EP3847919B1 - Fastening device for shoes - Google Patents

Fastening device for shoes Download PDF

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Publication number
EP3847919B1
EP3847919B1 EP21150399.0A EP21150399A EP3847919B1 EP 3847919 B1 EP3847919 B1 EP 3847919B1 EP 21150399 A EP21150399 A EP 21150399A EP 3847919 B1 EP3847919 B1 EP 3847919B1
Authority
EP
European Patent Office
Prior art keywords
internal
traction means
external
tightening
boot according
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.)
Active
Application number
EP21150399.0A
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German (de)
French (fr)
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EP3847919A1 (en
Inventor
Mathieu Gannat
Odin LEMONNIER
Bernard Couderc
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Salomon SAS
Original Assignee
Salomon SAS
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Publication of EP3847919A1 publication Critical patent/EP3847919A1/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
    • A43C11/1406—Fastenings with toggle levers; Equipment therefor
    • A43C11/146—Fastenings with toggle levers with adjustment means provided for on the strap, e.g. ratchet strap
    • 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
    • A43B5/0435—Adjustment of the boot to the foot
    • A43B5/0443—Adjustment of the boot to the foot to the instep of the foot, e.g. metatarsals; Metatarsal clamping devices
    • A43B5/0447—Adjustment of the boot to the foot to the instep of the foot, e.g. metatarsals; Metatarsal clamping devices actuated by flexible means, e.g. cables, straps
    • 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
    • A43B5/0409—Linings, paddings or insertions; Inner boots with means for attaching inner boots or parts thereof to shells of skiboots
    • 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
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers

