EP0374056B1 - Alpine ski boot of the rear entrance type - Google Patents

Alpine ski boot of the rear entrance type Download PDF

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Publication number
EP0374056B1
EP0374056B1 EP89420423A EP89420423A EP0374056B1 EP 0374056 B1 EP0374056 B1 EP 0374056B1 EP 89420423 A EP89420423 A EP 89420423A EP 89420423 A EP89420423 A EP 89420423A EP 0374056 B1 EP0374056 B1 EP 0374056B1
Authority
EP
European Patent Office
Prior art keywords
support
stirrup
ski boot
shaft
alpine ski
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.)
Expired - Lifetime
Application number
EP89420423A
Other languages
German (de)
French (fr)
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EP0374056A2 (en
EP0374056A3 (en
Inventor
Jean Paris
Jean-Marie Begey
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
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR8816400A external-priority patent/FR2640122B1/en
Priority claimed from FR8911991A external-priority patent/FR2651647A2/en
Application filed by Salomon SAS filed Critical Salomon SAS
Publication of EP0374056A2 publication Critical patent/EP0374056A2/en
Publication of EP0374056A3 publication Critical patent/EP0374056A3/en
Application granted granted Critical
Publication of EP0374056B1 publication Critical patent/EP0374056B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • 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 an alpine ski boot of the "rear entry" type, comprising a rigid shell bottom and a rod articulated on this shell bottom, around a horizontal and transverse axis.
  • the opening axis that is to say that around which the rod rocks, must be situated relatively close to the ground, for obvious reasons of kinematics, to make it as easy as possible for the foot to enter the shoe when putting on.
  • this axis also serves as the bending axis of the rod, during skiing, the correspondence between this axis and the articulation of the skier's ankle is not ensured.
  • Document FR 2 473 856 also discloses a shoe, the upper of which has a collar articulated on levers pivotally mounted on the shell. These levers can be immobilized in a low position to cause blocking of the collar around its articulation, and releasable in pivoting upwards to allow a certain movement of said collar around its articulation.
  • the articulation of the collar is located in front of the Achilles heel-tendon line, and between bearing means obtained on the shell in correspondence with stops which said collar is provided with, while the levers are extend beyond the joint of the collar, in the area of the instep.
  • the present invention aims to remedy the disadvantages of alpine ski boots known to date and in particular those of boots with two axes of articulation of the upper thanks to a particularly simple and effective design of the whole of the device ensuring the articulated connection between the upper of the boot and the bottom of the hull.
  • this alpine ski boot of the rear entry type comprising a shell bottom and an at least part rod, articulated on the shell bottom
  • a support itself articulated on the bottom of the shell around a horizontal and transverse articulation axis the rod being articulated on the support around an axis distinct from the previous one
  • the shoe comprises locking means to immobilize the support and consequently the articulation axis of the rod on the support in a first high position for skiing and to release this support, during heaving, in order to allow the support to pivot relative to the bottom shell, around its axis, towards a second low position causing a rearward displacement, and possibly downward, of the axis of articulation of the rod on the support.
  • the alpine ski boot according to the invention which is shown in Figures 1 to 3, comprises a rigid shell bottom 1 and an articulated rod 2 which, in this non-limiting embodiment, consists of a single piece.
  • the rod 2 is articulated, at its lower part, around a horizontal and transverse axis 3, on a support 4 which is itself articulated, at its front part, on the bottom of the shell 1, around a horizontal and transverse axis 5 situated in front of the axis 3.
  • the skiing practice position as shown in FIGS.
  • the articulation axis 3 of the rod 2 on the support 4 is located at a height H, relative to the underside of the sole of the shoe, which is greater than the constant height h of the hinge pin 5 of the support 4 on the bottom of the shell 1 relative to this same underside of the sole.
  • the support 4 is constituted by a stirrup surrounding the rear of the bottom of the shell 1 and more particularly this stirrup 4 comprises a posterior core 4a which is located just above the rear wall 1a of the bottom of the hull. 1, partially covering the latter, and two lateral branches 4b which extend forward and which are inclined up and down and from back to front in the skiing practice position shown in FIGS. 1 and 2.
  • Each of the lateral branches 4b of the stirrup 4 is connected, in its anterior end portion, to the bottom of the shell 1, by means of a stud materializing the transverse articulation axis 5, the two studs 5 being coaxial.
  • Each lateral branch 4b is also linked to a lateral lower part of the rod 2, by means of a stud materializing the axis hinge 3 of the rod.
  • the stirrup 4 constituting the support of the rod 2 can pivot by a certain angle around the articulation axis 5, between a high ski practice position shown in FIGS. 1 and 2 and a low boot position. heaving shown in FIG. 3.
  • This angular movement is limited in both directions by a stop device and this device can comprise, for example, a lug 6 secured to the bottom of the shell 1 and which is engaged in an arcuate light 7 which is formed in the lateral branch 4b of the stirrup 4 while being centered on the articulation axis 5.
  • the reverse arrangement could also be adopted, that is to say by providing the lug 6 on the lateral branch 4b of the stirrup 4, this lug 6 then engaging in a groove or an arcuate groove formed in the side wall of the bottom of the shell 1.
  • a locking device is provided to immobilize the stirrup 4 in its high position for skiing.
  • This locking device may comprise, for example, a pawl 8 articulated on the core 4a of the stirrup 4, outside of the latter, around a horizontal and transverse axis 9, this pawl, in the form of L, comprising a lower branch 8a, which passes through the core 4a of the stirrup 4 and which can come to be placed, in the high skiing position, just above the upper edge of the rear wall 1a of the bottom of the hull 1, so as to be in abutment against this edge. Therefore the pawl 8 normally opposes any pivoting movement of the stirrup 4 downwards.
  • the rod 2 In normal skiing practice position the rod 2 has a certain inclination towards the front relative to the horizontal plane, this inclination corresponding to the angle represented in FIG. 1.
  • This inclination or advance of the rod 2 can be adjusted at will by means of a device for adjusting the advance of the rod 2 interposed between it ci and the posterior core 4a of the stirrup 4.
  • This device can be constituted, in this nonlimiting embodiment, by a screw 11 which is screwed into a threaded hole provided in a tab 12 extending towards the rear from the rear wall of the rod 2 and the head of which is accessible from the top.
  • the lower end of the screw 11 is supported on a spout 4c projecting outwards, which is provided at the upper end of the core 4a of the stirrup 4.
  • the stirrup 4 is kept locked in the high position, by means of the pawl 8 bearing, by its lower branch 8a, on the upper edge of the rear wall 1a of the bottom of the shell 1.
  • the rod 2 can bend more or less forward, during skiing, as shown in FIG. 2 where it can be seen that the rod 2 is inclined towards the front by an angle a1 greater than the angle a corresponding to the normal position represented in FIG. 1 and in which the rod 2 is in rear support on the stirrup 4, by means of the screw 11.
  • the stirrup 4 carries a latch 13 of the pusher type which is resiliently biased towards the rear wall 1a of the bottom of the shell 1 by a non-spring shown, in order to be able to engage in a hollow formed in this wall 1a.
  • the pusher 13 can be slidably mounted in the rear core 4a of the stirrup 4, as shown in FIG. 4, or in a lateral branch 4b of the stirrup 4.
  • a device 10 for controlling the stiffness of the rod 2 in front bending is mounted between the rear wall of this rod 2 and the rear core 4a of the stirrup 4.
  • FIG. 5 illustrates the application of the invention to an alpine ski boot, the upper 2 of which is made up of two parts and comprises a front cuff 2a and a rear cover 2b, these two parts being articulated together on the stirrup 4 around of the common axis 3.
  • the alpine ski boot includes a stirrup 14 which is shaped in a different way since it does not surround the rear of the shell 1 but it extends over the above the front part of it.
  • the stirrup 14 comprises an anterior core 14a, extending above the inclined anterior and upper wall 1b of the bottom of the shell 1, and on each side of the bottom of the shell 1, an anterior lateral branch 14b and a posterior lateral branch 14c, these two lateral branches 14b, 14c forming an obtuse angle V open upwards and which is articulated, at the point of its apex, on the shell bottom 1, around the axis 5.
  • the rod 2 is articulated on each rear lateral branch 14c of the stirrup 14, around the axis 3, which is, here again, located above and behind the articulation axis 5 of the stirrup 14 on the bottom of the hull 1.
  • the stirrup 14 is locked in the ski practice position by means of a locking device 15 which cooperates with the core 14a of the stirrup 14 and which is fixed to the inclined upper wall 1b of the bottom of the hull 1.
  • the rear branch 14c is held in place by the locking device 15 , in the high position, as well as the articulation axis 3 of the rod 2 on the stirrup 14, and this rear branch 14c is lowered, together with the articulation axis 3, when the stirrup 14 is unlocked , in the shoe on / off position.
  • the ski boot comprises a rod 2 made in two parts, namely a front cuff 2a and a rear cover 2b and in this case only the rear cover 2b is articulated on the caliper 4, around the axis 3.
  • the front cuff 2a is, for its part, articulated, at its lower part, directly on the bottom of the shell 1, around an independent fixed axis 16.
  • the two axes 3.16 are coaxial and are located at the articulation of the ankle of the skier and it follows that the upper 2 of the shoe pivots relative to the bottom of the shell around of a single axis 3.16.
  • the front cuff 2a remains in position on the bottom of the shell 1 when the rear cover 2b is lowered towards the rear , which facilitates putting on and taking off.
  • Figures 9 and 10 show an alternative embodiment of the alpine ski boot illustrated in Figure 6 but in this case the rod 2 is again made in two parts namely a front cuff 2a and a cover rear 2b.
  • the front cuff 2a is articulated on the bottom of the shell 1, around the axis 16, while the rear cover 2b is alone articulated on the stirrup 14 and more particularly on its rear lateral branch 14c, around the axis 3
  • the two axes 3.16 are coaxial while in the boot-release position (FIG. 10), the axis 3 is lowered relative to the axis 16 which is fixed and the rear cover of 2b is tilted down and back.
  • FIG. 11 illustrates the application of the invention to a ski boot in which the upper 2, produced in two parts comprises a front cuff 2a which is integral with the bottom of the shell 1, by means of a flexion zone 17, and a rear cover 2b which alone can tilt around the axis 5.
  • the rear cover 2b is alone articulated on the stirrup 4 around the axis 3.
  • the shoe comprises a rigid shell bottom 1 and an articulated rod 2 which is produced in two parts, namely a front cuff 2a and a rear cover 2b.
  • the front cuff 2a is articulated, at its lower part, directly on the bottom of the shell 1, around a fixed transverse axis 16 located substantially at the ankle of the skier's foot.
  • This articulation axis 16 is materialized by a stud 20 passing through holes drilled in the bottom of the shell 1 and the front cuff 2a, these holes possibly having different diameters.
  • the stud 20 ends at its two ends with heads 20a and 20b forming rivets situated respectively inside the wall of the bottom of the shell 1, against this wall, and outside of the front cuff 2a, against the outer face thereof.
  • the rear cover 2b of the rod 2 is itself articulated around a horizontal and transverse axis 3, on the support 4 which is itself articulated on the bottom of the shell 1, at its front and lower part, around d 'a horizontal and transverse axis 5 located lower than the axis 3.
  • the support 4 has the shape of a stirrup surrounding the rear of the bottom of the shell 1 and which comprises two lateral wings 4b extending forwardly and tilted up and down and back and forth in the skiing position.
  • This support 4 carries a locking device 13 which makes it possible to make the stirrup forming support 4 integral with the bottom of the shell 1, during skiing.
  • This locking device 13 can be placed at any suitable location on the support and is preferably mounted at the rear as shown in FIG. 12.
  • the articulation, around the transverse axis 3, between the rear cover 2b and each of the wings 4b of the stirrup 4 forming a support is produced by means of a boss cylindrical 21, of circular cross section, centered on the axis 3, and which is engaged in a circular opening 22, of the same radius.
  • the cylindrical boss 21 forms an integral part of the wing 4b of the stirrup 4 forming a support and it projects outwards from this wing in order to engage in the circular opening 22, which is provided in a lower and anterior wing of the rear cover 2b which is located outside with respect to the stirrup 4.
  • the stud 20 which materializes the hinge pin 16 from the front cuff 2a on the bottom of the shell 1, passes through a lumen 23 which extends right through the thickened zone where the circular boss 21 formed by the wing 4b is formed.
  • This light 23 can have any shape and in particular it can have a width substantially equal to the diameter of the stud 20 and extend in an arc 24 which is centered on the axis of articulation 5 of the stirrup forming support 4 on the bottom of the shell 1 and which passes through the axis 3, as can best be seen in FIG. 2.
  • the stud 20 engaged through the light 23 constitutes a stop which limits, in cooperation with the posterior 23a and anterior 23b ends of the lumen 23, the amplitude of the angular tilting movement of the stirrup 4 forming a support around the axis 5.
  • FIG. 15 represents a position of the rod 2 which is bent more forward than the rod shown in FIG. 12.
  • the axis 3 of the circular boss 21, that is to say the axis of articulation of the rear cover 2b on the stirrup forming support 4 is found offset backwards with respect to the hinge pin 16 of the front cuff 2a on the b ace of hull 1, as can best be seen in FIGS. 17 and 18.
  • the offset towards the rear of the rear cover 2b which results therefrom thus facilitates the operation of putting on and taking off.
  • the lumen 23 is shown as opening into the front edge of the lateral wing 4b of the stirrup 4 forming a support and into that of the rear cover 2b. This makes it possible to obtain a greater amplitude of angular movement of the stirrup forming the support 4 downwards since the stud 20 can then come completely out of the light 23.
  • FIG. 22 illustrates an alternative embodiment in which the circular boss 21 materializing the axis of articulation 3 of the rear cover 2b on the bracket forming the support 4, is provided on the internal face of the lateral wing of the rear cover 2b and extends inwardly for s tightly engage in a circular opening 22 of the same radius provided in the lateral wing 4b of the stirrup 4.

