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EP0242549B1 - Fastening element for shoes - Google Patents

Fastening element for shoes Download PDF

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Publication number
EP0242549B1
EP0242549B1 EP87103245A EP87103245A EP0242549B1 EP 0242549 B1 EP0242549 B1 EP 0242549B1 EP 87103245 A EP87103245 A EP 87103245A EP 87103245 A EP87103245 A EP 87103245A EP 0242549 B1 EP0242549 B1 EP 0242549B1
Authority
EP
European Patent Office
Prior art keywords
buckle
ratchet
strap
pawl
groove
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
EP87103245A
Other languages
German (de)
French (fr)
Other versions
EP0242549A1 (en
Inventor
Herbert Marxer
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
Priority to AT87103245T priority Critical patent/ATE50482T1/en
Publication of EP0242549A1 publication Critical patent/EP0242549A1/en
Application granted granted Critical
Publication of EP0242549B1 publication Critical patent/EP0242549B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
    • A43C11/1406—Fastenings with toggle levers; Equipment therefor
    • A43C11/146—Fastenings with toggle levers with adjustment means provided for on the strap, e.g. ratchet strap
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
    • A43C11/1406—Fastenings with toggle levers; Equipment therefor
    • A43C11/1413—Equipment for fastening toggle lever fastenings
    • 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
    • Y10T24/2102—Cam lever and loop
    • Y10T24/2104—Step adjusted
    • Y10T24/2106—Ski boot and garment 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
    • Y10T24/2143—Strap-attached folding lever
    • Y10T24/216—Ski boot and garment 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
    • Y10T24/2183—Ski, boot, and shoe fasteners

