EP0287508A2 - Ski boot with an automatic closure device - Google Patents

Ski boot with an automatic closure device Download PDF

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Publication number
EP0287508A2
EP0287508A2 EP88810173A EP88810173A EP0287508A2 EP 0287508 A2 EP0287508 A2 EP 0287508A2 EP 88810173 A EP88810173 A EP 88810173A EP 88810173 A EP88810173 A EP 88810173A EP 0287508 A2 EP0287508 A2 EP 0287508A2
Authority
EP
European Patent Office
Prior art keywords
rod
pulleys
telescopic
shell
articulated
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.)
Withdrawn
Application number
EP88810173A
Other languages
German (de)
French (fr)
Other versions
EP0287508A3 (en
Inventor
David Dodge
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.)
Lange International SA
Original Assignee
Lange International SA
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
Application filed by Lange International SA filed Critical Lange International SA
Publication of EP0287508A2 publication Critical patent/EP0287508A2/en
Publication of EP0287508A3 publication Critical patent/EP0287508A3/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/16—Fastenings secured by wire, bolts, or the like
    • 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
    • A43B5/0458—Adjustment of the forward inclination of the boot leg including flex control; Dampening means with the actuator being disposed at the front side of the boot
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/21—Strap tighteners
    • Y10T24/2183—Ski, boot, and shoe fasteners
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/21—Strap tighteners
    • Y10T24/2187—Rack and pinion and circular tighteners

Definitions

  • the present invention relates to a ski boot shell of the rear opening type comprising a rigid shell bottom, a rod articulated on this shell bottom consisting of a front part and a rear part both articulated and means of closure of this rod put into action automatically by bending the front part of the rod forwards.
  • a shoe of this type is described in the document FR-A-2,540,359.
  • the rear part of the articulated rod hangs, in the open position, tilted back, on a notch of the bottom of the shell, by tensioning a spring.
  • a bending of the front part of the rod has the effect of releasing the rear part which closes on the front part under the effect of the spring.
  • the rear cover is suddenly folded down on the ankle.
  • the automatic closing system does not tighten the rod.
  • the present invention proposes to achieve a softer automatic closure and simultaneously ensuring a tightening of the rod around the leg.
  • the shoe according to the invention is closed by pulling on cables, without a return spring suddenly folding the rear part of the upper.
  • the closure can be done smoothly at the discretion of the user. It is also easy to provide at the rear of the shoe a device for adjusting the final tension of the cables when the traction device arrives in the locked position.
  • a mitten made it possible to solve the problem resulting from the appreciable difference between the possible small displacement of the front part of the rod and the important desired displacement of the posterior part of the rod.
  • the use of a mitten makes it possible to multiply the displacement of the anterior part of the rod.
  • the means for automatic mutual locking of the telescopic parts which are most simply achievable in the form of a pawl are located at the front of the shoe and are therefore easily accessible. It is without other possibility to provide an unlocking by means of a pressure exerted by the end of a ski pole.
  • this elastic element is used simultaneously as an elastic return member for an automatic locking pawl.
  • the shoe shown in Figure 1 is a molded plastic shoe. It consists of a shell bottom 1 made in one piece with the sole 2, on which is articulated around two opposite rivets 3, a rod in two parts, either a front part 4 and a rear part 5. A l inside the shoe is disposed a soft liner 6 whose upper is also split into two parts to be able to open with the upper of the shoe.
  • a cable hooking device 7 for hooking the ends of two cables 22 and 23 passing on each side of the rear part 5 of the rod, in guides, and on each side of the front part 4 of the rod, also in guides, and the other ends of which are attached to a telescopic traction device 8, the ends of which are articulated, of a firstly, in the upper region of the front part 4 of the rod on a stirrup 9 and, secondly, on the bottom of the shell 1, between a pair of projections 10 formed on the bottom of the shell not far from the end of the shoe.
  • the cable hanging device 7 can be produced in the form of a rotary drum allowing the active length of the cables 22 and 23 to be adjusted.
  • the pulling device 8 has the effect of pulling on the cables 22 and 23 when the front part 4 of the rod is bent forward by compressing the telescopic device 8. This pulling device 8 is designed so as to multiply its shortening so as to ensure the closure of the upper of the shoe by the interlocking of its parts 4 and 5 as shown in FIG. 2.
  • the telescopic traction device 8 will be described in detail by means of FIGS. 3 to 5.
  • the female part of the telescopic traction device 8 consists of a substantially rectangular, elongated plate 11 articulated between the projections of the pair 9 and of an elongated rectangular cover 12 U-shaped, positioned on the plate 11, of a firstly by a stud 13 located on a shoulder 30 of the plate 11 and secondly by a pair of lateral tabs 14 of the plate 11 engaging in two notches 15 and 16 of the cover 12.
  • the cover 12 is fixed to the plate 11 by means of a nut 17 screwed to the end of an axis 18 fixed perpendicularly in the plate 11 and carrying a first pair of pulleys 19 and 20 coaxial and of the same diameter.
  • a plate 21 On the axis 18, between the pulleys 19 and 20, is mounted a plate 21 on which is attached the end 22a of the cable 22 and under which is attached the end 23a of the cable 23.
  • two parallel grooves 24 and 25 On the opposite inner faces of the plate 11 and 4 of the cover 12 are formed two parallel grooves 24 and 25 having a first rectilinear part extending parallel to the telescopic device 8, slightly offset with respect to the center line of the device and a curved part 24a, respectively 25a curved in the direction of the other side of its midline.
  • These grooves 24 and 25 serve to house and guide an axis 26 carrying a second pair of pulleys 28 and 29 coaxial and of diameter less than the diameter of the pulleys 19 and 20.
  • the two pairs of pulleys 19, 20 and 28, 29 constitute two mittens, respectively for the cable 22 and for the cable 23.
  • the cable 23 crosses the shoulder 30 on the other side of the latter to pass around the pulley 19, then around the pulley 29 to come and attach by its end 23a to the attachment plate 21.
  • the male part of the telescopic traction device 8 consists of a rectangular metal part pro U-shaped 31 articulated on the stirrup 10.
  • One of the sides of this part 31 has an edge 32 folded parallel to the plate 11.
  • the width of this folded edge 32 is such that it lets the axis 18 of the pulleys 19 and 20 pass freely, but that it abuts at its end 33 against the axis 26 of the pulleys 28 and 29 when this axis 26 is in the rectilinear part of the grooves 24 and 25.
  • the bent edge 32 therefore extends between the grooves 24 and 25, in their rectilinear parts, but only in this rectilinear part, so that when the axis 26 of the pulleys 28 and 29 engage in the curved parts 24a and 25a of the grooves, the pulleys 28 and 29 escape the end 33 and that the bent flange 32 can pass next to the pulleys 28 and 29.
  • the flange 32 has a notch 36 serving as a limit stop for travel to the axis 18, that is to say ie the extension of the traction device.
  • the other side of the male part 31 also has a flange 34 bent parallel to the plate 11, but it extends longitudinally less far than the edge 32, so that its end 35 does not interfere with the movement of the pulleys 28 and 29 in the curved parts 24a and 25a of the grooves 24 and 25.
  • the length of the edge 34 is however sufficient to ensure satisfactory guidance of the two telescopic parts in one another. Over a certain length, the edges 32 and 34 form two parallel arms between which there remains a space for the passage of the axis 18 pulleys 19 and 20. A corresponding slot is provided on the bottom of the part 31.
  • a pawl 39 extending parallel to the axis of the telescopic traction device and on the elastic block 37 which also serves as spring for the pawl 39.
  • the pawl 39 has a bent lower end against which the elastic block 37 bears, which thus also keeps the pawl 39 in the working position.
  • the pawl 39 is provided with two nozzles 40 and 41 intended to cooperate with two notches 42 and 43 formed by the ends of two parallel longitudinal grooves 44 and 45 formed in the inner face of the cover 12 of the female part.
  • the pawl 39 can be raised to the position 39 ⁇ shown in phantom, for the establishment of the block of elastic material 37 or to replace this block, for example with a block of different hardness.
  • the end 33 of the longest arm of the male part 31 pushes back the axis of the pulleys 28 and 29 along the rectilinear part grooves 24 and 25, so that the two sets of pulleys move away from each other.
  • the distance from which the two sets of pulleys deviate results in a shortening of the cables 22 and 23 equal to twice the said distance, which has the effect of ensuring rapid closure of the two parts. 4 and 5 of the upper of the shoe.
  • the initial length of the cables and the shortening is chosen so that the upper of the boot is tightened around the ankle of the skier.
  • this axis 26 engages in the parts curves 24a and 25a of the grooves and escapes at the end 33.
  • the male part 31 can continue its penetration into the female part 11, 12 without further modifying the spacing of the two sets of pulleys, that is to say without increasing tightening the upper of the shoe.
  • the pulleys 19 and 20 abut against the block of elastic material 37 by compressing it slightly and the spouts 40 and 41 of the pawl 39 come to hang behind the notches 42 and 43 of the female part.
  • the traction device 8 is then locked in the closed position for skiing.
  • the block of elastic material 37 acts as an elastic stop ensuring the elasticity of the upper of the shoe to flexion.
  • the telescopic device 8 is susceptible of numerous variant embodiments.
  • the stop 33 could act directly on the shaft 26, passing between the pulleys 28 and 29, so as to reduce the braking action on the pulleys.
  • the pulley sets could include more than two pulleys if it were necessary to increase the multiplication of the telescopic device stroke.
  • the curved parts 24a and 25a of the grooves could be simply oblique rectilinear.
  • the two cables could be replaced by a single cable.
  • the pawl 39 could be mounted on the other telescopic part. It could be replaced, for example, by two lateral pawls.