Definitions

  • the present invention relates to shoes comprising an external shell inside which a liner is inserted.
  • This type of shoe is particularly used for winter sports.
  • the outer shell is mainly rigid and provides support for the user's foot while the inner liner is more flexible and has the function of ensuring comfort for the foot.
  • FR 2661076 A1 discloses a shoe according to the preamble of claim 1.
  • Alpine ski boots in particular, include an external shell which includes a lower part and an upper part intended to wrap the lower leg area.
  • Upper part and lower part can essentially be different portions of the same structure, as in so-called rear entry shoes, but as a general rule, the upper part of the shell is a collar which is articulated on the lower part of the shell of so as to allow a certain angular movement of the leg relative to the foot.
  • the lower part has an opening on the top. This opening is closed by covering the flaps, or overlaps, which are held against each other by closing buckles.
  • two hooks are used to close the lower part of the shell, one of these hooks being located near the user's instep.
  • the instep area is a critical area for skier comfort. This is, in particular, the area where it is possible to exert an effort to keep the skier's heel firmly in place at the bottom of the boot. This is why there is systematically one of the means of tightening the shoe which is located closest, which is sometimes called the perimeter-short-heel. However, this area is located in the immediate environment of the ankle joint so that in order not to hinder movements, the position of the instep tightening hook is shifted downward. The hook in question is then placed opposite the curved area of the top of the foot.
  • this rounded area which constitutes the lower part of the instep is particularly sensitive. This is why these skiers may need to turn to ski boot fitting professionals, commonly called “bootfitter”.
  • Bootfitters can intervene in multiple ways on a ski boot to conform it as closely as possible to the particularities of a user's foot. In particular, they can deform the hull, "grind” it in all areas where this is possible. However, it is sometimes difficult to intervene at the instep due to the presence of the instep tightening hook. On the other hand, the modifications to the shell that the bootfitter makes in this area may simply have no effect on comfort, as soon as the user tightens the shoe.
  • the objective of the invention is to provide a sports shoe having an outer shell and an inner liner which does not have the disadvantages of the prior art.
  • the objective of the invention is therefore to provide a sports shoe, in particular an alpine ski shoe, which improves the support of the foot and in particular the support of the ankle while guaranteeing better comfort compared to shoes of the prior art.
  • the objective of the invention is also to facilitate the work of bootfitters when they modify a stock shoe in order to conform it to a user's feet.
  • the objective of the invention is achieved by providing a shoe according to claim 1.
  • the shoe is an alpine ski boot which comprises an outer upper and an inner liner.
  • the outer rod has two flanks (a medial flank, a lateral flank) whose upper ends, namely the lateral flap, respectively, the lateral flap, are movable relative to each other and are overlap to tighten the shoe.
  • connection means interconnect the internal traction means and the external traction means.
  • said tightening means are placed at the level of the upper part of the instep, close to the short heel perimeter line.
  • said actuation means is fixed on the lateral side of the lower part by a first external anchoring, and the external traction means are fixed on the medial side of the lower part by a second external anchoring while the internal traction means are fixed to the external rod by an internal anchoring.
  • FIG. 1 shows in side view, the side face of an alpine ski boot.
  • the internal comfort element is in the form a liner completely independent of the outer upper and which can therefore be extracted from the outer upper for replacement, drying or even to make modifications to it.
  • the present invention is described below for shoes having a removable internal comfort element, this characteristic does not constitute a limitation.
  • the outer rod 1 is in the form of a relatively rigid shell made by injection of a thermoplastic material such as PU (polyurethane), PA (polyamide), PP (polypropylene) or any other equivalent material or any combination of the aforementioned materials. It is of course possible to make the outer upper in a different way, for example by assembling several textile panels and/or plastics or by stiffening fiber plies (carbon, glass, base, linen, etc.) within a thermosetting or thermoplastic resin matrix.
  • PU polyurethane
  • PA polyamide
  • PP polypropylene
  • the outer upper 1 mainly consists of a lower part 11, designed to accommodate the user's foot and an upper part 12 designed to surround the lower leg.
  • the upper part 12 is fixed on the lower part 11 with a slight possibility of movement so as to accompany the flexion generated by the ankle joint.
  • the lower part 11 consists of a sole 113 from which comes a heel counter 114, a forefoot box 115 as well as the medial sidewall 111 and the lateral sidewall 112 which connect the forefoot box 115 and the heel counter 114 on the medial side, respectively the lateral side of the shoe.
  • the upper end of the medial sidewall 111 as well as that of the lateral sidewall 112 are substantially movable relative to each other and to the rest of the outer rod.
  • the upper ends of the sides constitute flaps, also called “overlaps” which overlap to close the upper opening 116 and ensure its sealing.
  • the medial flap 1111 covers the lateral flap 1121.
  • the outer upper of the shoe shown in figure 1 comprises five tightening means, two of them ensure the tightening of the lower part 11 and the other three are dedicated to the upper part 12 of the outer rod.
  • the means for tightening the upper part 12 include two rack buckles 33, 34, the use of which is very common in the field of alpine ski boots.
  • the upper part consists of an open collar whose two free ends overlap. One of the ends carries a loop with a toggle mechanism and the other end carries a rack 328 comprising a plurality of teeth.
  • a toggle mechanism buckle is shown in top view at figure 13 .
  • the loop 32 is fixed on the outer rod via a yoke 324.
  • a pallet 323 for actuating the clamping means is pivotally mounted on the yoke 324 thanks to the two axes 326.
  • the loop 321 strictly speaking , is connected to the pallet 323 using a tie rod 322, which is pivotally mounted thanks to the axis 325 in a notch provided in the center of the pallet 323.
  • a pin 327 placed at the distal end of the loop 321 is designed to cooperate with the teeth of the rack 328, the cooperation of the pin with one or the other of the teeth ensuring a different adjustment of the tightening means.
  • Clamping means 33 and 34 are therefore clamping means of the type just described.
  • the upper tightening means 35 commonly called lower leg tightening, is of a different type. This is a means of tightening which offers more flexibility and a greater range of adjustment.
  • the means for tightening the lower part 11 of the outer rod comprise a rack buckle 32 similar to that described above and a strap tightening means notched and ratchet 31, commonly called “ratchet”.
  • the rack buckle 32 ensures the tightening of the forefoot part of the lower part of the upper while the tightening means with notched strap and ratchet 31 ensures the tightening at the level of the upper part of the instep .
  • THE figures 14 and 15 respectively show a top view and a side view of such a ratchet tightening means.
  • the clamping means is anchored on one of the portions of the outer rod via a yoke 314.
  • An actuation pallet 313 is rotatably mounted on the yoke thanks to the two axes 316.
  • a tunnel 317 is pivotally mounted at the inside a notch made in the pallet 313 via an axis 315 which is offset relative to the axes 316.
  • the tunnel 317 receives the notched strap 312 which is able to slide there in both directions.
  • a ratchet 318 equipped with a tooth designed to cooperate with the teeth of the notched strap is pivotally mounted. The rotation of the ratchet is constrained by a spring in such a way that, in the rest position, the tooth of the ratchet prevents sliding in the direction of loosening the notched strap. The tightening action is carried out in two successive phases.
  • the pivoting of the pallet 313, which carries with it the tunnel 317 in a forward translation movement results in the sliding of the notched strap in the tightening direction.
  • the pivoting of the pallet 313 in the other direction brings the tunnel towards the rear as well as the notched strap, the sliding of which in the tunnel is prevented by the ratchet.
  • the tightening action of the notched strap tightening means is carried out closest to the shortest line connecting the medial support of the user's heel to the lateral support of the same heel and passing over the foot .
  • the proximity of the tightening plane to the plane defined by this line called the “short heel perimeter” line, ensures optimal positioning of the foot in the shoe because, thus, the foot is well wedged against the rear of the shoe.
  • the upward movement of the instep tightening frees up a little the area located directly below and which in the shoes of the prior art is occupied by a ratchet buckle type tightening means.
  • a bootfitter may be possible for a bootfitter to modify this area of the shell to adapt it to the shape of a specific user's foot.
  • Plane II-II corresponds substantially to the plane traversed by the short heel perimeter line, as defined above.
  • this comprises a sole 113 from which the medial sidewall 111 and the lateral sidewall 112 come.
  • the lower part being produced by injection of thermoplastic material, the sole as well as the two sidewalls constitute a same piece in one piece.
  • This last characteristic does not constitute the only possibility of manufacturing the outer rod. Indeed, we could consider producing this by an assembly of different parts made integral and immobile in relation to each other by any suitable means of fixing.
  • the medial flap 1111 overlaps the lateral flap 1121.
  • the flaps are sufficiently mobile relative to each other to allow, on the one hand, to move away from one another. on the other hand, thus enlarging the upper opening 116 and on the other hand, to slide one over the other, thus reducing the interior volume of the shoe.
  • the clamping device characteristic of the invention presents an actuation means 30.
  • the actuation means is represented schematically by a first functional box in dotted lines and referenced with the sign 30 because, as will be seen later, this actuation means can take several forms without departing from the scope of the invention. It may in particular consist of a pallet of the ratchet and notched strap tightening mechanism 31 described in figures 1 , 14 and 15 , or else in a pallet of the loop and rack mechanism 32 as described in figure 13 .
  • the actuation means 30 is fixed, or can be removably fixed, to the lateral side 112 of the outer rod thanks to a first external anchoring 301. It is functionally connected to the medial side 111 via external traction means 50 so as to ensure the tightening of the rod.
  • the external traction means 50 are fixed, or alternatively, can be removably fixed, to the lateral side 111 of the external rod via a second external anchoring 502.
  • the tightening device of the invention further comprises internal traction means 60 which are essentially placed under the outer rod and fixed thereto thanks to an internal anchoring 603.
  • the external traction means 50 and the internal traction means 60 are associated in such a way that the actuating means 30 acts simultaneously on the internal and external traction means.
  • the connection means which ensure this function are represented by a second functional box in dotted lines and referenced with the sign 40.
  • THE figures 3, 4 And 5 schematically illustrate three possible configurations for producing the connection means 40 between internal traction means 60 and external traction means 50.
  • the connection is fixed, so that when the actuation means 30 exert a force on the connection means, this will be distributed on the internal traction means 60 or external 50 depending on a certain number of factors.
  • the internal and external traction means have an identical Young's modulus, this is the relationship between, on the one hand, the distances separating the second anchor 502, respectively the third anchor 603, the connection means and, d
  • the length of the internal and external traction means which will determine how this distribution will take place.
  • connection is adjustable and it is possible to adjust the relative length of the internal traction means and the external traction means. It is then possible to choose a distribution of the force exerted by the actuation means 30 on the internal and external traction means. We can choose different alternatives for adjusting the connection means. It is for example possible to allow the length adjustment of the internal traction means and/or the external traction means.
  • connection between the internal traction means 60 and the external traction means 50 is free so that force balancing occurs automatically.
  • the internal traction means and the external traction means are placed in continuity with each other, which can for example be made up of the same strap, and they pass through a loop 41 which is connected to the means of actuation and which, thus, constitutes the means of connection.
  • the operation of the complete clamping device is generally the same.
  • the external traction means placed in tension thanks to the actuation means ensure the tightening of the external rod in a conventional manner. That is to say that the medial sidewall 111 approaches the lateral sidewall 112.
  • the internal traction means 60 which are placed under the outer rod act on the internal comfort element 2, it -even placed inside the stem. They allow, in fact, to tighten the internal comfort element against the user's foot.
  • the internal anchoring means 601 is positioned as low as possible inside the outer rod. In the first embodiment, the internal anchor 601 is placed at the level of the sole 113. It is therefore placed below the internal comfort element.
  • the internal 50 and external 60 traction means can be produced in many different ways.
  • the internal traction means are flat and relatively flexible. It is necessary, in fact, to avoid that they constitute too great an excess thickness. They can, for example, consist of a textile strap, a cable or a thermoplastic strip. In advantageous embodiments, they are made of an elastic material, or have an elastic portion.
  • the external traction means can, of course, be of the same nature as the internal traction means, that is to say strap, elastic or not, cable, etc. But they can also consist of a loop of means classic tightening like the loop 321 shown in Figure 13 .
  • the tightening means according to the invention can make it possible to save a little weight because common actuation means simultaneously ensure the internal tightening of the comfort element and the external tightening of the outer rod, but also to improve the effectiveness of external tightening.
  • the external tightening of the external rod is all the easier since the tightening of the internal comfort element does not have to be carried out transitively by the external traction means but by distinct internal traction means of these.
  • one of the major advantages of the tightening means according to the invention is to improve the hold of the ankle by carrying out internal tightening of the latter. This is particularly the case when the internal traction means have a certain elasticity.
  • FIG. 6 represents in section along plane II-II, the lower part of the outer rod according to a second embodiment of the invention.
  • the internal traction means 60 comprise a portion medial portion 61 and a lateral portion 62.
  • the medial portion 61 is placed under the medial sidewall 111 and is fixed inside the outer rod via a first internal anchoring 611, while the lateral portion 62 is placed under the sidewall 112 and is fixed inside the latter by a second external anchoring 621.
  • connection means 70 placed above the internal comfort element 2, near the upper opening 116 of the outer rod.
  • connection means 70 can take several configurations.
  • connection means 70 schematically represent different configurations that the connection means 70 can take.
  • Figure 7 the medial portion 61 and the lateral portion 62 are secured to each other in a fixed manner.
  • the connection means 70 are fixed. They can be detached to facilitate the installation of the foot or the extraction of the internal comfort element 2 from the external upper, but when they are in place, there is no movement between lateral portion and portion medial.
  • the connecting means are free, the lateral portion 62 ending in a loop through which the medial portion 61 passes.
  • the connecting means are also free, but it is the medial portion 61 which ends in a loop through which the lateral portion 62 passes.
  • connection means 60 can take one of the configurations described above in the figures 7, 8 And 9 .
  • FIG 11 represents a second variant of the second embodiment of the invention in which for reasons of simplicity of construction, the internal traction means 60 do not have an attachment point on the inside of the rod. These are placed around the entire inner periphery of the outer rod. Of course, the internal comfort element 2 which is not shown in this figure is placed inside the internal traction means 60 and therefore ensures the anchoring of the latter.
  • FIG. 12 represents the lower part of the outer upper of the shoe equipped with a tightening means according to a third embodiment of the invention.
  • This tightening means is characterized by the fact that it ensures both the tightening of the shoe at the level of the instep like the different embodiments described above but also the tightening of the forefoot area .
  • the actuation means 30 is constituted by a cable reel fixed on the lateral side 112 by a first external anchor 301 and by a cable fixed on the medial side 111 by a second external anchor 302.
  • the means internal traction (not visible on the Figure 12 ) and the external traction means 50 are for example made up of the same strap fixed on the one hand to the outside of the medial sidewall 111 by an external anchor (not visible in the figure because placed on the hidden part of the medial side 111) and on the other hand by an internal anchor (not visible because placed inside the rod).
  • the internal traction means and the external traction means are made with different materials, but they are secured to each other by sewing, gluing or any equivalent means.
  • connection means 40 are of the same nature as those described in figure 8 . This is a loop through which, on the one hand, the traction means 50, 60 pass and, on the other hand, the cable 38.
  • the cable 38 also passes through loops 303 placed on either side. and other of the upper opening.
  • the rotation of the wheel of the actuating means 30 exerts traction on the cable 38, which subsequently exerts traction, not only on the connection means 40 and the internal and external traction means associated with it, but also , on the medial 111 and lateral 112 sides thanks to the loops 303 and the anchoring 302.
  • This embodiment allows additional weight saving compared to the first embodiments.
  • THE figures 16 and 17 respectively represent a side view and a sectional view of a shoe according to a fourth embodiment of the invention.
  • the outer upper of the shoe comprises an upper part 12 and a lower part 11 which are fixed to each other via at least two fixing means; a lateral fixing means 15 and a medial fixing means 16.
  • These fixing means 15 and 16 are placed facing the user's malleolus and are substantially aligned with each other.
  • these means are constituted by rivets which pass right through the lower part 11 and the upper part 12.
  • the tightening means of the upper part 12 comprise two rack buckles 33, 34.
  • the tightening means of the lower part 11 consist of cable tightening. The latter are similar to those described for the third embodiment in section Figure 12 .
  • Loops 303 are distributed on either side of the upper opening which is provided between the medial side 111 and the lateral side 112 of the lower part 11. The cable 38 runs through the loops 303 then passes through the loop of the strap 80 before entering the wheel of the actuating means 30.
  • the strap 80 comprises two portions. The first of these portions constitutes the external traction means 50. This portion of the strap 80 is fixed to the lateral side 111 of the lower part of the outer rod via an external anchor 502. The second portion of the strap 80 constitutes the internal traction means 60. This portion penetrates inside the lower part 11 and is fixed to the latter via the medial fixing means 16.
  • the internal traction means 60 and the external traction means 50 are connected to the same actuation means 30.
  • the tightening is carried out simultaneously on the exterior of the lower part 11 via the different passers-by 303 and the external traction means 50, but also inside the lower part 11, thanks to the internal traction means 60.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

La présente invention concerne les chaussures comportant une coque externe à l'intérieur de laquelle un chausson est inséré. Ce type de chaussure est notamment utilisé pour la pratique des sports d'hiver. La coque externe est principalement rigide et assure le maintien du pied de l'utilisateur tandis que le chausson interne est plus souple et a pour fonction d'assurer le confort du pied.The present invention relates to shoes comprising an external shell inside which a liner is inserted. This type of shoe is particularly used for winter sports. The outer shell is mainly rigid and provides support for the user's foot while the inner liner is more flexible and has the function of ensuring comfort for the foot.

