EP0486940A1 - Alpine ski boot - Google Patents

Alpine ski boot Download PDF

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Publication number
EP0486940A1
EP0486940A1 EP91119394A EP91119394A EP0486940A1 EP 0486940 A1 EP0486940 A1 EP 0486940A1 EP 91119394 A EP91119394 A EP 91119394A EP 91119394 A EP91119394 A EP 91119394A EP 0486940 A1 EP0486940 A1 EP 0486940A1
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EP
European Patent Office
Prior art keywords
rear cover
notch
ski boot
boot according
segment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP91119394A
Other languages
German (de)
French (fr)
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EP0486940B1 (en
Inventor
Jérôme Chaigne
Bernard Nerrinck
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Salomon SAS
Original Assignee
Salomon SAS
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Publication date
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Publication of EP0486940A1 publication Critical patent/EP0486940A1/en
Application granted granted Critical
Publication of EP0486940B1 publication Critical patent/EP0486940B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B7/00—Footwear with health or hygienic arrangements
    • A43B7/14—Footwear with health or hygienic arrangements with foot-supporting parts
    • A43B7/18—Joint supports, e.g. instep supports
    • A43B7/20—Ankle-joint supports or holders
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/0452—Adjustment of the forward inclination of the boot leg
    • A43B5/0454—Adjustment of the forward inclination of the boot leg including flex control; Dampening means
    • A43B5/0464—Adjustment of the forward inclination of the boot leg including flex control; Dampening means with exchangeable parts
    • 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
    • A43B5/048—Rear-entry skiboots

Definitions

  • the present invention relates to ski boots of the "rear entry” type, the rear cover of the upper of which can be locked in the skiing position on the latter and relates in particular to a device for controlling flexion. of the rod relative to the bottom of the hull.
  • Known ski boots of this type generally have a rear cover articulated on the bottom of the shell in the zone corresponding to the heel and lockable in the skiing practice position on the upper to maintain the lower leg of the skier, closing means such as "tensioner cable” connecting it to the front part of the rod.
  • closing means such as "tensioner cable” connecting it to the front part of the rod.
  • it is the anterior part of the upper which makes it possible to control in force and in amplitude the bending movements inflicted on the upper and directed in the longitudinal axis of the shoe; thus, when the upper is biased to bend, the front part moves and / or deforms by a certain amplitude in the direction of flexion while simultaneously driving the rear cover which then pivots on its articulation located in the heel area.
  • This articulation being offset downward relative to the flexible and / or deformable zone of the front part of the rod, which extends at the instep and the flexion fold of the skier's foot, it then a relative sliding between the rear cover and the front part of the rod.
  • This slip is most significant at the upper edge of the rod and in particular at that of the rear cover in contact with the rear part of the lower leg of the skier because it is the most distant part of the rear cover. of the articulation of the latter.
  • This sliding occurring while the closure means ensure close contact of the rear cover against the lower leg, it results in friction felt more or less painful by the skier.
  • ski boots with rear entry which include a rear cover provided with means which allow relatively large forward bending and which prevent any rearward bending. Mention may be made, for example, the ski boot described in the French patent application No. 2 358 119. As is taught, thanks to a segmentation of the rear cover that it can track down of the skier's leg when bending forward and retaining the latter backwards from its initial position of closure of the rod, the rear cover behaving "in the manner of a lobster tail".
  • this type of shoe has certain drawbacks described above; in fact, on the one hand, the relative sliding of the rear cover relative to the posterior part of the lower leg of the skier during flexions of the latter is not avoided because the segmentation of the rear cover is not centered on the pivot axis of the ankle and on the other hand, the pivot axis of the rod does not respect that of the skier's ankle. Also, the fact that the holding of the rear cover relative to the front part of the rod is carried out essentially by means of the closing means which connect this front part to the rear cover, the resistance of the rod in rear bending lacks firmness and, at the very least, varies depending on the force of closing the rod on the lower leg of the skier.
  • the present invention proposes to overcome these drawbacks in a simple and effective manner, by reducing the relative sliding of the rear cover relative to the rear part of the lower leg of the skier, by centering the axis of rotation of the rod substantially with that of the ankle in the area of the malleoli, and by ensuring a firm rear support having no incidence tending to limit the amplitude of the forward bending of the rod.
  • the ski boot is of the rear boot type, the upper of which has a rear cover connected to the bottom of the shell by means of a joint located in the heel area.
  • This rear cover has two wings which are each provided with a locking means cooperating with the sides of the rod in the zone corresponding to the malleoli.
  • a closing device keeps the wings of the rear cover on the sides of the rod in engagement with the locking means and connects said rear cover with the front part of the rod in the manner of a belt.
  • the shoe, object of the invention is characterized in that the rear cover has at least one transverse notch open towards the outside of the shoe, on the side constituting the rear part of the upper and in that this notch s' extends over a certain depth along a plane intersecting that passing through the locking means and the articulation of said rear cover on the bottom of the hull; the notch is thus oriented towards the lower edge of the wings of the rear cover and, depending on its depth, leaves a wall length of said wings more or less between its bottom and said lower edge thereof; this remaining wall length thus forms a "bridge" of material which is located in the extension of the notch, which thus determines, on the one hand, an upper segment centered on the locking means in the region of the malleoli and, on the other hand, a lower segment focused on the articulation of the rear cover in the heel area, the two segments remaining connected to each other by said bridge of material.
  • the lower segment constitutes, by its upper edge contiguous to that lower of the upper segment, a stop stop preventing any pivoting towards the rear of said upper segment, as soon as the edges are in contact.
  • the means for locking the wings on the flanks of the upper of the shoe is provided with an arrangement allowing its rotation on itself relative to said flanks of the upper, or allowing the rotation of the upper segment on him ; in the two cases of constructions mentioned, the locking means serves as a pivot for the upper segment relative to and on the sides of the rod.
  • the shell bottom of the ski boot has two relatively rigid vertical extensions which rise on either side of the upper of the boot and which form the sides of said upper with which cooperates.
  • the means for locking the wings of the rear cover In this way, when the upper of the boot is closed for skiing, the rear cover is locked in the anteroposterior position by means of its hinge pin located in the heel area, by its locking means on extensions vertical from the bottom of the hull and by the abutment of its upper and lower segments along their contiguous edges; the closure device of said upper ensuring the assembly and the maintenance of the constituent parts of the latter between them, it is the upper of the shoe as a whole which is thus prohibited from any possibility of bending in the anteroposterior direction.
  • the limiting member is constituted by a rigid closed ring extending on either side of the side of the opening of the notch in the rear part of the rear cover; this ring is provided on the one hand, retained on each of the upper and lower segments thus connected together by the latter, and on the other hand, mounted sliding in a lumen on at least one of these segments; the light in this case has a predetermined length fixing the maximum authorized spacing of the edges of the notch when the rod is bent on the front, the latter thus being limited in movement in the same direction.