Abstract

La chaussure est munie d'un dispositif de fermeture (8) de la tige en deux parties, mis en action automatique­ment par la flexion de la partie antérieure de la tige vers l'avant. Le dispositif (8) comprend essentielle­ment deux jeux de poulies (19, 20, 28, 29) constituant un moufle pour deux câbles (22, 23). Les deux jeux de poulies sont montés de telle sorte qu'ils s'écartent l'un de l'autre lors de la flexion de la tige vers l'avant. Le moufle a pour effet de multiplier cet écar­tement pour assurer la fermeture de la manchette. Le serrage est limité par l'écartement limité des deux jeux de poulies, grâce à un guidage adéquat (24, 24a) du jeu de poulies mobiles (28, 29).

Figure imgaf001
The shoe is provided with a closure device (8) of the upper in two parts, activated automatically by bending the front part of the upper forward. The device (8) essentially comprises two sets of pulleys (19, 20, 28, 29) constituting a block for two cables (22, 23). The two sets of pulleys are mounted so that they move apart from each other when the rod bends forward. The muffle has the effect of increasing this spacing to ensure the closure of the cuff. The tightening is limited by the limited spacing of the two sets of pulleys, thanks to adequate guidance (24, 24a) of the set of movable pulleys (28, 29).
Figure imgaf001

Description

La présente invention a pour objet une chaussure de ski à coque du type à ouverture arrière comprenant un bas de coque rigide, une tige articulée sur ce bas de coque constitué d'une partie antérieure et d'une partie postérieure toutes deux articulées et des moyens de fermeture de cette tige mis en action automatiquement par la flexion de la partie antérieure de la tige vers l'avant.The present invention relates to a ski boot shell of the rear opening type comprising a rigid shell bottom, a rod articulated on this shell bottom consisting of a front part and a rear part both articulated and means of closure of this rod put into action automatically by bending the front part of the rod forwards.