FR 2661076 A1 divulgue une chaussure selon le préambule de la revendication 1. FR 2661076 A1 discloses a shoe according to the preamble of claim 1.

Les chaussures de ski alpin, notamment, comprennent une coque externe qui comprend une partie basse et une partie haute prévue pour envelopper la zone du bas de jambe. Partie haute et partie basse peuvent essentiellement être différentes portions d'une même structure, comme dans les chaussures dites à entrée arrière, mais en règle générale, la partie haute de la coque est un collier qui est articulé sur la partie basse de la coque de manière à permettre un certain mouvement angulaire de la jambe par rapport au pied.Alpine ski boots, in particular, include an external shell which includes a lower part and an upper part intended to wrap the lower leg area. Upper part and lower part can essentially be different portions of the same structure, as in so-called rear entry shoes, but as a general rule, the upper part of the shell is a collar which is articulated on the lower part of the shell of so as to allow a certain angular movement of the leg relative to the foot.

Pour permettre le chaussage de la chaussure, la partie basse dispose d'une ouverture sur le dessus. Cette ouverture est fermée par le recouvrement des rabats, ou overlaps qui sont maintenus l'un contre l'autre par des boucles de fermetures. Dans la plupart des chaussures, dites à overlaps, deux crochets sont utilisés pour fermer la partie basse de la coque, l'un de ces crochets se trouvant à proximité du cou-de-pied de l'utilisateur.To allow the shoe to be put on, the lower part has an opening on the top. This opening is closed by covering the flaps, or overlaps, which are held against each other by closing buckles. In most shoes, known as overlapping shoes, two hooks are used to close the lower part of the shell, one of these hooks being located near the user's instep.

La zone du cou-de-pied est une zone critique pour le confort du skieur. C'est, notamment, la zone où il est possible d'exercer un effort pour maintenir le talon du skieur bien en place au fond de la chaussure. C'est pourquoi, il y a systématiquement un des moyens de serrage de la chaussure qui se trouve au plus près qu'on appelle parfois le périmètre-court-talon. Pourtant, cette zone se trouve dans l'environnement immédiat de l'articulation de la cheville si bien que pour ne pas gêner les mouvements, on décale vers le bas la position du crochet de serrage cou-de-pied. Le crochet en question se trouve alors placé en regard de la zone bombée du dessus de pied.The instep area is a critical area for skier comfort. This is, in particular, the area where it is possible to exert an effort to keep the skier's heel firmly in place at the bottom of the boot. This is why there is systematically one of the means of tightening the shoe which is located closest, which is sometimes called the perimeter-short-heel. However, this area is located in the immediate environment of the ankle joint so that in order not to hinder movements, the position of the instep tightening hook is shifted downward. The hook in question is then placed opposite the curved area of the top of the foot.

Chez certaines personnes, cette zone bombée qui constitue la partie basse du cou-de-pied est particulièrement sensible. C'est pourquoi, ces skieurs peuvent être amenés à se tourner vers des professionnels de l'adaptation des chaussures de ski, appelés couramment "bootfitter".In some people, this rounded area which constitutes the lower part of the instep is particularly sensitive. This is why these skiers may need to turn to ski boot fitting professionals, commonly called “bootfitter”.

Les bootfitters peuvent intervenir de multiples manières sur une chaussure de ski pour la conformer le plus possible aux particularités du pied d'un utilisateur. Ils peuvent notamment déformer la coque, la "grinder" et ce dans toutes les zones où cela est possible. Cependant, il est parfois difficile d'intervenir au niveau du cou-de-pied du fait de la présence du crochet de serrage cou-de-pied. D'autre part, les modifications à la coque que le bootfitter apporte dans cette zone, peuvent tout simplement être sans effet sur le confort, dès que l'utilisateur serre la chaussure.Bootfitters can intervene in multiple ways on a ski boot to conform it as closely as possible to the particularities of a user's foot. In particular, they can deform the hull, "grind" it in all areas where this is possible. However, it is sometimes difficult to intervene at the instep due to the presence of the instep tightening hook. On the other hand, the modifications to the shell that the bootfitter makes in this area may simply have no effect on comfort, as soon as the user tightens the shoe.

Le manque de confort d'une chaussure de ski alpin est parfois accentué lorsque le chausson interne est lui-même équipé de son propre moyen de serrage, par exemple de lacets. En effet, la présence de moyens de serrage du chausson interne sous la coque génère une surépaisseur et une possible gêne pour l'utilisateur. C'est pourquoi de nombreux fabricants choisissent d'omettre des moyens de serrage spécifiques pour le chausson, au détriment de la qualité du maintien du pied dans la chaussure de ski. De plus, même lorsqu'il est présent le serrage interne est souvent difficile à régler au niveau du pied car la tige extérieure gêne l'activation de celui-ci.The lack of comfort of an alpine ski boot is sometimes accentuated when the internal liner is itself equipped with its own means of tightening, for example laces. Indeed, the presence of means for tightening the internal liner under the shell generates extra thickness and possible discomfort for the user. This is why many manufacturers choose to omit specific tightening means for the liner, to the detriment of the quality of the foot support in the ski boot. In addition, even when it is present, the internal tightening is often difficult to adjust at the level of the foot because the external rod hinders its activation.

Enfin, la tenue du pied au niveau de la cheville est toujours un élément clé de la performance du skieur. C'est pourquoi beaucoup d'utilisateurs sont parfois confrontés à un dilemme : Serrer fort la chaussure pour avoir une bonne tenue de la cheville au détriment du confort ou Ne pas serrer trop fort la chaussure pour privilégier le confort et éviter les douleurs au détriment de la performance.Finally, the fit of the foot at ankle level is always a key element of skier performance. This is why many users are sometimes faced with a dilemma: Tighten the shoe tightly to have good ankle support to the detriment of comfort or Do not tighten the shoe too tightly to favor comfort and avoid pain to the detriment of the performance.

L'objectif de l'invention est de fournir une chaussure de sport ayant une coque extérieure et un chausson interne qui ne présente pas les inconvénients de l'art antérieur.The objective of the invention is to provide a sports shoe having an outer shell and an inner liner which does not have the disadvantages of the prior art.

L'objectif de l'invention est par conséquent de fournir une chaussure de sport, notamment une chaussure de ski alpin, qui améliore le maintien du pied et notamment la tenue de la cheville tout en garantissant un meilleur confort par rapport aux chaussures de l'art antérieur.The objective of the invention is therefore to provide a sports shoe, in particular an alpine ski shoe, which improves the support of the foot and in particular the support of the ankle while guaranteeing better comfort compared to shoes of the prior art.

L'objectif de l'invention est également de faciliter le travail des bootfitters lorsqu'ils modifient une chaussure de série afin de la conformer aux pieds d'un utilisateur.The objective of the invention is also to facilitate the work of bootfitters when they modify a stock shoe in order to conform it to a user's feet.

L'objectif de l'invention est atteint par la fourniture d'une chaussure selon la revendication 1.The objective of the invention is achieved by providing a shoe according to claim 1.

Dans un mode de réalisation de l'invention, la chaussure est une chaussure de ski alpin qui comporte une tige extérieure et un chausson interne. Dans sa partie basse, la tige extérieure comporte deux flancs (un flanc médial, un flanc latéral) dont les extrémités supérieures, à savoir le rabat latéral, respectivement, le rabat latéral, sont mobiles l'une par rapport à l'autre et se chevauchent pour réaliser le serrage de la chaussure.In one embodiment of the invention, the shoe is an alpine ski boot which comprises an outer upper and an inner liner. In its lower part, the outer rod has two flanks (a medial flank, a lateral flank) whose upper ends, namely the lateral flap, respectively, the lateral flap, are movable relative to each other and are overlap to tighten the shoe.

De préférence, des moyens de connexion relient entre eux les moyens de traction interne et des moyens de traction externe.Preferably, connection means interconnect the internal traction means and the external traction means.

De préférence, lesdits moyens de serrage sont placés au niveau de la partie haute du cou-de-pied, à proximité de la ligne du périmètre court talon.Preferably, said tightening means are placed at the level of the upper part of the instep, close to the short heel perimeter line.

Dans certains modes de réalisation de l'invention, ledit moyen d'actionnement est fixé sur le flanc latéral de la partie basse par un premier ancrage externe, et les moyens de traction externe sont fixés sur le flanc médial de la partie basse par un deuxième ancrage externe tandis que les moyens de traction interne sont fixés à la tige extérieure par un ancrage interne.In certain embodiments of the invention, said actuation means is fixed on the lateral side of the lower part by a first external anchoring, and the external traction means are fixed on the medial side of the lower part by a second external anchoring while the internal traction means are fixed to the external rod by an internal anchoring.