  • the notch has its edges spaced from one another and a filling element is provided to be engaged therein to fill the space left free between its edges.
  • the filling element is provided rigid or, on the contrary, elastically compressible; in the first case of construction, a rear cover is obtained which is prohibited from any possibility of anteroposterior bending and in the second case, a rear cover in which the upper segment is provided with a possibility of bending as a function of the compressibility of the filling element.
  • this filling element is advantageously provided with means for fitting and / or retaining on the rear cover allowing it to be removable for replacement.
  • the ski boot object of the invention is of the rear entry type and its upper 8 includes in particular a rear cover 1 which is connected to the bottom of the shell 2 in the heel area 3 by means of an articulation 4.
  • This rear cover 1 has two wings 5 which are each provided with a locking means 6 cooperating with the sides 7 of the rod 8 in the zone 9 corresponding approximately to the malleoli of the skier.
  • a closure device 10 holds the wings 5 of the rear cover 1 on the sides 7 of the rod 8 in engagement with the locking means 6 and connects said rear cover 1 with the front part 11 of the rod 8.
  • the wings 5 of the rear cover 1 extend towards the front of the rod 8 and at least partially cover the front part 11 of the latter, which they enclose in the manner of a collar by means of the closure device 10.
  • This front part 11 of the rod 8 is here obtained from a front cover 12 which covers the top of the foot, but can also be obtained in one piece with the bottom of the shell 2.
  • the rear cover 1 is produced with a notch 13 called "flexion"; this flexion notch 13 is open towards the outside of the shoe on the side 8 ′ constituting the rear part of the upper 8 and extends along a plane 14 intersecting that 15 which passes through the locking means 6 on each side 7 of the rod and by the articulation 4 of the rear cover 1.
  • the notch 13 is thus oriented towards the edge lower 5 'of the wings 5 and leaves, depending on its depth, a wall length of said wings more or less between its bottom 16 and said edge 5'.
  • This wall length constitutes a bridge 17 of material which is located in the extension of the notch 13, which notch thus determines, on the one hand, an upper segment 18 centered on the locking means 6 and, on the other hand, a lower segment 19 centered on the articulation 4 of the rear cover 1.
  • the rear cover 1 is operated in opening and closing on the rod 8 of the shoe in the same way as if it were not segmented, that is to say as on a shoe with traditional rear entry of the type comprising a locking of rear cover on the upper. Furthermore, when the rod 8 is closed for skiing with the closure device 10, the rear cover 1 is blocked in the anteroposterior position by means of its hinge pin 4 and of its locking means 6 on the sides 7 of the rod, and by the abutment of its upper 18 and lower 19 segments along their contiguous edges, respectively 18 'and 19'.
  • the upper segment 18 is capable of pivoting in the postero-anterior direction; in fact, in FIG. 3, when the rod 8 is urged forward under the action of the skier's leg, the rear cover 1 is pulled in the same direction and, because its lower segment 19 is completely immobilized by the hinge 4 and the locking means 6, only the upper segment 18 is subjected to bending. The latter then pivots on the locking means 6, causing the edges 18 'and 19' of the notch 13 to move apart against the more or less elastic resistance of the material bridge 17 which remains between the notch bottom and the edge. lower 5 'of the wings 5.
  • the locking means 6 advantageously consists of two interlocking parts, the outline of which is circular, one being projecting and the other recessed, and, on the other hand, said means of locking 6 cooperates with two relatively rigid vertical extensions 20 coming from the bottom of the shell 2 and which form the sides of the rod 8.
  • the upper segment 18 is thus capable of turning on the locking means 6 which acts as a pivot , which, cooperating with the extensions 20 of the bottom of the shell 2, remains practically fixed in position despite the bending forces which tend to lower it.
  • interlocking parts of circular outline for the locking means 6 it is also envisaged, as visible in FIG.
  • the notch 23 has its edges 28 ′, 29 ′ relatively spaced apart from one another when the rear cover 21 is in the initial locking position on the upper 8 of the shoe.
  • the upper segment 28 is thus capable of a certain rearward bending relative to the lower segment 29 as a function of the spacing of the edges 28 ′ and 29 ′ and limited by the positioning abutment thereof, as shown in Figure 5; as in the case of forward bending, the upper segment 28 remains centered on the locking means 6 located in the zone corresponding approximately to the malleoli.
  • the notch 23 may be provided to receive a filling element 30 filling the space left free between its edges 28 'and 29'.
  • a rear cover 21 is obtained capable of offering a more or less firm anteroposterior support: in fact, when the filling element 30 is made of a material rigid, a rear cover 21 is obtained, the upper segment 28 of which is prohibited from pivoting backwards.
  • the filling element 30 is made of an elastically compressible material, the upper segment 28 is authorized to a certain pivoting depending on the compressibility of the material.
  • this filling element 30 is removably adapted on the rear cover 21 and has means for retaining by interlocking, gluing, etc.; thus, for a given ski boot, comprising a rear cover 21, its possibilities of anteroposterior flexion can be varied according to the ski technique of the skier.
  • FIG. 6 shows a rear cover 1, seen in longitudinal section, provided with a sealing membrane 40.
  • the notch 13 being intended to open more or less, this membrane 40 is advantageously provided in a elastic material and fixed by any known suitable retaining means, such as by gluing, welding, riveting, etc.
  • the notch 23 with spaced edges 28 '- 29' is closed by a filling element 30 provided with a flange 31 for covering the notch 23 extending from the inside of the rear cover 21, which flange advantageously constitutes the means for retaining said element on the cover.
  • this flange 31 can be fixed by any known means mentioned above.
  • these parts and sealing means 40 and 31 can be made to fit into corresponding parts obtained on the rear cover.
  • the sealing means 50 consists of a flexible gutter-shaped plate which is integral with the lower segment 19 and which extends inside the upper segment 18. This type of construction makes it possible to produce the seal and also, depending on the flexibility chosen of the means 50, to change the resistance to forward bending of the upper segment 18 without modifying the initial characteristics of the notch 13.
  • notches 13 and / or 23 can be produced in the rear cover 1, 21 provided that they are located between the joint 4 of said cover and the locking means 6, in order to guarantee the pivoting of the upper segment 18 and / or 28 on said locking means 6.
  • FIGS. 1 to 7 that the rear cover 1, 21 can be provided with a stiffening element 35 which extends in the vertical direction on the rear part 8 ′ of said cover, of the upper segment 18, 28 up to the lower segment 19, 29, on either side of the notch 13, 23, still according to the invention.
  • this member 55 for limiting the possible spacing of its edges 18 ', 19' delimiting the upper segments 18 and Lower 19.
  • this member 55 consists of a closed rigid ring which extends on either side of the edges 18 ', 19' of the notch 13, and which is retained on the segments 18, 19 in the area of the stiffening element 35.
  • the stiffening element 35 has two slots or longitudinal recesses 36, 36 'closed by a shoulder 38, 39 at least on the side corresponding to the edges 18', 19 '; the ring 55 is thus capable of sliding in one and / or the other of these recesses 36, 36 'until it comes into abutment on the shoulder 38 and 39 thereof, as illustrated in the Figure 10, and thus limit the amplitude of the pivoting of the upper segment 18 on its locking means 6 in the postero-anterior direction.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Epidemiology (AREA)
  • Public Health (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