Une chaussure de ce type est décrite dans le document FR-A-2 540 359. Dans cette chaussure, la partie posté­rieure de la tige articulée vient s'accrocher, en position ouverte, basculée en arrière, sur un cran du bas de coque, en tendant un ressort. Une flexion de la partie antérieure de la tige a pour effet de libérer la partie postérieure qui se referme sur la partie antérieure sous l'effet du ressort.A shoe of this type is described in the document FR-A-2,540,359. In this shoe, the rear part of the articulated rod hangs, in the open position, tilted back, on a notch of the bottom of the shell, by tensioning a spring. A bending of the front part of the rod has the effect of releasing the rear part which closes on the front part under the effect of the spring.

On connaît d'autre part une autre chaussure à fermeture automatique dans laquelle la fermeture automatiquement d'un capot arrière est assuré par un mécanisme actionné par une semelle intérieure lorsque l'utilisateur exerce une pression sur cette semelle intérieure (JP-A-57-86 301).Another shoe with automatic closing is known, in which the automatic closing of a rear cover is ensured by a mechanism actuated by an insole when the user exerts pressure on this insole (JP-A-57- 86 301).

Dans ces exécutions antérieures, le capot arrière est rabattu brusquement sur la cheville. En outre, le sys­tème de fermeture automatique n'assure pas de serrage de la tige.In these previous embodiments, the rear cover is suddenly folded down on the ankle. In addition, the automatic closing system does not tighten the rod.

La présente invention se propose de réaliser une fer­meture automatique plus douce et assurant simultanément un serrage de la tige autour de la jambe.The present invention proposes to achieve a softer automatic closure and simultaneously ensuring a tightening of the rod around the leg.

Ce résultat est obtenu par les moyens définis à la re­vendication 1.This result is obtained by the means defined in claim 1.

La fermeture de la chaussure selon l'invention s'effec­tue par traction sur des câbles, sans ressort de rappel rabattant brusquement la partie postérieure de la tige. La fermeture peut se faire en douceur au gré de l'uti­lisateur. Il est en outre facile de prévoir à l'arrière de la chaussure un dispositif de réglage de la tension finale des câbles lorsque le dispositif de traction arrive en position de verrouillage.The shoe according to the invention is closed by pulling on cables, without a return spring suddenly folding the rear part of the upper. The closure can be done smoothly at the discretion of the user. It is also easy to provide at the rear of the shoe a device for adjusting the final tension of the cables when the traction device arrives in the locked position.

L'utilisation d'un moufle à permis de résoudre le problème résultant de la différence sensible entre le faible déplacement possible de la partie antérieure de la tige et l'important déplacement désiré de la partie postérieure de la tige. L'utilisation d'un moufle permet en effet de multiplier le déplacement de la partie antérieure de la tige.The use of a mitten made it possible to solve the problem resulting from the appreciable difference between the possible small displacement of the front part of the rod and the important desired displacement of the posterior part of the rod. The use of a mitten makes it possible to multiply the displacement of the anterior part of the rod.

L'utilisation d'un guidage, notamment sous forme de rainures, présentant une partie courbe pour le jeu de poulies mobiles a d'autre part permis de résoudre le problème du travail en flexion de la tige lors de la pratique du ski. Il convenait en effet que la force de serrage de la tige n'augmente pas lors de cette flexion de la tige.The use of a guide, in particular in the form of grooves, having a curved part for the set of movable pulleys has on the other hand made it possible to solve the problem of the work in bending of the rod during the practice of skiing. It was indeed appropriate that the clamping force of the rod does not increase during this bending of the rod.

En outre, les moyens de verrouillage mutuel automatique des pièces téléscopiques le plus simplement réalisables sous la forme d'un cliquet, se trouvent à l'avant de la chaussure et sont par conséquent d'un accès facile. Il est sans autre possible de prévoir un déverrouillage au moyen d'une pression exercée par l'extrémité d'un bâton de ski.In addition, the means for automatic mutual locking of the telescopic parts which are most simply achievable in the form of a pawl are located at the front of the shoe and are therefore easily accessible. It is without other possibility to provide an unlocking by means of a pressure exerted by the end of a ski pole.

Une fois que l'on dispose de deux pièces téléscopiques, il est en outre possible de prévoir une butée élastique à l'intérieur du dispositif téléscopique ce qui permet de réaliser simultanément l'élasticité de la tige à la flexion. Selon une forme d'exécution, cet élément élas­tique est utilisé simultanément comme organe élastique de rappel d'un cliquet de verrouillage automatique.Once two telescopic parts are available, it is also possible to provide an elastic stop inside the telescopic device, which makes it possible to simultaneously produce the elasticity of the rod to bending. According to one embodiment, this elastic element is used simultaneously as an elastic return member for an automatic locking pawl.

Le dessin annexé représente, à titre d'exemple, une forme d'exécution de la chaussure selon l'invention.

  • La figure 1 est une vue schématique de la chaussure en position ouverte.
  • La figure 2 est une vue schématique de la même chaussure en position fermée verrouillée.
  • La figure 3 est une vue en perspective du dispositif de traction dans la position précédent le verrouillage.
  • La figure 4 est une vue de dessous du capot de la pièce tubulaire femelle du dispositif de traction représenté à la figure 3.
  • La figure 5 est une vue ouverte du dispositif de traction, c'est-à-dire sans le capot de la pièce femelle.
The accompanying drawing shows, by way of example, an embodiment of the shoe according to the invention.
  • Figure 1 is a schematic view of the shoe in the open position.
  • Figure 2 is a schematic view of the same shoe in the locked closed position.
  • Figure 3 is a perspective view of the traction device in the position before locking.
  • FIG. 4 is a view from below of the cover of the female tubular part of the traction device shown in FIG. 3.
  • Figure 5 is an open view of the traction device, that is to say without the cover of the female part.

