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EP0161025B1 - Ski boot - Google Patents

Ski boot Download PDF

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Publication number
EP0161025B1
EP0161025B1 EP85200624A EP85200624A EP0161025B1 EP 0161025 B1 EP0161025 B1 EP 0161025B1 EP 85200624 A EP85200624 A EP 85200624A EP 85200624 A EP85200624 A EP 85200624A EP 0161025 B1 EP0161025 B1 EP 0161025B1
Authority
EP
European Patent Office
Prior art keywords
worm
screw
boot
strap
lever
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
Application number
EP85200624A
Other languages
German (de)
French (fr)
Other versions
EP0161025A1 (en
Inventor
Simon Arieh
Guy Courvoisier
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 AT85200624T priority Critical patent/ATE29200T1/en
Publication of EP0161025A1 publication Critical patent/EP0161025A1/en
Application granted granted Critical
Publication of EP0161025B1 publication Critical patent/EP0161025B1/en
Expired 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
    • A43C11/148—Fastenings with toggle levers with adjustment means provided for on the strap, e.g. ratchet strap characterised by special protection means to prevent damage or accidental loosening of the fastening means
    • 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
    • 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.
    • Y10T24/14—Bale and package ties, hose clamps
    • Y10T24/1412—Bale and package ties, hose clamps with tighteners
    • Y10T24/1427—Worm and tooth
    • 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
    • Y10T24/2183—Ski, boot, and shoe fasteners