The present invention relates to a rear-entry alpine ski boot, in which the rear covering (1) locks on the sides (7) of the upper (8). <??>This boot is characterised in that the rear covering (1) has a recess (13) in its rear part (8'), which recess extends in a plane (14) intersecting that (15) passing via its locking mechanism (6) on the upper (8) and its articulation (4) on the lower shell part (2) and defines an upper segment (18) centred on the locking mechanism (6) and a lower segment (19) centred on the articulation (4). <IMAGE>

Description

La présente invention concerne les chaussures de ski du type "à entrée par l'arrière", dont le capot arrière de la tige est verrouillable en position de pratique du ski sur cette dernière et se rapporte en particulier à un dispositif de contrôle de la flexion de la tige par rapport au bas de coque.The present invention relates to ski boots of the "rear entry" type, the rear cover of the upper of which can be locked in the skiing position on the latter and relates in particular to a device for controlling flexion. of the rod relative to the bottom of the hull.

Les chaussures de ski connues de ce type comportent généralement un capot arrière articulé sur le bas de coque dans la zone correspondant au talon et verrouillable en position de pratique du ski sur la tige pour maintenir le bas de jambe du skieur, des moyens de fermeture genre "câble-tendeur" le reliant à la partie antérieure de la tige. Dans ces chaussures, c'est la partie antérieure de la tige qui permet de contrôler en force et en amplitude les mouvements de flexion infligés à la tige et dirigés dans l'axe longitudinal de la chaussure ; ainsi, lorsque la tige est sollicitée à fléchir, la partie antérieure se déplace et/ou se déforme d'une certaine amplitude dans le sens de la flexion en entraînant simultanément le capot arrière qui pivote alors sur son articulation située dans la zone du talon. Cette articulation étant décalée vers le bas par rapport à la zone flexible et/ou déformable de la partie antérieure de la tige, qui s'étend au niveau du cou-de-pied et du pli de flexion du pied du skieur, il s'ensuit un glissement relatif entre le capot arrière et la partie antérieure de la tige. Ce glissement est le plus important au niveau de la bordure supérieure de la tige et notamment au niveau de celle du capot arrière au contact de la partie postérieure du bas de jambe du skieur du fait que c'est la partie du capot arrière la plus éloignée de l'articulation de ce dernier. Ce glissement se produisant alors que les moyens de fermeture assurent un contact étroit du capot arrière contre le bas de jambe, il résulte un frottement ressenti de manière plus ou moins douloureuse par le skieur. Par ailleurs, un tel concept de la tige de la chaussure ne permet pas de respecter la zone d'articulation de la cheville du skieur qui est située au niveau des malléoles. Egalement, on remarque que dans ce type de chaussure, la résistance de la tige en flexion vers l'arrière manque de fermeté du fait que c'est la partie antérieure de ladite tige qui contrôle seule la flexion globale de cette dernière et que les moyens de fermeture amplifient encore ce manque de fermeté. Cet inconvénient est résolu dans d'autres chaussures de ski à entrée par l'arrière connues où le capot arrière est doté sur ses ailes de parties d'emboîtement coopérant avec des parties correspondantes disposées sur les flancs de la tige, réalisant ainsi un verrou empêchant tout mouvement relatif du capot arrière par rapport à la partie antérieure de la tige dans le sens longitudinal de la chaussure. Par contre, du fait de cette immobilisation, la possibilité de flexion de la tige s'en trouve très limitée, voire insuffisante pour une bonne pratique du ski en entravant exagérément les possibilités de flexion de la cheville du skieur.Known ski boots of this type generally have a rear cover articulated on the bottom of the shell in the zone corresponding to the heel and lockable in the skiing practice position on the upper to maintain the lower leg of the skier, closing means such as "tensioner cable" connecting it to the front part of the rod. In these shoes, it is the anterior part of the upper which makes it possible to control in force and in amplitude the bending movements inflicted on the upper and directed in the longitudinal axis of the shoe; thus, when the upper is biased to bend, the front part moves and / or deforms by a certain amplitude in the direction of flexion while simultaneously driving the rear cover which then pivots on its articulation located in the heel area. This articulation being offset downward relative to the flexible and / or deformable zone of the front part of the rod, which extends at the instep and the flexion fold of the skier's foot, it then a relative sliding between the rear cover and the front part of the rod. This slip is most significant at the upper edge of the rod and in particular at that of the rear cover in contact with the rear part of the lower leg of the skier because it is the most distant part of the rear cover. of the articulation of the latter. This sliding occurring while the closure means ensure close contact of the rear cover against the lower leg, it results in friction felt more or less painful by the skier. Furthermore, such a concept of the upper of the boot does not make it possible to respect the articulation zone of the skier's ankle which is located at the level of the malleoli. Also, it is noted that in this type of shoe, the resistance of the rod in bending backwards lacks firmness because it is the anterior part of said rod which alone controls the overall bending of the latter and that the means closure further amplify this lack of firmness. This drawback is solved in other known rear entry ski boots where the rear cover is provided on its wings with interlocking parts cooperating with corresponding parts arranged on the sides of the rod, thus producing a lock preventing any relative movement of the rear cover relative to the front part of the upper in the longitudinal direction of the shoe. On the other hand, due to this immobilization, the possibility of bending the rod is very limited, even insufficient for good skiing practice by excessively hampering the possibilities of bending the ankle of the skier.

On connaît encore d'autres chaussures de ski à entrée par l'arrière, qui comportent un capot arrière doté de moyens autorisant par contre une flexion relativement importante vers l'avant et interdisant tout fléchissement vers l'arrière. On peut citer, à titre d'exemple, la chaussure de ski décrite dans la demande de brevet français no 2 358 119. Comme cela est enseigné, c'est grâce à une segmentation du capot arrière que celui-ci peut suivre le bas de jambe du skieur lors des flexions vers l'avant et retenir ce dernier vers l'arrière à partir de sa position initiale de fermeture de la tige, le capot arrière se comportant "à la manière d'une queue de homard". Ce type de chaussure présente cependant certains inconvénients exposés précédemment ; en effet, d'une part le glissement relatif du capot arrière par rapport à la partie postérieure du bas de jambe du skieur lors des flexions de celle-ci n'est pas évité car la segmentation du capot arrière n'est pas centrée sur l'axe de pivotement de la cheville et d'autre part, l'axe de pivotement de la tige ne respecte pas celui de la cheville du skieur. Egalement, du fait que la tenue du capot arrière par rapport à la partie antérieure de la tige est réalisée essentiellement par l'intermédiaire des moyens de fermeture qui relient cette partie antérieure au capot arrière, la résistance de la tige en flexion arrière manque de fermeté et, pour le moins, varie en fonction de l'effort de fermeture de la tige sur le bas de jambe du skieur.Other ski boots with rear entry are also known, which include a rear cover provided with means which allow relatively large forward bending and which prevent any rearward bending. Mention may be made, for example, the ski boot described in the French patent application No. 2 358 119. As is taught, thanks to a segmentation of the rear cover that it can track down of the skier's leg when bending forward and retaining the latter backwards from its initial position of closure of the rod, the rear cover behaving "in the manner of a lobster tail". However, this type of shoe has certain drawbacks described above; in fact, on the one hand, the relative sliding of the rear cover relative to the posterior part of the lower leg of the skier during flexions of the latter is not avoided because the segmentation of the rear cover is not centered on the pivot axis of the ankle and on the other hand, the pivot axis of the rod does not respect that of the skier's ankle. Also, the fact that the holding of the rear cover relative to the front part of the rod is carried out essentially by means of the closing means which connect this front part to the rear cover, the resistance of the rod in rear bending lacks firmness and, at the very least, varies depending on the force of closing the rod on the lower leg of the skier.

La présente invention se propose de pallier à ces inconvénients de manière simple et efficace, en réduisant le glissement relatif du capot arrière par rapport à la partie postérieure du bas de jambe du skieur, en centrant l'axe de rotation de la tige sensiblement avec celui de la cheville dans la zone des malléoles, et en assurant un appui arrière ferme n'ayant aucune incidence tendant à limiter l'amplitude de la flexion vers l'avant de la tige.The present invention proposes to overcome these drawbacks in a simple and effective manner, by reducing the relative sliding of the rear cover relative to the rear part of the lower leg of the skier, by centering the axis of rotation of the rod substantially with that of the ankle in the area of the malleoli, and by ensuring a firm rear support having no incidence tending to limit the amplitude of the forward bending of the rod.