Definitions

  • the present invention has, according to the preamble of claim 1, a device for closing two parts of a shoe comprising a toothed belt intended to be fixed to one of the parts of the shoe, hooking means mounted sliding on and around the toothed belt and provided with a locking device on the toothed belt in a chosen position, and a rectangular loop secured to a tensioning lever, intended to be fixed to the other part of the shoe and coming from 'hang on said hooking means.
  • Such a device is known (CH-A-638 085) comprising a toothed belt on its lower face and on which the attachment means, comprising a stirrup provided with two lugs and a latching part articulated on this stirrup, are fixed by pinching and engaging two lugs of the caliper in the teeth of the belt.
  • the buckle is of the conventional type articulated on a tensioning lever itself articulated on a stirrup fixed on the other part of the shoe. To significantly modify the tension setting of this closing device, it is necessary to raise the latching member to separate it from the belt. Such an operation requires a certain force and cannot be carried out very quickly.
  • the object of the present invention is to provide a toothed belt closing device of the quick-setting type, with a ratchet and of compact shape, in which the axis of the pawl is not very stressed.
  • a toothed belt closing device of the quick-setting type with a ratchet and of compact shape, in which the axis of the pawl is not very stressed.
  • the axis of the pawl does not have to support the strong traction of the closing device, but only a force approximately perpendicular to the pawl resulting from the torque generated by the tensile force relative to the spout of the pawl, this force acting on the axis of the pawl being relatively very low.
  • a ratchet axis of small diameter one does not have to fear breakage of this axis.
  • the part of the device secured to the other part of the shoe is particularly simple, since it consists of a single piece simultaneously forming a loop and tensioner.
  • the device also has the advantage that the part of the shoe carrying the buckle covers and hides the part of the toothed belt comprised between the hooking means and its free end, thus preventing this end of the toothed belt from s' move away from the shoe and accidentally catch on a foreign object.
  • the support of the pawl has two cutouts in the extension of the groove of the pawl and two notches in which is housed and positioned the axis of the articulation of the loop.
  • the profile of the cutouts is such that when the loop is closed, that is to say folded over the hooking means, the loop is locked, that is to say that it cannot escape from the pawl by pivoting about its median axis, in the notches of the support.
  • These notches also ensure alignment of the loop relative to the toothed belt and the pawl, thus avoiding torsional forces and poor distribution of the pressure of the pawl spout on the tooth, respectively the teeth of the toothed belt.
  • FIG. 1 The sectional view shown in Figure 1 is a horizontal section through the upper of a ski boot showing approximately the left half of the left boot, the front of the boot being located on the right in the drawing.
  • This rod 1 is in one piece open at the front and having two flaps 2 and 3 overlapping at the front.
  • On the side and behind the rod 1 is fixed a toothed belt 4 by means of a rivet 5.
  • This belt 4 is made of relatively hard synthetic material. It has a wolf teeth toothing 6, that is to say teeth having an oblique flank and a flank perpendicular to the belt.
  • a metal stirrup 7 On and around the toothed belt 6 is mounted a metal stirrup 7 between the wings of which is mounted a pawl 8 by means of a pin 9.
  • This pawl 8 has a double spout 10 kept engaged in the teeth 6 of the toothed belt at by means of a torsion spring mounted around the axis 9. Above its double spout 10, the pawl has a transverse groove 11 having a hook-shaped profile and constituting precisely the hooking member.
  • the toothed belt 4 passes naturally between the bottom of the stirrup and the pawl 8 and it is pinched between these two parts.
  • the wings of this stirrup er have two cutouts 12 of identical profile to the profile of the groove 11 and located in the extension of this groove.
  • the stirrup 7 also has, at the other end, two rounded and aligned notches 13.
  • a rectangular loop 14 At the end of the flap 3 of the rod is articulated a rectangular loop 14 around a transverse axis 15 passing approximately through the middle of the loop and held in a metal reinforcement piece 16 in the shape of a U, fixed by rivets to the flap 3 of the rod and surrounding a rectangular cutout 17 in which the loop 14 can pivot.
  • the loop 14 has two parallel arms 18 and 19 between which is fixed a bar 20.
  • the reverse of the loop has a U-shaped profile 21 which releases the articulation axis 15 in the central part of the loop, so that this axis can be received in the notches 13 of the stirrup 7.
  • the loop 14 being articulated at an intermediate point, it simultaneously constitutes a tensioning lever.
  • the toothed belt 4 has at its free end an enlargement 22 forming a stop for the stirrup 7.
  • the flap 3 of the rod also has a clearance 23 on its inner face for the passage of the toothed belt 4.
  • the closing device shown is used in the following manner: the loop 14 is placed in the position shown in FIG. 5, that is to say its bar 20 forward relative to the flap 3 of the rod.
  • the loop 14 is then hooked to the pawl 8 by engaging its bar 20 in the groove 11 of the pawl 8, that is to say also in the two cutouts 12 of the stirrup 7.
  • the user can carry out a pre-adjustment of the tightening tension, pre-adjustment going in the direction of a greater tension, by pushing the stirrup 7 in the direction of the arrow F1 with the loop 14. In this direction, the pawl 8 jumps on the teeth of the belt 4.
  • the invention is of course susceptible of numerous variants.
  • the notches 13 could be removed and the axis 15 could simply come beyond the stirrup 7.
  • the cutouts 12 of the stirrup 7 could also be removed, the attachment having to be done above all on the ratchet 8.
  • This ratchet could have a different shape, as could the buckle 14.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Buckles (AREA)

Abstract

The device comprises a toothed strap with saw teeth (4), which is fixed, at one of its ends, to the boot (1) and carries a sliding U-piece (7) on which a ratchet (8) cooperating with the toothed strap is pivotably mounted. Above these teeth (10), the ratchet has a groove (11) inside which the bar (11) of a buckle (14) integral with another part of the boot is engaged. The U-piece is provided with two hook-shaped recesses located opposite the groove (11). The hinging pin (15) of the buckle, which at the same time acts as a tensioning lever, engages inside a groove (13). The ratchet pin is subject to a small degree of strain and accidental opening of the buckle due to pressure on the end of the latter is prevented.

Description

La présente invention a selon le préambule de la revendication 1 pour objet un dispositif de fermeture de deux parties d'une chaussure comprenant une courroie dentée destinée à être fixée à l'une des parties de la chaussure, des moyens d'accrochage montés coulissant sur et autour de la courroie dentée et munis d'un dispositif de blocage sur la courroie dentée dans une position choisie, et une boucle rectangulaire solidaire d'un levier-tendeur, destinée à être fixée à l'autre partie de la chaussure et venant s'accrocher sur lesdits moyens d'accrochage.The present invention has, according to the preamble of claim 1, a device for closing two parts of a shoe comprising a toothed belt intended to be fixed to one of the parts of the shoe, hooking means mounted sliding on and around the toothed belt and provided with a locking device on the toothed belt in a chosen position, and a rectangular loop secured to a tensioning lever, intended to be fixed to the other part of the shoe and coming from 'hang on said hooking means.