Definitions

  • the object of the present invention is a ski boot comprising at least two parts whose edges overlap to surround the foot or the ankle and at least one closure and tensioning device for connecting these two parts, this device comprising a toothed belt secured of one of said parts of the shoe and cooperating with fastening and tensioning means integral with this same part or with the other part of the shoe.
  • a device of this type is known from patent FR-A-2,180,250.
  • the belt is notched and cooperates on the one hand with a tensioning device constituted by a unidirectional drive device working back and forth and on the other hand with a retaining pawl, the whole working, in the same way way that a jack.
  • the tensioning and hooking means are therefore completely separate and work independently of one another.
  • This device is relatively complicated and bulky and is not always easy to use. Indeed, to release the belt it is necessary to release the retaining pawl, which can require considerable force when the belt is tight.
  • the modification of the tension can only be done on the basis of one tooth at a time and these teeth must have a certain minimum dimension to guarantee good retention.
  • the tension lever has a low multiplication, so that it becomes hard from a certain tension.
  • the present invention aims to achieve a device of the type defined above, but simpler, less bulky and requiring only minimal force for its actuation.
  • the ski boot according to the invention is characterized in that the toothed belt has a helical toothing and that the hooking and tensioning means consist of a worm screw extending in the direction of the belt and provided with a manual actuation means, and by guide means holding the toothed belt in engagement with the worm, an articulation being further provided to allow the toothed belt to be moved away from the worm or vice versa,
  • the tensioning and hooking means are constituted by the same element, the worm.
  • This device is particularly space-saving, because the screw and its rod extend parallel to the surface of the shoe and the worm itself can be embedded in the thickness of the shoe.
  • the belt guide means can be raised so as to allow rapid introduction of the belt between the worm and the raised guide means, these guide means then being folded down and fixed by an ad hoc means, so as to keep the toothing of the belt engaged in the worm.
  • the worm is mounted in a lifting support on which is further mounted an oscillating lever provided with a pawl cooperating directly with a toothing formed on the worm.
  • the shoe shown in Figure 1 includes a c1> that 1 secured to the sole and intended to surround the foot, the heel and the lower front part of the ankle and a rod consisting of a front part 2 in the form of a gutter open to the rear, fixed in a known manner to the shell 1 at the height of the maléolles at two opposite points, such as point 3, around which the part 2 can oscillate slightly.
  • the rod further comprises a rear part 4, also in the form of a gutter, articulated around the points of articulation of the front part 2, this part 4 coming to fit in part 2 to surround the ankle and being foldable towards the rear to allow the introduction of the foot into the shoe.
  • These elements are made of conventional synthetic material.
  • connection and tensioning device 5 is shown in detail in FIG. 2. It comprises a belt 8 secured to the front part 2 of the rod, for example in the same material as this rod, attached to it or coming in one piece with it, and coming to surround part 4.
  • One of the faces of this belt 6 has a corresponding helical toothing 7 and cooperating with the toothing of an endless screw 8 housed in a cutout in part 2 of the rod and secured to an axis 9 housed in an extra thickness 2a of part 2 of the rod.
  • the outer end of the axis 9 carries a cylindrical head 10 of diameter greater than the diameter of the axis 9 and coming to bear against a flat surface 11 of the extra thickness 2a.
  • the head 10 ends in a fork to receive the end of a crank 12 articulated on the fork by means of an axis 13.
  • the crank 12 has a notch 14 coming to be fixed with a notch behind a projection 15 of the part 2 of the shoe in the rest position.
  • the device further comprises a guide piece 16 in the form of an elongated rectangular cover having a U-shaped profile, for example of stamped metal, the wings 17 and 18 of which are articulated in the extra thickness 2a by means of an axis 19 near the inner end of the axis 9.
  • a clamp 20 in the form of a fork with two teeth, each of the teeth of which has a rounded notch 21 on the inside which is applied on the periphery of the cylindrical head 10 when the cover 16 is folded against the shoe, as shown in the drawing, to retain this cover 16 in the folded position.
  • the cover 16 of the shoe is first moved aside, which allows the toothing 7 of the belt to disengage from the screw 8, thus allowing an almost instantaneous opening of the shoe.
  • the belt 6 is inserted as far as possible between the raised cover 16 and the screw 8, then the cover 16 is folded down.
  • the belt is then engaged with the screw 8.
  • the crank 12 is then released from its notch 15 and the screw is actuated until the desired tightening has been reached, then the crank 12 is folded again against the shoe.
  • crank 12 In place of the crank 12 it is possible to use a knob or a knurled chicken fixed at the end of the axis 9. Such an actuation allows a continuous adjustment of the tension.
  • the worm 22 is pivoted in a support 23 hinged about an axis 24 on a boss 25 of the part 2 of the shoe.
  • the worm 22 is more precisely mounted in a slot 26 of the support 23.
  • This support 23 is held in the folded position on the shoe by a notch 27 which snaps onto a spout 28 formed on the part 2 of the shoe.
  • the end 29 of the support 23 is shaped to allow the lever to be grasped to raise it, respectively to fold it down and snap it into place.
  • the toothed belt 30 is guided by a passage 31 formed in part 2 of the shoe under the spout 28 and extending, in the form of a groove, under the lever 23, so that the worm 22 meshes with the toothing 32 of the belt in the folded position, through a cutout 46 in part 2 of the shoe.
  • a lever 33 On the support 23, in the niche 26 of this, is further articulated, on the axis of the worm 22, a lever 33 provided with a pawl 34 constituted by a leaf spring, one of which ends is embedded in the lever 33 and one of its faces is supported on a bearing 35 of the lever 33 (Fig. 7), the other side being free.
  • the pawl 34 cooperates with ratchet teeth 36 cut directly on the worm 22.
  • the closing device is used as follows: the support 23 being preferably raised, the belt 30 is introduced as far as possible through the passage 31, then the support 23 is folded down. It is then sufficient to actuate the lever 33 according to a back-and-forth movement to drive the worm in a unidirectional manner in the direction of arrow F1. Once the desired tension has been obtained, the lever 33 is folded back into the position shown in FIGS. 5 and 7. To open the boot, it suffices to raise the support 23, which has the effect of releasing the belt 30.
  • This device allows a practically continuous adjustment of the tension. It is particularly compact and easy to operate.
  • the end of the strap is also hidden under part 2 of the shoe.
  • FIG. 8 Such an alternative embodiment is shown in Figure 8 in a section corresponding to that of Figure 7.
  • the parts not shown are the same as those shown in Figures 5 and 7, the identical parts being further designated by the same references .
  • the lever 33 and the endless screw 22, modified in their shape, have been designated by the references 33 'and 22' respectively.
  • the worm 22 ' is provided with rounded notches 37 distributed around its periphery.
  • the pawl 39 is provided with a rounded head 42 engaging between two stops 43 and 44 of the lever 33 '.
  • On the head 42 rests the end of a leaf spring 45 embedded in the lever 33 'and extending in the direction of the axis 38, midway between the stops 43 and 44.
  • This spring 45 maintains the pawl-rocker 39 in one or the other of two stable positions, one of these stable positions being represented in FIG. 8. In this position one of the spouts of the pawl, in this case the spout 40 , is pressed against the worm 22 'and the spring 45 is slightly bent.
  • the stop 44 abuts against the head 42 and the pawl 39 then being locked on the lever 33', it drives the worm in the direction F3 by its beak 40.
  • the reverse movement occurs, that is to say that the head 42 again passes to the left of the spring 45.
  • the stop 43 which comes to meet the head 42 and drive the worm in the other direction F5.
  • the lever 33 ′ is stopped turning in the direction F4 as soon as a certain resistance is encountered and it returns in the direction F2, the screw is again driven in the same direction F3.
  • the invention is not limited to a shoe fitted with the rear, described by way of example, but extends to any type of shoe, the closure and tensioning device with worm screw being able to replace in particular any type of known loops.

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

Abstract

The ski boot is closed by a device acting both as a closing and a tightening device. This device comprises a worm-screw mounted in one of the two portions of the boot and cooperating with a cogged strap rigid with the other portion, the cogged strap being kept in meshing engagement with the worm-screw by guide means adapted to be moved away from the strap for releasing same or quickly bringing a selected portion of the strap in front of the worm-screw.

Description

La présénte invéntion a pour objét une chaussure de ski comprenant au moins deux parties dont les bords se recouvrent pour entourer le pied ou la cheville et au moins un dispositif de fermeture et de tension pour relier ces deux parties, ce dispositif comprenant une courroie dentée solidaire de l'une desdites parties de la chaussure et coopérant avec des moyens d'accrochage et de tension solidaires de cette même partié ou de l'autre partie de la chaussure.The object of the present invention is a ski boot comprising at least two parts whose edges overlap to surround the foot or the ankle and at least one closure and tensioning device for connecting these two parts, this device comprising a toothed belt secured of one of said parts of the shoe and cooperating with fastening and tensioning means integral with this same part or with the other part of the shoe.