Selon l'invention, la chaussure de ski est du type à chaussage par l'arrière dont la tige comporte un capot arrière relié au bas de coque par l'intermédiaire d'une articulation située dans la zone du talon. Ce capot arrière présente deux ailes qui sont, chacune, pourvues d'un moyen de verrouillage coopérant avec les flancs de la tige dans la zone correspondant aux malléoles. Un dispositif de fermeture maintient les ailes du capot arrière sur les flancs de la tige en prise sur le moyen de verrouillage et relie ledit capot arrière avec la partie antérieure de la tige à la manière d'une ceinture. La chaussure, objet de l'invention, se caractérise par le fait que le capot arrière présente au moins une entaille transversale ouverte vers l'extérieur de la chaussure, du côté constituant la partie postérieure de la tige et en ce que cette entaille s'étend sur une certaine profondeur selon un plan sécant à celui passant par le moyen de verrouillage et l'articulation dudit capot arrière sur le bas de coque ; l'entaille est ainsi orientée en direction du bord inférieur des ailes du capot arrière et, selon sa profondeur, laisse subsister une longueur de paroi desdites ailes plus ou moins importante entre son fond et ledit bord inférieur de celles-ci ; cette longueur de paroi qui subsiste forme ainsi un "pont" de matière qui se situe dans le prolongement de l'entaille, laquelle détermine ainsi, d'une part, un segment supérieur axé sur le moyen de verrouillage dans la zone des malléoles et, d'autre part, un segment inférieur axé sur l'articulation du capot arrière dans la zone du talon, les deux segments restant reliés entre eux par ledit pont de matière. Dans une telle construction, le segment inférieur constitue, par sa bordure supérieure contiguë à celle inférieure du segment supérieur, une butée d'arrêt interdisant tout pivotement vers l'arrière dudit segment supérieur, dès que les bordures sont en contact. Toujours selon l'invention, le moyen de verrouillage des ailes sur les flancs de la tige de la chaussure est doté d'un aménagement autorisant sa rotation sur lui-même par rapport auxdits flancs de la tige, ou autorisant la rotation du segment supérieur sur lui ; dans les deux cas de constructions évoqués, le moyen de verrouillage sert de pivot au segment supérieur par rapport et sur les flancs de la tige. Par ailleurs, selon un mode de construction préféré, le bas de coque de la chaussure de ski présente deux extensions verticales relativement rigides qui montent de part et d'autre de la tige de la chaussure et qui forment les flancs de ladite tige avec lesquels coopère le moyen de verrouillage des ailes du capot arrière. De la sorte, lorsque la tige de la chaussure est fermée en vue de la pratique du ski, le capot arrière se trouve bloqué en position antéro-postérieure par l'intermédiaire de son axe d'articulation situé dans la zone du talon, par son moyen de verrouillage sur les extensions verticales venues du bas de coque et par la mise en butée de ses segments supérieur et inférieur le long de leurs bordures contiguës ; le dispositif de fermeture de ladite tige assurant l'assemblage et le maintien des parties constitutives de cette dernière entre elles, c'est la tige de la chaussure dans son ensemble qui est ainsi interdite de toute possibilité de flexion dans le sens antéro-postérieur. Par contre, lorsque la tige est sollicitée à fléchir dans le sens postéro-antérieur, le capot arrière est tiré sur l'avant par l'intermédiaire du dispositif de fermeture qui le relie à la partie antérieure de ladite tige et, par voie de conséquence, du fait de l'immobilisation totale du segment inférieur retenu entre l'articulation du capot arrière et le moyen de verrouillage, c'est alors le segment supérieur qui est assujetti en pivotement sur son moyen de verrouillage contre la résistance à la flexion que peut opposer le "pont de matière" qui subsiste entre le fond de l'entaille et le bord inférieur des ailes du capot arrière.According to the invention, the ski boot is of the rear boot type, the upper of which has a rear cover connected to the bottom of the shell by means of a joint located in the heel area. This rear cover has two wings which are each provided with a locking means cooperating with the sides of the rod in the zone corresponding to the malleoli. A closing device keeps the wings of the rear cover on the sides of the rod in engagement with the locking means and connects said rear cover with the front part of the rod in the manner of a belt. The shoe, object of the invention, is characterized in that the rear cover has at least one transverse notch open towards the outside of the shoe, on the side constituting the rear part of the upper and in that this notch s' extends over a certain depth along a plane intersecting that passing through the locking means and the articulation of said rear cover on the bottom of the hull; the notch is thus oriented towards the lower edge of the wings of the rear cover and, depending on its depth, leaves a wall length of said wings more or less between its bottom and said lower edge thereof; this remaining wall length thus forms a "bridge" of material which is located in the extension of the notch, which thus determines, on the one hand, an upper segment centered on the locking means in the region of the malleoli and, on the other hand, a lower segment focused on the articulation of the rear cover in the heel area, the two segments remaining connected to each other by said bridge of material. In such a construction, the lower segment constitutes, by its upper edge contiguous to that lower of the upper segment, a stop stop preventing any pivoting towards the rear of said upper segment, as soon as the edges are in contact. Still according to the invention, the means for locking the wings on the flanks of the upper of the shoe is provided with an arrangement allowing its rotation on itself relative to said flanks of the upper, or allowing the rotation of the upper segment on him ; in the two cases of constructions mentioned, the locking means serves as a pivot for the upper segment relative to and on the sides of the rod. Furthermore, according to a preferred construction method, the shell bottom of the ski boot has two relatively rigid vertical extensions which rise on either side of the upper of the boot and which form the sides of said upper with which cooperates. the means for locking the wings of the rear cover. In this way, when the upper of the boot is closed for skiing, the rear cover is locked in the anteroposterior position by means of its hinge pin located in the heel area, by its locking means on extensions vertical from the bottom of the hull and by the abutment of its upper and lower segments along their contiguous edges; the closure device of said upper ensuring the assembly and the maintenance of the constituent parts of the latter between them, it is the upper of the shoe as a whole which is thus prohibited from any possibility of bending in the anteroposterior direction. On the other hand, when the rod is biased to bend in the postero-anterior direction, the rear cover is pulled on the front by means of the closing device which connects it to the front part of said rod and, consequently , due to the total immobilization of the lower segment retained between the articulation of the rear cover and the locking means, it is then the upper segment which is pivotally secured on its locking means against the resistance to bending that can to oppose the "bridge of matter" which remains between the bottom of the notch and the lower edge of the wings of the rear cover.

Il est évident que, plus le "pont" de matière est important et que le matériau employé est peu flexible, plus la résistance au pivotement du segment supérieur sur le moyen de verrouillage qui sert de pivot est élevée. Egalement, selon l'orientation donnée à l'entaille par rapport au plan passant par l'articulation et par le moyen de verrouillage du capot arrière, et selon qu'elle est située plus ou moins à proximité de ladite articulation ou dudit moyen de verrouillage, la résistance du pont de matière au pivotement du segment supérieur sera plus ou moins importante, ainsi que l'amplitude de débattement autorisée.It is obvious that, the greater the "bridge" of material and the less flexible the material used, the higher the resistance to pivoting of the upper segment on the locking means which acts as a pivot. Also, according to the orientation given to the notch with respect to the plane passing through the articulation and by the locking means of the rear cover, and according to whether it is located more or less near said articulation or said locking means. , the resistance of the material bridge to the pivoting of the upper segment will be more or less important, as well as the amplitude of clearance allowed.

Il ressort qu'une telle construction de la chaussure et de son capot arrière permet de recentrer l'axe de rotation de la tige, et notamment du segment supérieur de celle-ci qui entoure le bas de jambe du skieur, sensiblement en correspondance avec l'articulation de la cheville ; par ailleurs, la facilité de chaussage par l'arrière est préservée avec, en outre, la garantie d'une retenue antéro-postérieure ferme et une flexibilité postéro-antérieure facilement contrôlable en force et en amplitude puisque fonction de la réalisation de l'entaille. A cet effet, il est possible de réaliser l'entaille avec ses bordures jointives ou écartées d'une certaine valeur ; dans ce dernier cas, le segment supérieur est alors autorisé à un léger pivotement dans le sens antéro-postérieur jusqu'à ce que les bordures viennent en contact.It appears that such a construction of the boot and its rear cover makes it possible to center the axis of rotation of the upper, and in particular of the upper segment thereof which surrounds the lower leg of the skier, substantially in correspondence with the 'ankle joint; in addition, the ease of fitting from the rear is preserved with, in addition, the guarantee of firm anteroposterior restraint and posterior anterior flexibility easily controllable in force and in amplitude since it depends on the production of the notch . For this purpose, it is possible to make the notch with its contiguous or spaced apart edges of a certain value; in the latter case, the upper segment is then allowed to pivot slightly in the antero-posterior direction until the edges come into contact.

Encore, toujours dans le cadre de l'invention, il est envisageable d'adjoindre à l'entaille un organe de limitation de son écartement possible. Dans un exemple d'une construction de ce type, l'organe de limitation est constitué par un anneau fermé rigide s'étendant de part et d'autre du côté de l'ouverture de l'entaille dans la partie postérieure du capot arrière ; cet anneau est prévu d'une part, retenu sur chacun des segments supérieur et inférieur ainsi reliés entre eux par ce dernier, et d'autre part, monté coulissant dans une lumière sur l'un au moins de ces segments ; la lumière présente dans ce cas une longueur prédéterminée fixant l'écartement maximum autorisé des bordures de l'entaille lorsque la tige est fléchie sur l'avant, cette dernière étant ainsi limitée en débattement dans le même sens.Still, still within the framework of the invention, it is conceivable to add to the notch a member for limiting its possible spacing. In one example of a construction of this type, the limiting member is constituted by a rigid closed ring extending on either side of the side of the opening of the notch in the rear part of the rear cover; this ring is provided on the one hand, retained on each of the upper and lower segments thus connected together by the latter, and on the other hand, mounted sliding in a lumen on at least one of these segments; the light in this case has a predetermined length fixing the maximum authorized spacing of the edges of the notch when the rod is bent on the front, the latter thus being limited in movement in the same direction.

Selon une variante de réalisation de l'invention, l'entaille a ses bordures écartées l'une de l'autre et un élément de remplissage est prévu pour être engagé dans celle-ci pour combler l'espace laissé libre entre ses bordures. En fonction du résultat souhaité, l'élément de remplissage est prévu rigide ou, au contraire, élastiquement compressible ; dans le premier cas de construction, on obtient un capot arrière interdit de toute possibilité de flexion antéro-postérieure et dans le deuxième cas, un capot arrière dans lequel le segment supérieur est doté d'une possibilité de flexion fonction de la compressibilité de l'élément de remplissage. Encore, selon un mode de construction particulier, cet élément de remplissage est avantageusement prévu avec des moyens d'emboîtement et/ou de retenue sur le capot arrière autorisant son amovibilité en vue de son remplacement. Ainsi, lorsque le skieur souhaite un appui arrière ferme, il suffit de mettre en place un élément de remplissage rigide et inversement, pour un appui arrière relativement flexible, d'utiliser un élément de remplissage compressible.According to an alternative embodiment of the invention, the notch has its edges spaced from one another and a filling element is provided to be engaged therein to fill the space left free between its edges. Depending on the desired result, the filling element is provided rigid or, on the contrary, elastically compressible; in the first case of construction, a rear cover is obtained which is prohibited from any possibility of anteroposterior bending and in the second case, a rear cover in which the upper segment is provided with a possibility of bending as a function of the compressibility of the filling element. Again, according to a particular construction method, this filling element is advantageously provided with means for fitting and / or retaining on the rear cover allowing it to be removable for replacement. Thus, when the skier wishes a firm rear support, it suffices to set up a rigid filling element and conversely, for a relatively flexible rear support, to use a compressible filling element.