La chaussure représentée à la figure 1 est une chaus­sure en matière synthétique moulée. Elle est constituée d'un bas de coque 1 venu d'une pièce avec la semelle 2, sur lequel est articulée autour de deux rivets opposés 3, une tige en deux parties, soit une partie antérieure 4 et une partie postérieure 5. A l'intérieur de la chaussure est disposé un chausson moelleux 6 dont la tige est également fendue en deux parties pour pouvoir s'ouvrir avec la tige de la chaussure. Au dos de la partie postérieure 5 de la tige, dans la partie supé­rieure de celle-ci, est monté un dispositif d'accro­chage de câble 7 pour l'accrochage des extrémités de deux câbles 22 et 23 passant de chaque côté de la partie postérieure 5 de la tige, dans des guidages, et de chaque côté de la partie antérieure 4 de la tige, également dans des guidages, et dont les autres extré­mités sont attachées à un dispositif téléscopique de traction 8 dont les extrémités sont articulées, d'une part, dans la région supérieure de la partie antérieure 4 de la tige sur un étrier 9 et, d'autre part, sur le bas de coque 1, entre une paire de saillies 10 formées sur le bas de coque pas loin de l'extrémité de la chaussure. Le dispositif d'accrochage des câbles 7 peut être réalisé sous la forme d'un tambour rotatif permet­tant de régler la longueur active des câbles 22 et 23. Un tel dispositif, connu en soi, ne sera pas décrit ici en détail. Il pourra d'ailleurs être remplacé par tout autre dispositif connu de réglage de longueur de câble, par exemple un dispositif à vis et écrou tel qu'utilisé pour les câbles de bicyclette. Le dispositif de trac­tion 8 a pour effet de tirer sur les câbles 22 et 23 lorsqu'on fléchit la partie antérieure 4 de la tige vers l'avant en comprimant le dispositif téléscopique 8. Ce dispositif de traction 8 est conçu de manière à multiplier son raccourcicement de manière à assurer la fermeture de la tige de la chaussure par l'emboîtement des ses parties 4 et 5 comme représenté à la figure 2.The shoe shown in Figure 1 is a molded plastic shoe. It consists of a shell bottom 1 made in one piece with the sole 2, on which is articulated around two opposite rivets 3, a rod in two parts, either a front part 4 and a rear part 5. A l inside the shoe is disposed a soft liner 6 whose upper is also split into two parts to be able to open with the upper of the shoe. On the back of the rear part 5 of the rod, in the upper part thereof, is mounted a cable hooking device 7 for hooking the ends of two cables 22 and 23 passing on each side of the rear part 5 of the rod, in guides, and on each side of the front part 4 of the rod, also in guides, and the other ends of which are attached to a telescopic traction device 8, the ends of which are articulated, of a firstly, in the upper region of the front part 4 of the rod on a stirrup 9 and, secondly, on the bottom of the shell 1, between a pair of projections 10 formed on the bottom of the shell not far from the end of the shoe. The cable hanging device 7 can be produced in the form of a rotary drum allowing the active length of the cables 22 and 23 to be adjusted. Such a device, known per se, will not be described here in detail. It can also be replaced by any other known cable length adjusting device, for example a screw and nut device as used for bicycle cables. The pulling device 8 has the effect of pulling on the cables 22 and 23 when the front part 4 of the rod is bent forward by compressing the telescopic device 8. This pulling device 8 is designed so as to multiply its shortening so as to ensure the closure of the upper of the shoe by the interlocking of its parts 4 and 5 as shown in FIG. 2.

Le dispositif de traction téléscopique 8 sera décrit en détail au moyen des figures 3 à 5.The telescopic traction device 8 will be described in detail by means of FIGS. 3 to 5.