Un dispositif de ce type est connu du brevet FR-A-2.180.250. Dans ce dispositif antérieur la courroie est crantée et coopère d'une part avec un dispositif de tension constitué par un dispositif d'entraînement unidirectionnel travaillant en va et vient et d'autre part avec un cliquet de reténue, le tout fonctionnant, de la même manière qu'un cric. Les moyens de tension et d'accrochage sont donc tout-à-fait distincts et travaillent indépendamment l'un de l'autre. Ce dispositif est relativement compliqué et encombrant et n'est pas toujours d'un emploi aisé. En effet, pour libérer la courroie il est nécessairé de dégager le cliquet de retenue, ce qui peut exiger une force considérable lorsque la courroie est fortement tendue. En outre, la modification de la tension ne peut se faire qu'à raison d'uné dent à la fois et ces dents doivent avoir une certaine dimension minimale pour garantir une bonne retenue. De plus, de levier de tension présente une faible multiplication, de sorte qu'il devient dur à partir d'une certaine tension.A device of this type is known from patent FR-A-2,180,250. In this prior device, the belt is notched and cooperates on the one hand with a tensioning device constituted by a unidirectional drive device working back and forth and on the other hand with a retaining pawl, the whole working, in the same way way that a jack. The tensioning and hooking means are therefore completely separate and work independently of one another. This device is relatively complicated and bulky and is not always easy to use. Indeed, to release the belt it is necessary to release the retaining pawl, which can require considerable force when the belt is tight. In addition, the modification of the tension can only be done on the basis of one tooth at a time and these teeth must have a certain minimum dimension to guarantee good retention. In addition, the tension lever has a low multiplication, so that it becomes hard from a certain tension.

La présente invention a pour but de réaliser un dispositif du type défini plus haut, mais plus simple, moins encombrant et n'exigeant qu'une force minime pour son actionnement.The present invention aims to achieve a device of the type defined above, but simpler, less bulky and requiring only minimal force for its actuation.

La chaussure de ski selon l'invention est caractérisée par le fait que la courroie dentée présente une denture hélicoïdale et que les moyens d'accrochage et de tension sont constitués par une vis sans fin s'étendant dans le sens de la courroie et munie d'un moyen d'actionnement manuel, et par des moyens de guidage maintenant la courroie dentée en prise avec la vis sans fin, une articulation étant en outre prévue pour permettre d'écarter la courroie dentée de la vis sans fin ou inversément,The ski boot according to the invention is characterized in that the toothed belt has a helical toothing and that the hooking and tensioning means consist of a worm screw extending in the direction of the belt and provided with a manual actuation means, and by guide means holding the toothed belt in engagement with the worm, an articulation being further provided to allow the toothed belt to be moved away from the worm or vice versa,

Il a déjà été proposé d'utiliser une vis sans fin comme élément de tension (EP-A-0 073 989), cette vis agissant sur une bande de serrage intérieure du pied. Cette vis sans fin n'est toutefois pas utilisée comme moyen d'accrochage et la bande ne peut pas être écartée de la vis sans fin.It has already been proposed to use an endless screw as a tensioning element (EP-A-0 073 989), this screw acting on an internal clamping band of the foot. This worm is however not used as a means of attachment and the strip cannot be separated from the worm.

Dans le dispositif de fermeture et de tension selon l'invention, les moyens de tension et d'accrochage sont constitués par le même élémént, la vis sans fin. Ce dispositif est particulièrement peu encombrant, car la vis et sa tige s'étendent parallèlement à la surface de la chaussure et la vis sans fin proprement dite peut être encastrée dans l'épaisseur de la chaussure.In the closing and tensioning device according to the invention, the tensioning and hooking means are constituted by the same element, the worm. This device is particularly space-saving, because the screw and its rod extend parallel to the surface of the shoe and the worm itself can be embedded in the thickness of the shoe.

L'utilisation d'une vis permet d'effectuer un réglage très fin si on le désire, ce réglagé pouvant être continu si la vis est actionnée directement par un bouton ou un poulet moleté ou par un dispositif à cliquet. Il est en outre possible de régler la tension aussi bien en serrage qu'en desserrage, c'est-à-dire de desserrer une chaussure trop serrée, par exemple.The use of a screw makes it possible to carry out a very fine adjustment if desired, this adjustment being able to be continuous if the screw is actuated directly by a button or a knurled chicken or by a ratchet device. It is also possible to adjust the tension both in tightening and in loosening, that is to say loosening a shoe that is too tight, for example.

Selon une forme d'exécution de l'invention, les moyens de guidage de la courroie sont relevables de manière à permettre une introduction rapide de la courroie entre la vis sans fin et les moyens de guidage relevés, ces moyens de guidage étant ensuite rabattus et fixés par un moyen ad hoc, de manière à maintenir la denture de la courroie engagée dans la vis sans fin.According to one embodiment of the invention, the belt guide means can be raised so as to allow rapid introduction of the belt between the worm and the raised guide means, these guide means then being folded down and fixed by an ad hoc means, so as to keep the toothing of the belt engaged in the worm.

Selon une autre forme d'exécution la vis sans fin est montée dans un support relevable sur lequel est en outre monté un levier oscillant muni d'un cliquet coopérant directement avec une denture formée sur la vis sans fin.According to another embodiment, the worm is mounted in a lifting support on which is further mounted an oscillating lever provided with a pawl cooperating directly with a toothing formed on the worm.

Le dessin annexé représente, à titre d'exemple, deux formes d'éxécution de l'invention.