L'objectif de l'invention est également atteint par la fourniture d'une chaussure qui en plus de reprendre les caractéristiques des cinq paragraphes précédents comporte aussi toute combinaison techniquement acceptable des caractéristiques suivantes :

  • les moyens de traction interne et les moyens de traction externe sont placés en continuité les uns des autres et en ce que les moyens de connexion comprennent un passage dans lequel les moyens de traction peuvent coulisser librement ;
  • les moyens de connexion comprennent des moyens de réglage qui permettent de régler la longueur des moyens de traction interne et/ou la longueur des moyens de traction externe ;
  • les moyens d'actionnement comprennent une boucle à mécanisme à genouillère et une crémaillère ;
  • les moyens d'actionnement comprennent un système à rochet et une sangle crantée ;
  • les moyens d'actionnement comprennent un enrouleur et un câble ;
  • les moyens de traction interne sont ancrés sous le pied de l'utilisateur ;
  • les moyens de traction interne comprennent une portion médiale et une portion latérale ;
  • les moyens de traction interne et/ou les moyens de traction externe comportent une portion élastique.
The objective of the invention is also achieved by providing a shoe which, in addition to incorporating the characteristics of the five preceding paragraphs, also includes any technically acceptable combination of the following characteristics:
  • the internal traction means and the external traction means are placed in continuity with each other and in that the connection means comprise a passage in which the traction means can slide freely;
  • the connection means comprise adjustment means which make it possible to adjust the length of the internal traction means and/or the length of the external traction means;
  • the actuation means comprise a loop with a toggle mechanism and a rack;
  • the actuation means include a ratchet system and a notched strap;
  • the actuation means include a reel and a cable;
  • the internal traction means are anchored under the user's foot;
  • the internal traction means comprise a medial portion and a lateral portion;
  • the internal traction means and/or the external traction means comprise an elastic portion.

L'invention sera mieux comprise par la lecture de la description qui suit à laquelle est joint le dessin comprenant les figures suivantes :

  • [Fig. 1] La figure 1 est une vue latérale d'une chaussure de ski selon un premier mode de réalisation de l'invention revendiquée.
  • [Fig. 2] La figure 2 est une vue en coupe selon le plan II-II de la tige extérieure d'un premier mode de réalisation de l'invention revendiquée. ,
  • [Fig. 3] La figure 3 est une vue schématique d'une première configuration possible pour les moyens de connexion entre moyens de traction interne et moyens de traction externe.
  • [Fig. 4] La figure 4 est une vue schématique d'une deuxième configuration possible pour les moyens de connexion entre moyens de traction interne et moyens de traction externe.
  • [Fig. 5] La figure 5 est une vue schématique d'une troisième configuration possible pour les moyens de connexion entre moyens de traction interne et moyens de traction externe.
  • [Fig. 6] La figure 6 est une vue en coupe selon le plan II-II de la tige extérieure d'un deuxième mode de réalisation de l'invention revendiquée.
  • [Fig. 7] La figure 7 est une vue schématique d'une première configuration possible pour les moyens de liaison entre la portion médiale et la portion latérale des moyens de traction interne du deuxième mode de réalisation de l'invention revendiquée.
  • [Fig. 8] La figure 8 est une vue schématique d'une deuxième configuration possible pour les moyens de liaison entre la portion médiale et la portion latérale des moyens de traction interne du deuxième mode de réalisation de l'invention revendiquée.
  • [Fig. 9] La figure 9 est une vue schématique d'une troisième configuration possible pour les moyens de liaison entre la portion médiale et la portion latérale des moyens de traction interne du deuxième mode de réalisation de l'invention revendiquée.
  • [Fig. 10] La figure 10 est une vue en coupe selon le plan II-II de la tige extérieure d'une première variante du deuxième mode de réalisation de l'invention revendiquée.
  • [Fig. 11] La figure 11 est une vue en coupe selon le plan II-II de la tige extérieure d'une deuxième variante du deuxième mode de réalisation de l'invention revendiquée.
  • [Fig. 12] La figure 12 est une vue en perspective de la partie basse d'une chaussure selon un troisième mode de réalisation de l'invention revendiquée.
  • [Fig. 13] La figure 13 est une vue de dessus d'un premier type de moyen de serrage pouvant être utilisés comme moyen d'actionnement dans le cadre de l'invention revendiquée.
  • [Fig. 14] La figure 14 est une vue de dessus d'un deuxième type de moyen de serrage pouvant être utilisés comme moyen d'actionnement dans le cadre de l'invention revendiquée.
  • [Fig. 15] La figure 15 est une vue de côté du moyen de serrage de la figure 14.
  • [Fig. 16] La figure 16 est une vue latérale d'une chaussure de ski selon un quatrième mode de réalisation de l'invention revendiquée. .
  • [Fig. 17] La figure 17 est une vue en coupe selon le plan III-III de la tige extérieure de la chaussure représentée à la figure 16.
The invention will be better understood by reading the following description to which is attached the drawing comprising the following figures:
  • [ Fig. 1 ] There figure 1 is a side view of a ski boot according to a first embodiment of the claimed invention.
  • [ Fig. 2 ] There figure 2 is a sectional view along plane II-II of the outer rod of a first embodiment of the claimed invention. ,
  • [ Fig. 3 ] There Figure 3 is a schematic view of a first possible configuration for the connection means between internal traction means and external traction means.
  • [ Fig. 4 ] There figure 4 is a schematic view of a second possible configuration for the connection means between internal traction means and external traction means.
  • [ Fig. 5 ] There figure 5 is a schematic view of a third possible configuration for the connection means between internal traction means and external traction means.
  • [ Fig. 6 ] There Figure 6 is a sectional view along plane II-II of the outer rod of a second embodiment of the claimed invention.
  • [ Fig. 7 ] There Figure 7 is a schematic view of a first possible configuration for the connection means between the medial portion and the lateral portion of the internal traction means of the second embodiment of the claimed invention.
  • [ Fig. 8 ] There figure 8 is a schematic view of a second possible configuration for the connection means between the medial portion and the lateral portion of the internal traction means of the second embodiment of the claimed invention.
  • [ Fig. 9 ] There Figure 9 is a schematic view of a third possible configuration for the connection means between the medial portion and the lateral portion of the internal traction means of the second embodiment of the claimed invention.
  • [ Fig. 10 ] There Figure 10 is a sectional view along plane II-II of the outer rod of a first variant of the second embodiment of the claimed invention.
  • [ Fig. 11 ] There Figure 11 is a sectional view along plane II-II of the outer rod of a second variant of the second embodiment of the claimed invention.
  • [ Fig. 12 ] There Figure 12 is a perspective view of the lower part of a shoe according to a third embodiment of the claimed invention.
  • [ Fig. 13 ] There figure 13 is a top view of a first type of clamping means which can be used as actuation means in the context of the claimed invention.
  • [ Fig. 14 ] There Figure 14 is a top view of a second type of clamping means which can be used as actuation means in the context of the claimed invention.
  • [ Fig. 15 ] There Figure 15 is a side view of the clamping means of the Figure 14 .
  • [ Fig. 16 ] There Figure 16 is a side view of a ski boot according to a fourth embodiment of the claimed invention. .
  • [ Fig. 17 ] There Figure 17 is a sectional view along plane III-III of the outer upper of the shoe shown in Figure 16 .

La figure 1 montre en vue de côté, la face latérale d'une chaussure de ski alpin. De manière connue elle se compose d'une tige extérieure 1 à l'intérieur de laquelle est inséré un élément de confort interne 2. Dans la configuration habituelle d'une chaussure de ski alpin, l'élément de confort interne se présente sous la forme d'un chausson totalement indépendant de la tige extérieure et pouvant de ce fait être extrait de la tige extérieure pour le remplacement, le séchage ou encore pour faire sur celui-ci des modifications. Bien que la présente invention soit décrite ci-dessous pour des chaussures ayant un élément de confort interne amovible, cette caractéristique ne constitue par pour autant une limitation.There figure 1 shows in side view, the side face of an alpine ski boot. In known manner it consists of an external upper 1 inside which an internal comfort element 2 is inserted. In the usual configuration of an alpine ski boot, the internal comfort element is in the form a liner completely independent of the outer upper and which can therefore be extracted from the outer upper for replacement, drying or even to make modifications to it. Although the present invention is described below for shoes having a removable internal comfort element, this characteristic does not constitute a limitation.

La tige extérieure 1 se présente sous la forme d'une coque relativement rigide réalisée par injection d'une matière thermoplastique telle que du PU (polyuréthane), du PA (polyamide), du PP (polypropylène) ou toute autre matière équivalente ou toute combinaison des matières précitées. Il est bien entendu possible de réaliser la tige extérieure d'une manière différente comme par exemple par assemblage de plusieurs panneaux textiles et/ou plastiques ou encore par rigidification de plis de fibres (carbone, verre, basait, lin, etc) au sein d'une matrice de résine thermodurcissable ou thermoplastique.The outer rod 1 is in the form of a relatively rigid shell made by injection of a thermoplastic material such as PU (polyurethane), PA (polyamide), PP (polypropylene) or any other equivalent material or any combination of the aforementioned materials. It is of course possible to make the outer upper in a different way, for example by assembling several textile panels and/or plastics or by stiffening fiber plies (carbon, glass, base, linen, etc.) within a thermosetting or thermoplastic resin matrix.