La pièce femelle du dispositif de traction téléscopique 8 est constitué d'une plaque 11 essentiellement rectan­gulaire, allongée, articulée entre les saillies de la paire 9 et d'un capot rectangulaire allongé 12 profilé en U, positionné sur la plaque 11, d'une part par un téton 13 situé sur un épaulement 30 de la plaque 11 et d'autre part par une paire de pattes latérales 14 de la plaque 11 s'engageant dans deux encoches 15 et 16 du capot 12. Le capot 12 est fixé à la plaque 11 au moyen d'un écrou 17 vissé à l'extrémité d'un axe 18 fixé per­pendiculairement dans la plaque 11 et portant une pre­mière paire de poulies 19 et 20 coaxiales et de même diamètre. Sur l'axe 18, entre les poulies 19 et 20, est montée une plaquette 21 sur laquelle est attachée l'ex­trémité 22a du câble 22 et sous laquelle est attaché l'extrémité 23a du câble 23. Sur les faces intérieures opposées de la plaque 11 et 4 du capot 12 sont formées deux rainures parallèle 24 et 25 présentant une premiè­re partie rectiligne s'étendant parallèlement au dispo­sitif téléscopique 8, légèrement décalée par rapport à la ligne médiane du dispositif et une partie courbe 24a, respectivement 25a courbée en direction de l'autre côté de sa ligne médiane. Ces rainures 24 et 25 servent au logement et au guidage d'un axe 26 portant une deuxième paire de poulies 28 et 29 coaxiales et de diamètre inférieur au diamètre des poulies 19 et 20. Les deux paires de poulies 19, 20 et 28, 29 constituent deux moufles, respectivement pour le câble 22 et pour le câble 23. Le câble 22, venant de la tige de la chaussure, traverse tout d'abord l'épaulement 30 de la plaque 11, passe ensuite autour de la poulie 20, puis autour de la poulie 28 pour venir s'attacher par son extrémité 22a à la plaquette 21. Le câble 23 traverse 10 l'épaulement 30 de l'autre côté de celui-ci pour venir passer autour de la poulie 19, puis autour de la poulie 29 pour venir s'attacher par son extrémité 23a à la plaquette d'attache 21.The female part of the telescopic traction device 8 consists of a substantially rectangular, elongated plate 11 articulated between the projections of the pair 9 and of an elongated rectangular cover 12 U-shaped, positioned on the plate 11, of a firstly by a stud 13 located on a shoulder 30 of the plate 11 and secondly by a pair of lateral tabs 14 of the plate 11 engaging in two notches 15 and 16 of the cover 12. The cover 12 is fixed to the plate 11 by means of a nut 17 screwed to the end of an axis 18 fixed perpendicularly in the plate 11 and carrying a first pair of pulleys 19 and 20 coaxial and of the same diameter. On the axis 18, between the pulleys 19 and 20, is mounted a plate 21 on which is attached the end 22a of the cable 22 and under which is attached the end 23a of the cable 23. On the opposite inner faces of the plate 11 and 4 of the cover 12 are formed two parallel grooves 24 and 25 having a first rectilinear part extending parallel to the telescopic device 8, slightly offset with respect to the center line of the device and a curved part 24a, respectively 25a curved in the direction of the other side of its midline. These grooves 24 and 25 serve to house and guide an axis 26 carrying a second pair of pulleys 28 and 29 coaxial and of diameter less than the diameter of the pulleys 19 and 20. The two pairs of pulleys 19, 20 and 28, 29 constitute two mittens, respectively for the cable 22 and for the cable 23. The cable 22, coming from the upper of the shoe, firstly crosses the shoulder 30 of the plate 11, then passes around the pulley 20, then around the pulley 28 to come and attach by its end 22a to the plate 21. The cable 23 crosses the shoulder 30 on the other side of the latter to pass around the pulley 19, then around the pulley 29 to come and attach by its end 23a to the attachment plate 21.

La pièce mâle du dispositif de traction télescopique 8 est constituée d'une pièce métallique rectangulaire pro filée en U 31 articulée sur l'étrier 10. L'un des côtés de cette pièce 31 présente un bord 32 replié parallèle­ment à la plaque 11. Sur la majeure partie de sa lon­gueur la largeur de ce bord replié 32 est telle qu'il laisse passer librement l'axe 18 des poulies 19 et 20, mais qu'il vient buter par son extrémité 33, contre l'axe 26 des poulies 28 et 29 lorsque cet axe 26 est dans la partie rectiligne des rainures 24 et 25. Le rebord coudé 32 s'étend donc entre les rainures 24 et 25, dans leurs parties rectilignes, mais seulement dans cette partie rectiligne, de telle sorte que lorsque l'axe 26 des poulies 28 et 29 s'engagent dans les par­ties courbes 24a et 25a des rainures, les poulies 28 et 29 échappent à l'extrémité 33 et que le rebord coudé 32 peut passer à côté des poulies 28 et 29. Le rebord 32 présente un cran 36 servant de butée limitatrice de course à l'axe 18, c'est-à-dire à l'extension du dispo­sitif de traction.The male part of the telescopic traction device 8 consists of a rectangular metal part pro U-shaped 31 articulated on the stirrup 10. One of the sides of this part 31 has an edge 32 folded parallel to the plate 11. On most of its length, the width of this folded edge 32 is such that it lets the axis 18 of the pulleys 19 and 20 pass freely, but that it abuts at its end 33 against the axis 26 of the pulleys 28 and 29 when this axis 26 is in the rectilinear part of the grooves 24 and 25. The bent edge 32 therefore extends between the grooves 24 and 25, in their rectilinear parts, but only in this rectilinear part, so that when the axis 26 of the pulleys 28 and 29 engage in the curved parts 24a and 25a of the grooves, the pulleys 28 and 29 escape the end 33 and that the bent flange 32 can pass next to the pulleys 28 and 29. The flange 32 has a notch 36 serving as a limit stop for travel to the axis 18, that is to say ie the extension of the traction device.