  • La figure 1 représente une chaussure à chaussage par l'arrière munie d'un dispositif de fermeture conforme à l'invention selon une première forme d'exécution.
  • La figure 2 est une vue partielle en coupe selon II-II de la figuré 1.
  • La figure 3 est une vue en coupe selon III-III de la figure 2.
  • La figure 4 est une vue en perspective de la pièce de guidage de la courroie.
  • La figure 5 représente une vue en perspective d'une seconde forme d'exécution.
  • La figure 8 est une vue en coupe selon l'axe de la vis sans fin, de la figure 5.
  • La figure 7 est une vue en coupe selon VII-VII de la figure 6.
  • La figure 8 est une vue en coupe analogue à la coupe selon la figure 7 d'une variante d'exécution de la seconde forme d'exécution.
The accompanying drawing shows, by way of example, two embodiments of the invention.
  • Figure 1 shows a shoe with a rear shoe fitted with a closure device according to the invention according to a first embodiment.
  • FIG. 2 is a partial sectional view along II-II of FIG. 1.
  • Figure 3 is a sectional view along III-III of Figure 2.
  • Figure 4 is a perspective view of the belt guide piece.
  • Figure 5 shows a perspective view of a second embodiment.
  • FIG. 8 is a sectional view along the axis of the worm, of FIG. 5.
  • Figure 7 is a sectional view along VII-VII of Figure 6.
  • Figure 8 is a sectional view similar to the section according to Figure 7 of an alternative embodiment of the second embodiment.

La chaussure représentée à la figure 1 comprend une c1>que 1 solidaire de la semelle et destinée à entourer le pied, le talon et la partie antérieure inférieure de la cheville et une tige constituée d'une partie antérieure 2 en forme de gouttière ouverte à l'arrière, fixée de manière connué à la coque 1 à la hauteur des maléolles en deux points opposés, tel que le point 3, autour desquels la partie 2 peut osciller légèrement. La tige comprend en outre une partie postérieure 4, également en forme de gouttière, articulée autour des points d'articulation de la partie antérieure 2, cette partie 4 venant s'emboiter dans la partie 2 pour entourer la cheville et étant rabattable vers l'arrière pour permettre l'introduction du pied dans la chaussure. Ces éléments sont réalisés en matière synthétique usuelle.The shoe shown in Figure 1 includes a c1> that 1 secured to the sole and intended to surround the foot, the heel and the lower front part of the ankle and a rod consisting of a front part 2 in the form of a gutter open to the rear, fixed in a known manner to the shell 1 at the height of the maléolles at two opposite points, such as point 3, around which the part 2 can oscillate slightly. The rod further comprises a rear part 4, also in the form of a gutter, articulated around the points of articulation of the front part 2, this part 4 coming to fit in part 2 to surround the ankle and being foldable towards the rear to allow the introduction of the foot into the shoe. These elements are made of conventional synthetic material.

Le dispositif de liaison et de tension 5 est représenté en détail à la figure 2. Il comprend une courroie 8 solidaire de la partie antérieure 2 de la tige, par exemple en même matière que cette tige, rapportée sur celle-ci ou venue d'une pièce avec elle, et venant entourer la partie 4. L'une des faces de cette courroie 6 présente une denture hélicoïdale 7 correspondant et coopérant avec la denture d'une vis sans fin 8 logée dans une découpe de la partie 2 de la tige et solidaire d'un axe 9 logé dans une surépaisseur 2a de la partie 2 de la tige. L'extrémité extérieure de l'axe 9 porte une tête cylindrique 10 de diamètre supérieur au diamètre de l'axe 9 et venant s'appuyer contre une portée plane 11 de la surépaisseur 2a. La tête 10 se termine en fourchette pour recevoir l'extrémité d'une manivelle 12 articulée sur la fourchette au moyen d'un axe 13. La manivelle 12 présente un cran 14 venant se fixer à cran derrière une saillie 15 de la partie 2 de la chaussure en position de repos.The connection and tensioning device 5 is shown in detail in FIG. 2. It comprises a belt 8 secured to the front part 2 of the rod, for example in the same material as this rod, attached to it or coming in one piece with it, and coming to surround part 4. One of the faces of this belt 6 has a corresponding helical toothing 7 and cooperating with the toothing of an endless screw 8 housed in a cutout in part 2 of the rod and secured to an axis 9 housed in an extra thickness 2a of part 2 of the rod. The outer end of the axis 9 carries a cylindrical head 10 of diameter greater than the diameter of the axis 9 and coming to bear against a flat surface 11 of the extra thickness 2a. The head 10 ends in a fork to receive the end of a crank 12 articulated on the fork by means of an axis 13. The crank 12 has a notch 14 coming to be fixed with a notch behind a projection 15 of the part 2 of the shoe in the rest position.