La tige extérieure 1 se compose principalement d'une partie basse 11, prévue pour accueillir le pied de l'utilisateur et d'une partie haute 12 prévue pour entourer le bas de jambe. La partie haute 12 est fixée sur la partie basse 11 avec une légère possibilité de mouvement de façon à accompagner la flexion générée par l'articulation de la cheville. La partie basse 11 est constituée d'une semelle 113 de laquelle sont issus un contrefort talon 114, une boîte d'avant-pied 115 ainsi que le flanc médial 111 et le flanc latéral 112 qui relient la boîte d'avant-pied 115 et le contrefort talon 114 sur le côté médial, respectivement le côté latéral de la chaussure. L'extrémité supérieure du flanc médial 111 ainsi que celle du flanc latéral 112 sont sensiblement mobiles l'une par rapport à l'autre et par rapport au reste de la tige extérieure. Dans le mode de réalisation de l'invention qui est choisi ici, les extrémités supérieures des flancs constituent des rabats, également appelés « overlaps » qui se chevauchent pour fermer l'ouverture supérieure 116 et en assurer l'étanchéité. Comme cela sera plus visible à la figure 2, dans la configuration décrite ici, le rabat médial 1111 recouvre le rabat latéral 1121.The outer upper 1 mainly consists of a lower part 11, designed to accommodate the user's foot and an upper part 12 designed to surround the lower leg. The upper part 12 is fixed on the lower part 11 with a slight possibility of movement so as to accompany the flexion generated by the ankle joint. The lower part 11 consists of a sole 113 from which comes a heel counter 114, a forefoot box 115 as well as the medial sidewall 111 and the lateral sidewall 112 which connect the forefoot box 115 and the heel counter 114 on the medial side, respectively the lateral side of the shoe. The upper end of the medial sidewall 111 as well as that of the lateral sidewall 112 are substantially movable relative to each other and to the rest of the outer rod. In the embodiment of the invention which is chosen here, the upper ends of the sides constitute flaps, also called “overlaps” which overlap to close the upper opening 116 and ensure its sealing. As this will be more visible figure 2 , in the configuration described here, the medial flap 1111 covers the lateral flap 1121.

Divers moyens de serrage sont placés en différents endroits de la tige extérieure afin, d'une part, de fermer la chaussure et d'en assurer l'étanchéité et, d'autre part, d'en adapter le volume intérieur au pied de l'utilisateur. La tige extérieure de la chaussure représentée à la figure 1 comprend cinq moyens de serrage, deux d'entre eux assurent le serrage de la partie basse 11 et les trois autres sont dédiés à la partie haute 12 de la tige extérieure.Various tightening means are placed in different places on the outer upper in order, on the one hand, to close the shoe and ensure its watertightness and, on the other hand, to adapt the interior volume to the foot of the shoe. 'user. The outer upper of the shoe shown in figure 1 comprises five tightening means, two of them ensure the tightening of the lower part 11 and the other three are dedicated to the upper part 12 of the outer rod.

Les moyens de serrage de la partie haute 12 comprennent deux boucles à crémaillères 33, 34 dont l'utilisation est très courante dans le domaine des chaussures de ski alpin. La partie haute étant constituée d'un collier ouvert dont les deux extrémités libres se chevauchent. L'une des extrémités porte une boucle à mécanisme de genouillère et l'autre extrémité porte une crémaillère 328 comportant une pluralité de dents. Une boucle à mécanisme de genouillère est représentée en vue de dessus à la figure 13.The means for tightening the upper part 12 include two rack buckles 33, 34, the use of which is very common in the field of alpine ski boots. The upper part consists of an open collar whose two free ends overlap. One of the ends carries a loop with a toggle mechanism and the other end carries a rack 328 comprising a plurality of teeth. A toggle mechanism buckle is shown in top view at figure 13 .

La boucle 32, est fixée sur la tige extérieure par l'intermédiaire d'une chape 324. Une palette 323 d'actionnement du moyen de serrage est montée pivotante sur la chape 324 grâce aux deux axes 326. La boucle 321, à proprement parler, est reliée à la palette 323 à l'aide d'un tirant 322, lequel est monté pivotant grâce à l'axe 325 dans une encoche ménagée au centre de la palette 323. Une goupille 327 placée à l'extrémité distale de la boucle 321 est prévue pour coopérer avec les dents de la crémaillère 328, la coopération de la goupille avec l'une ou l'autre des dents assurant un réglage différent du moyen de serrage.The loop 32 is fixed on the outer rod via a yoke 324. A pallet 323 for actuating the clamping means is pivotally mounted on the yoke 324 thanks to the two axes 326. The loop 321, strictly speaking , is connected to the pallet 323 using a tie rod 322, which is pivotally mounted thanks to the axis 325 in a notch provided in the center of the pallet 323. A pin 327 placed at the distal end of the loop 321 is designed to cooperate with the teeth of the rack 328, the cooperation of the pin with one or the other of the teeth ensuring a different adjustment of the tightening means.

Des moyens de serrage 33 et 34 sont donc des moyens de serrage du type venant d'être décrits. Le moyen de serrage supérieur 35, appelé communément serrage bas de jambe, est d'un type différent. Il s'agit d'un moyen de serrage qui offre plus de souplesse et une plus grande amplitude de réglage.Clamping means 33 and 34 are therefore clamping means of the type just described. The upper tightening means 35, commonly called lower leg tightening, is of a different type. This is a means of tightening which offers more flexibility and a greater range of adjustment.

Les moyens de serrage de la partie basse 11 de la tige extérieure comprennent une boucle à crémaillère 32 similaire à celle décrite plus haut et d'un moyen de serrage à sangle crantée et rochet 31, appelé communément « ratchet ». La boucle à crémaillère 32 assure le serrage de la partie d'avant-pied de la partie basse de la tige tandis que le moyen de serrage à sangle crantée et rochet 31 assure le serrage au niveau de la partie haute du cou-de-pied. Les figures 14 et 15 montrent respectivement une vue de dessus et une vue de côté d'un tel moyen de serrage ratchet. Le moyen de serrage est ancré sur une des portions de la tige extérieure par l'intermédiaire d'une chape 314. Une palette d'actionnement 313 est montée rotative sur la chape grâce aux deux axes 316. Un tunnel 317 est monté pivotant à l'intérieur d'une encoche ménagée dans la palette 313 par l'intermédiaire d'un axe 315 qui est décalé par rapport aux axes 316. Le tunnel 317 reçoit la sangle crantée 312 qui est à même d'y coulisser dans les deux directions. Un rochet 318 équipé d'une dent prévue pour coopérer avec les dents de la sangle crantée est monté pivotant. La rotation du rochet est contrainte par un ressort de telle manière que, en position de repos, la dent du rochet empêche le coulissement dans le sens du desserrage de la sangle crantée. L'action de serrage se réalise en deux phases successives. Dans la première phase, le pivotement de la palette 313, qui entraîne avec elle le tunnel 317 dans un mouvement de translation vers l'avant, a pour conséquence le glissement de la sangle crantée dans le sens de serrage. Dans la deuxième phase, le pivotement de la palette 313 dans l'autre sens, ramène le tunnel vers l'arrière ainsi que la sangle crantée dont le coulissement dans le tunnel est empêché par le rochet.The means for tightening the lower part 11 of the outer rod comprise a rack buckle 32 similar to that described above and a strap tightening means notched and ratchet 31, commonly called “ratchet”. The rack buckle 32 ensures the tightening of the forefoot part of the lower part of the upper while the tightening means with notched strap and ratchet 31 ensures the tightening at the level of the upper part of the instep . THE figures 14 and 15 respectively show a top view and a side view of such a ratchet tightening means. The clamping means is anchored on one of the portions of the outer rod via a yoke 314. An actuation pallet 313 is rotatably mounted on the yoke thanks to the two axes 316. A tunnel 317 is pivotally mounted at the inside a notch made in the pallet 313 via an axis 315 which is offset relative to the axes 316. The tunnel 317 receives the notched strap 312 which is able to slide there in both directions. A ratchet 318 equipped with a tooth designed to cooperate with the teeth of the notched strap is pivotally mounted. The rotation of the ratchet is constrained by a spring in such a way that, in the rest position, the tooth of the ratchet prevents sliding in the direction of loosening the notched strap. The tightening action is carried out in two successive phases. In the first phase, the pivoting of the pallet 313, which carries with it the tunnel 317 in a forward translation movement, results in the sliding of the notched strap in the tightening direction. In the second phase, the pivoting of the pallet 313 in the other direction brings the tunnel towards the rear as well as the notched strap, the sliding of which in the tunnel is prevented by the ratchet.

Comme on peut le voir à la figure 1, l'action de serrage du moyen de serrage à sangle crantée est réalisée au plus proche de la ligne la plus courte reliant l'appui médial du talon de l'utilisateur à l'appui latéral du même talon et passant par-dessus le pied. La proximité du plan de serrage avec le plan défini par cette ligne, appelée ligne du « périmètre court talon », assure un positionnement optimal du pied dans la chaussure car, ainsi, le pied est bien calé contre l'arrière de la chaussure. De plus, le déplacement vers le haut du serrage cou-de-pied libère un peu la zone située directement en dessous et qui dans les chaussures de l'art antérieur est occupée par un moyen de serrage de type boucle à crémaillère. En conséquence, il pourra être possible pour un « bootfitter » de modifier cette zone de la coque pour l'adapter à la forme du pied d'un utilisateur spécifique.As we can see in the figure 1 , the tightening action of the notched strap tightening means is carried out closest to the shortest line connecting the medial support of the user's heel to the lateral support of the same heel and passing over the foot . The proximity of the tightening plane to the plane defined by this line, called the “short heel perimeter” line, ensures optimal positioning of the foot in the shoe because, thus, the foot is well wedged against the rear of the shoe. In addition, the upward movement of the instep tightening frees up a little the area located directly below and which in the shoes of the prior art is occupied by a ratchet buckle type tightening means. As a result, it may be possible for a bootfitter to modify this area of the shell to adapt it to the shape of a specific user's foot.