Abstract

The present invention relates to an alpine ski boot of the rear entrance type, comprising a lower shell (1) and a shaft (2) which is articulated, in at least one part, on the lower shell (3). <??>This boot is characterised in that, between the shaft (2) and the lower shell (1), a support is interposed, which is itself articulated on the lower shell (1) about a horizontal and transverse axis of articulation (5), the shaft (2) being articulated on the support about an axis (3) which is separate from the former, and in that the boot comprises means of locking (8,13,16) in order to immobilise the support and consequently the axis of articulation (3) of the shaft (2) on the support in a first high position for skiing and to release this support, upon removal of the boot, so as to permit a pivoting of the support in relation to the lower shell (1), about its axis (5), to a second low position, bringing about a lowering of the axis of articulation (3) of the shaft (2) on the support. <IMAGE>

Description

La présente invention concerne une chaussure de ski alpin du type à "entrée arrière", comportant un bas de coque rigide et une tige articulée sur ce bas de coque, autour d'un axe horizontal et transversal.The present invention relates to an alpine ski boot of the "rear entry" type, comprising a rigid shell bottom and a rod articulated on this shell bottom, around a horizontal and transverse axis.

Dans les chaussures de ski alpin du type à entrée arrière et à tige articulée, l'axe d'ouverture, c'est-à-dire celui autour duquel bascule la tige, doit être situé relativement proche du sol, pour des raisons évidentes de cinématique, afin de faciliter au maximum l'entrée du pied dans la chaussure lors du chaussage. Comme la plupart du temps cet axe sert aussi d'axe de flexion de la tige, pendant la pratique du ski, la correspondance entre cet axe et l'articulation de la cheville du skieur n'est pas assurée. Pour tenter de résoudre ce problème on a prévu, dans certaines chaussures de ski alpin comportant une tige articulée en deux parties, c'est-à-dire constituée par une manchette avant et un capot arrière, deux axes d'articulation à savoir un pour la manchette avant, situé dans la zone des malléoles, et l'autre pour le capot arrière, situé dans la zone inférieure du talon. Une telle chaussure est décrite par exemple, dans le brevet EP-A-0 119 566. Avec une telle chaussure, pendant la pratique du ski, les deux axes travaillent simultanément et constituent des points d'articulation de la manchette avant et du capot arrière qui se déplacent alors de la même manière que les deux côtés d'un parallélogramme déformable. Or un tel déplacement se traduit par un mouvement de translation de la manchette avant et du capot arrière par rapport à la jambe d'où des frottements gênants sur le bas de jambe.In alpine ski boots of the rear entry type and with an articulated rod, the opening axis, that is to say that around which the rod rocks, must be situated relatively close to the ground, for obvious reasons of kinematics, to make it as easy as possible for the foot to enter the shoe when putting on. As most of the time this axis also serves as the bending axis of the rod, during skiing, the correspondence between this axis and the articulation of the skier's ankle is not ensured. To try to solve this problem, in certain alpine ski boots provided with a rod articulated in two parts, that is to say constituted by a front cuff and a rear cover, two axes of articulation, namely one for the front cuff, located in the ankle area, and the other for the back cover, located in the lower heel area. Such a boot is described, for example, in patent EP-A-0 119 566. With such a boot, during skiing, the two axes work simultaneously and constitute points of articulation of the front cuff and the rear cover. which then move in the same way as the two sides of a deformable parallelogram. However, such a displacement results in a translational movement of the front cuff and the rear cover relative to the leg, hence annoying friction on the lower leg.