Le dispositif comprend en outre une pièce de guidage 16 en forme de capot rectangulaire allongé présentant un profil en U, par exemple en métal embouti, dont les ailes 17 et 18 sont articulées dans la surépaisseur 2a au moyen d'un axe 19 à proximité de l'extrémité intérieure de l'axe 9. A proximité de l'extrémité libre du capot 16 est fixée une pince 20 en forme de fourche à deux dents dont chacune des dents présente intérieurement une encoche arrondie 21 qui vient s'appliquer sur le pourtour de la tête cylindrique 10 lorsque le capot 16 est rabattu contre la chaussure, comme représenté au dessin, pour retenir ce capot 16 en position rabattue. Dans cette position, l'espace entre le capot 16 et la vis sans fin 8 est juste suffisant pour le passage de la courroie, de telle sorte que la denture 7 de cette courroie est maintenue en prise avec la vis 8. Le profil trapézoïdal de la denture 7 et de la vis 8 tel que représenté donne naissance à une composante de force qui a tendance à écarter le capot 16 de la vis 8, mais cette composante est relativement faible d'une part et, d'autre part, le couple exercé autour de l'axe 19 est faible car la distance entre cet axe et la vis sans fin 8 est relativement faible par rapport à la distance entre cet axe et le point de retenue du capot sur la tête 10. Il serait d'ailleurs possible de supprimer cette composante en adoptant un profil de dents présentant un flanc d'appui perpendiculaire au capot 16.The device further comprises a guide piece 16 in the form of an elongated rectangular cover having a U-shaped profile, for example of stamped metal, the wings 17 and 18 of which are articulated in the extra thickness 2a by means of an axis 19 near the inner end of the axis 9. Close to the free end of the cover 16 is fixed a clamp 20 in the form of a fork with two teeth, each of the teeth of which has a rounded notch 21 on the inside which is applied on the periphery of the cylindrical head 10 when the cover 16 is folded against the shoe, as shown in the drawing, to retain this cover 16 in the folded position. In this position, the space between the cover 16 and the endless screw 8 is just sufficient for the passage of the belt, so that the toothing 7 of this belt is held in engagement with the screw 8. The trapezoidal profile of the teeth 7 and the screw 8 as shown gives rise to a force component which tends to spread the cover 16 of the screw 8, but this component is relatively weak on the one hand and, on the other hand, the torque exerted around the axis 19 is small because the distance between this axis and the worm 8 is relatively small compared to the distance between this axis and the point of retention of the cover on the head 10. It would moreover be possible to remove this component by adopting a profile of teeth having a support flank perpendicular to the cover 16.

Partant de la position représentée au dessin, pour déchausser, on écarte tout d'abord le capot 16 de la chaussure, ce qui permet à la denture 7 de la courroie de se dégager de la vis 8, permettant ainsi une ouverture quasi intantanée de la chaussure. Lors du chaussage, on introduit aussi loin que possible la courroie 6 entre le capot 16 relevé et la vis 8, puis on rabat le capot 16. La courroie est alors en prise avec la vis 8. On dégage ensuite la manivelle 12 de son cran 15 et on actionne la vis jusqu'à ce que l'on ait atteint le serrage désiré, puis on rabat la manivelle 12 à nouveau contre la chaussure.Starting from the position shown in the drawing, to take off the shoes, the cover 16 of the shoe is first moved aside, which allows the toothing 7 of the belt to disengage from the screw 8, thus allowing an almost instantaneous opening of the shoe. When putting on, the belt 6 is inserted as far as possible between the raised cover 16 and the screw 8, then the cover 16 is folded down. The belt is then engaged with the screw 8. The crank 12 is then released from its notch 15 and the screw is actuated until the desired tightening has been reached, then the crank 12 is folded again against the shoe.

En lieu et place de la manivelle 12 il est possible d'utiliser un bouton ou un poulet moleté fixé à l'extrémité de l'axe 9. Un tel actionnement permet un réglage continu de la tension.In place of the crank 12 it is possible to use a knob or a knurled chicken fixed at the end of the axis 9. Such an actuation allows a continuous adjustment of the tension.

Toutes les pièces, y compris la vis 8, peuvent être bien entendu exécutées en matière synthétique,All parts, including screw 8, can of course be made of synthetic material,

Dans la seconde forme d'exécution de l'invention représentée aux figures 5 à 7, la vis sans fin 22 est pivotée dans un support 23 articulé autour d'un axe 24 sur un bossage 25 de la partie 2 de la chaussure. La vis sans fin 22 est plus précisément montée dans un créneau 26 du support 23. Ce support 23 est maintenu en position rabattue sur la chaussure par un cran 27 qui vient s'encliqueter sur un bec 28 formé sur la partie 2 de la chaussure. L'extrémité 29 du support 23 est conformée pour permettre de saisir le levier pour le relever, respectivement pour le rabattre et l'encliqueter. La courroie dentée 30 est guidée par un passage 31 formé dans la partie 2 de la chaussure sous le bec 28 et se prolongeant, en forme de rainure, sous le levier 23, de telle manière que la vis sans fin 22 engrène avec la denture 32 de la courroie en position rabattue, à travers une découpe 46 de la partie 2 de la chaussure.In the second embodiment of the invention shown in Figures 5 to 7, the worm 22 is pivoted in a support 23 hinged about an axis 24 on a boss 25 of the part 2 of the shoe. The worm 22 is more precisely mounted in a slot 26 of the support 23. This support 23 is held in the folded position on the shoe by a notch 27 which snaps onto a spout 28 formed on the part 2 of the shoe. The end 29 of the support 23 is shaped to allow the lever to be grasped to raise it, respectively to fold it down and snap it into place. The toothed belt 30 is guided by a passage 31 formed in part 2 of the shoe under the spout 28 and extending, in the form of a groove, under the lever 23, so that the worm 22 meshes with the toothing 32 of the belt in the folded position, through a cutout 46 in part 2 of the shoe.