La figure 2 représente en coupe selon le plan II-II la partie basse de la tige extérieure. Le plan II-II correspond sensiblement au plan parcouru par la ligne de périmètre court talon, tel qu'il est défini ci-dessus. Comme expliqué ci-dessus, on peut voir que celle-ci comprend une semelle 113 dont sont issus le flanc médial 111 et le flanc latéral 112. La partie basse étant réalisée par injection de matière thermoplastique, la semelle ainsi que les deux flancs constituent une même pièce d'un seul tenant. Cette dernière caractéristique ne constitue pas la seule possibilité de fabrication de la tige extérieure. En effet, on pourra envisager de réaliser celle-ci par un assemblage de différentes pièces rendues solidaires et immobiles les unes par rapport aux autres par tout moyen de fixation adéquat.There figure 2 represents in section along plane II-II the lower part of the outer rod. Plane II-II corresponds substantially to the plane traversed by the short heel perimeter line, as defined above. As explained above, it can be seen that this comprises a sole 113 from which the medial sidewall 111 and the lateral sidewall 112 come. The lower part being produced by injection of thermoplastic material, the sole as well as the two sidewalls constitute a same piece in one piece. This last characteristic does not constitute the only possibility of manufacturing the outer rod. Indeed, we could consider producing this by an assembly of different parts made integral and immobile in relation to each other by any suitable means of fixing.

Le rabat médial 1111 chevauche le rabat latéral 1121. Cependant, les rabats sont suffisamment mobiles l'un par rapport à l'autre pour permettre d'une part, de s'écarter l'un de l'autre agrandissant ainsi l'ouverture supérieure 116 et d'autre part, de glisser l'un sur l'autre réduisant ainsi le volume intérieur de la chaussure.The medial flap 1111 overlaps the lateral flap 1121. However, the flaps are sufficiently mobile relative to each other to allow, on the one hand, to move away from one another. on the other hand, thus enlarging the upper opening 116 and on the other hand, to slide one over the other, thus reducing the interior volume of the shoe.

Le dispositif de serrage caractéristique de l'invention présente un moyen d'actionnement 30. Dans cette vue, et dans les suivantes, le moyen d'actionnement est représenté schématiquement par une première boîte fonctionnelle en traits pointillés et référencée avec le signe 30 car, comme on le verra plus loin, ce moyen d'actionnement peut prendre plusieurs formes sans sortir du cadre de l'invention. Il peut notamment consister en une palette du mécanisme de serrage à rochet et sangle crantée 31 décrit aux figures 1, 14 et 15, ou bien en une palette du mécanisme à boucle et crémaillère 32 tel que décrit à la figure 13.The clamping device characteristic of the invention presents an actuation means 30. In this view, and in the following, the actuation means is represented schematically by a first functional box in dotted lines and referenced with the sign 30 because, as will be seen later, this actuation means can take several forms without departing from the scope of the invention. It may in particular consist of a pallet of the ratchet and notched strap tightening mechanism 31 described in figures 1 , 14 and 15 , or else in a pallet of the loop and rack mechanism 32 as described in figure 13 .

Le moyen d'actionnement 30 est fixé, ou peut être fixé de manière amovible, au flanc latéral 112 de la tige extérieure grâce à un premier ancrage externe 301. Il est fonctionnellement relié au flanc médial 111 par l'intermédiaire de moyens de traction externe 50 de façon à assurer le serrage de la tige. Les moyens de traction externe 50 sont fixés, ou alternativement, peuvent être fixés de manière amovible, au flanc latéral 111 de la tige extérieure par l'intermédiaire d'un deuxième ancrage externe 502.The actuation means 30 is fixed, or can be removably fixed, to the lateral side 112 of the outer rod thanks to a first external anchoring 301. It is functionally connected to the medial side 111 via external traction means 50 so as to ensure the tightening of the rod. The external traction means 50 are fixed, or alternatively, can be removably fixed, to the lateral side 111 of the external rod via a second external anchoring 502.

Le dispositif de serrage de l'invention comprend en outre des moyens de traction interne 60 qui sont essentiellement placés sous la tige extérieure et fixés à celle-ci grâce à un ancrage interne 603. Les moyens de traction externes 50 et les moyens de traction internes 60 sont associés de telle manière que le moyen d'actionnement 30 agisse simultanément sur les moyens de traction internes et externes. Les moyens de connexion qui assurent cette fonction sont représentés par une deuxième boîte fonctionnelle en traits pointillés et référencée avec le signe 40.The tightening device of the invention further comprises internal traction means 60 which are essentially placed under the outer rod and fixed thereto thanks to an internal anchoring 603. The external traction means 50 and the internal traction means 60 are associated in such a way that the actuating means 30 acts simultaneously on the internal and external traction means. The connection means which ensure this function are represented by a second functional box in dotted lines and referenced with the sign 40.

Les figures 3, 4 et 5 illustrent schématiquement trois configurations possibles pour réaliser les moyens de connexion 40 entre moyens de traction interne 60 et moyens de traction externe 50. A la figure 3, la connexion est fixe, si bien que lorsque les moyens d'actionnement 30 exercent une force sur les moyens de connexion, celle-ci se répartira sur les moyens de traction interne 60 ou externe 50 en fonction d'un certain nombre de facteurs. Dans le cas où les moyens de traction interne et externe présentent un module de Young identique, c'est la relation entre, d'une part les distances séparant le deuxième ancrage 502, respectivement le troisième ancrage 603, des moyens de connexion et, d'autre part, la longueur des moyens de traction interne et externe qui déterminera comment se fera cette répartition.THE figures 3, 4 And 5 schematically illustrate three possible configurations for producing the connection means 40 between internal traction means 60 and external traction means 50. At the Figure 3 , the connection is fixed, so that when the actuation means 30 exert a force on the connection means, this will be distributed on the internal traction means 60 or external 50 depending on a certain number of factors. In the case where the internal and external traction means have an identical Young's modulus, this is the relationship between, on the one hand, the distances separating the second anchor 502, respectively the third anchor 603, the connection means and, d On the other hand, the length of the internal and external traction means which will determine how this distribution will take place.

A la figure 4, la connexion est réglable et il est possible d'ajuster la longueur relative des moyens de traction interne et des moyens de traction externe. Il est alors possible de choisir une répartition de la force exercée par les moyens d'actionnement 30 sur les moyens de traction interne et externe. On pourra choisir différentes alternatives pour le réglage des moyens de connexion. Il est par exemple envisageable de permettre le réglage en longueur des moyens de traction interne et/ou des moyens de traction externe.To the Figure 4 , the connection is adjustable and it is possible to adjust the relative length of the internal traction means and the external traction means. It is then possible to choose a distribution of the force exerted by the actuation means 30 on the internal and external traction means. We can choose different alternatives for adjusting the connection means. It is for example possible to allow the length adjustment of the internal traction means and/or the external traction means.

A la figure 5, la connexion entre les moyens de traction interne 60 et les moyens de traction externe 50 est libre de façon à ce qu'un équilibrage des forces se produise automatiquement. Les moyens de traction interne et les moyens de traction externe sont placés en continuité l'un par rapport à l'autre, pouvant par exemple être constitués d'une même sangle, et ils passent dans une boucle 41 qui est reliée aux moyens d'actionnement et qui, ainsi, constitue les moyens de connexion.To the figure 5 , the connection between the internal traction means 60 and the external traction means 50 is free so that force balancing occurs automatically. The internal traction means and the external traction means are placed in continuity with each other, which can for example be made up of the same strap, and they pass through a loop 41 which is connected to the means of actuation and which, thus, constitutes the means of connection.

Quelle que soit la configuration choisie pour les moyens de connexion 40 entre les moyens de traction internes et les moyens de traction externe, le fonctionnement du dispositif de serrage complet est globalement le même. D'une part, les moyens de traction externe mis en tension grâce au moyen d'actionnement assurent le serrage de la tige extérieure d'une manière classique. C'est-à-dire que le flanc médial 111 se rapproche du flanc latéral 112. Et d'autre part, les moyens de traction interne 60, qui sont placés sous la tige extérieure agissent sur l'élément de confort interne 2, lui-même placé à l'intérieur de la tige. Ils permettent, en effet, de resserrer l'élément de confort interne contre le pied de l'utilisateur. Pour que l'action des moyens de traction interne soit significative sur l'élément de confort interne 2, il est important que le moyen d'ancrage interne 601 soit positionné le plus bas possible à l'intérieur de la tige extérieure. Dans le premier mode de réalisation, l'ancrage interne 601 est placé au niveau de la semelle 113. Il est donc placé en dessous de l'élément de confort interne.Whatever the configuration chosen for the connection means 40 between the internal traction means and the external traction means, the operation of the complete clamping device is generally the same. On the one hand, the external traction means placed in tension thanks to the actuation means ensure the tightening of the external rod in a conventional manner. That is to say that the medial sidewall 111 approaches the lateral sidewall 112. And on the other hand, the internal traction means 60, which are placed under the outer rod act on the internal comfort element 2, it -even placed inside the stem. They allow, in fact, to tighten the internal comfort element against the user's foot. For the action of the internal traction means to be significant on the internal comfort element 2, it is important that the internal anchoring means 601 is positioned as low as possible inside the outer rod. In the first embodiment, the internal anchor 601 is placed at the level of the sole 113. It is therefore placed below the internal comfort element.