D'autres caractéristiques et avantages de l'invention apparaîtront dans la description détaillée qui suit en référence aux dessins schématiques annexés illustrant, à titre d'exemple et non limitativement, quelques modes de réalisation de celle-ci.Other characteristics and advantages of the invention will appear in the detailed description which follows with reference to the appended schematic drawings illustrating, by way of example and without limitation, some embodiments thereof.

Les figures 1 à 3 représentent une chaussure de ski selon un premier mode de réalisation de l'invention :

  • La figure 1 montre la chaussure vue en perspective de trois quart arrière et notamment le capot arrière pourvu d'une entaille de flexion :
  • les figures 2 et 3 sont des vues latérales de la chaussure de la figure 1 vue en élévation, respectivement en position initiale de pratique du ski (fig. 2) et en position de flexion postéro-antérieure (fig. 3).
  • La figure 4 illustre un autre mode de réalisation de la chaussure toujours selon l'invention, laquelle présente un capot arrière dont l'entaille a ses bordures écartées l'une de l'autre en position initiale de pratique du ski et dans laquelle un élément de remplissage est susceptible d'être introduit.
  • La figure 5 montre la chaussure de la figure 4 lorsque la tige de cette dernière est sollicitée en position extrême de flexion antéro-postérieure.
  • Les figures 6 et 7 représentent des détails du capot arrière, vu en coupe longitudinale, et en particulier des moyens permettant de rendre étanche la zone de l'entaille.
  • La figure 8 montre une variante de réalisation de moyens d'étanchéité de l'entaille.
  • Les figures 9 et 10 illustrent une chaussure selon l'invention pourvue d'un organe de limitation de l'amplitude de pivotement vers l'avant de la tige associé à l'entaille.
FIGS. 1 to 3 represent a ski boot according to a first embodiment of the invention:
  • FIG. 1 shows the shoe seen in perspective from three rear quarters and in particular the rear cover provided with a flexing notch:
  • Figures 2 and 3 are side views of the shoe of Figure 1 viewed in elevation, respectively in the initial position for skiing (fig. 2) and in the postero-anterior flexion position (fig. 3).
  • Figure 4 illustrates another embodiment of the shoe still according to the invention, which has a rear cover whose notch has its edges spaced from one another in the initial position for skiing and in which an element filling is likely to be introduced.
  • Figure 5 shows the shoe of Figure 4 when the upper of the latter is biased in the extreme antero-posterior flexion position.
  • Figures 6 and 7 show details of the rear cover, seen in longitudinal section, and in particular means for sealing the area of the notch.
  • Figure 8 shows an alternative embodiment of the sealing means of the notch.
  • Figures 9 and 10 illustrate a shoe according to the invention provided with a member for limiting the amplitude of pivoting towards the front of the upper associated with the notch.

La chaussure de ski objet de l'invention, illustrée sur les figures 1 à 3, est du type à entrée par l'arrière et sa tige 8 comporte notamment un capot arrière 1 qui est relié au bas de coque 2 dans la zone du talon 3 par l'intermédiaire d'une articulation 4. Ce capot arrière 1 présente deux ailes 5 qui sont, chacune, pourvues d'un moyen de verrouillage 6 coopérant avec les flancs 7 de la tige 8 dans la zone 9 correspondant approximativement aux malléoles du skieur. Un dispositif de fermeture 10 maintient les ailes 5 du capot arrière 1 sur les flancs 7 de la tige 8 en prise sur le moyen de verrouillage 6 et relie ledit capot arrière 1 avec la partie antérieure 11 de la tige 8. Dans ce mode de réalisation de la chaussure, les ailes 5 du capot arrière 1 s'étendent vers l'avant de la tige 8 et recouvrent au moins partiellement la partie antérieure 11 de celle-ci, qu'elles enserrent à la manière d'un collier au moyen du dispositif de fermeture 10. Cette partie antérieure 11 de la tige 8 est ici obtenue à partir d'un capot avant 12 qui recouvre le dessus du pied, mais peut également être obtenue d'une pièce avec le bas de coque 2. Selon l'invention, le capot arrière 1 est réalisé avec une entaille 13 dite "de flexion" ; cette entaille de flexion 13 est ouverte vers l'extérieur de la chaussure du côté 8' constituant la partie postérieure de la tige 8 et s'étend selon un plan 14 sécant à celui 15 qui passe par le moyen de verrouillage 6 sur chaque flanc 7 de la tige et par l'articulation 4 du capot arrière 1. L'entaille 13 est ainsi orientée en direction du bord inférieur 5' des ailes 5 et laisse subsister, selon sa profondeur, une longueur de paroi desdites ailes plus ou moins importante entre son fond 16 et ledit bord 5'. Cette longueur de paroi constitue un pont 17 de matière qui se situe dans le prolongement de l'entaille 13, laquelle entaille détermine ainsi, d'une part, un segment supérieur 18 axé sur le moyen de verrouillage 6 et, d'autre part, un segment inférieur 19 axé sur l'articulation 4 du capot arrière 1. Les segments supérieur 18 et inférieur 19 restant liés entre eux par l'intermédiaire du pont de matière 17, le capot arrière 1 se manoeuvre en ouverture et en fermeture sur la tige 8 de la chaussure de la même manière que s'il n'était pas segmenté, c'est-à-dire comme sur une chaussure à entrée arrière traditionnelle du type comportant un verrouillage de capot arrière sur la tige. Par ailleurs, lorsque la tige 8 est fermée en vue de la pratique du ski à l'aide du dispositif de fermeture 10, le capot arrière 1 se trouve bloqué en position antéro-postérieure par l'intermédiaire de son axe d'articulation 4 et de son moyen de verrouillage 6 sur les flancs 7 de la tige, et par la mise en butée de ses segments supérieur 18 et inférieur 19 le long de leurs bordures contiguës, respectivement 18' et 19'.The ski boot object of the invention, illustrated in Figures 1 to 3, is of the rear entry type and its upper 8 includes in particular a rear cover 1 which is connected to the bottom of the shell 2 in the heel area 3 by means of an articulation 4. This rear cover 1 has two wings 5 which are each provided with a locking means 6 cooperating with the sides 7 of the rod 8 in the zone 9 corresponding approximately to the malleoli of the skier. A closure device 10 holds the wings 5 of the rear cover 1 on the sides 7 of the rod 8 in engagement with the locking means 6 and connects said rear cover 1 with the front part 11 of the rod 8. In this embodiment of the shoe, the wings 5 of the rear cover 1 extend towards the front of the rod 8 and at least partially cover the front part 11 of the latter, which they enclose in the manner of a collar by means of the closure device 10. This front part 11 of the rod 8 is here obtained from a front cover 12 which covers the top of the foot, but can also be obtained in one piece with the bottom of the shell 2. According to the invention, the rear cover 1 is produced with a notch 13 called "flexion"; this flexion notch 13 is open towards the outside of the shoe on the side 8 ′ constituting the rear part of the upper 8 and extends along a plane 14 intersecting that 15 which passes through the locking means 6 on each side 7 of the rod and by the articulation 4 of the rear cover 1. The notch 13 is thus oriented towards the edge lower 5 'of the wings 5 and leaves, depending on its depth, a wall length of said wings more or less between its bottom 16 and said edge 5'. This wall length constitutes a bridge 17 of material which is located in the extension of the notch 13, which notch thus determines, on the one hand, an upper segment 18 centered on the locking means 6 and, on the other hand, a lower segment 19 centered on the articulation 4 of the rear cover 1. The upper 18 and lower 19 segments remaining linked to each other via the material bridge 17, the rear cover 1 is operated in opening and closing on the rod 8 of the shoe in the same way as if it were not segmented, that is to say as on a shoe with traditional rear entry of the type comprising a locking of rear cover on the upper. Furthermore, when the rod 8 is closed for skiing with the closure device 10, the rear cover 1 is blocked in the anteroposterior position by means of its hinge pin 4 and of its locking means 6 on the sides 7 of the rod, and by the abutment of its upper 18 and lower 19 segments along their contiguous edges, respectively 18 'and 19'.