Sur le support 23, dans le créneau 26 de ceui- ci, est en outre articulé, sur l'axe de la vis sans fin 22, un levier 33 muni d'un cliquet 34 constitué par un ressort-lame, dont l'une des extrémités est encastrée dans le levier 33 et dont l'une de ses faces s'appuie sur une portée 35 du levier 33 (fig. 7), l'autre face étant libre. Le cliquet 34 coopère avec des dents de rochet 36 taillées directement sur la vis sans fin 22.On the support 23, in the niche 26 of this, is further articulated, on the axis of the worm 22, a lever 33 provided with a pawl 34 constituted by a leaf spring, one of which ends is embedded in the lever 33 and one of its faces is supported on a bearing 35 of the lever 33 (Fig. 7), the other side being free. The pawl 34 cooperates with ratchet teeth 36 cut directly on the worm 22.

Le dispositif de fermeture s'utilise comme suit: le support 23 étant, de préférence, relevé, on introduit la courroie 30 aussi loin que possible à travers le passage 31, puis on rabat le support 23. Il suffit ensuite d'actionner le levier 33 selon un mouvement de va-et-vient pour entrainer la vis sans fin de manière unidirectionnelle dans le sens de la flèche F1. Une fois la tension désirée obtenue, on rabat le levier 33 dans la position représentée aux figures 5 et 7. Pour ouvrir la chaussure, il suffit de relever le support 23, ce qui a pour effet de dégager la courroie 30.The closing device is used as follows: the support 23 being preferably raised, the belt 30 is introduced as far as possible through the passage 31, then the support 23 is folded down. It is then sufficient to actuate the lever 33 according to a back-and-forth movement to drive the worm in a unidirectional manner in the direction of arrow F1. Once the desired tension has been obtained, the lever 33 is folded back into the position shown in FIGS. 5 and 7. To open the boot, it suffices to raise the support 23, which has the effect of releasing the belt 30.

Ce dispositif permet un réglage pratiquement continu de la tension. Il est particulièrement compact et facile à actionner. L'extrémité de la courroie est en outre cachée sous la partie 2 de la chaussure.This device allows a practically continuous adjustment of the tension. It is particularly compact and easy to operate. The end of the strap is also hidden under part 2 of the shoe.

Selon une variante d'exécution du dispositif décrite ci-dessus, il est possible d'entraéner la vis sans fin dans les deux sens. Une telle variante d'exécution est représentée à la figure 8 dans une coupe correspondant à celle de la figure 7. Les parties non représentées sont les mêmes que celles représentées aux figures 5 et 7, les parties identiques étant en outre désignées par les mêmes références. Le levier 33 et la vis sans fin 22, modifiés dans leur forme, ont été désignés par les référénces 33' et 22' respectivement. La vis sans fin 22' est munie d'entailles arrondies 37 réparties sur son pourtour. Sur le levier 33' est articulé autour d'un axe 38 un cliquet 39 en forme de bascule à deux becs arrondis 40 et 41 destinés à coopérer avec les encoches 37 de la vis sans fin pour son entraînement en rotation. Le cliquet 39 est muni d'une tête arrondie 42 s'engageant entre deux butées 43 et 44 du levier 33'. Sur la tête 42 s'appuie l'extrémité d'un ressort-lame 45 encastré dans le levier 33' et s'étendant en direction de l'axe 38, à mi-distance entre les butées 43 et 44. Ce ressort 45 maintient le cliquet- bascule 39 dans l'une ou l'autre de deux positions stables, l'une de ces positions stables étant représentée à la figure 8. Dans cette position l'un des becs du cliquet, en l'occurrence le bec 40, est en appui contre la vis sans fin 22' et le ressort 45 est légèrement fléchi.According to an alternative embodiment of the device described above, it is possible to drive the worm in both directions. Such an alternative embodiment is shown in Figure 8 in a section corresponding to that of Figure 7. The parts not shown are the same as those shown in Figures 5 and 7, the identical parts being further designated by the same references . The lever 33 and the endless screw 22, modified in their shape, have been designated by the references 33 'and 22' respectively. The worm 22 'is provided with rounded notches 37 distributed around its periphery. On the lever 33 'is articulated around an axis 38 a pawl 39 in the form of a rocker with two rounded spouts 40 and 41 to cooperate with the notches 37 of the worm for its rotational drive. The pawl 39 is provided with a rounded head 42 engaging between two stops 43 and 44 of the lever 33 '. On the head 42 rests the end of a leaf spring 45 embedded in the lever 33 'and extending in the direction of the axis 38, midway between the stops 43 and 44. This spring 45 maintains the pawl-rocker 39 in one or the other of two stable positions, one of these stable positions being represented in FIG. 8. In this position one of the spouts of the pawl, in this case the spout 40 , is pressed against the worm 22 'and the spring 45 is slightly bent.

