that the branches (20a, 20b) of each jaw (20) delimit between them a passage for introducing a projection (12a) opening into a cylindrical part (13a) of diameter (D₁) substantially equal to that (D₂) of the projection (12a), but greater than a width (l) of the passage, in order to delimit therewith two beads (21,22) projecting on either side from the inlet of the cylindrical part (13a) and able to retract elastically during the passage of the projection (12a) between the branches (20a, 20b) during assembly, then return to their initial position after introduction thereof (12a) in the cylindrical part (13a) of the jaw (20) and ensure its retention. Chaussure de sport selon la revendication 3, caractérisée en ce que les machoires (20) sont réalisées à la partie inférieure du collier (13) selon un axe (XX') longitudinal correspondant à un sens d'engagement (F) du collier sur les saillies (12a) et qui forme un angle α avec l'axe vertical (YY') du collier (13).Sports shoe according to claim 3, characterized in that the jaws (20) are produced at the lower part of the collar (13) along a longitudinal axis (XX ') corresponding to a direction of engagement (F) of the collar on the projections (12a) and which forms an angle α with the vertical axis (YY ') of the collar (13). Chaussure de sport selon la revendication 3, caractérisée en ce que les machoires (20A) sont réalisées à la partie inférieure du collier (13A) selon un axe longitudinal, correspondant à un sens d'engagement du collier (13A) sur les saillies (12a), qui est sensiblement parallèle à l'axe vertical (YY') du collier.Sports shoe according to claim 3, characterized in that the jaws (20A) are produced at the lower part of the collar (13A) along a longitudinal axis, corresponding to a direction of engagement of the collar (13A) on the projections (12a ), which is substantially parallel to the vertical axis (YY ') of the collar. Chaussure de sport selon l'une des revendications 1 à 5, caractérisée en ce que les moyens de verrouillage élastiques du collier (13, 13A) sont obtenus avec lui au cours d'une même opération de moulage d'une matière plastique.Sports shoe according to one of claims 1 to 5, characterized in that the elastic locking means of the collar (13, 13A) are obtained with it during the same operation of molding a plastic material. Chaussure de sport selon la revendication 4, caractérisée en ce que le passage délimité par les branches (20a, 20b) de la mâchoire (20) présente une partie évasée vers l'extérieur d'une largeur (L) au moins égale au diamètre (D₂) de la saillie (12a) pour permettre son engagement préalable dans le dit passage, avant encliquetage élastique dans le trou (13a).Sports shoe according to claim 4, characterized in that the passage delimited by the branches (20a, 20b) of the jaw (20) has a part flared towards the outside with a width (L) at least equal to the diameter ( D₂) of the projection (12a) to allow its prior engagement in said passage, before elastic snap-fastening in the hole (13a).
EP91117103A 1990-11-06 1991-10-08 Sports shoe, in particular for walking and cross-country skiing, provided with detachable high leg support Expired - Lifetime EP0486801B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9013888 1990-11-06
FR9013888A FR2668686B1 (en) 1990-11-06 1990-11-06 SPORTS SHOE ESPECIALLY FOR WALKING AND CROSS-COUNTRY SKIING WITH A REMOVABLE COLLAR FORMING A HIGH ROD.

Publications (2)

Publication Number Publication Date
EP0486801A1 true EP0486801A1 (en) 1992-05-27
EP0486801B1 EP0486801B1 (en) 1995-12-20

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EP91117103A Expired - Lifetime EP0486801B1 (en) 1990-11-06 1991-10-08 Sports shoe, in particular for walking and cross-country skiing, provided with detachable high leg support

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EP (1) EP0486801B1 (en)
AT (1) ATE131698T1 (en)
DE (1) DE69115657T2 (en)
FR (1) FR2668686B1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2726976A1 (en) * 1994-11-17 1996-05-24 Rossignol Sa Sport shoe for being used as e.g. walking or cross-country skiing boot
EP0917834A1 (en) * 1997-11-24 1999-05-26 Skis Rossignol S.A. Cross-country skiboot
FR2793391A1 (en) 1999-05-12 2000-11-17 Salomon Sa Boot for cross country ski has co-operating stop on upper and surface on rear of boot to control relative movement
US7370442B2 (en) * 2004-03-15 2008-05-13 Cerbio Co., Ltd. Ankle support to be attached to footwear and footwear equipped with it
US20140215855A1 (en) * 2011-09-15 2014-08-07 Dahu Sports Company Sa Sports Boot

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2043998A5 (en) * 1969-05-14 1971-02-19 Rosaz Albert
US4019267A (en) * 1976-01-07 1977-04-26 Dorofix Design Establishment Ski boot structure
DE8807537U1 (en) * 1987-12-21 1988-07-28 Alpina Tovarna Obutve
EP0416437A1 (en) * 1989-09-07 1991-03-13 Salomon S.A. Skiboot for cross-country
WO1991007889A1 (en) * 1989-12-05 1991-06-13 Alfa Skofabrik A/S Device for cross-country ski boot

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2043998A5 (en) * 1969-05-14 1971-02-19 Rosaz Albert
US4019267A (en) * 1976-01-07 1977-04-26 Dorofix Design Establishment Ski boot structure
DE8807537U1 (en) * 1987-12-21 1988-07-28 Alpina Tovarna Obutve
EP0416437A1 (en) * 1989-09-07 1991-03-13 Salomon S.A. Skiboot for cross-country
WO1991007889A1 (en) * 1989-12-05 1991-06-13 Alfa Skofabrik A/S Device for cross-country ski boot

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2726976A1 (en) * 1994-11-17 1996-05-24 Rossignol Sa Sport shoe for being used as e.g. walking or cross-country skiing boot
EP0917834A1 (en) * 1997-11-24 1999-05-26 Skis Rossignol S.A. Cross-country skiboot
FR2771264A1 (en) * 1997-11-24 1999-05-28 Rossignol Sa FOOTWEAR FOR CROSS-COUNTRY SKIING
US6098317A (en) * 1997-11-24 2000-08-08 Skis Rossignol S.A. Boot intended for cross-country skiing
FR2793391A1 (en) 1999-05-12 2000-11-17 Salomon Sa Boot for cross country ski has co-operating stop on upper and surface on rear of boot to control relative movement
WO2000069298A1 (en) 1999-05-12 2000-11-23 Salomon S.A. Cross-country ski boot
US6453580B1 (en) 1999-05-12 2002-09-24 Salomon S.A. Cross-country ski boot
US7370442B2 (en) * 2004-03-15 2008-05-13 Cerbio Co., Ltd. Ankle support to be attached to footwear and footwear equipped with it
US20140215855A1 (en) * 2011-09-15 2014-08-07 Dahu Sports Company Sa Sports Boot
US11425960B2 (en) * 2011-09-15 2022-08-30 Nb Newboots Sa Sports boot
US20220386737A1 (en) * 2011-09-15 2022-12-08 Nb Newboots Sa Sports boot
US11918080B2 (en) 2011-09-15 2024-03-05 Nb Newboots Sa Sports boot

Also Published As

Publication number Publication date
EP0486801B1 (en) 1995-12-20
DE69115657T2 (en) 1996-07-18
FR2668686A1 (en) 1992-05-07
FR2668686B1 (en) 1992-12-31
ATE131698T1 (en) 1996-01-15
DE69115657D1 (en) 1996-02-01

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