Par contre, grâce à l'entaille 13 obtenue dans la partie postérieure 8' du capot arrière 1 selon une direction sécante, voire même approximativement perpendiculaire, au plan 15 de retenue de ce dernier sur son articulation 4 et son moyen de verrouillage 6, le segment supérieur 18 est susceptible de pivoter dans le sens postéro-antérieur ; en effet, figure 3, lorsque la tige 8 est sollicitée vers l'avant sous l'action de la jambe du skieur, le capot arrière 1 est tiré dans le même sens et, du fait que son segment inférieur 19 est totalement immobilisé par l'articulation 4 et le moyen de verrouillage 6, seul le segment supérieur 18 est soumis à fléchir. Ce dernier pivote alors sur le moyen de verrouillage 6 en provoquant l'écartement des bordures 18' et 19' de l'entaille 13 contre la résistance plus ou moins élastique du pont de matière 17 qui subsiste entre le fond d'entaille et le bord inférieur 5' des ailes 5.On the other hand, thanks to the notch 13 obtained in the rear part 8 ′ of the rear cover 1 in a secant direction, or even approximately perpendicular, to the plane 15 for retaining the latter on its articulation 4 and its locking means 6, the upper segment 18 is capable of pivoting in the postero-anterior direction; in fact, in FIG. 3, when the rod 8 is urged forward under the action of the skier's leg, the rear cover 1 is pulled in the same direction and, because its lower segment 19 is completely immobilized by the hinge 4 and the locking means 6, only the upper segment 18 is subjected to bending. The latter then pivots on the locking means 6, causing the edges 18 'and 19' of the notch 13 to move apart against the more or less elastic resistance of the material bridge 17 which remains between the notch bottom and the edge. lower 5 'of the wings 5.

Il est évident que la possibilité de mouvement en flexion du segment supérieur 18 sur le moyen de verrouillage 6 est subordonnée à certains aménagements. Ainsi, d'une part, le moyen de verrouillage 6 est avantageusement constitué de deux parties d'emboîtement dont le contour est circulaire, l'une se présentant en saillie et l'autre en creux et, d'autre part, ledit moyen de verrouillage 6 coopère avec deux extensions verticales 20 relativement rigides venues du bas de coque 2 et qui forment les flancs de la tige 8. Par ces aménagements, le segment supérieur 18 est ainsi susceptible de tourner sur le moyen de verrouillage 6 qui lui sert de pivot, lequel, coopérant avec les extensions 20 du bas de coque 2, reste pratiquement fixe en position malgré les efforts de flexion qui tendent à l'abaisser. Egalement, plutôt que de prévoir des parties d'emboîtement de contour circulaire pour le moyen de verrouillage 6, il est aussi envisagé, tel que visible sur la figure 3a, de rendre pivotant ledit moyen 6 sur lui-même par l'intermédiaire d'un tourillon 6', par exemple, qui le relie à l'extension 20 adjacente venue du bas de coque 2
   Selon un autre mode de réalisation de la chaussure, toujours conformément à l'invention, et illustré à la figure 4, l'entaille 23 a ses bordures 28', 29' relativement écartées l'une de l'autre lorsque le capot arrière 21 est en position initiale de verrouillage sur la tige 8 de la chaussure. Dans ce cas de construction, le segment supérieur 28 est ainsi susceptible d'une certaine flexion vers l'arrière par rapport au segment inférieur 29 fonction de l'écartement des bordures 28' et 29' et limitée par la mise en butée de celles-ci, tel que cela est représenté à la figure 5 ; comme dans le cas de la flexion vers l'avant, le segment supérieur 28 reste axé sur le moyen de verrouillage 6 situé dans la zone correspondant approximativement aux malléoles.It is obvious that the possibility of movement in bending of the upper segment 18 on the locking means 6 is subject to certain arrangements. Thus, on the one hand, the locking means 6 advantageously consists of two interlocking parts, the outline of which is circular, one being projecting and the other recessed, and, on the other hand, said means of locking 6 cooperates with two relatively rigid vertical extensions 20 coming from the bottom of the shell 2 and which form the sides of the rod 8. By these arrangements, the upper segment 18 is thus capable of turning on the locking means 6 which acts as a pivot , which, cooperating with the extensions 20 of the bottom of the shell 2, remains practically fixed in position despite the bending forces which tend to lower it. Also, rather than providing interlocking parts of circular outline for the locking means 6, it is also envisaged, as visible in FIG. 3a, to make said means 6 pivot on itself by means of a pin 6 ', for example, which connects it to the adjacent extension 20 coming from the bottom of the shell 2
According to another embodiment of the boot, still in accordance with the invention, and illustrated in FIG. 4, the notch 23 has its edges 28 ′, 29 ′ relatively spaced apart from one another when the rear cover 21 is in the initial locking position on the upper 8 of the shoe. In this case of construction, the upper segment 28 is thus capable of a certain rearward bending relative to the lower segment 29 as a function of the spacing of the edges 28 ′ and 29 ′ and limited by the positioning abutment thereof, as shown in Figure 5; as in the case of forward bending, the upper segment 28 remains centered on the locking means 6 located in the zone corresponding approximately to the malleoli.

Toujours selon ce mode de réalisation, figures 4 et 5, l'entaille 23 peut être prévue pour recevoir un élément de remplissage 30 comblant l'espace laissé libre entre ses bordures 28' et 29'. Par cette disposition et selon les caractéristiques mécaniques de cet élément 30 de remplissage, on obtient un capot arrière 21 susceptible d'offrir un appui antéro-postérieur plus ou moins ferme : en effet, lorsque l'élément de remplissage 30 est réalisé en un matériau rigide, on obtient un capot arrière 21 dont le segment supérieur 28 est interdit de tout pivotement vers l'arrière. Par contre, lorsque l'élément de remplissage 30 est en un matériau élastiquement compressible, le segment supérieur 28 est autorisé à un certain pivotement fonction de la compressibilité du matériau. Avantageusement, cet élément de remplissage 30 est adapté de manière amovible sur le capot arrière 21 et présente des moyens de retenue par emboîtement, collage, etc... ; ainsi, pour une chaussure de ski donnée, comportant un capot arrière 21, on peut varier ses possibilités de flexion antéro-postérieure selon la technique de ski du skieur.Still according to this embodiment, Figures 4 and 5, the notch 23 may be provided to receive a filling element 30 filling the space left free between its edges 28 'and 29'. By this arrangement and according to the mechanical characteristics of this filling element 30, a rear cover 21 is obtained capable of offering a more or less firm anteroposterior support: in fact, when the filling element 30 is made of a material rigid, a rear cover 21 is obtained, the upper segment 28 of which is prohibited from pivoting backwards. On the other hand, when the filling element 30 is made of an elastically compressible material, the upper segment 28 is authorized to a certain pivoting depending on the compressibility of the material. Advantageously, this filling element 30 is removably adapted on the rear cover 21 and has means for retaining by interlocking, gluing, etc.; thus, for a given ski boot, comprising a rear cover 21, its possibilities of anteroposterior flexion can be varied according to the ski technique of the skier.

Il est évident que la réalisation d'une entaille à bordures 18' - 19' jointives ou d'une entaille 23 à bordures écartées 28' - 29' nécessite l'adaptation de parties ou de moyens d'étanchéité pour éviter les infiltrations possibles, de neige, eau, etc... de l'extérieur du capot arrière 1 - 21 vers l'intérieur de la tige 8, notamment lors de la pratique du ski lorsque le segment supérieur 18 - 28 pivote sur l'avant, ce qui provoque l'ouverture de ladite entaille ; ainsi, figure 6, il est illustré un capot arrière 1, vu en coupe longitudinale, doté d'une membrane d'étanchéité 40. L'entaille 13 étant destinée à s'ouvrir plus ou moins, cette membrane 40 est avantageusement prévue en un matériau élastique et fixée par tout moyen de retenue approprié connu, tel que par collage, soudure, rivetage, etc... Dans l'exemple de la figure 7, l'entaille 23 à bordures écartées 28' - 29' est obturée par un élément de remplissage 30 pourvu d'une collerette 31 de recouvrement de l'entaille 23 s'étendant du côté intérieur du capot arrière 21, laquelle collerette constitue, avantageusement, le moyen de retenue dudit élément sur le capot. Là encore, cette collerette 31 peut être fixée par tout moyen connu évoqué précédemment. Egalement, ces parties et moyens d'étanchéité 40 et 31 peuvent être réalisés pour s'emboîter dans des parties correspondantes obtenues sur le capot arrière.It is obvious that making a notch with contiguous edges 18 '- 19' or a notch 23 with spaced edges 28 '- 29' requires the adaptation of parts or sealing means to avoid possible infiltration, snow, water, etc ... from the outside of the rear cover 1 - 21 towards the inside of the rod 8, especially when skiing when the upper segment 18 - 28 pivots on the front, which causes the opening of said notch; thus, FIG. 6 shows a rear cover 1, seen in longitudinal section, provided with a sealing membrane 40. The notch 13 being intended to open more or less, this membrane 40 is advantageously provided in a elastic material and fixed by any known suitable retaining means, such as by gluing, welding, riveting, etc. In the example of FIG. 7, the notch 23 with spaced edges 28 '- 29' is closed by a filling element 30 provided with a flange 31 for covering the notch 23 extending from the inside of the rear cover 21, which flange advantageously constitutes the means for retaining said element on the cover. Again, this flange 31 can be fixed by any known means mentioned above. Also, these parts and sealing means 40 and 31 can be made to fit into corresponding parts obtained on the rear cover.