On connaît un tel dispositif (CH-A-638 085) comprenant une courroie dentée sur sa face inférieure et sur laquelle les moyens d'accrochage, comprenant un étrier muni de deux ergots et d'une pièce d'accrochage articulée sur cet étrier, viennent se fixer par pincement et engagement de deux ergots de l'étrier dans les dents de la courroie. La boucle est de type conventionnel articulée sur un levier-tendeur lui-même articulé sur un étrier fixé sur l'autre partie de la chaussure. Pour modifier de façon conséquente le réglage de la tension de ce dispositif de fermeture, il est nécessaire de relever l'organe d'accrochage pour le désolidariser de la courroie. Une telle manoeuvre demande une certaine force et ne peut être exécutée très rapidement.Such a device is known (CH-A-638 085) comprising a toothed belt on its lower face and on which the attachment means, comprising a stirrup provided with two lugs and a latching part articulated on this stirrup, are fixed by pinching and engaging two lugs of the caliper in the teeth of the belt. The buckle is of the conventional type articulated on a tensioning lever itself articulated on a stirrup fixed on the other part of the shoe. To significantly modify the tension setting of this closing device, it is necessary to raise the latching member to separate it from the belt. Such an operation requires a certain force and cannot be carried out very quickly.

Il est d'autre part bien connu d'utiliser comme organe de liaison, en lieu et place d'une boucle, une courroie dentée à dents de loup que l'on enfile sous un cliquet solidaire de l'autre partie de la chaussure, la tension de la courroie dentée étant assurée de manière conventionnelle au moyen d'un levier-tendeur. Dans un tel dispositif, tout l'effort de traction sur la courroie dentée est supporté par l'axe du cliquet qui doit donc être dimensionné en conséquence.It is also well known to use as a connecting member, instead of a loop, a toothed belt with wolf teeth which is put under a pawl secured to the other part of the shoe, the tension of the toothed belt being ensured in a conventional manner by means of a tensioning lever. In such a device, all the tensile force on the toothed belt is supported by the axis of the pawl which must therefore be dimensioned accordingly.

On a également proposé (CH-A 406 901) de tendre un câble au moyen d'un levier-tendeur monté sur un curseur susceptible d'être immobilisé sur une crémaillère au moyen d'un cliquet. Dans ce dispositif l'effort de tension est également entièrement supporté par l'axe du cliquet.It has also been proposed (CH-A 406 901) to tension a cable by means of a tensioning lever mounted on a slider capable of being immobilized on a rack by means of a ratchet. In this device the tension force is also entirely supported by the axis of the pawl.

La présente invention a pour but de réaliser un dispositif de fermeture à courroie dentée du type à réglage rapide, à cliquet et de forme compacte, dans lequel l'axe du cliquet est peu sollicité. Un tel dispositif est défini à la partie caractérisante de la revendication 1.The object of the present invention is to provide a toothed belt closing device of the quick-setting type, with a ratchet and of compact shape, in which the axis of the pawl is not very stressed. Such a device is defined in the characterizing part of claim 1.

La boucle venant s'accrocher sur le cliquet lui-même, juste au-dessus de son bec, l'axe du cliquet n'a pas à supporter la forte traction du dispositif de fermeture, mais seulement une force approximativement perpendiculaire au cliquet résultant du couple engendré par la force de traction relativement au bec du cliquet, cette force agissant sur l'axe du cliquet étant relativement très faible. Ainsi, même en utilisant un axe de cliquet de faible diamètre, on n'a pas à craindre de cassure de cet axe.The loop coming to hang on the pawl itself, just above its beak, the axis of the pawl does not have to support the strong traction of the closing device, but only a force approximately perpendicular to the pawl resulting from the torque generated by the tensile force relative to the spout of the pawl, this force acting on the axis of the pawl being relatively very low. Thus, even using a ratchet axis of small diameter, one does not have to fear breakage of this axis.