On connait également, par le document FR 2 473 856, une chaussure dont la tige présente un collier articulé sur des leviers montés pivotants sur la coque. Ces leviers sont immobilisables dans une position basse pour provoquer le blocage du collier autour de son articulation, et libérables en pivotement vers le haut pour permettre un certain débattement dudit collier autour de son articulation. A cet effet, l'articulation du collier est située en avant de la ligne talon-tendon d'Achille, et entre des moyens d'appui obtenus sur la coque en correspondance de butées dont est pourvu ledit collier, tandis que les leviers s'étendent au-delà de l'articulation du collier, dans la zone du cou-de-pied. Cette disposition permet donc d'amener le collier dans une position dite "de descente" contre les moyens d'appui par abaissement de son articulation, ou dans une position dite "de détente" par élévation de son articulation et éloignement des moyens d'appui. Par contre, du fait que le collier coopère avec les moyens d'appui, même en position de détente, où il jouit simplement d'une amplitude de pivotement limitée, son articulation sur les leviers qui constitue l'axe d'ouverture de la tige, ne peut pas être abaissée par rapport à la coque en vue d'améliorer la fonction de chaussage-déchaussage ; cette fonction s'effectue en fait de manière classique, c'est-à-dire par ouverture latérale du collier.Document FR 2 473 856 also discloses a shoe, the upper of which has a collar articulated on levers pivotally mounted on the shell. These levers can be immobilized in a low position to cause blocking of the collar around its articulation, and releasable in pivoting upwards to allow a certain movement of said collar around its articulation. To this end, the articulation of the collar is located in front of the Achilles heel-tendon line, and between bearing means obtained on the shell in correspondence with stops which said collar is provided with, while the levers are extend beyond the joint of the collar, in the area of the instep. This arrangement therefore makes it possible to bring the collar into a so-called "descent" position against the support means by lowering its articulation, or into a so-called "relaxation" position by raising its articulation and distancing from the support means. . By cons, the fact that the collar cooperates with the support means, even in the relaxed position, where it simply enjoys a limited amplitude of pivoting, its articulation on the levers which constitutes the opening axis of the rod , cannot be lowered with respect to the shell in order to improve the shoe-on / shoe-off function; this function is in fact carried out in a conventional manner, that is to say by lateral opening of the collar.

La présente invention vise à remédier aux inconvénients des chaussures de ski alpin connues à ce jour et notamment à ceux des chaussures à deux axes d'articulation de la tige grâce à une conception particulièrement simple et efficace de l'ensemble du dispositif assurant la liaison articulée entre la tige de la chaussure et le bas de coque.The present invention aims to remedy the disadvantages of alpine ski boots known to date and in particular those of boots with two axes of articulation of the upper thanks to a particularly simple and effective design of the whole of the device ensuring the articulated connection between the upper of the boot and the bottom of the hull.

A cet effet cette chaussure de ski alpin du type à entrée arrière, comportant un bas de coque et une tige au moins en une partie, articulée sur le bas de coque, est caractérisée en ce qu'entre la tige et le bas de coque est interposé un support lui-même articulé sur le bas de coque autour d'un axe d'articulation horizontal et transversal, la tige étant articulée sur le support autour d'un axe distinct du précédent et en ce que la chaussure comporte des moyens de verrouillage pour immobiliser le support et par conséquent l'axe d'articulation de la tige sur le support dans une première position haute pour la pratique du ski et pour libérer ce support, lors du déchaussage, afin de permettre un pivotement du support par rapport au bas de coque, autour de son axe, vers une seconde position basse entraînant un déplacement vers l'arrière, et éventuellement vers le bas, de l'axe d'articulation de la tige sur le support.To this end, this alpine ski boot of the rear entry type, comprising a shell bottom and an at least part rod, articulated on the shell bottom, is characterized in that between the upper and the shell bottom is interposed a support itself articulated on the bottom of the shell around a horizontal and transverse articulation axis, the rod being articulated on the support around an axis distinct from the previous one and in that the shoe comprises locking means to immobilize the support and consequently the articulation axis of the rod on the support in a first high position for skiing and to release this support, during heaving, in order to allow the support to pivot relative to the bottom shell, around its axis, towards a second low position causing a rearward displacement, and possibly downward, of the axis of articulation of the rod on the support.

On décrira ci-après, à titre d'exemples non limitatifs, diverses formes d'exécution de la présente invention, en référence au dessin annexé sur lequel :

  • La figure 1 est une vue en élévation partielle d'une chaussure de ski alpin à tige articulée suivant l'invention, en position normale de pratique du ski.
  • La figure 2 est une vue en élévation de la chaussure de la figure 1, avec sa tige se trouvant en position fléchie vers l'avant.
  • La figure 3 est une vue en élévation partielle de la chaussure de ski de la figure 1 avec sa tige en position ouverte pour le chaussage et le déchaussage.
  • Les figures 4,5 et 6 sont des vues en élévation de diverses variantes d'exécution de la chaussure de ski alpin suivant l'invention.
  • Les figures 7 et 8 sont des vues en élévation d'une autre variante d'exécution d'une chaussure de ski alpin, respectivement en position de pratique du ski et de chaussage-déchaussage.
  • Les figures 9 et 10 sont des vues en élévation schématiques d'une autre variante d'exécution d'une chaussure de ski alpin suivant l'invention, respectivement en position de pratique du ski et de chaussage-déchaussage.
  • La figure 11 est une vue en élévation d'une autre variante d'exécution d'une chaussure de ski alpin suivant l'invention à capot arrière basculant, en position de chaussage-déchaussage.
  • La figure 12 est une vue en élévation d'une autre variante d'exécution d'une chaussure de ski alpin suivant l'invention, dont la tige est constituée en deux parties distinctes articulées entre elles à savoir une manchette avant et un capot arrière, en position normale de pratique du ski.
  • La figure 13 est une vue en élévation, avec arrachement partiel, à plus grande échelle, de la zone de liaison entre le capot arrière et le support de ce capot, et entre la manchette et le bas de coque de la chaussure de la figure 12.
  • La figure 14 est une vue en coupe, à plus grande échelle, faite suivant la ligne XIV-XIV de la figure 12.
  • La figure 15 est une vue en élévation de la chaussure de la figure 13 avec sa tige en position de flexion vers l'avant pendant la pratique du ski.
  • La figure 16 est une vue en élévation de la chaussure de ski alpin représentée sur la figure 13, avec son support basculé vers le bas et sa tige en position ouverte pour le chaussage et le déchaussage.
  • La figure 17 est une vue en élévation, avec arrachement partiel, à plus grande échelle, de la zone de liaison entre le capot arrière et le support de ce capot, et entre la manchette et le bas de coque de la chaussure représentée sur la figure 16.
  • La figure 18 est une vue en coupe, à plus grande échelle, faite suivant la ligne XVIII-XVIII de la figure 16.
  • La figure 19 est une vue en élévation d'une variante d'exécution de la chaussure de ski alpin de la figure 12, son support étant basculé vers le bas et sa tige étant en position ouverte pour le chaussage et le déchaussage.
  • La figure 20 est une vue en élévation, avec arrachement partiel, à plus grande échelle, de la zone de liaison entre le capot arrière et le support de ce capot, et entre la manchette et le bas de coque, dans le cas d'une variante de réalisation de la chaussure de la figure 12.
  • La figure 21 est une vue en coupe faite suivant la ligne XXI-XXI de la figure 20.
  • La figure 22 est une vue en coupe, à plus grande échelle, semblable à celle de la figure 14, dans le cas d'une variante de réalisation de la zone de liaison entre le capot arrière et son support.
Various embodiments of the present invention will be described below, by way of nonlimiting examples, with reference to the appended drawing in which:
  • Figure 1 is a partial elevational view of an alpine ski boot with articulated rod according to the invention, in normal position for skiing.
  • Figure 2 is an elevational view of the shoe of Figure 1, with its upper being in the forward bent position.
  • Figure 3 is a partial elevational view of the ski boot of Figure 1 with its upper in the open position for putting on and taking off.
  • Figures 4,5 and 6 are elevational views of various alternative embodiments of the alpine ski boot according to the invention.
  • Figures 7 and 8 are elevational views of another alternative embodiment of an alpine ski boot, respectively in the ski practice position and shoeing-heaving.
  • Figures 9 and 10 are schematic elevational views of another alternative embodiment of an alpine ski boot according to the invention, respectively in the ski practice position and boot-heaving.
  • Figure 11 is an elevational view of another alternative embodiment of an alpine ski boot according to the invention with tilting rear cover, in the boot-release position.
  • FIG. 12 is an elevational view of another alternative embodiment of an alpine ski boot according to the invention, the upper of which is made up of two distinct parts articulated together, namely a front cuff and a rear cover, in normal skiing position.
  • Figure 13 is an elevational view, partially broken away, on a larger scale, of the connection area between the rear cover and the support of this cover, and between the cuff and the shell bottom of the shoe of Figure 12 .
  • Figure 14 is a sectional view, on a larger scale scale, made along the line XIV-XIV of figure 12.
  • Figure 15 is an elevational view of the shoe of Figure 13 with its upper in the forward bending position during skiing.
  • Figure 16 is an elevational view of the alpine ski boot shown in Figure 13, with its support tilted down and its upper in the open position for putting on and taking off.
  • Figure 17 is an elevational view, partially broken away, on a larger scale, of the connection area between the rear cover and the support of this cover, and between the cuff and the shell bottom of the shoe shown in the figure 16.
  • Figure 18 is a sectional view, on a larger scale, taken along the line XVIII-XVIII of Figure 16.
  • Figure 19 is an elevational view of an alternative embodiment of the alpine ski boot of Figure 12, its support being tilted down and its upper being in the open position for putting on and taking off.
  • Figure 20 is an elevational view, partially broken away, on a larger scale, of the connection area between the rear cover and the support of this cover, and between the cuff and the bottom of the shell, in the case of a variant embodiment of the shoe of FIG. 12.
  • Figure 21 is a sectional view taken along line XXI-XXI of Figure 20.
  • Figure 22 is a sectional view, on a larger scale, similar to that of Figure 14, in the case of an alternative embodiment of the connection zone between the rear cover and its support.