L'autre côté de la pièce mâle 31 présente également un rebord 34 coudé parallèlement à la plaque 11, mais il s'étend longitudinalement moins loin que le bord 32, de telle sorte que son extrémité 35 ne vienne pas gêner le déplacement des poulies 28 et 29 dans les parties courbes 24a et 25a des rainures 24 et 25. La longueur du bord 34 est toutefois suffisante pour assurer un guidage satisfaisant des deux pièces télescopiques l'une dans l'autre. Sur une certaine longueur, les bords 32 et 34 forment deux bras parallèles entre lesquels subsiste un espace pour le passage de l'axe 18 des poulies 19 et 20. Une fente correspondante est prévue sur le fond de la pièce 31. A l'extrémité infé­rieure de la pièce mâle 31 est logé un bloc rectangu­laire 37 élastique en caoutchouc ou autre élastomère qui sert de butée élastique de fin de course aux poulies 19 et 20. Autour de l'axe d'articulation 38 de la pièce mâle 31 est en outre articulé un cliquet 39 s'étendant parallèlement à l'axe du dispositif de traction télescopique et sur le bloc élastique 37 qui sert également de ressort pour le cliquet 39. Le cli­quet 39 présente une extrémité inférieure coudée contre laquelle s'appuie le bloc élastique 37 qui maintient ainsi également le cliquet 39 en position de travail. Le cliquet 39 est muni de deux becs 40 et 41 destinés à coopérer avec deux crans 42 et 43 formés par les extré­mités de deux rainures longitudinales parallèles 44 et 45 formées dans la face intérieure du capot 12 de la pièce femelle. Le cliquet 39 peut être relevé dans la position 39ʹ représenté en trait mixte, pour la mise en place du bloc en matière élastique 37 ou pour remplacer ce bloc, par exemple par un bloc de dureté différente.The other side of the male part 31 also has a flange 34 bent parallel to the plate 11, but it extends longitudinally less far than the edge 32, so that its end 35 does not interfere with the movement of the pulleys 28 and 29 in the curved parts 24a and 25a of the grooves 24 and 25. The length of the edge 34 is however sufficient to ensure satisfactory guidance of the two telescopic parts in one another. Over a certain length, the edges 32 and 34 form two parallel arms between which there remains a space for the passage of the axis 18 pulleys 19 and 20. A corresponding slot is provided on the bottom of the part 31. At the lower end of the male part 31 is housed a rectangular block 37 elastic of rubber or other elastomer which serves as an elastic limit stop to the pulleys 19 and 20. Around the articulation axis 38 of the male part 31 is also articulated a pawl 39 extending parallel to the axis of the telescopic traction device and on the elastic block 37 which also serves as spring for the pawl 39. The pawl 39 has a bent lower end against which the elastic block 37 bears, which thus also keeps the pawl 39 in the working position. The pawl 39 is provided with two nozzles 40 and 41 intended to cooperate with two notches 42 and 43 formed by the ends of two parallel longitudinal grooves 44 and 45 formed in the inner face of the cover 12 of the female part. The pawl 39 can be raised to the position 39ʹ shown in phantom, for the establishment of the block of elastic material 37 or to replace this block, for example with a block of different hardness.

Le fonctionnement du dispositif de traction et le sui­vant : en position ouverte de la chaussure (figure 1) l'axe 18 des poulies 19 et 20 est en butée contre le cran 36, les deux jeux de poulies 19, 20 et 28, 29 sont très proches l'un de l'autre et l'axe 26 des poulies 28 et 29 est à l'extrémité inférieure des rainures 24 et 25. Le cliquet 39 est dégagé de la partie femelle 12. Lorsque l'utilisateur, après avoir chaussé la chaussu­re, fléchit la jambe, il comprime le dispositif de tra­ction télescopique 8. Lors de cette compression, l'ex­trémité 33 du bras le plus long de la pièce mâle 31 repousse l'axe des poulies 28 et 29 le long de la partie rectiligne des rainures 24 et 25, de sorte que les deux jeux de poulies s'écartent l'un de l'autre. Grâce à l'effet des moufles, la distance dont s'écarte les deux jeux de poulies se traduit par un raccourcis­sement des câbles 22 et 23 égal au double de ladite distance, ce qui a pour effet d'assurer une fermeture rapide des deux parties 4 et 5 de la tige de la chaussure. La longueur initiale des câbles et le raccourcissement est choisi de telle sorte que la tige de la chaussure soit serrée autour de la cheville du skieur. Au bout de la course rectiligne de l'axe 26 des poulies 28 et 29 (position représentée aux figures 3 et 5), qui correspond à la fermeture et au serrage de la tige de la chaussure, cet axe 26 s'engage dans les parties courbes 24a et 25a des rainures et échappe à l'extrémité 33. La pièce mâle 31 peut poursuivre sa pénétration dans la pièce femelle 11, 12 sans plus modifier l'écartement des deux jeux de poulies, c'est-­à-dire sans augmenter le serrage de la tige de la chaussure. Simultanément ou peu après, les poulies 19 et 20 viennent buter contre le bloc en matière élastique 37 en le comprimant légèrement et les becs 40 et 41 du cliquet 39 viennent s'accrocher derrière les crans 42 et 43 de la pièce femelle. Le dispo-sitif de traction 8 est alors verrouillé en position de fermeture pour la pratique du ski. Lors de la descente, le bloc en matière élastique 37 agit comme butée élas­tique assurant l'élasticité de la tige de la chaussure à la flexion.The operation of the traction device and the following: in the open position of the boot (FIG. 1) the axis 18 of the pulleys 19 and 20 is in abutment against the notch 36, the two sets of pulleys 19, 20 and 28, 29 are very close to each other and the axis 26 of the pulleys 28 and 29 is at the lower end of the grooves 24 and 25. The pawl 39 is released from the female part 12. When the user, after having put on the shoe, flexes the leg, it compresses the telescopic traction device 8. During this compression, the end 33 of the longest arm of the male part 31 pushes back the axis of the pulleys 28 and 29 along the rectilinear part grooves 24 and 25, so that the two sets of pulleys move away from each other. Thanks to the effect of the mittens, the distance from which the two sets of pulleys deviate results in a shortening of the cables 22 and 23 equal to twice the said distance, which has the effect of ensuring rapid closure of the two parts. 4 and 5 of the upper of the shoe. The initial length of the cables and the shortening is chosen so that the upper of the boot is tightened around the ankle of the skier. At the end of the rectilinear stroke of the axis 26 of the pulleys 28 and 29 (position shown in Figures 3 and 5), which corresponds to the closing and tightening of the upper of the shoe, this axis 26 engages in the parts curves 24a and 25a of the grooves and escapes at the end 33. The male part 31 can continue its penetration into the female part 11, 12 without further modifying the spacing of the two sets of pulleys, that is to say without increasing tightening the upper of the shoe. Simultaneously or shortly after, the pulleys 19 and 20 abut against the block of elastic material 37 by compressing it slightly and the spouts 40 and 41 of the pawl 39 come to hang behind the notches 42 and 43 of the female part. The traction device 8 is then locked in the closed position for skiing. During the descent, the block of elastic material 37 acts as an elastic stop ensuring the elasticity of the upper of the shoe to flexion.