Dans l'exemple représenté à la figure 8, le moyen d'étanchéité 50 est constitué d'une plaque flexible en forme de gouttière qui est solidaire du segment inférieur 19 et qui s'étend à l'intérieur du segment supérieur 18. Ce type de construction permet de réaliser l'étanchéité et également, en fonction de la flexibilité choisie du moyen 50, de changer la résistance à la flexion vers l'avant du segment supérieur 18 sans modifier les caractéristiques initiales de l'entaille 13.In the example shown in Figure 8, the sealing means 50 consists of a flexible gutter-shaped plate which is integral with the lower segment 19 and which extends inside the upper segment 18. This type of construction makes it possible to produce the seal and also, depending on the flexibility chosen of the means 50, to change the resistance to forward bending of the upper segment 18 without modifying the initial characteristics of the notch 13.

On conçoit aisément de disposer d'une gamme de moyens 50 dont la résistance à la flexion est d'une valeur faible à une valeur forte et de les rendre amovibles par des fixations 51 ; ainsi, pour un type de chaussure donné, on peut varier le niveau des efforts de flexion de la tige en fonction du skieur.It is easy to imagine having a range of means 50 whose flexural strength is from a low value to a high value and making them removable by fasteners 51; thus, for a given type of boot, the level of bending of the upper can be varied according to the skier.

Enfin, toujours sans sortir du cadre de l'invention, il peut être réalisé plusieurs entailles 13 et/ou 23 dans le capot arrière 1, 21 pour autant qu'elles soient situées entre l'articulation 4 dudit capot et le moyen de verrouillage 6, afin de garantir le pivotement du segment supérieur 18 et/ou 28 sur ledit moyen de verrouillage 6.Finally, still without departing from the scope of the invention, several notches 13 and / or 23 can be produced in the rear cover 1, 21 provided that they are located between the joint 4 of said cover and the locking means 6, in order to guarantee the pivoting of the upper segment 18 and / or 28 on said locking means 6.

Il va de soi, figures 1 à 7, que le capot arrière 1, 21 peut être doté d'un élément de rigidification 35 qui s'étend dans le sens vertical sur la partie postérieure 8' dudit capot, du segment supérieur 18, 28 jusqu'au segment inférieur 19, 29, de part et d'autre de l'entaille 13, 23, toujours selon l'invention.It goes without saying, FIGS. 1 to 7, that the rear cover 1, 21 can be provided with a stiffening element 35 which extends in the vertical direction on the rear part 8 ′ of said cover, of the upper segment 18, 28 up to the lower segment 19, 29, on either side of the notch 13, 23, still according to the invention.

Selon une variante de réalisation de l'invention, représentée sur les figures 9 et 10, il est adjoint à l'entaille 13 un organe 55 de limitation de l'écartement possible de ses bordures 18', 19' délimitant les segments supérieur 18 et inférieur 19. Avantageusement, cet organe 55 est constitué d'un anneau rigide fermé qui s'étend de part et d'autre des bordures 18', 19' de l'entaille 13, et qui est retenu sur les segments 18, 19 dans la zone de l'élément de rigidification 35. Dans l'exemple représenté, l'élément de rigidification 35 présente deux lumières ou évidements longitudinaux 36, 36' fermés par un épaulement 38, 39 au moins du côté correspondant aux bordures 18', 19' ; l'anneau 55 est ainsi susceptible de coulisser dans l'un et/ou l'autre de ces évidements 36, 36' jusqu'à venir en butée sur l'épaulement 38 et 39 de ceux-ci, tel qu'illustré à la figure 10, et ainsi limiter l'amplitude du pivotement du segment supérieur 18 sur son moyen de verrouillage 6 dans le sens postéro-antérieur.According to an alternative embodiment of the invention, shown in FIGS. 9 and 10, there is added to the notch 13 a member 55 for limiting the possible spacing of its edges 18 ', 19' delimiting the upper segments 18 and Lower 19. Advantageously, this member 55 consists of a closed rigid ring which extends on either side of the edges 18 ', 19' of the notch 13, and which is retained on the segments 18, 19 in the area of the stiffening element 35. In the example shown, the stiffening element 35 has two slots or longitudinal recesses 36, 36 'closed by a shoulder 38, 39 at least on the side corresponding to the edges 18', 19 '; the ring 55 is thus capable of sliding in one and / or the other of these recesses 36, 36 'until it comes into abutment on the shoulder 38 and 39 thereof, as illustrated in the Figure 10, and thus limit the amplitude of the pivoting of the upper segment 18 on its locking means 6 in the postero-anterior direction.

Claims (14)