La chaussure de ski alpin suivant l'invention qui est représentée sur les figures 1 à 3, comprend un bas de coque rigide 1 et une tige articulée 2 qui, dans cette forme d'exécution non limitative, est constituée en une seule piéce. Suivant l'invention la tige 2 est articulée, à sa partie inférieure, autour d'un axe horizontal et transversal 3, sur un support 4 qui est lui même articulé, à sa partie antérieure, sur le bas de coque 1, autour d'un axe horizontal et transversal 5 situé en avant de l'axe 3. En position de pratique du ski, ainsi qu'il est représenté sur les figures 1 et 2, l'axe d'articulation 3 de la tige 2 sur le support 4 est situé à une hauteur H, par rapport à la face inférieure de la semelle de la chaussure, qui est supérieure à la hauteur constante h de l'axe d'articulation 5 du support 4 sur le bas de coque 1 par rapport à cette même face inférieure de la semelle. Dans cette forme d'exécution le support 4 est constitué par un étrier entourant l'arrière du bas de coque 1 et plus particulièrement cet étrier 4 comprend une âme postérieure 4a qui est située juste au-dessus de la paroi postérieure 1a du bas de coque 1, en coiffant partiellement cette dernière, et deux branches latérales 4b qui s'étendent vers l'avant et qui sont inclinées de haut en bas et d'arrière en avant dans la position de pratique du ski représentée sur les figures 1 et 2. Chacune des branches latérales 4b de l'étrier 4 est reliée, dans sa partie extrême antérieure, au bas de coque 1, au moyen d'un téton matérialisant l'axe d'articulation transversal 5, les deux tétons 5 étant coaxiaux. Chaque branche latérale 4b est également liée à une partie inférieure latérale de la tige 2, par l'intermédiaire d'un téton matérialisant l'axe d'articulation 3 de la tige.The alpine ski boot according to the invention which is shown in Figures 1 to 3, comprises a rigid shell bottom 1 and an articulated rod 2 which, in this non-limiting embodiment, consists of a single piece. According to the invention the rod 2 is articulated, at its lower part, around a horizontal and transverse axis 3, on a support 4 which is itself articulated, at its front part, on the bottom of the shell 1, around a horizontal and transverse axis 5 situated in front of the axis 3. In the skiing practice position, as shown in FIGS. 1 and 2, the articulation axis 3 of the rod 2 on the support 4 is located at a height H, relative to the underside of the sole of the shoe, which is greater than the constant height h of the hinge pin 5 of the support 4 on the bottom of the shell 1 relative to this same underside of the sole. In this embodiment, the support 4 is constituted by a stirrup surrounding the rear of the bottom of the shell 1 and more particularly this stirrup 4 comprises a posterior core 4a which is located just above the rear wall 1a of the bottom of the hull. 1, partially covering the latter, and two lateral branches 4b which extend forward and which are inclined up and down and from back to front in the skiing practice position shown in FIGS. 1 and 2. Each of the lateral branches 4b of the stirrup 4 is connected, in its anterior end portion, to the bottom of the shell 1, by means of a stud materializing the transverse articulation axis 5, the two studs 5 being coaxial. Each lateral branch 4b is also linked to a lateral lower part of the rod 2, by means of a stud materializing the axis hinge 3 of the rod.

L'étrier 4 constituant le support de la tige 2 peut pivoter d'un certain angle autour de l'axe d'articulation 5, entre une position haute de pratique du ski représentée sur les figures 1 et 2 et une position basse de chaussage-déchaussage représentée sur la figure 3. Ce débattement angulaire est limité dans les deux sens par un dispositif de butée et ce dispositif peut comprendre, par exemple, un ergot 6 solidaire du bas de coque 1 et qui est engagé dans une lumière arquée 7 qui est ménagée dans la branche latérale 4b de l'étrier 4 en étant centrée sur l'axe d'articulation 5. Toutefois la disposition inverse pourrait aussi être adoptée c'est-à-dire en prévoyant l'ergot 6 sur la branche latérale 4b de l'étrier 4, cet ergot 6 s'engageant alors dans une gorge ou une rainure arquée ménagée dans la paroi latérale du bas de coque 1.The stirrup 4 constituting the support of the rod 2 can pivot by a certain angle around the articulation axis 5, between a high ski practice position shown in FIGS. 1 and 2 and a low boot position. heaving shown in FIG. 3. This angular movement is limited in both directions by a stop device and this device can comprise, for example, a lug 6 secured to the bottom of the shell 1 and which is engaged in an arcuate light 7 which is formed in the lateral branch 4b of the stirrup 4 while being centered on the articulation axis 5. However, the reverse arrangement could also be adopted, that is to say by providing the lug 6 on the lateral branch 4b of the stirrup 4, this lug 6 then engaging in a groove or an arcuate groove formed in the side wall of the bottom of the shell 1.

Un dispositif de verrouillage est prévu pour immobiliser l'étrier 4 dans sa position haute de pratique du ski. Ce dispositif de verrouillage peut comprendre, par exemple, un cliquet 8 articulé sur l'âme 4a de l'étrier 4, à l'extérieur de celle-ci, autour d'un axe horizontal et transversal 9, ce cliquet, en forme de L, comportant une branche inférieure 8a, qui traverse l'âme 4a de l'étrier 4 et qui peut venir se placer, en position haute de pratique du ski, juste au-dessus du bord supérieur de la paroi postérieure 1a du bas de coque 1, de manière à être en butée contre ce bord. De ce fait le cliquet 8 s'oppose normalement à tout mouvement de pivotement de l'étrier 4 vers le bas.A locking device is provided to immobilize the stirrup 4 in its high position for skiing. This locking device may comprise, for example, a pawl 8 articulated on the core 4a of the stirrup 4, outside of the latter, around a horizontal and transverse axis 9, this pawl, in the form of L, comprising a lower branch 8a, which passes through the core 4a of the stirrup 4 and which can come to be placed, in the high skiing position, just above the upper edge of the rear wall 1a of the bottom of the hull 1, so as to be in abutment against this edge. Therefore the pawl 8 normally opposes any pivoting movement of the stirrup 4 downwards.