La partie du dispositif solidaire de l'autre partie de la chaussure est particulièrement simple, puisqu'elle est constituée d'une seule pièce formant simultanément boucle et tendeur.The part of the device secured to the other part of the shoe is particularly simple, since it consists of a single piece simultaneously forming a loop and tensioner.

Le dispositif présente en outre l'avantage que la partie de la chaussure portant la boucle vient recouvrir et cacher la partie de la courroie dentée comprise entre les moyens d'accrochage et son extrémité libre, empêchant ainsi cette extrémité de la courroie dentée de s'écarter de la chaussure et de s'accrocher accidentellement à un objet étranger.The device also has the advantage that the part of the shoe carrying the buckle covers and hides the part of the toothed belt comprised between the hooking means and its free end, thus preventing this end of the toothed belt from s' move away from the shoe and accidentally catch on a foreign object.

Selon une forme d'exécution préférée de l'invention, le support du cliquet présente deux découpes dans le prolongement de la gorge du cliquet et deux encoches dans lesquelles vient se loger et se positionner l'axe de l'articulation de la boucle. Le profil des découpes est tel que lorsque la boucle est fermée, c'est-à-dire rabattue sur les moyens d'accrochage, la boucle est verrouillée, c'est-à-dire qu'elle ne peut pas s'échapper du cliquet par pivotement autour de son axe médian, dans les encoches du support. Ces encoches assurent en outre un alignement de la boucle relativement à la courroie dentée et au cliquet, en évitant ainsi des efforts de torsion et une mauvaise répartition de la pression du bec de cliquet sur la dent, respectivement les dents de la courroie dentée.According to a preferred embodiment of the invention, the support of the pawl has two cutouts in the extension of the groove of the pawl and two notches in which is housed and positioned the axis of the articulation of the loop. The profile of the cutouts is such that when the loop is closed, that is to say folded over the hooking means, the loop is locked, that is to say that it cannot escape from the pawl by pivoting about its median axis, in the notches of the support. These notches also ensure alignment of the loop relative to the toothed belt and the pawl, thus avoiding torsional forces and poor distribution of the pressure of the pawl spout on the tooth, respectively the teeth of the toothed belt.

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

  • La figure 1 est une vue en coupe axiale selon 1-1 de la figure 2, du dispositif de fermeture en position fermée.
  • La figure 2 est une vue en plan, de dessus, de ce dispositif.
  • La figure 3 est une vue en coupe selon III-III de la figure 1.
  • La figure 4 est une vue en coupe selon IV-IV de la figure 1.
  • La figure 5 représente le dispositif de fermeture à l'instant précédent l'accrochage de la boucle à l'organe d'accrochage.
The accompanying drawing shows, by way of example, an embodiment of the invention.
  • Figure 1 is an axial sectional view along 1-1 of Figure 2, the closure device in the closed position.
  • Figure 2 is a top plan view of this device.
  • Figure 3 is a sectional view along III-III of Figure 1.
  • Figure 4 is a sectional view along IV-IV of Figure 1.
  • FIG. 5 represents the closing device at the instant preceding the attachment of the loop to the attachment member.