Dans la position représentée à la figure 8, si on fait tourner le levier 33' dans le sens de la flèche F2, la vis sans fin 22' a tendance à retenir le cliquet basculant 39 dont le bec 40, s'il n'était pas déjà engagé dans une encoche 37, vient s'engager dans une de ces encoches. La lame- ressort 45, qui peut être en matière synthétique, n'est pas assez forte pour entraîner la vis sans fin en rotation et elle fléchit pour passer de l'autre côté, c'est-à-dire à gauche de la tête 42. Celle-ci vient alors occuper approximativement la position représentée en trait mixte 42', le ressort 45 venant, dans la position 45', appuyer de l'autre côte de la tête 42 en maintenant l'autre bec 41 du cliquet en appui sur le vis 22'. Dans la suite du mouvement du levier 33', la butée 44 vient buter contre la tête 42 et le cliquet 39 étant alors bloqué sur le levier 33', il entraîne la vis sans fin dans le sens F3 par son bec 40. Lorsqu'on revient en arrière avec le levier 33', le mouvement inverse se produit, c'est-à-dire que la tête 42 passe à nouveau à gauche du ressort 45. Si on continue à tourner le levier 33' dans ce même sens F4 c'est alors la butée 43 qui vient rencontrer la tête 42 et entraîner la vis sans fin dans l'autre sens F5. Si par contre, on arrête de tourner le levier 33' dans le sens F4 dès que l'on rencontre une certaine résistance et que l'on revient dans le sens F2, on entraîne à nouveau la vis dans le même sens F3. Par un mouvement "de pompage" dans un sens ou dans l'autre, du levier 33', on peut ainsi, à volonté, entraîner la vis sans fin 22' soit dans un sens, soit dans l'autre sens, ce qui permet de serrer ou de desserrer à volonté la courroie 30, de façon continue.In the position shown in Figure 8, if the lever 33 'is rotated in the direction of the arrow F2, the worm 22' tends to retain the tilting pawl 39 including the spout 40, if it were not not already engaged in a notch 37, comes to engage in one of these notches. The leaf spring 45, which may be made of synthetic material, is not strong enough to drive the endless screw in rotation and it bends to pass to the other side, that is to say to the left of the head 42. This then comes to occupy approximately the position shown in phantom 42 ', the spring 45 coming, in position 45', to press on the other side of the head 42 while maintaining the other spout 41 of the pawl in support on screw 22 '. Following the movement of the lever 33 ', the stop 44 abuts against the head 42 and the pawl 39 then being locked on the lever 33', it drives the worm in the direction F3 by its beak 40. When goes back with the lever 33 ', the reverse movement occurs, that is to say that the head 42 again passes to the left of the spring 45. If we continue to turn the lever 33' in the same direction F4 c 'is then the stop 43 which comes to meet the head 42 and drive the worm in the other direction F5. If, on the other hand, the lever 33 ′ is stopped turning in the direction F4 as soon as a certain resistance is encountered and it returns in the direction F2, the screw is again driven in the same direction F3. By a "pumping" movement in one direction or the other, of the lever 33 ', it is thus possible, at will, to drive the worm 22' either in one direction or in the other direction, which allows tighten or loosen the belt 30 as desired, continuously.

L'invention n'est pas limitée à une chaussure à chaussage par l'arrière, décrite à titre d'exemple, mais s'étend à tout type de chaussures, le dispositif de fermeture et de tension à vis sans fin pouvant remplacer notamment tout type de boucles connues.The invention is not limited to a shoe fitted with the rear, described by way of example, but extends to any type of shoe, the closure and tensioning device with worm screw being able to replace in particular any type of known loops.

Claims (9)

1. A ski boot comprising at least two portions (2.4) having overlapping edges for surrounding the leg or ankle and at least one closing and tightening device for interconnecting said two portions, said device comprising a cogged strap (6: 30) secured to one of said boot portions and adapted to cooperate with hooking and tightening means (5) secured to the same boot portion or to the other boot portion, charictirized by the fact that said cogged strap (6: 30) comprises helical teeth (7: 32) and that said hooking and tightening means (5) consists on the one hand of a worm-screw (8; 22; 22') extending along said strap (6; 30) and having manual actuating means (12; 33; 33'), and on the other hand of guide means (16; 31) for maintaining said cogged strap in meshing engagement with said worm-screw, an articulation being further provided for allowing to move said cogged strap away from said worm-screw or inversely.
2. A ski boot according to claim 1, characterized by the fact that said guide means (16) consist of a U-sectioned member fulcrumed about an axis (19) located beyond said worm-screw, fastening means (10, 20) being provided on said U-sectioned member (16) and said boot for retaining said lever in its fold-down position.
3. A ski boot according to claim 2, characterized by the fact that said means for fastening said guide member consist of a clip (20) rigid with said U-sectioned member (16) and adapted to be secured to the shank (9) of said worm-screw between said worm-screw actuating means and said boot.
4. A ski boot according to claim 3, characterized by the fact that said worm-screw (8) and said shank (9) are mounted inside a thicker area (2a) of one of the two portions of the boot.
5. A ski boot according to claim 1, characterized by the fact that said worm-screw actuating means consist of a crank (12) pivoted to the outer end of said worm-screw shank and provided with a notch snappily engageable by a bead formed on said boot for holding said crank in its inoperative position.
6. A ski boot according to claim 1, characterized by the fact that said worm-screw actuating means consist of a knurled knob or capstan head.
7. A ski boot according to claim 1, characterized by the fact that said worm-screw (22) is mounted in a support (23) pivotally mounted to one boot portion (2) and adapted to be held in bearing engagement with this boot portion by detent positioning means (27, 28) said boot portion (2) comprising an aperture (46) registering with said worm-screw and through which said worm-screw is adapted to mesh with said cogged strap (30) engaged under said boot portion, said strap guide means consisting of a strap passage (31) formed in the thickness of said boot portion (2) said manual means for actuating said worm-screw consisting of a lever (33; 33') fulcrumed on the end arbors of said worm-screw and provided with a pawl (34; 39) cooperating with notches (36; 37) formed on said worm-screw so as to rotatably drive said worm-screw when said lever is rotated alternatively in one and the other direction.
8. A ski boot according to claim 7, characterized by the fact that said notches have a pawl-teeth configuration (36) and said pawl consist of a spring blade (34) retained by a bearing surface (35) of said lever on the side opposite the worm-screw driving direction, whereby the worm-acrew can be driven unidirectionally,
9. A ski boot according to claim 7, characterized by the fact that said pawl consists of a bistable rocker-like member (39) provided with two beads (40, 41 ) and fulcrumed to said lever (33) and provided with a head (42) opposite said beads, said head being engageable between a pair of stop members (43, 44) formed on said lever and between which said head is held in one or the other of its stable positions by one end of a spring blade (45), said one stable position causing one of said rocker pawl beads to be urged against said worm-screw, whereby said worm-screw can be driven either in one direction or in the other direction by one or the other of said lever beads, respectively.
EP85200624A 1984-05-02 1985-04-22 Ski boot Expired EP0161025B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85200624T ATE29200T1 (en) 1984-05-02 1985-04-22 SKI BOOT.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH2128/84A CH656509A5 (en) 1984-05-02 1984-05-02 SKI BOOT.
CH2128/84 1984-05-02