Les moyens de traction interne 50 et externe 60 peuvent être réalisés de multiples façons différentes. De préférence, les moyens de traction internes sont plats et relativement souples. Il faut, en effet éviter qu'ils constituent une surépaisseur trop importante. Ils peuvent par exemple consister en une sangle textile, un câble ou une bande thermoplastique. Dans des modes de réalisation avantageux, ils sont réalisés dans une matière élastique, ou comporte une portion élastique. Les moyens de traction externe peuvent, bien entendu, être de même nature que les moyens de traction internes, c'est-à-dire sangle, élastique ou non, câble, etc... Mais ils peuvent également consister en une boucle de moyens de serrage classique comme la boucle 321 représentée à la figure 13.The internal 50 and external 60 traction means can be produced in many different ways. Preferably, the internal traction means are flat and relatively flexible. It is necessary, in fact, to avoid that they constitute too great an excess thickness. They can, for example, consist of a textile strap, a cable or a thermoplastic strip. In advantageous embodiments, they are made of an elastic material, or have an elastic portion. The external traction means can, of course, be of the same nature as the internal traction means, that is to say strap, elastic or not, cable, etc. But they can also consist of a loop of means classic tightening like the loop 321 shown in Figure 13 .

Le moyen de serrage selon l'invention peut permettre de gagner un peu de poids car des moyens d'actionnement commun assurent simultanément le serrage interne de l'élément de confort et le serrage externe de la tige extérieure, mais également d'améliorer l'efficacité du serrage externe. En effet, le serrage externe de la tige extérieure est d'autant plus aisé que le serrage de l'élément de confort interne n'a pas à être effectué de façon transitive par les moyens de traction externe mais par des moyens de traction interne distincts de ceux-ci. Néanmoins, un des avantages majeurs du moyen de serrage selon l'invention est d'améliorer la tenue de la cheville en réalisant un serrage interne de celle-ci. C'est notamment le cas lorsque les moyens de traction interne présentent une certaine élasticité.The tightening means according to the invention can make it possible to save a little weight because common actuation means simultaneously ensure the internal tightening of the comfort element and the external tightening of the outer rod, but also to improve the effectiveness of external tightening. Indeed, the external tightening of the external rod is all the easier since the tightening of the internal comfort element does not have to be carried out transitively by the external traction means but by distinct internal traction means of these. Nevertheless, one of the major advantages of the tightening means according to the invention is to improve the hold of the ankle by carrying out internal tightening of the latter. This is particularly the case when the internal traction means have a certain elasticity.

La figure 6 représente en coupe selon le plan II-II, la partie basse de la tige extérieure selon un deuxième mode de réalisation de l'invention. Ce qui différentie ce mode de celui représenté à la figure 2, c'est que les moyens de traction interne 60 comprennent une portion médiale 61 et une portion latérale 62. La portion médiale 61 est placée sous le flanc médial 111 et est fixée à l'intérieur de la tige extérieure par l'intermédiaire d'un premier ancrage interne 611, tandis que la portion latérale 62 est placée sous le flanc latéral 112 et est fixée à l'intérieur de ce dernier par un deuxième ancrage externe 621.There Figure 6 represents in section along plane II-II, the lower part of the outer rod according to a second embodiment of the invention. What differentiates this mode from that represented in figure 2 , is that the internal traction means 60 comprise a portion medial portion 61 and a lateral portion 62. The medial portion 61 is placed under the medial sidewall 111 and is fixed inside the outer rod via a first internal anchoring 611, while the lateral portion 62 is placed under the sidewall 112 and is fixed inside the latter by a second external anchoring 621.

Les deux portions 61, 62 des moyens de traction interne 60 sont reliées entre elles par des moyens de liaison 70 placés au-dessus de l'élément de confort interne 2, à proximité de l'ouverture supérieure 116 de la tige extérieure. Ces moyens de liaison 70 peuvent prendre plusieurs configurations.The two portions 61, 62 of the internal traction means 60 are connected together by connecting means 70 placed above the internal comfort element 2, near the upper opening 116 of the outer rod. These connection means 70 can take several configurations.

Les figures 7, 8 et 9 représentent schématiquement différentes configurations que peuvent prendre les moyens de liaison 70. A la figure 7, la portion médiale 61 et la portion latérale 62 sont solidarisées l'une avec l'autre de manière fixe. Les moyens de liaison 70 sont fixes. Ils peuvent être désolidarisés pour faciliter la mise en place du pied ou l'extraction de l'élément de confort interne 2 de la tige extérieure, mais lorsque qu'ils sont en place, il n'y a aucun mouvement entre portion latérale et portion médiale.THE figures 7, 8 And 9 schematically represent different configurations that the connection means 70 can take. Figure 7 , the medial portion 61 and the lateral portion 62 are secured to each other in a fixed manner. The connection means 70 are fixed. They can be detached to facilitate the installation of the foot or the extraction of the internal comfort element 2 from the external upper, but when they are in place, there is no movement between lateral portion and portion medial.

A la figure 8, les moyens de liaison sont libres, la portion latérale 62 se terminant par une boucle à travers de laquelle passe la portion médiale 61. A la figure 9, les moyens de liaison sont également libres, mais c'est la portion médiale 61 qui se termine par une boucle à travers de laquelle passe la portion latérale 62.To the figure 8 , the connecting means are free, the lateral portion 62 ending in a loop through which the medial portion 61 passes. Figure 9 , the connecting means are also free, but it is the medial portion 61 which ends in a loop through which the lateral portion 62 passes.

La figure 10 représente une première variante du deuxième mode de réalisation de l'invention dans lequel la portion médiale 61 et la portion latérale 62 des moyens de traction interne 60 sont fixées à la semelle 113 de la tige extérieure par un unique point d'ancrage interne 601. Dans cette variante, les moyens de liaison 60 peuvent prendre l'une des configurations décrites ci-dessus aux figures 7, 8 et 9.There Figure 10 represents a first variant of the second embodiment of the invention in which the medial portion 61 and the lateral portion 62 of the internal traction means 60 are fixed to the sole 113 of the outer upper by a single internal anchoring point 601. In this variant, the connection means 60 can take one of the configurations described above in the figures 7, 8 And 9 .

La figure 11 représente une deuxième variante du deuxième mode de réalisation de l'invention dans laquelle pour des raisons de simplicité de construction, les moyens de traction interne 60 ne disposent pas de point d'accroche sur l'intérieur de la tige. Ceux-ci sont placés sur toute la périphérie intérieure de la tige extérieure. Bien entendu, l'élément de confort interne 2 qui n'est pas représenté sur cette figure se trouve placé à l'intérieur des moyens de traction interne 60 et de ce fait assure l'ancrage de ces derniers.There Figure 11 represents a second variant of the second embodiment of the invention in which for reasons of simplicity of construction, the internal traction means 60 do not have an attachment point on the inside of the rod. These are placed around the entire inner periphery of the outer rod. Of course, the internal comfort element 2 which is not shown in this figure is placed inside the internal traction means 60 and therefore ensures the anchoring of the latter.

La figure 12 représente la partie basse de la tige extérieure de la chaussure équipée d'un moyen de serrage selon un troisième mode de réalisation de l'invention. Ce moyen de serrage se caractérise par le fait qu'il assure à la fois le serrage de la chaussure au niveau du cou-de-pied comme les différents modes de réalisation décrits ci-dessus mais également le serrage de la zone d'avant pied.There Figure 12 represents the lower part of the outer upper of the shoe equipped with a tightening means according to a third embodiment of the invention. This tightening means is characterized by the fact that it ensures both the tightening of the shoe at the level of the instep like the different embodiments described above but also the tightening of the forefoot area .

Dans ce mode de réalisation, le moyen d'actionnement 30 est constitué par un enrouleur de câble fixé sur le flanc latéral 112 par un premier ancrage externe 301 et par un câble fixé sur le flanc médial 111 par un deuxième ancrage externe 302. Les moyens de traction interne (non visibles sur la figure 12) et les moyens de traction externe 50 sont par exemple constitués d'une même sangle fixée d'une part sur l'extérieur du flanc médial 111 par un ancrage externe (non visible sur la figure car placé sur la partie cachée du flanc médial 111) et d'autre part par un ancrage interne (non visible car placé à l'intérieur de la tige). Dans une réalisation alternative, les moyens de traction interne et les moyens de traction externe, sont réalisés avec des matériaux différents, mais ils sont solidarisés les uns aux autres par couture, collage ou tout moyen équivalent. Les moyens de connexion 40 sont de même nature que ceux décrits à la figure 8. Il s'agit d'une boucle à travers de laquelle passe, d'une part, les moyens de traction 50, 60 et, d'autre part, le câble 38. Le câble 38 passe en outre dans des passants 303 placés de part et d'autre de l'ouverture supérieure.In this embodiment, the actuation means 30 is constituted by a cable reel fixed on the lateral side 112 by a first external anchor 301 and by a cable fixed on the medial side 111 by a second external anchor 302. The means internal traction (not visible on the Figure 12 ) and the external traction means 50 are for example made up of the same strap fixed on the one hand to the outside of the medial sidewall 111 by an external anchor (not visible in the figure because placed on the hidden part of the medial side 111) and on the other hand by an internal anchor (not visible because placed inside the rod). In an alternative embodiment, the internal traction means and the external traction means are made with different materials, but they are secured to each other by sewing, gluing or any equivalent means. The connection means 40 are of the same nature as those described in figure 8 . This is a loop through which, on the one hand, the traction means 50, 60 pass and, on the other hand, the cable 38. The cable 38 also passes through loops 303 placed on either side. and other of the upper opening.