En position normale de pratique du ski la tige 2 présente une certaine inclinaison vers l'avant par rapport au plan horizontal, cette inclinaison correspondant à l'angle a représenté sur la figure 1. Cette inclinaison ou avancée de la tige 2 peut être ajustée à volonté au moyen d'un dispositif de réglage de l'avancée de la tige 2 interposé entre celle-ci et l'âme postérieure 4a de l'étrier 4. Ce dispositif peut être constitué, dans cette forme d'exécution non limitative, par une vis 11 qui est vissée dans un trou fileté prévu dans une patte 12 s'étendant vers l'arrière à partir de la paroi postérieure de la tige 2 et dont la tête est accessible à partir du haut. L'extrémité inférieure de la vis 11 est en appui sur un bec 4c en saillie vers l'extérieur, lequel est prévu à l'extrémité supérieure de l'âme 4a de l'étrier 4. Pendant la pratique du ski l'étrier 4 est maintenu verrouillé en position haute, au moyen du cliquet 8 en appui, par sa branche inférieure 8a, sur le bord supérieur de la paroi postérieure 1a du bas de coque 1. La tige 2 peut fléchir plus ou moins vers l'avant, pendant la pratique du ski, comme il est représenté sur la figure 2 où l'on voit que la tige 2 est inclinée vers l'avant d'un angle a1 supérieur à l'angle a correspondant à la position normale représentée sur la figure 1 et dans laquelle la tige 2 est en appui arrière sur l'étrier 4, par l'intermédiaire de la vis 11.In normal skiing practice position the rod 2 has a certain inclination towards the front relative to the horizontal plane, this inclination corresponding to the angle represented in FIG. 1. This inclination or advance of the rod 2 can be adjusted at will by means of a device for adjusting the advance of the rod 2 interposed between it ci and the posterior core 4a of the stirrup 4. This device can be constituted, in this nonlimiting embodiment, by a screw 11 which is screwed into a threaded hole provided in a tab 12 extending towards the rear from the rear wall of the rod 2 and the head of which is accessible from the top. The lower end of the screw 11 is supported on a spout 4c projecting outwards, which is provided at the upper end of the core 4a of the stirrup 4. During skiing the stirrup 4 is kept locked in the high position, by means of the pawl 8 bearing, by its lower branch 8a, on the upper edge of the rear wall 1a of the bottom of the shell 1. The rod 2 can bend more or less forward, during skiing, as shown in FIG. 2 where it can be seen that the rod 2 is inclined towards the front by an angle a1 greater than the angle a corresponding to the normal position represented in FIG. 1 and in which the rod 2 is in rear support on the stirrup 4, by means of the screw 11.

Lorsque le skieur veut déchausser, il lui suffit de déverrouiller l'étrier 4, en escamotant vers l'extérieur le cliquet 8, si bien que l'étrier 4 est alors libéré et qu'il peut pivoter vers le bas, dans sa position basse de chaussage-déchaussage représentée sur la figure 3. Ce mouvement de pivotement vers le bas est limité par l'ergot 6 venant en contact avec l'extrémité supérieure de la lumière arquée 7. Dans cette position basse de l'étrier 4, l'axe d'articulation 3 de la tige 2 sur l'étrier 4 se trouve être abaissé à une hauteur H1, par rapport à la face inférieure de la semelle de la chaussure, qui est très légèrement supérieure à la hauteur h de l'axe d'articulation 5 de l'étrier 4 par rapport à cette même face inférieure. Toutefois cette hauteur H1 pourrait aussi être égale ou légèrement inférieure à la hauteur fixe h. L'abaissement de l'axe d'articulation 3 de la tige 2 facilite alors le déchaussage et le rechaussage ultérieur puisque dans cette position la tige 2 s'étend presque verticalement c'est-à-dire que son axe forme avec l'horizontale un angle a2 voisin de 90°.When the skier wants to take off his shoes, he only has to unlock the stirrup 4, by retracting the pawl 8 outwards, so that the stirrup 4 is then released and that it can pivot downwards, in its low position shoe-heaving shoe shown in Figure 3. This downward pivoting movement is limited by the lug 6 coming into contact with the upper end of the lumen arched 7. In this low position of the stirrup 4, the hinge pin 3 of the rod 2 on the stirrup 4 is found to be lowered to a height H1, relative to the underside of the sole of the shoe , which is very slightly greater than the height h of the hinge axis 5 of the stirrup 4 relative to this same lower face. However, this height H1 could also be equal to or slightly less than the fixed height h. The lowering of the articulation axis 3 of the rod 2 then facilitates heaving and subsequent relaunching since in this position the rod 2 extends almost vertically, that is to say that its axis forms with the horizontal an angle a2 close to 90 °.

On peut voir sur la figure 3 qu'en position basse déverrouillée la branche horizontale inférieure 8a du cliquet 8 qui a été repoussée vers l'extérieur, est en appui contre la paroi postérieure 1a du bas de coque 1. Le cliquet 8 est sollicité par un ressort non représenté qui repousse constamment la branche 8a contre la paroi 1a du bas de coque 1 si bien que, lorsque le skieur fait pivoter de nouveau l'étrier 4 vers sa position haute de pratique du ski, autour de l'axe 5, le cliquet 8 s'engage automatiquement, par sa branche 8a, au-dessus du bord supérieur de la paroi postérieure 1a du bas de coque 1, en assurant ainsi automatiquement de nouveau le verrouillage de l'étrier 4 en position haute de pratique du ski.It can be seen in FIG. 3 that in the unlocked low position the lower horizontal branch 8a of the pawl 8 which has been pushed outwards, is in abutment against the rear wall 1a of the bottom of the shell 1. The pawl 8 is urged by a spring (not shown) which constantly pushes the branch 8a against the wall 1a of the bottom of the shell 1 so that, when the skier rotates the stirrup 4 again towards its high skiing position, around the axis 5, the pawl 8 engages automatically, by its branch 8a, above the upper edge of the rear wall 1a of the bottom of the shell 1, thereby automatically ensuring again the locking of the stirrup 4 in the high skiing position .

Dans la variante d'exécution représentée sur la figure 4 l'étrier 4 porte un verrou 13 du type poussoir qui est sollicité élastiquement en direction de la paroi postérieure 1a du bas de coque 1 par un ressort non représenté, afin de pouvoir s'engager dans un creux formé dans cette paroi 1a. Le poussoir 13 peut être monté à coulissement dans l'âme postérieure 4a de l'étrier 4, comme il est représenté sur la figure 4, ou dans une branche latérale 4b de l'étrier 4. Par ailleurs un dispositif 10 de contrôle de la raideur de la tige 2 en flexion avant est monté entre la paroi postérieure de cette tige 2 et l'âme postérieure 4a de l'étrier 4.In the variant shown in FIG. 4, the stirrup 4 carries a latch 13 of the pusher type which is resiliently biased towards the rear wall 1a of the bottom of the shell 1 by a non-spring shown, in order to be able to engage in a hollow formed in this wall 1a. The pusher 13 can be slidably mounted in the rear core 4a of the stirrup 4, as shown in FIG. 4, or in a lateral branch 4b of the stirrup 4. Furthermore, a device 10 for controlling the stiffness of the rod 2 in front bending is mounted between the rear wall of this rod 2 and the rear core 4a of the stirrup 4.

La figure 5 illustre l'application de l'invention à une chaussure de ski alpin dont la tige 2 est constituée en deux parties et comporte une manchette avant 2a et un capot arrière 2b, ces deux parties étant articulées ensemble sur l'étrier 4 autour de l'axe commun 3.FIG. 5 illustrates the application of the invention to an alpine ski boot, the upper 2 of which is made up of two parts and comprises a front cuff 2a and a rear cover 2b, these two parts being articulated together on the stirrup 4 around of the common axis 3.