La vue en coupe représentée à la figure 1 est une coupe horizontale à travers la tige d'une chaussure de ski montrant approximativement la moitié gauche de la chaussure gauche, l'avant de la chaussure étant situé à droite sur le dessin. Cette tige 1 est en une pièce ouverte à l'avant et présentant deux volets 2 et 3 se recouvrant à l'avant. Sur le côté et en arrière de la tige 1 est fixée une courrroie dentée 4 au moyen d'un rivet 5. Cette courroie 4 est en matière synthétique relativement dure. Elle présente une denture en dents de loup 6, c'est-à-dire des dents présentant un flanc oblique et un flanc perpendiculaire à la courroie. Sur et autour de la courroie dentée 6 est monté un étrier métallique 7 entre les ailes duquel est monté un cliquet 8 au moyen d'un axe 9. Ce cliquet 8 présente un double bec 10 maintenu engagé dans la denture 6 de la courroie dentée au moyen d'un ressort de torsion monté autour de l'axe 9. Au dessus de son double bec 10, le cliquet présente une gorge transversale 11 présentant un profil en forme de crochet et constituant précisément l'organe d'accrochage. La courroie dentée 4 passe naturellement entre le fond de l'étrier et le cliquet 8 et elle est pincée entre ces deux pièces.The sectional view shown in Figure 1 is a horizontal section through the upper of a ski boot showing approximately the left half of the left boot, the front of the boot being located on the right in the drawing. This rod 1 is in one piece open at the front and having two flaps 2 and 3 overlapping at the front. On the side and behind the rod 1 is fixed a toothed belt 4 by means of a rivet 5. This belt 4 is made of relatively hard synthetic material. It has a wolf teeth toothing 6, that is to say teeth having an oblique flank and a flank perpendicular to the belt. On and around the toothed belt 6 is mounted a metal stirrup 7 between the wings of which is mounted a pawl 8 by means of a pin 9. This pawl 8 has a double spout 10 kept engaged in the teeth 6 of the toothed belt at by means of a torsion spring mounted around the axis 9. Above its double spout 10, the pawl has a transverse groove 11 having a hook-shaped profile and constituting precisely the hooking member. The toothed belt 4 passes naturally between the bottom of the stirrup and the pawl 8 and it is pinched between these two parts.

Comme ceci ressort mieux de la figure 5, dans laquelle l'étrier n'est pas coupé, les ailes de cet étrier présentent deux découpes 12 de profil identique au profil de la gorge 11 et situées dans le prolongement de cette gorge. L'étrier 7 présente en outre, à l'autre extrémité, deux encoches arrondies et alignées 13.As this is better illustrated in FIG. 5, in which the stirrup is not cut, the wings of this stirrup er have two cutouts 12 of identical profile to the profile of the groove 11 and located in the extension of this groove. The stirrup 7 also has, at the other end, two rounded and aligned notches 13.

A l'extrémité du volet 3 de la tige est articulée une boucle rectangulaire 14 autour d'un axe transversal 15 passant approximativement par le milieu de la boucle et maintenue dans une pièce métallique de renforcement 16 en forme de U, fixée par des rivets au volet 3 de la tige et entourant une découpe rectangulaire 17 dans laquelle la boucle 14 peut pivoter. La boucle 14 présente deux bras parallèles 18 et 19 entre lesquels est fixée une barrette 20.At the end of the flap 3 of the rod is articulated a rectangular loop 14 around a transverse axis 15 passing approximately through the middle of the loop and held in a metal reinforcement piece 16 in the shape of a U, fixed by rivets to the flap 3 of the rod and surrounding a rectangular cutout 17 in which the loop 14 can pivot. The loop 14 has two parallel arms 18 and 19 between which is fixed a bar 20.

Le revers de la boucle présente un profil en U 21 dégageant l'axe d'articulation 15 dans la partie centrale de la boucle, de telle sorte que cet axe peut venir se loger dans les encoches 13 de l'étrier 7. La boucle 14 étant articulée en un point intermédiaire, elle constitue simultanément un levier-tendeur. La courroie dentée 4 présente à son extrémité libre un élargissement 22 formant butée pour l'étrier 7. Le volet 3 de la tige présente en outre un dégagement 23 sur sa face intérieure pour le passage de la courroie dentée 4.The reverse of the loop has a U-shaped profile 21 which releases the articulation axis 15 in the central part of the loop, so that this axis can be received in the notches 13 of the stirrup 7. The loop 14 being articulated at an intermediate point, it simultaneously constitutes a tensioning lever. The toothed belt 4 has at its free end an enlargement 22 forming a stop for the stirrup 7. The flap 3 of the rod also has a clearance 23 on its inner face for the passage of the toothed belt 4.