Pour déchausser, il suffit de déverrouiller le disposi­tif de traction 8 en pressant sur le cliquet 39 de manière à dégager ses becs 40 et 41 des crans 42 et 43 et de redresser la jambe. Il suffit ensuite de faire basculer la partie postérieure 5 de la tige vers l'ar­rière pour se retrouver dans la position de déchaussage représenté à la figure 1. La pression sur le cliquet 39 peut être exercée au moyen d'un bâton de ski et, à cet effet, le cliquet est muni d'un creux 36 destiné à recevoir l'extrémité du bâton.To take off the shoes, it suffices to unlock the traction device 8 by pressing on the pawl 39 so as to release its beaks 40 and 41 from the notches 42 and 43 and to straighten the leg. Then just tilt the rear part 5 of the rod backwards to find yourself in the heaving position shown in Figure 1. The pressure on the pawl 39 can be exerted by means of a ski pole and, for this purpose, the pawl is provided with a recess 36 intended to receive the end of the pole.

Le dispositif télescopique 8 est susceptible de nom­breuses variantes d'exécution. Par exemple, la butée 33 pourrait agir directement sur l'arbre 26, en passant entre les poulies 28 et 29, de manière à réduire l'ac­tion de freinage sur les poulies. Les jeux de poulies pourraient comprendre plus de deux poulies s'il s'avé­rait nécessaire d'augmenter la multiplication de la course du dispositif télescopique. Les parties courbes 24a et 25a des rainures pourraient être tout simplement oblique rèctiligne. Les deux câbles pourraient être remplacés par un câble unique.The telescopic device 8 is susceptible of numerous variant embodiments. For example, the stop 33 could act directly on the shaft 26, passing between the pulleys 28 and 29, so as to reduce the braking action on the pulleys. The pulley sets could include more than two pulleys if it were necessary to increase the multiplication of the telescopic device stroke. The curved parts 24a and 25a of the grooves could be simply oblique rectilinear. The two cables could be replaced by a single cable.

Le cliquet 39 pourrait être monté sur l'autre pièce télescopique. Il pourrait être remplacé, par exemple, par deux cliquet latéraux.The pawl 39 could be mounted on the other telescopic part. It could be replaced, for example, by two lateral pawls.

Claims (6)

1. Chaussure de ski à coque, du type à ouverture arrière, comprenant un bas de coque rigide (1) et une tige articulée sur ce bas de coque, constituée d'une partie antérieure (4) et d'une partie postérieure (5) toutes deux articulées et des moyens de fermeture (8, 22, 23) de la tige mis en action automatiquement par la flexion de la partie antérieure de la tige vers l'avant, caractérisée par le fait que les moyens de fermeture automatique de la tige comprennent :
deux câbles (22, 23) attachés par l'une de leurs extrémités à la partie postérieure de la tige (5) et par leurs autres extrémités (22a, 23a) à un disposi­tif de traction (8) monté entre la partie antérieure de la tige (4) et la région antérieure du bas de co­que (1), ce dispositif de traction comprenant deux pièces télescopiques (11, 12 et 31) attachées respec­tivement à la tige et au bas de coque, la pièce atta­chée à la tige comprenant deux jeux de poulies (19, 20, 28, 29) constituant un moufle pour chacun des câbles, le premier jeu de poulies (19, 20) étant monté autour d'un axe fixe, tandis que le second jeu de poulies (28, 29) est monté autour d'un axe mobile dans un guidage (24, 25) dont une partie rectiligne s'étend parallèlement à la direction du déplacement télescopique et dont une autre partie (24a, 25a), du côté de la tige, est courbe, la pièce télescopique attachée au bas de coque présentant une butée (33) s'étendant au-dessus de la partie rectiligne du gui­dage (24, 25), butée contre laquelle vient par consé­quent buter le jeu de poulies mobiles (28, 29), la partie courbe (24a, 25a) du guidage s'écartant de cette butée (33) de telle sorte que la butée peut passer à côté desdites poulies lorsqu'elles sont dans ladite partie courbe du guidage, les câbles étant attachés à la pièce télescopique (11, 12) attachée à la tige,
- et des moyens de verrouillage mutuels automatiques (39, 42, 43) des pièces télescopiques en position enfoncée l'une dans l'autre.1. Hull ski boot, of the rear opening type, comprising a rigid shell bottom (1) and an articulated rod on this shell bottom, consisting of a front part (4) and a rear part (5 ) both articulated and means for closing (8, 22, 23) of the rod put into action automatically by bending the front part of the rod towards the front, characterized in that the means for automatically closing the rod include:
two cables (22, 23) attached by one of their ends to the rear part of the rod (5) and by their other ends (22a, 23a) to a traction device (8) mounted between the front part of the rod (4) and the anterior region of the bottom of the shell (1), this traction device comprising two telescopic parts (11, 12 and 31) attached respectively to the rod and to the bottom of the shell, the part attached to the rod comprising two sets of pulleys (19, 20, 28, 29) constituting a block for each of the cables, the first set of pulleys (19, 20) being mounted around a fixed axis, while the second set of pulleys (28, 29 ) is mounted around a movable axis in a guide (24, 25) of which a rectilinear part extends parallel to the direction of the telescopic movement and of which another part (24a, 25a), on the side of the rod, is curved , the telescopic part attached to the bottom of the shell having a stop (33) extending above the rectilinear part of the guide (24, 25), stop against which consequently comes to abut the set of movable pulleys (28, 29), the curved part (24a, 25a) of the guide moving away from this stop (33) so that the stop can pass next to said pulleys when they are in said curved part of the guide, the cables being attached to the telescopic piece (11, 12) attached to the rod,
- And automatic mutual locking means (39, 42, 43) of the telescopic parts in the position pressed into one another. 2. Chaussure de ski selon la revendication 1, caracté­risée par le fait que les moyens de verrouillage mutuel des pièces télescopiques sont consitués par un cliquet (39) articulé sur l'une des pièces télescopique et coopérant avec un cran (42, 43) de l'autre pièce téles­copique.2. Ski boot according to claim 1, characterized in that the means for mutual locking of the telescopic parts are constituted by a pawl (39) articulated on one of the telescopic parts and cooperating with a notch (42, 43) of the other telescopic piece. 3. Chaussure de ski selon l'une des revendications 1 ou 2, caractérisée par le fait que la pénétration des pièces télescopiques l'une dans l'autre est limitée par un élément élastique (37).3. Ski boot according to one of claims 1 or 2, characterized in that the penetration of the telescopic parts into one another is limited by an elastic element (37). 4. Chaussure de ski selon les revendications 2 et 3, caractérisée par le fait que ledit élément élastique (37) est un bloc en élastomère et qu'il sert simultanément de ressort au cliquet (39) s'étendant au-­dessus de lui.4. Ski boot according to claims 2 and 3, characterized in that said elastic element (37) is an elastomer block and that it simultaneously serves as a spring for the pawl (39) extending above it. 5. Chaussure selon la revendication 4, caractérisée par le fait que l'extrémité inférieure de la pièce té­lescopique articulée au bas de coque (31) a la forme d'un boîtier rectangulaire dont le couvercle est cons­titué par ledit cliquet (39) et qui contient ledit bloc en élastomère (37).5. Shoe according to claim 4, characterized in that the lower end of the telescopic part articulated at the bottom of the shell (31) has the shape of a rectangular box, the cover of which is constituted by said pawl (39) and which contains said elastomer block (37). 6. Chaussure selon la revendication 5, caractérisée par le fait que la pièce télescopique articulée sur le bas de coque (31) est constitué par une pièce mâle présen­tant un bras longitudinale long (32) dont l'extrémité (33) constitue ladite butée et un bras parallèle court (34) situé du même côté que la partie courbe du guidage (24a), et que l'autre pièce télescopique (11, 12) est une pièce tubulaire femelle dont l'axe (18) portant le jeu de poulies fixe passe entre les deux bras longitu­dinaux de la pièce mâle.6. Shoe according to claim 5, characterized in that the telescopic part articulated on the bottom of the shell (31) is constituted by a male part having a long longitudinal arm (32) whose end (33) constitutes said stop and a short parallel arm (34) located on the same side as the curved part of the guide (24a), and that the other telescopic part (11, 12) is a female tubular part whose axis (18) carrying the set of pulleys fixed passes between the two longitudinal arms of the male part.
EP19880810173 1987-04-17 1988-03-18 Ski boot with an automatic closure device Withdrawn EP0287508A3 (en)