Dans la variante d'exécution représentée sur la figure 6 la chaussure de ski alpin comporte un étrier 14 qui est conformé d'une manière différente puisqu'il n'entoure pas l'arrière du bas de coque 1 mais il s'étend au-dessus de la partie antérieure de celui-ci. Dans ce cas l'étrier 14 comprend une âme antérieure 14a, s'étendant au-dessus de la paroi antérieure et supérieure inclinée 1b du bas de coque 1, et de chaque côté du bas de coque 1, une branche latérale antérieure 14b et une branche latérale postérieure 14c, ces deux branches latérales 14b,14c formant un V d'angle obtus ouvert vers le haut et qui est articulé, à l'endroit de son sommet, sur le bas de coque 1, autour de l'axe 5. La tige 2 est articulée sur chaque branche latérale postérieure 14c de l'étrier 14, autour de l'axe 3, qui est, là encore, situé au-dessus et en arrière de l'axe d'articulation 5 de l'étrier 14 sur le bas de coque 1. Le verrouillage de l'étrier 14 en position de pratique du ski est réalisé au moyen d'un dispositif de verrouillage 15 qui coopère avec l'âme 14a de l'étrier 14 et qui est fixé sur la paroi supérieure inclinée 1b du bas de coque 1. Pendant la pratique du ski la branche postérieure 14c est maintenue, par le dispositif de verrouillage 15, en position haute, de même que l'axe d'articulation 3 de la tige 2 sur l'étrier 14, et cette branche postérieure 14c est abaissée, conjointement avec l'axe d'articulation 3, lorsque l'étrier 14 est déverrouillé, en position de chaussage-déchaussage.In the variant shown in FIG. 6, the alpine ski boot includes a stirrup 14 which is shaped in a different way since it does not surround the rear of the shell 1 but it extends over the above the front part of it. In this case the stirrup 14 comprises an anterior core 14a, extending above the inclined anterior and upper wall 1b of the bottom of the shell 1, and on each side of the bottom of the shell 1, an anterior lateral branch 14b and a posterior lateral branch 14c, these two lateral branches 14b, 14c forming an obtuse angle V open upwards and which is articulated, at the point of its apex, on the shell bottom 1, around the axis 5. The rod 2 is articulated on each rear lateral branch 14c of the stirrup 14, around the axis 3, which is, here again, located above and behind the articulation axis 5 of the stirrup 14 on the bottom of the hull 1. The stirrup 14 is locked in the ski practice position by means of a locking device 15 which cooperates with the core 14a of the stirrup 14 and which is fixed to the inclined upper wall 1b of the bottom of the hull 1. During skiing, the rear branch 14c is held in place by the locking device 15 , in the high position, as well as the articulation axis 3 of the rod 2 on the stirrup 14, and this rear branch 14c is lowered, together with the articulation axis 3, when the stirrup 14 is unlocked , in the shoe on / off position.

Dans la variante d'exécution représentée sur les figures 7 et 8 la chaussure de ski comporte une tige 2 réalisée en deux parties, à savoir une manchette avant 2a et un capot arrière 2b et dans ce cas seul le capot arrière 2b est articulé sur l'étrier 4, autour de l'axe 3. La manchette avant 2a est, elle, articulée, à sa partie inférieure, directement sur le bas de coque 1, autour d'un axe fixe indépendant 16. En position de pratique du ski, comme il est représenté sur la figure 7, les deux axes 3,16 sont coaxiaux et sont situés au niveau de l'articulation de la cheville du skieur et il en résulte que la tige 2 de la chaussure pivote par rapport au bas de coque autour d'un axe unique 3,16. En position de chaussage-déchaussage, c'est-à-dire lorsque l'étrier 4 a pivoté dans sa position basse, la manchette avant 2a reste en position sur le bas de coque 1 lorsque le capot arrière 2b est abaissé vers l'arrière, ce qui facilite le chaussage et le déchaussage.In the variant shown in FIGS. 7 and 8, the ski boot comprises a rod 2 made in two parts, namely a front cuff 2a and a rear cover 2b and in this case only the rear cover 2b is articulated on the caliper 4, around the axis 3. The front cuff 2a is, for its part, articulated, at its lower part, directly on the bottom of the shell 1, around an independent fixed axis 16. In the skiing position, as shown in Figure 7, the two axes 3.16 are coaxial and are located at the articulation of the ankle of the skier and it follows that the upper 2 of the shoe pivots relative to the bottom of the shell around of a single axis 3.16. In the boot-shoeing position, that is to say when the stirrup 4 has pivoted in its low position, the front cuff 2a remains in position on the bottom of the shell 1 when the rear cover 2b is lowered towards the rear , which facilitates putting on and taking off.

Les figures 9 et 10 représentent une variante d'exécution de la chaussure de ski alpin illustrée sur la figure 6 mais dans ce cas la tige 2 est là encore réalisée en deux parties à savoir une manchette avant 2a et un capot arrière 2b. La manchette avant 2a est articulée sur le bas de coque 1, autour de l'axe 16, alors que le capot arrière 2b est seul articulé sur l'étrier 14 et plus particulièrement sur sa branche latérale postérieure 14c, autour de l'axe 3. En position de pratique du ski, comme il est représenté sur la figure 9, les deux axes 3,16 sont coaxiaux alors qu'en position de chaussage-déchaussage (figure 10), l'axe 3 est abaissé par rapport à l'axe 16 qui, lui, est fixe et le capot arrière de 2b est basculé vers le bas et vers l'arrière.Figures 9 and 10 show an alternative embodiment of the alpine ski boot illustrated in Figure 6 but in this case the rod 2 is again made in two parts namely a front cuff 2a and a cover rear 2b. The front cuff 2a is articulated on the bottom of the shell 1, around the axis 16, while the rear cover 2b is alone articulated on the stirrup 14 and more particularly on its rear lateral branch 14c, around the axis 3 In the skiing practice position, as shown in FIG. 9, the two axes 3.16 are coaxial while in the boot-release position (FIG. 10), the axis 3 is lowered relative to the axis 16 which is fixed and the rear cover of 2b is tilted down and back.

La figure 11 illustre l'application de l'invention à une chaussure de ski dans laquelle la tige 2, réalisée en deux parties comprend une manchette avant 2a qui est solidaire du bas de coque 1, par l'intermédiaire d'une zone de flexion 17, et un capot arrière 2b qui peut seul basculer autour de l'axe 5. Dans ce cas le capot arrière 2b est seul articulé sur l'étrier 4 autour de l'axe 3.FIG. 11 illustrates the application of the invention to a ski boot in which the upper 2, produced in two parts comprises a front cuff 2a which is integral with the bottom of the shell 1, by means of a flexion zone 17, and a rear cover 2b which alone can tilt around the axis 5. In this case the rear cover 2b is alone articulated on the stirrup 4 around the axis 3.

Dans la variante d'exécution qui est représentée sur les figures 12 à 18, la chaussure comprend un bas de coque rigide 1 et une tige articulée 2 qui est réalisée en deux parties à savoir une manchette avant 2a et un capot arrière 2b. La manchette avant 2a est articulée, à sa partie inférieure, directement sur le bas de coque 1, autour d'un axe transversal fixe 16 situé sensiblement au niveau de la cheville du pied du skieur. Cet axe d'articulation 16 est matérialisé par un téton 20 traversant des trous percés dans le bas de coque 1 et la manchette avant 2a, ces trous ayant éventuellement des diamètres différents. Le téton 20 se termine, à ses deux extrémités, par des têtes 20a et 20b formant des rivets situés respectivement à l'intérieur de la paroi du bas de coque 1, contre cette paroi, et à l'extérieur de la manchette avant 2a, contre la face externe de celle-ci.In the alternative embodiment which is shown in FIGS. 12 to 18, the shoe comprises a rigid shell bottom 1 and an articulated rod 2 which is produced in two parts, namely a front cuff 2a and a rear cover 2b. The front cuff 2a is articulated, at its lower part, directly on the bottom of the shell 1, around a fixed transverse axis 16 located substantially at the ankle of the skier's foot. This articulation axis 16 is materialized by a stud 20 passing through holes drilled in the bottom of the shell 1 and the front cuff 2a, these holes possibly having different diameters. The stud 20 ends at its two ends with heads 20a and 20b forming rivets situated respectively inside the wall of the bottom of the shell 1, against this wall, and outside of the front cuff 2a, against the outer face thereof.

Le capot arrière 2b de la tige 2 est, lui, articulé, autour d'un axe horizontal et transversal 3, sur le support 4 qui est lui-même articulé sur le bas de coque 1, à sa partie antérieure et inférieure, autour d'un axe horizontal et transversal 5 situé plus bas que l'axe 3. Le support 4 a la forme d'un étrier entourant l'arrière du bas de coque 1 et qui comprend deux ailes latérales 4b s'étendant vers l'avant et inclinées de haut en bas et d'arrière en avant dans la position de pratique du ski. Ce support 4 porte un dispositif de verrouillage 13 qui permet de rendre l'étrier formant support 4 solidaire du bas de coque 1, pendant la pratique du ski. Ce dispositif de verrouillage 13 peut être placé en n'importe quel endroit approprié du support et il est monté de préférence à l'arrière comme il est représenté sur la figure 12.The rear cover 2b of the rod 2 is itself articulated around a horizontal and transverse axis 3, on the support 4 which is itself articulated on the bottom of the shell 1, at its front and lower part, around d 'a horizontal and transverse axis 5 located lower than the axis 3. The support 4 has the shape of a stirrup surrounding the rear of the bottom of the shell 1 and which comprises two lateral wings 4b extending forwardly and tilted up and down and back and forth in the skiing position. This support 4 carries a locking device 13 which makes it possible to make the stirrup forming support 4 integral with the bottom of the shell 1, during skiing. This locking device 13 can be placed at any suitable location on the support and is preferably mounted at the rear as shown in FIG. 12.