Chaussure de ski à chaussage par l'arrière dont la tige comporte un capot arrière relié au bas de coque par l'intermédiaire d'une articulation située dans la zone du talon, lequel capot arrière présente deux ailes qui sont, chacune, pourvue d'un moyen de verrouillage coopérant avec les flancs de la tige dans la zone correspondant à l'articulation de la cheville du skieur, lorsque ledit capot est en position de fermeture de la tige sur le bas de jambe, caractérisée en ce que le capot arrière (1,21) présente au moins une entaille (13,23) transversale ouverte vers l'extérieur de la chaussure du côté constituant la partie postérieure (8') de la tige (8), laquelle entaille (13,23) s'étendant selon un plan (14) sécant à celui (15) passant par le moyen de verrouillage (6) et l'articulation (4) dudit capot arrière déterminant ainsi, d'une part, un segment supérieur (18,28) axé sur le moyen de verrouillage (6) dans la zone d'articulation de la cheville et susceptible de pivoter vers l'avant sur ledit moyen (6) et, d'autre part, un segment inférieur (19,29) axé sur l'articulation (4) du capot arrière dans la zone du talon sur le bas de coque (2), ce segment inférieur constituant, par sa bordure supérieure (19',29') contiguë à celle (18',28') inférieure du segment supérieur (18,28), une butée d'arrêt interdisant tout pivotement vers l'arrière dudit segment supérieur, dès que les bordures sont en contact.Ski boot with rear boot whose upper has a rear cover connected to the bottom of the shell by means of a joint located in the heel area, which rear cover has two wings which are each provided with a locking means cooperating with the sides of the rod in the zone corresponding to the articulation of the ankle of the skier, when said cover is in the closed position of the rod on the lower leg, characterized in that the rear cover ( 1,21) has at least one transverse notch (13,23) open towards the outside of the shoe on the side constituting the rear part (8 ') of the upper (8), which notch (13,23) extending along a plane (14) intersecting that (15) passing through the locking means (6) and the articulation (4) of said rear cover thus determining, on the one hand, an upper segment (18, 28) focused on the locking means (6) in the articulation zone of the ankle and capable of pivot forward on said means (6) and, on the other hand, a lower segment (19,29) focused on the articulation (4) of the rear cover in the heel area on the bottom of the shell (2) , this lower segment constituting, by its upper edge (19 ', 29') contiguous to that (18 ', 28') lower of the upper segment (18,28), a stop stop preventing any pivoting towards the rear of said upper segment, as soon as the edges are in contact. Chaussure de ski selon la revendication 1, caractérisée en ce que l'entaille (13,23) est réalisée dans la partie postérieure (8') du capot arrière (1,21), laquelle présente un élément de rigidification (35) s'étendant dans le sens vertical sur le segment supérieur (18,28) et sur le segment inférieur (19,29), de part et d'autre de ladite entaille (13,23).Ski boot according to claim 1, characterized in that the notch (13,23) is produced in the rear part (8 ') of the rear cover (1,21), which has a stiffening element (35) s' extending vertically over the upper segment (18,28) and over the lower segment (19,29), on either side of said notch (13,23). Chaussure de ski selon la revendication 2, caractérisée en ce que la profondeur de l'entaille (13,23) dans la partie postérieure (8') du capot arrière (1,21) laisse subsister une paroi de matière constituant un pont (17) entre le fond (16) de l'entaille et le bord inférieur (5') des ailes (5) dudit capot (1,21).Ski boot according to claim 2, characterized in that the depth of the notch (13,23) in the rear part (8 ') of the rear cover (1,21) leaves a wall of material constituting a bridge (17 ) between the bottom (16) of the notch and the lower edge (5 ') of the wings (5) of said cover (1,21). Chaussure de ski selon la revendication 3, caractérisée en ce que le pont (17) s'étendant entre le fond (16) de l'entaille (13,23) et le bord inférieur (5') des ailes (5) est apte à fléchir élastiquement lorsque le segment supérieur (18,28) du capot arrière (1,21) est sollicité en pivotement vers l'avant, tandis que le segment inférieur (19,29) reste retenu sur le bas de coque (2) par l'axe d'articulation (4) dudit capot arrière.Ski boot according to claim 3, characterized in that the bridge (17) extending between the bottom (16) of the notch (13,23) and the lower edge (5 ') of the wings (5) is suitable to flex elastically when the upper segment (18,28) of the rear cover (1,21) is pivoted forwards, while the lower segment (19,29) remains retained on the bottom of the shell (2) by the hinge pin (4) of said rear cover. Chaussure de ski selon l'une quelconque des revendications précédentes, caractérisée en ce que les bordures (18'-19') de l'entaille (13) sont jointives en position initiale de fermeture du capot arrière (1) sur la tige (8) de la chaussure.Ski boot according to any one of the preceding claims, characterized in that the edges (18'-19 ') of the notch (13) are contiguous in the initial closed position of the rear cover (1) on the upper (8 ) of the shoe. Chaussure de ski selon l'une quelconque des revendications 1 à 4, caractérisée en ce que les bordures (28'-29') de l'entaille (23) sont distantes l'une de l'autre d'une certaine valeur autorisant le segment supérieur (28) à pivoter vers l'arrière autour du moyen de verrouillage (6) sur les flancs (7) de la tige (8), jusqu'à ce que lesdites bordures (28'-29') soient en contact.Ski boot according to any one of claims 1 to 4, characterized in that the edges (28'-29 ') of the notch (23) are spaced from each other by a certain value allowing the upper segment (28) to pivot rearward around the locking means (6) on the sides (7) of the rod (8), until said edges (28'-29 ') are in contact. Chaussure de ski selon la revendication 6, caractérisée en ce qu'un élément de remplissage (30) doté de moyens de retenue (36) sur le capot arrière (21) est destiné à combler l'espace laissé libre entre les bordures (28'-29') de l'entaille (23).Ski boot according to claim 6, characterized in that a filling element (30) provided with retaining means (36) on the rear cover (21) is intended to fill the space left free between the edges (28 ' -29 ') of the notch (23). Chaussure de ski selon la revendication 7, caractérisée en ce que l'élément de remplissage (30) comporte des moyens de retenue (31,36) autorisant son amovibilité du capot arrière (21).Ski boot according to claim 7, characterized in that the filling element (30) comprises retaining means (31,36) allowing it to be removable from the rear cover (21). Chaussure de ski selon la revendication 8, caractérisée en ce que l'élément de remplissage (30) est constitué d'un matériau rigide.Ski boot according to claim 8, characterized in that the filling element (30) consists of a rigid material. Chaussure de ski selon la revendication 8, caractérisée en ce que l'élément de remplissage (30) est constitué d'un matériau élastiquement compressible.Ski boot according to claim 8, characterized in that the filling element (30) consists of an elastically compressible material. Chaussure de ski selon l'une quelconque des revendications précédentes, caractérisée en ce que des moyens d'étanchéité (31, 40, 50) sont rapportés du côté intérieur du capot arrière (1,21) et recouvrent l'entaille (13,23).Ski boot according to any one of the preceding claims, characterized in that sealing means (31, 40, 50) are attached to the inside of the rear cover (1,21) and cover the notch (13,23 ). Chaussure de ski selon la revendication 11, caractérisée en ce que les moyens d'étanchéité (50) sont amovibles du capot arrière (1) à l'aide de fixations (51).Ski boot according to claim 11, characterized in that the sealing means (50) are removable from the rear cover (1) by means of fixings (51). Chaussure de ski selon l'une quelconque des revendications précédentes, caractérisée en ce que le capot arrière (1, 21) est doté d'un élément de rigidification (35) qui s'étend dans le sens vertical sur la partie postérieure (8') dudit capot, du segment supérieur (18, 28) jusqu'au segment inférieur (19, 29) de part et d'autre de l'entaille (13, 23).Ski boot according to any one of the preceding claims, characterized in that the rear cover (1, 21) is provided with a stiffening element (35) which extends vertically on the rear part (8 ' ) from said cover, from the upper segment (18, 28) to the lower segment (19, 29) on either side of the notch (13, 23). Chaussure de ski selon la revendication 13, caractérisée en ce qu'un organe de limitation (55) de l'écartement possible de l'entaille (13) en flexion avant s'étend du segment supérieur (18) au segment inférieur (19) qu'il relie entre eux dans la zone correspondant à l'élément de rigidification (35), lequel comporte au moins un évidement (36, 36') d'une certaine longueur limitée par un épaulement (38, 39) à proximité des bordures (18', 19') de l'entaille (13), et autorisant ledit organe de limitation (55) à coulisser jusqu'à venir en butée sur ces épaulements (39, 39).Ski boot according to claim 13, characterized in that a member for limiting (55) the possible spacing of the notch (13) in front bending extends from the upper segment (18) to the lower segment (19) that it connects together in the zone corresponding to the stiffening element (35), which comprises at least one recess (36, 36 ') of a certain length limited by a shoulder (38, 39) near the edges (18 ', 19') of the notch (13), and authorizing said limiting member (55) to slide until it comes into abutment on these shoulders (39, 39).
EP91119394A 1990-11-22 1991-11-14 Alpine ski boot Expired - Lifetime EP0486940B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9014838 1990-11-22
FR9014838A FR2669515B1 (en) 1990-11-22 1990-11-22 ALPINE SKI BOOT WITH REAR FOOTWEAR.

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Publication Number Publication Date
EP0486940A1 true EP0486940A1 (en) 1992-05-27
EP0486940B1 EP0486940B1 (en) 1994-09-07

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EP91119394A Expired - Lifetime EP0486940B1 (en) 1990-11-22 1991-11-14 Alpine ski boot

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US (1) US5216826A (en)
EP (1) EP0486940B1 (en)
JP (1) JPH04266702A (en)
AT (1) ATE110938T1 (en)
DE (1) DE69103868T2 (en)
FR (1) FR2669515B1 (en)

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US6530161B1 (en) 1998-07-03 2003-03-11 Lange International S.A. Ski boot
US9241532B2 (en) 2012-01-04 2016-01-26 K-2 Corporation Ski/walk mechanism

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US6557865B1 (en) 1998-10-09 2003-05-06 The Burton Corporation Highback with adjustable stiffness
US6231057B1 (en) 1998-10-09 2001-05-15 The Burton Corporation Highback with an adjustable shape
US6554296B1 (en) * 2000-04-28 2003-04-29 The Burton Corporation Highback with independent forward lean adjustment
US6613411B2 (en) * 2001-01-25 2003-09-02 3M Innovative Properties Company Conformable multi-layer sheet materials
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US7293372B2 (en) * 2004-10-08 2007-11-13 Wolverine World Wide, Inc. Footwear upper with flexible collar assembly
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US7992888B2 (en) * 2007-12-07 2011-08-09 K-2 Corporation Blockless highback binding
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EP0968665A1 (en) * 1998-07-03 2000-01-05 Lange International S.A. Ski boot
CH692122A5 (en) * 1998-07-03 2002-02-28 Lange Int Sa ski boot.
US6530161B1 (en) 1998-07-03 2003-03-11 Lange International S.A. Ski boot
US9241532B2 (en) 2012-01-04 2016-01-26 K-2 Corporation Ski/walk mechanism

Also Published As

Publication number Publication date
DE69103868D1 (en) 1994-10-13
FR2669515B1 (en) 1993-01-08
ATE110938T1 (en) 1994-09-15
US5216826A (en) 1993-06-08
EP0486940B1 (en) 1994-09-07
JPH04266702A (en) 1992-09-22
FR2669515A1 (en) 1992-05-29
DE69103868T2 (en) 1995-01-26

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