Applications Claiming Priority (2)

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US44785 1987-04-17
US07/044,785 US4735004A (en) 1987-04-17 1987-04-17 Self-closing ski boot

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EP0287508A2 true EP0287508A2 (en) 1988-10-19
EP0287508A3 EP0287508A3 (en) 1991-01-09

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IT1222288B (en) * 1988-05-20 1990-09-05 Nordica Spa IMPROVED SKISABILITY SKI BOOT
FR2632871B1 (en) * 1988-06-17 1990-11-02 Rossignol Sa SKI SHOE WITH AUTOMATIC CLOSURE
IT1235310B (en) * 1989-08-31 1992-06-26 Nordica Srl CLOSING DEVICE, PARTICULARLY FOR SKI BOOTS.
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US5791068A (en) * 1992-07-20 1998-08-11 Bernier; Rejeanne M. Self-tightening shoe
US6189913B1 (en) * 1997-12-18 2001-02-20 K-2 Corporation Step-in snowboard binding and boot therefor
US6267390B1 (en) 1999-06-15 2001-07-31 The Burton Corporation Strap for a snowboard boot, binding or interface
US6416074B1 (en) 1999-06-15 2002-07-09 The Burton Corporation Strap for a snowboard boot, binding or interface
ITTV20010152A1 (en) * 2001-11-20 2003-05-20 Benetton Spa CLAMPING DEVICE PARTICULARLY FOR SPORTS FOOTWEAR
US7669880B2 (en) * 2005-08-29 2010-03-02 The Burton Corporation Strap for snowboard boots or bindings
US7306241B2 (en) * 2005-08-29 2007-12-11 The Burton Corporation Strap for snowboard boots or bindings
US7516976B2 (en) * 2005-08-29 2009-04-14 The Burton Corporation Strap for snowboard boots or bindings
US20130237891A1 (en) * 2011-09-07 2013-09-12 Marshall Fryman Orthotic brace tightening device
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FR2540359A1 (en) * 1983-02-09 1984-08-10 Salomon & Fils F ALPINE SKI BOOT WITH AUTOMATIC CLOSURE
FR2569087A1 (en) * 1984-08-17 1986-02-21 Salomon & Fils F SKI BOOT
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FR2448872A1 (en) * 1979-02-14 1980-09-12 Trappeur Rigid ski boot fastening - has base, lever, cogged wheel and axles to tension tie wire connecting boot upper sections
FR2540359A1 (en) * 1983-02-09 1984-08-10 Salomon & Fils F ALPINE SKI BOOT WITH AUTOMATIC CLOSURE
FR2569087A1 (en) * 1984-08-17 1986-02-21 Salomon & Fils F SKI BOOT
EP0204945A1 (en) * 1985-05-06 1986-12-17 NORDICA S.p.A Ski boot

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US4735004A (en) 1988-04-05
EP0287508A3 (en) 1991-01-09

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