Comme on peut mieux le voir sur les figures 13 et 14, l'articulation, autour de l'axe transversal 3, entre le capot arrière 2b et chacune des ailes 4b de l'étrier 4 formant support est réalisée au moyen d'un bossage cylindrique 21, à section droite circulaire, centré sur l'axe 3, et qui est engagé dans une ouverture circulaire 22, de même rayon. Dans la forme d'exécution représentée sur les figures 12 à 18 le bossage cylindrique 21 fait partie intégrante de l'aile 4b de l'étrier 4 formant support et il est en saillie vers l'extérieur de cette aile pour s'engager dans l'ouverture circulaire 22 qui est, elle, prévue dans une aile inférieure et antérieure du capot arrière 2b qui se trouve située à l'extérieur par rapport à l'étrier 4.As can best be seen in FIGS. 13 and 14, the articulation, around the transverse axis 3, between the rear cover 2b and each of the wings 4b of the stirrup 4 forming a support is produced by means of a boss cylindrical 21, of circular cross section, centered on the axis 3, and which is engaged in a circular opening 22, of the same radius. In the embodiment shown in FIGS. 12 to 18, the cylindrical boss 21 forms an integral part of the wing 4b of the stirrup 4 forming a support and it projects outwards from this wing in order to engage in the circular opening 22, which is provided in a lower and anterior wing of the rear cover 2b which is located outside with respect to the stirrup 4.

Le téton 20 qui matérialise l'axe d'articulation 16 de la manchette avant 2a sur le bas de coque 1, passe à travers une lumière 23 qui s'étend de part en part à travers la zone surépaissie où est formé le bossage circulaire 21 porté par l'aile 4b. Cette lumière 23 peut avoir n'importe quelle forme et notamment elle peut avoir une largeur sensiblement égale au diamètre du téton 20 et s'étendre suivant un arc de cercle 24 qui est centré sur l'axe d'articulation 5 de l'étrier formant support 4 sur le bas de coque 1 et qui passe par l'axe 3, comme on peut mieux le voir sur la figure 2. De ce fait le téton 20 engagé à travers la lumière 23 constitue une butée qui limite, en coopération avec les extrémités postérieure 23a et antérieure 23b de la lumière 23, l'amplitude du mouvement angulaire de basculement de l'étrier 4 formant support autour de l'axe 5.The stud 20 which materializes the hinge pin 16 from the front cuff 2a on the bottom of the shell 1, passes through a lumen 23 which extends right through the thickened zone where the circular boss 21 formed by the wing 4b is formed. This light 23 can have any shape and in particular it can have a width substantially equal to the diameter of the stud 20 and extend in an arc 24 which is centered on the axis of articulation 5 of the stirrup forming support 4 on the bottom of the shell 1 and which passes through the axis 3, as can best be seen in FIG. 2. Therefore the stud 20 engaged through the light 23 constitutes a stop which limits, in cooperation with the posterior 23a and anterior 23b ends of the lumen 23, the amplitude of the angular tilting movement of the stirrup 4 forming a support around the axis 5.

En position de pratique du ski l'étrier 4 formant support est maintenu en position haute sur le bas de coque 1, au moyen du dispositif de verrouillage 13, comme il est représenté sur les figures 12 à 15. Dans cette position l'extrémité postérieure 23a de la lumière 23 est en butée contre le téton 20 et l'axe d'articulation 3 du capot arrière 2b sur l'étrier formant support 4 est confondu avec l'axe d'articulation 16 de la manchette avant 2a sur le bas de coque 1, comme il apparaît plus clairement sur les figures 2 et 3. De ce fait la tige 2 qui est serrée autour du bas de la jambe du skieur, peut pivoter dans son ensemble autour de l'axe d'articulation transversal commun 3,16 situé sensiblement au niveau de la cheville du skieur. La figure 15 représente une position de la tige 2 qui est davantage fléchie vers l'avant que la tige représentée sur la figure 12.In the ski practice position, the stirrup 4 forming a support is held in the high position on the bottom of the shell 1, by means of the locking device 13, as shown in FIGS. 12 to 15. In this position the rear end 23a of the light 23 is in abutment against the stud 20 and the hinge pin 3 of the rear cover 2b on the bracket forming the support 4 is coincident with the hinge pin 16 of the front cuff 2a on the bottom of shell 1, as it appears more clearly in FIGS. 2 and 3. As a result, the rod 2 which is tightened around the bottom of the skier's leg, can pivot as a whole around the common transverse articulation axis 3, 16 located substantially at the level of the skier's ankle. FIG. 15 represents a position of the rod 2 which is bent more forward than the rod shown in FIG. 12.

Lorsque le skieur veut déchausser, il débloque le dispositif de verrouillage 13 de manière à faire basculer vers le bas l'étrier formant support 4, autour de l'axe 5, pour l'amener dans la position représentée sur la figure 16. Au cours de ce mouvement de basculement de l'étrier 4 dans le sens des aiguilles d'une montre autour de l'axe inférieur 5, la lumière 23 glisse le long du téton 20 jusqu'à ce que l'extrémité antérieure 23b de cette lumière 23 vienne buter contre le téton 20, en limitant ainsi la course de basculement de l'étrier 4 vers le bas, comme il est représenté sur les figures 16,17 et 18, si bien que l'amplitude du débattement angulaire de l'étrier formant support 4 est fonction de la longueur de la lumière 23. Dans ce cas l'axe 3 du bossage circulaire 21, c'est-à-dire l'axe d'articulation du capot arrière 2b sur l'étrier formant support 4, se trouve décalé vers l'arrière par rapport à l'axe d'articulation 16 de la manchette avant 2a sur le bas de coque 1, comme on peut mieux le voir sur les figures 17 et 18. Le décalage vers l'arrière du capot arrière 2b qui en résulte facilite ainsi l'opération de chaussage et de déchaussage.When the skier wants to take off his shoes, he unlocks the locking device 13 so as to tilt down the stirrup forming support 4, around the axis 5, to bring it into the position shown in FIG. 16. During of this tilting movement of the stirrup 4 clockwise around the lower axis 5, the lumen 23 slides along the stud 20 until the anterior end 23b of this lumen 23 abuts against the stud 20, thereby limiting the tilting stroke of the stirrup 4 downwards, as shown in FIGS. 16, 17 and 18, so that the amplitude of the angular movement of the stirrup forms support 4 is a function of the length of the lumen 23. In this case the axis 3 of the circular boss 21, that is to say the axis of articulation of the rear cover 2b on the stirrup forming support 4, is found offset backwards with respect to the hinge pin 16 of the front cuff 2a on the b ace of hull 1, as can best be seen in FIGS. 17 and 18. The offset towards the rear of the rear cover 2b which results therefrom thus facilitates the operation of putting on and taking off.

Dans la variante d'exécution représentée sur les figures 19,20 et 21 la lumière 23 est représentée comme débouchant dans le bord antérieur de l'aile latérale 4b de l'étrier 4 formant support et dans celui du capot postérieur 2b. Ceci permet d'obtenir une plus grande amplitude de débattement angulaire de l'étrier formant support 4 vers le bas puisque le téton 20 peut alors sortir totalement de la lumière 23.In the variant shown in FIGS. 19, 20 and 21, the lumen 23 is shown as opening into the front edge of the lateral wing 4b of the stirrup 4 forming a support and into that of the rear cover 2b. This makes it possible to obtain a greater amplitude of angular movement of the stirrup forming the support 4 downwards since the stud 20 can then come completely out of the light 23.

La figure 22 illustre une variante d'exécution dans laquelle le bossage circulaire 21 matérialisant l'axe d'articulation 3 du capot arrière 2b sur l'étrier formant support 4, est prévu sur la face interne de l'aile latérale du capot arrière 2b et s'étend vers l'intérieur pour s'engager étroitement dans une ouverture circulaire 22 de même rayon prévue dans l'aile latérale 4b de l'étrier 4.FIG. 22 illustrates an alternative embodiment in which the circular boss 21 materializing the axis of articulation 3 of the rear cover 2b on the bracket forming the support 4, is provided on the internal face of the lateral wing of the rear cover 2b and extends inwardly for s tightly engage in a circular opening 22 of the same radius provided in the lateral wing 4b of the stirrup 4.