La rotation de la molette du moyen d'actionnement 30 exerce une traction sur le câble 38, lequel exerce par suite une traction, non seulement, sur les moyens de connexion 40 et les moyens de traction interne et externe qui lui sont associés, mais encore, sur les flancs médial 111 et latéral 112 grâce aux passants 303 et à l'ancrage 302. Ce mode de réalisation permet un gain de poids supplémentaire par rapport aux premiers modes de réalisation.The rotation of the wheel of the actuating means 30 exerts traction on the cable 38, which subsequently exerts traction, not only on the connection means 40 and the internal and external traction means associated with it, but also , on the medial 111 and lateral 112 sides thanks to the loops 303 and the anchoring 302. This embodiment allows additional weight saving compared to the first embodiments.

Les figures 16 et 17 représentent respectivement une vue latérale et une vue selon en coupe d'une chaussure selon un quatrième mode de réalisation de l'invention. Comme les précédents modes de réalisation, la tige extérieure de la chaussure comprend une partie haute 12 et une partie basse 11 qui sont fixées l'une à l'autre par l'intermédiaire d'au moins deux moyens de fixation ; un moyen de fixation latéral 15 et un moyen de fixation médial 16. Ces moyens de fixation 15 et 16 sont placés au regard des malléoles de l'utilisateur et sont sensiblement alignés l'un avec l'autre. Dans l'exemple décrit, ces moyens sont constitués par des rivets qui traversent de part en part, la partie basse 11 et la partie haute 12.THE figures 16 and 17 respectively represent a side view and a sectional view of a shoe according to a fourth embodiment of the invention. Like the previous embodiments, the outer upper of the shoe comprises an upper part 12 and a lower part 11 which are fixed to each other via at least two fixing means; a lateral fixing means 15 and a medial fixing means 16. These fixing means 15 and 16 are placed facing the user's malleolus and are substantially aligned with each other. In the example described, these means are constituted by rivets which pass right through the lower part 11 and the upper part 12.

Les moyens de serrage de la partie haute 12 comprennent deux boucles à crémaillères 33, 34. Les moyens de serrage de la partie basse 11 sont constitués par un serrage par câble. Ces derniers sont similaires à ceux décrits pour le troisième mode de réalisation à la figure 12. Des passants 303 sont répartis de part et d'autre de l'ouverture supérieur qui est ménagée entre le flanc médial 111 et le flanc latéral 112 de la partie basse 11. Le câble 38 parcourt les passants 303 puis passe dans la boucle de la sangle 80 avant de pénétrer dans la molette du moyen d'actionnement 30.The tightening means of the upper part 12 comprise two rack buckles 33, 34. The tightening means of the lower part 11 consist of cable tightening. The latter are similar to those described for the third embodiment in section Figure 12 . Loops 303 are distributed on either side of the upper opening which is provided between the medial side 111 and the lateral side 112 of the lower part 11. The cable 38 runs through the loops 303 then passes through the loop of the strap 80 before entering the wheel of the actuating means 30.

La sangle 80 comprend deux portions. La première de ces portions constitue les moyens de traction externe 50. Cette portion de la sangle 80 est fixée au flanc latéral 111 de la partie basse de la tige extérieure par l'intermédiaire d'un ancrage externe 502. La deuxième portion de la sangle 80 constitue les moyens de traction interne 60. Cette portion pénètre à l'intérieur de la partie basse 11 et est fixée à cette dernière par l'intermédiaire du moyen de fixation médial 16.The strap 80 comprises two portions. The first of these portions constitutes the external traction means 50. This portion of the strap 80 is fixed to the lateral side 111 of the lower part of the outer rod via an external anchor 502. The second portion of the strap 80 constitutes the internal traction means 60. This portion penetrates inside the lower part 11 and is fixed to the latter via the medial fixing means 16.

Conformément à l'invention, les moyens de traction interne 60 et les moyens de traction externe 50 sont reliés aux mêmes moyens d'actionnement 30. Ainsi, lorsque l'utilisateur exerce une rotation sur la molette du moyen d'actionnement 30, le serrage est effectué simultanément sur l'extérieur de la partie basse 11 par l'intermédiaire aux différents passants 303 et aux moyens de traction externe 50, mais également à l'intérieur de la partie basse 11, grâce aux moyens de traction interne 60.According to the invention, the internal traction means 60 and the external traction means 50 are connected to the same actuation means 30. Thus, when the user rotates the wheel of the actuation means 30, the tightening is carried out simultaneously on the exterior of the lower part 11 via the different passers-by 303 and the external traction means 50, but also inside the lower part 11, thanks to the internal traction means 60.

Claims (12)

  1. Boot having an outer upper (1) inside which an internal comfort element (2) is inserted, said outer upper (1) comprising a top part (12) and a bottom part (11) and comprising at least two portions that are mobile with respect to one another; tightening means being provided so as to bring the two mobile portions closer to one another in order to adapt the volume of the boot to the foot of the user, said tightening means being placed on the bottom part (11) of the outer upper, at the top part of the instep, near the line of the short heel perimeter and said tightening means having external traction means (50) of which a first end is fastened to a first portion of the outer upper and of which a second end is in relation with actuation means (30) that are fastened to a second portion of the outer upper, characterized in that it also has internal traction means (60) mainly placed beneath the outer upper so as to act on the internal comfort element (2) in order to tighten the internal comfort element against the foot of the user, said internal traction means being in relation with the same actuation means (30).
  2. Boot according to Claim 1, characterized in that connection means (40) connect the internal traction means (60) and external traction means (50) to each other.
  3. Boot according to either of the preceding claims, characterized in that said actuation means (30) is fastened to the lateral flank (112) of the bottom part (11) by a first external anchorage (301), in that the outer traction means (50) are fastened to the medial flank (111) of the bottom part (11) by a second external anchorage (502).
  4. Boot according to the preceding claim, characterized in that the internal traction means (60) are fastened to the outer upper by an internal anchorage (601, 611, 621).
  5. Boot according to one of Claims 2 to 4, characterized in that the internal traction means (60) and the external traction means (50) are placed in continuity with one another and in that the connection means (40) comprise a passage in which the traction means can slide freely.
  6. Boot according to one of Claims 2 to 4, characterized in that the connection means (40) comprise adjustment means that make it possible to adjust the length of the internal traction means and/or the length of the external traction means.
  7. Boot according to one of the preceding claims, characterized in that the actuation means comprise a buckle with a toggle mechanism and a rack.
  8. Boot according to one of the preceding claims, characterized in that the actuation means comprise a ratchet system and a notched strap.
  9. Boot according to one of the preceding claims, characterized in that the actuation means comprise a winder and a cable.
  10. Boot according to one of the preceding claims, characterized in that the internal traction means are anchored beneath the foot of the user.
  11. Boot according to one of the preceding claims, characterized in that the internal traction means (60) comprise a medial portion (61) and a lateral portion (62) .
  12. Boot according to one of the preceding claims, characterized in that the internal traction means (60) and/or the external traction means (50) have an elastic portion.
EP21150399.0A 2020-01-10 2021-01-06 Fastening device for shoes Active EP3847919B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2000210A FR3106039B1 (en) 2020-01-10 2020-01-10 Shoe clamping device

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EP3847919A1 EP3847919A1 (en) 2021-07-14
EP3847919B1 true EP3847919B1 (en) 2024-03-27

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EP21150399.0A Active EP3847919B1 (en) 2020-01-10 2021-01-06 Fastening device for shoes

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EP (1) EP3847919B1 (en)
FR (1) FR3106039B1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3917350A4 (en) * 2019-02-01 2022-10-05 Boa Technology Inc. Reel based closure devices for tightening a ski boot
CN116829020A (en) * 2020-12-04 2023-09-29 Boa科技股份有限公司 Reel-based closure device
FR3117744B1 (en) * 2020-12-18 2023-11-17 Salomon Sas Ski boot and tightening device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH682879A5 (en) * 1990-04-24 1993-12-15 Lange Int Sa ski boot.
WO2016057697A1 (en) * 2014-10-07 2016-04-14 Boa Technology Inc. A tension adjustment mechanism and a method for adjusting the fit of a shoe
FR3074020B1 (en) * 2017-11-30 2021-04-09 Salomon Sas SPORTS SHOE CLAMPING DEVICE

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FR3106039B1 (en) 2022-02-11
FR3106039A1 (en) 2021-07-16
US20210212411A1 (en) 2021-07-15
EP3847919A1 (en) 2021-07-14

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