Le dispositif de fermeture représenté s'utilise de la manière suivante : la boucle 14 est placée dans la position représentée à la figure 5, c'est-à-dire sa barrette 20 en avant relativement au volet 3 de la tige. On accroche alors la boucle 14 au cliquet 8 en engageant sa barrette 20 dans la gorge 11 du cliquet 8, c'est-à-dire également dans les deux découpes 12 de l'étrier 7. Dans cette position engagée, l'utilisateur peut effectuer un préajustement de la tension de serrage, préajustement allant dans le sens d'une plus grande tension, en poussant l'étrier 7 dans le sens de la flèche F1 avec la boucle 14. Dans ce sens, le cliquet 8 saute sur les dents de la courroie 4. Pour fermer et tendre le dispositif de fermeture, il suffit ensuite de tirer ou de pousser le levier de la boucle 14 dans le sens de la flèche F2. La boucle 14 vient alors se rabattre sur la courroie dentée 4, son axe d'articulation 15 venant s'engager dans les encoches 13 de l'étrier 7, encoche dont la forme arrondie et le rayon correspondent à ceux de l'axe 15. La boucle 14 est ainsi parfaitement maintenue en position alignée avec l'étrier 7, de telle sorte que sa barrette 20 s'appuie de façon régulière dans la gorge 11 du cliquet 8. La traction exercée par cette barrette 20 sur le cliquet 8 agit directement sur le double bec de cliquet 10 et non par l'intermédiaire de l'axe 9 du cliquet, de telle sorte que cet axe n'est sollicité que par le couple de basculement du cliquet autour de son double bec 10. Or cette force est relativement faible. Cette force pourrait être encore réduite en inclinant légèrement vers l'arrière, c'est-à-dire vers la gauche dans le dessin, les flancs perpendiculaires des dents-de-loup. La boucle 14 est en outre verrouillée contre une ouverture accidentelle due à un choc ou une pression sur le bras de levier de la boucle comme ceci peut se produire pour certaines boucles antérieures. En effet une pression sur le bras de levier de la boucle 14 a tendance à faire pivoter la boucle autour de son axe 15 dans les encoches 13 de l'étrier. La barrette 20 de la boucle est toutefois retenue par le bord des découpes 12 en forme de crochet de sorte que la boucle 14 est en quelque sorte verrouillée dans cette direction.The closing device shown is used in the following manner: the loop 14 is placed in the position shown in FIG. 5, that is to say its bar 20 forward relative to the flap 3 of the rod. The loop 14 is then hooked to the pawl 8 by engaging its bar 20 in the groove 11 of the pawl 8, that is to say also in the two cutouts 12 of the stirrup 7. In this engaged position, the user can carry out a pre-adjustment of the tightening tension, pre-adjustment going in the direction of a greater tension, by pushing the stirrup 7 in the direction of the arrow F1 with the loop 14. In this direction, the pawl 8 jumps on the teeth of the belt 4. To close and tighten the closing device, it is then sufficient to pull or push the lever of the loop 14 in the direction of the arrow F2. The loop 14 is then folded back on the toothed belt 4, its articulation axis 15 coming to engage in the notches 13 of the stirrup 7, notch whose rounded shape and radius correspond to those of the axis 15. The loop 14 is thus perfectly maintained in position aligned with the stirrup 7, so that its bar 20 is pressed regularly in the groove 11 of the pawl 8. The traction exerted by this bar 20 on the pawl 8 acts directly on the double pawl spout 10 and not via the axis 9 of the pawl, so that this axis is only stressed by the tilting torque of the pawl around its double spout 10. However, this force is relatively small. This force could be further reduced by tilting slightly backwards, that is to say to the left in the drawing, the perpendicular flanks of the wolf teeth. The loop 14 is also locked against an accidental opening due to an impact or a pressure on the lever arm of the loop as this can occur for certain previous loops. Indeed, pressure on the lever arm of the loop 14 tends to rotate the loop around its axis 15 in the notches 13 of the stirrup. The bar 20 of the loop is however retained by the edge of the cutouts 12 in the form of a hook so that the loop 14 is somehow locked in this direction.

Pour déplacer l'étrier 7 vers la droite, il suffit de dégager le cliquet 8 de la denture 6 de la courroie en pressant sur la partie du cliquet située à gauche de son axe d'articulation.To move the stirrup 7 to the right, it suffices to disengage the pawl 8 from the toothing 6 of the belt by pressing on the part of the pawl located to the left of its axis of articulation.

En considérant la figure 1 on constate que la courroie dentée 4 passe automatiquement sous le volet 3 de la chaussure et qu'elle est par conséquent cachée et protégée. En outre, les moyens d'accrochage sont situés en grande partie dans l'épaisseur du volet 3, ce qui réduit considérablement l'encombrement du dispositif de fermeture.Considering Figure 1 we see that the toothed belt 4 automatically passes under the flap 3 of the shoe and that it is therefore hidden and protected. In addition, the attachment means are located largely in the thickness of the flap 3, which considerably reduces the size of the closure device.