Claims (17)

  1. Alpine ski boot of the type entered at the back, including a shell bottom (1) and an upper shank (2), which pivots in at least one portion relative to the shell bottom (1) by way of a pivotably connected (5) support (4, 15), and which is immobilizable on the support in the position of active skiing with the aid of locking means (8, 13, 16), characterized in that the upper shank (2) is pivotably connected to the support (4, 15) about a shaft (3), located in the active skiing position, to the rear and above the pivotable connection shaft (5) thereof, and that the locking means (8, 13, 16) are intended to immobilize the support (4, 15) in a first upper position corresponding to the active skiing position, and releasing the support, when the ski boot is removed, toward a second lower position bringing about a displacement rearward and downward of the pivotable connection shaft (3) of the upper shank (2).
  2. The alpine ski boot of claim 1, characterized in that the support (4) is constituted by a stirrup surrounding the rear of the shell bottom (1), this stirrup (4) including a posterior core (4a), which is located just above the posterior wall (1a) of the shell bottom (1), by partially surmounting the latter wall, and two lateral arms (4b) that support the pivotable connection shaft (3) of the upper shank, and which extend frontward as far as the pivotable connection shaft (5) of said stirrup (4).
  3. The alpine ski boot of claim 2, characterized in that each of the latter arms (4b) of the stirrup (4) is connected, in its anterior end portion, to the shell bottom, by means of a dog point physically embodying the transverse pivotable connection shaft (5), the two dog points (5) being coaxial.
  4. The alpine ski boot of claim 3, characterized in that the locking device includes a rachet (8) pivotably connected to the core (4a) of the stirrup (4), outside it, about a horizontal and transverse shaft (9), this rachet, which is L-shaped, including a lower arm (8a) which traverses the core (4a) of the stirrup (4) and which comes to be placed, in the upper position of the stirrup, just above the upper edge of the posterior wall (1a) of the shell bottom (1), abutting against this edge.
  5. The alpine ski boot of claim 3, characterized in that the stirrup (4) has a lock (13) of the pushbutton type, which is elastically urged in the direction of the wail (1a) of the shell bottom 91) by a spring, in order to be capable, when the stirrup (4) is in the active skiing position, of engaging a hollow formed in this wall (1a), this pushbutton (13) being mounted for sliding in the posterior core (4a) of the stirrup (4) or in a lateral arm (4b) of the stirrup (4).
  6. The alpine ski boot of one of claims 2-5, characterized in that it includes a device for adjusting the forward motion of the upper shank (2) interposed between the upper shank and the posterior core (4a) of the stirrup (4).
  7. The alpine ski boot of claim 6, characterized in that the device for adjusting the forward motion of the upper shank includes a screw (11) which is screwed into a threaded hole provided in a tab (12) extending rearward from the posterior wall of the upper shank (2), and whose head is accessible from above, the lower end of the screw (11) resting on a protuberance (4c) that protrudes to the outside, and that is provided on the upper end of the core (4a) of the stirrup (4).
  8. The alpine ski boot of claim 1, characterized in that the support is constituted by a stirrup (14), which includes an anterior core (14a), extending above the anterior and superior inclined wall (1b) of the shell bottom (1), and, on each side of the shell bottom (1), one anterior lateral arm (14b) and one posterior lateral arm (14c), these two lateral arms (14b, 14c) forming a V that makes an obtuse angle open toward the top and which is pivotably connected, in the region of its apex, to the shell bottom (1) about the shaft (5), the upper shank (2) being pivotably connected to each posterior lateral arm (14c) of the stirrup (14), about the shaft (3).
  9. The alpine ski boot of claim 8, characterized in that it includes a locking device (15) that cooperates with the core (14a) of the stirrup (14) and that us fixed to the inclined upper wall (1b) of the shell bottom (1).
  10. The alpine ski boot of one of the foregoing claim, characterized in that the upper shank (2) is made in two parts, that is, a cuff (2a) and a rear cap (2b), the latter part alone being pivotably connected to the support (4, 15) about the shaft (3).
  11. The alpine ski boot of claim 10, characterized in that the cuff (2a) is pivotably connected in its lower portion directly to the shell bottom (1), about a fixed independent shaft (16), with respect to which the pivotable connection shaft (3) is coaxial in the active skiing position at the level of the ankle joint of the skier.
  12. The alpine ski boot of one of claims 10 or 11, characterized in that the pivotable connection about the transverse shaft (3) between the rear cap (2b) and the support (4) is constituted by a cylindrical boss (21), which is circular in cross section and is centered on said shaft (3), forming an integral part of the support (4) (or of the rear cap (2b)) and which engages a circular opening (22) of the same radius provided in the rear cap (2b) (or the support (4)), the circular cylindrical boss (21) is pierced all the way through by a slot (23), and the shaft (16) for pivotable connection of the front cuff (2a) to the shell bottom (1) is embodied by a dog point (20) that extends through the slot (23) of the boss (21) and that constitutes a stop, in cooperation with the edge of this slot (23).
  13. The alpine ski boot of claim 12, characterized in that the slot (23) pierced in the boss (21) is closed on its two ends, that is, the posterior end (23a) and the anterior end (23b).
  14. The alpine ski boot of claim 13, characterized in that the slot (23) pierced in the boss (21) opens into the anterior edge of the lateral arm (4b) of the support (4) and into the anterior edge of the posterior cap (2b).
  15. The alpine ski boot of one of claims 12-14, characterized in that the slot (23) extends along a circular arc (24) that passes through the shaft (3) and is centered on the shaft (5) for pivotable connection of the support (4) to the shell bottom (1), this slot having a width substantially equal to the diameter of the dog point (20) embodying the pivotable connection shaft (16).
  16. The alpine ski boot of claim 10, characterized in that the front cuff (2a) is solid with the shell bottom (1) by a flexing zone (17), and the rear cap (2b) alone is pivotably connected to the support (4) about the shaft (3).
  17. The alpine ski boot of one of the foregoing claims, characterized in that it includes means (6, 7) for limiting the angular clearance of the support (4, 15) in both directions, these means including a pin (6) solid with the shell bottom (1) and engaging a curved slot (7) that is provided in a lateral arm (4b) of the support (4), being centered on the shaft (5) for pivotable connection of the support to the shell bottom (1).
EP89420423A 1988-12-13 1989-11-03 Alpine ski boot of the rear entrance type Expired - Lifetime EP0374056B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
FR8816400 1988-12-13
FR8816400A FR2640122B1 (en) 1988-12-13 1988-12-13 REAR ENTRY TYPE ALPINE SKI BOOT
FR8911991 1989-09-13
FR8911991A FR2651647A2 (en) 1989-09-13 1989-09-13 Rear-entry alpine ski boot

Publications (3)

Publication Number Publication Date
EP0374056A2 EP0374056A2 (en) 1990-06-20
EP0374056A3 EP0374056A3 (en) 1990-08-16
EP0374056B1 true EP0374056B1 (en) 1994-06-01

Family

ID=26227046

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89420423A Expired - Lifetime EP0374056B1 (en) 1988-12-13 1989-11-03 Alpine ski boot of the rear entrance type

Country Status (5)

Country Link
US (1) US5031341A (en)
EP (1) EP0374056B1 (en)
JP (1) JPH02200206A (en)
AT (1) ATE106200T1 (en)
DE (1) DE68915716T2 (en)

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FR2657503B1 (en) * 1990-01-26 1994-09-23 Salomon Sa SKI BOOT WITH REAR ENTRY.
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FR2672189B1 (en) * 1991-02-01 1993-06-11 Salomon Sa SKI BOOT WITH REAR HOOD ARTICULATED ON THE HULL ARM.
FR2674107A1 (en) * 1991-03-21 1992-09-25 Salomon Sa ALPINE SKI SHOE WITH ENERGY COMPONENT JOINED ON HULL.
FR2674106A1 (en) * 1991-03-21 1992-09-25 Salomon Sa ALPINE SKI BOOT WITH ENERGY CALIPER ARTICULATED ON THE REAR HOOD.
FR2676337A1 (en) * 1991-05-14 1992-11-20 Rossignol Sa SKI SHOE WITH HULL AND NECKLACE.
FR2678490B1 (en) * 1991-07-01 1993-09-24 Salomon Sa SKI SHOE WITH ROD LOCKING DEVICE.
FR2678489B1 (en) * 1991-07-01 1993-09-24 Salomon Sa SKI SHOE HAVING A ROD PIVOTING IMMOBILIZER.
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US5437466B1 (en) 1993-07-19 1997-11-18 K 2 Corp In-line roller skate
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Also Published As

Publication number Publication date
US5031341A (en) 1991-07-16
DE68915716D1 (en) 1994-07-07
EP0374056A2 (en) 1990-06-20
JPH02200206A (en) 1990-08-08
DE68915716T2 (en) 1994-09-15
ATE106200T1 (en) 1994-06-15
EP0374056A3 (en) 1990-08-16

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