Publications (2)

Publication Number Publication Date
EP0161025A1 EP0161025A1 (en) 1985-11-13
EP0161025B1 true EP0161025B1 (en) 1987-09-02

Family

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EP85200624A Expired EP0161025B1 (en) 1984-05-02 1985-04-22 Ski boot

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US (1) US4614047A (en)
EP (1) EP0161025B1 (en)
JP (1) JPS60249901A (en)
AT (1) ATE29200T1 (en)
CA (1) CA1228983A (en)
CH (1) CH656509A5 (en)
DE (1) DE3560520D1 (en)

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CH661848A5 (en) * 1985-03-07 1987-08-31 Lange Int Sa SKI BOOT.
US5745959A (en) * 1997-01-07 1998-05-05 The Burton Corporation Ratchet-type buckle
US6425509B1 (en) 1999-11-23 2002-07-30 Yakima Products, Inc. Bicycle carrier
US6561398B1 (en) 1999-11-23 2003-05-13 Yakima Products, Inc. Rack assembly for a vehicle
US6431423B1 (en) 1999-11-23 2002-08-13 Yakima Products, Inc. Assembly for carrying a bicycle on a vehicle
US6422441B1 (en) 1999-11-23 2002-07-23 Yakima Products, Inc. Apparatus for securing recreational equipment to vehicle-mounted racks
US7726528B2 (en) * 2005-08-09 2010-06-01 Yakima Products, Inc. Bicycle carrier
US7726529B2 (en) * 2006-08-09 2010-06-01 Yakima Products, Inc. Bicycle carrier
US20090083950A1 (en) * 2007-10-01 2009-04-02 Thomas Corogin Clamp
DE102009004243B3 (en) * 2009-01-09 2010-02-11 Nikolaos Giatrinis Shoe for winter sports, particularly ski-shoe or snow boarding shoe, comprises foot shell for receiving foot of wearer, and seal-like shank is provided for surrounding lower part of leg of wearer
US9283884B2 (en) 2012-04-30 2016-03-15 Yakima Produtcs, Inc. Attachment devices for vehicle rooftop rack accessories
US9376063B2 (en) 2012-04-30 2016-06-28 Yakima Products, Inc. Vehicle carrier system
DE102014110259A1 (en) * 2014-07-22 2016-01-28 Ergopack Deutschland Gmbh Closing and tensioning device for a shoe and suitably equipped shoe, in particular ski boot
WO2017214066A1 (en) 2016-06-05 2017-12-14 Yakima Products, Inc. Fork-mount bicycle carrier
AU2017278256B2 (en) 2016-06-05 2022-09-01 Yakima Products, Inc. Upright bike carrier
US10857949B2 (en) 2017-04-18 2020-12-08 Yakima Products, Inc. Fork mount bicycle carrier

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US1397508A (en) * 1921-06-06 1921-11-22 Jubilee Mfg Company Clamp
US2345832A (en) * 1942-04-01 1944-04-04 Pritchard Eric Thomas Hose or band clip
FR1256422A (en) * 1960-05-06 1961-03-17 Hose clamp
US3662435A (en) * 1970-08-06 1972-05-16 Allsop I J Ratcheting buckle for ski boots and the like
AT371319B (en) * 1978-11-15 1983-06-27 Sesamat Anstalt TENSION LEVER LOCK FOR SHOES, ESPECIALLY FOR SKI BOOTS
DE3013953A1 (en) * 1980-04-11 1981-10-22 Sportschuh-Fabrik Hans Wagner, 8061 Vierkirchen Spring clasp for fastening ski boots - has gear wheel for easy turning of lever interacting with draw cord
IT8122769V0 (en) * 1981-08-31 1981-08-31 Nordica Spa DEVICE FOR THE ADJUSTMENT OF THE SOCK PARTICULARLY IN SKI BOOTS.

Also Published As

Publication number Publication date
CA1228983A (en) 1987-11-10
ATE29200T1 (en) 1987-09-15
JPH0381363B2 (en) 1991-12-27
JPS60249901A (en) 1985-12-10
US4614047A (en) 1986-09-30
EP0161025A1 (en) 1985-11-13
CH656509A5 (en) 1986-07-15
DE3560520D1 (en) 1987-10-08

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