L'invention est bien entendu susceptible de nombreuses variantes d'exécution. En particulier, les encoches 13 pourraient être supprimées et l'axe 15 pourrait simplement venir au-delà de l'étrier 7. Les découpes 12 de l'étrier 7 pourraient également être supprimées, l'accrochage devant se faire avant tout sur le cliquet 8. Ce cliquet pourrait avoir une forme différente, de même que la boucle 14.The invention is of course susceptible of numerous variants. In particular, the notches 13 could be removed and the axis 15 could simply come beyond the stirrup 7. The cutouts 12 of the stirrup 7 could also be removed, the attachment having to be done above all on the ratchet 8. This ratchet could have a different shape, as could the buckle 14.

Claims (2)

1. Device for closing two parts of a boot, comprising a toothed strap (4) intended to be fixed to one of the parts (2) of the boot, fastening means (7) which are mounted so as to slide on and around the toothed strap and are provided with a locking device (8) cooperating with the toothed strap in a selected position, and a rectangular buckle (14) which is connected with a tensioning lever and is intended to be fixed to the other part (3) of the boot and which engages onto the said fastening means, characterized by the fact that the toothed strap (4) has teeth (6) having an oblique flank and a flank perpendicular to the strap, that the device for locking the fastening means consists of a spring-loaded pawl (8) provided with a tip (10) and cooperating with the teeth of the strap and at the same time acting as the fastening means and having, for this purpose, a transverse groove (11) with a hook-shaped profile located above the tip (10) of the pawl and intended to receive the rectangular buckle (14), and that said buckle (14) and its tensioning lever form a single piece intended to be hinged with the end of the other part (3), in its middle area, by a transverse pin (15), and being pressed down against the strap after being hooked onto the ratchet and tensioned.
2. Closing device as claimed in claim 1, characterized by the fact that the ratchet (8) is hinged between the flanges of a U-piece (7) having, on the one hand, recesses (12) possessing a profile identical to the profile of the groove (11) in the ratchet and forming an extension of this groove and, on the other hand, two coaxial notches located at the opposite end to the tip of the ratchet and intended to receive the pin (15) of the buckle when the latter is in the pressed down position, the profile of the said recesses (12) being such that the buckle cannot escape from the said recesses by pivoting about its pin (15) inside the said notches.
EP87103245A 1986-04-25 1987-03-06 Fastening element for shoes Expired - Lifetime EP0242549B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87103245T ATE50482T1 (en) 1986-04-25 1987-03-06 CLOSURE DEVICE FOR SHOES.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1703/86 1986-04-25
CH1703/86A CH668168A5 (en) 1986-04-25 1986-04-25 DEVICE FOR CLOSING A SHOE.

Publications (2)

Publication Number Publication Date
EP0242549A1 EP0242549A1 (en) 1987-10-28
EP0242549B1 true EP0242549B1 (en) 1990-02-28

Family

ID=4216628

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87103245A Expired - Lifetime EP0242549B1 (en) 1986-04-25 1987-03-06 Fastening element for shoes

Country Status (7)

Country Link
US (1) US4796337A (en)
EP (1) EP0242549B1 (en)
JP (1) JPS62258603A (en)
AT (1) ATE50482T1 (en)
CA (1) CA1278423C (en)
CH (1) CH668168A5 (en)
DE (1) DE3761739D1 (en)

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US6347436B1 (en) * 1997-11-14 2002-02-19 Vans, Inc. Dual-action buckle
US6009638A (en) * 1998-01-06 2000-01-04 The Burton Corporation Mounting for a snowboard boot strap
US6250651B1 (en) 1998-12-04 2001-06-26 The Burton Corporation Adjustable strap
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Also Published As

Publication number Publication date
ATE50482T1 (en) 1990-03-15
JPS62258603A (en) 1987-11-11
CH668168A5 (en) 1988-12-15
US4796337A (en) 1989-01-10
CA1278423C (en) 1991-01-02
EP0242549A1 (en) 1987-10-28
DE3761739D1 (en) 1990-04-05

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