EP1969956B1 - Device for fastening and tightening a sports shoe - Google Patents

Device for fastening and tightening a sports shoe Download PDF

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Publication number
EP1969956B1
EP1969956B1 EP07425144.8A EP07425144A EP1969956B1 EP 1969956 B1 EP1969956 B1 EP 1969956B1 EP 07425144 A EP07425144 A EP 07425144A EP 1969956 B1 EP1969956 B1 EP 1969956B1
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EP
European Patent Office
Prior art keywords
connecting member
closure
boot
shoe
sports boot
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.)
Active
Application number
EP07425144.8A
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German (de)
French (fr)
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EP1969956A1 (en
Inventor
Andrea Fregoni
Giovanni Girolimetto
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.)
Rossignol Lange SRL
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Rossignol Lange SRL
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Publication date
Application filed by Rossignol Lange SRL filed Critical Rossignol Lange SRL
Priority to EP07425144.8A priority Critical patent/EP1969956B1/en
Priority to US12/044,421 priority patent/US8458860B2/en
Publication of EP1969956A1 publication Critical patent/EP1969956A1/en
Application granted granted Critical
Publication of EP1969956B1 publication Critical patent/EP1969956B1/en
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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
    • A43C11/142—Fastenings with toggle levers with adjustment means provided for on the shoe, e.g. rack
    • A43C11/1453—Fastenings with toggle levers with adjustment means provided for on the shoe, e.g. rack characterised by the shape of the teeth on the rack
    • 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
    • Y10T24/2102—Cam lever and loop
    • Y10T24/2142—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 invention relates to a device for closing and tightening a sports shoe, this device comprising two connecting members adapted to cooperate together, particularly suitable for rigid shoes such as a ski boot. It also covers each of these liaison bodies as such. Finally, it relates to a sports shoe equipped with such a closure and clamping device.
  • the figure 1 illustrates a classic ski boot 1 of the prior art, composed of a collar 2 articulated on a shell 3. These two rigid parts 2, 3 are open at the anterior portion of the shoe, forming a notch which facilitates the donning and heaving despite the rigidity of the shoe.
  • the latter is further provided with four closing and clamping devices 4, two on the collar 2 and two on the shell 3, of the type illustrated in FIG. figure 2 .
  • Each closing and clamping device 4 consists of two complementary connecting members.
  • the first member comprises a base 5 adapted for attachment to the shoe, carrying a clamping lever 6 rotatably mounted on the base 5 about an axis 7, adapted to drive a tie rod 8 mounted on the lever 6 around a further axis 9, and connected to an end portion 10 of the connecting member, the end of which comprises a transverse link zipper 11.
  • the second member comprises a base 15 for attachment to a shoe, a rack 16 comprising different teeth 17 adapted to cooperate with the connecting transverse zipper 11 and representing different degrees of clamping.
  • Each connecting member of this connecting device 4 is fixed on the shoe on either side of the notch, the base 5 of the first member being fixed on a rigid side portion 19 of the shoe, facing with the base 15 of the second connecting member fixed on a flap 20 more flexible adapted to cover the notch of the shoe.
  • These two connecting members are sometimes rotatable about their point of attachment to the surface of the shoe.
  • the two complementary connecting members are placed on the same curve 18 on the surface of the shoe which represents the shortest possible path of these connecting members between the two bases 5, 15. We will misuse the term of alignment on the curve 18 to qualify this configuration of closure of the two connecting members.
  • This alignment curve 18 of the connecting members is substantially perpendicular to the notch to be closed.
  • the two connecting members are connected, the pull tab 11 being in relation to a tooth 17 chosen as a function of the desired tightening, the clamping being effected by the operation of the lever 6.
  • the connecting pull 11 and the teeth 17 have an orientation respectively a, b perpendicular to the curve 18, so that the force exerted by the pull tab 11 on a tooth 17 causes the flap 20 to be brought closer in a direction substantially perpendicular to the notch, to cause the closure shoe, then its tightening, always in the same direction parallel to the curve 18.
  • the curves 18 illustrated further represent an axis of symmetry of the closing and clamping devices. However, this is not mandatory, devices may be asymmetrical.
  • an object of the present invention is to provide another closure and clamping device for sports shoe that improves the tightening and holding of the foot in the shoe while ensuring the closure of the shoe.
  • the closure and tightening of the boot are made by connecting members exerting an additional force component, out of alignment with at least one of the connecting members, this non-aligned component reinforcing a function of maintaining the foot in the shoe.
  • the figure 3 illustrates a partial view of a ski boot comprising closing and clamping devices according to an embodiment of the invention.
  • Each device is based on two connecting members mounted respectively on a first lateral portion 19 of the boot and on a second lateral portion of the boot, consisting for example of a flexible flap 20, disposed beyond its anterior notch.
  • the first connecting member comprises a base 25, carrying a clamping lever 26 rotatably mounted on the base 25 and adapted to drive a tie rod 28 mounted on the lever 26, and connected to an end portion 30 of the connecting member whose end comprises a link zipper 31.
  • the second connecting member comprises a base 35 fixed on the surface of a flap 20 by a fastening means 38 of the rivet type, a rack 36 comprising different teeth 37 adapted to cooperate with the transverse connection zipper 31 and representing different degrees of clamping.
  • the connecting members are fixed on the boot by a fastening means 38 which prevents their rotation relative to the boot so as to maximize the orientation movement of the flap 20 by the forces exerted by the connecting members.
  • This attachment may consist of at least two rivets or a rivet associated with a complementary system for blocking the rotation.
  • the shoe comprises two devices for closing and clamping at its collar 2 and at least one at its shell 3, partially illustrated.
  • at least one of the connecting members could be rotatable about the point of attachment 38 to facilitate its positioning in alignment with the first connecting member to close the shoe.
  • each connecting member is aligned in a predefined closing direction.
  • their respective closing directions are aligned in this embodiment. Indeed, they are positioned in an alignment represented by the curve 18 on the surface of the shoe, which represents the shortest distance for connecting the two connecting members from their respective bases 25, 35.
  • the tie rod 28, its point of connection with the end portion 30 and the center of connection of the rack 36 with its base 35 are in particular then aligned on the curve 18.
  • the two parallel branches 32 of the end portion 30 fork-shaped and both sides side 39 parallel of the rack 36 are positioned on a curve parallel to the alignment curve 18.
  • the connecting tab 31 of the first connecting member is oriented in a direction c not perpendicular to the two parallel branches 32 of the end portion 30 in the form of a fork.
  • the teeth 37 of the rack 36 likewise have an orientation d not perpendicular to the two parallel side faces 39 of the rack.
  • These two directions c and d are the same in the closure configuration of the shoe, so that the straight pull tab 31 comes in perfect cooperation with the teeth 37 of the rack. Thanks to this geometry of the connecting elements 31, 37 of the connecting members, the pull tab 31 exerts a force F on the selected tooth 37 perpendicular to the directions c, d and therefore not parallel to the tangent to the curve 38.
  • the orientation of the connecting elements 31, 37 is chosen so that this force F has a component downwardly at the collar and backward at the shell.
  • This force is naturally transmitted to the structure of the shoe and the foot of the user.
  • This component of force not aligned with the rest of the connecting members thus makes it possible to add an additional effect of maintaining the foot in the shoe.
  • the shoe exerts a force that pushes the lower leg to the ground, thus improving the maintenance of the heel at the bottom of the shoe and avoiding its lifting.
  • the shoe exerts a force that pushes the instep backwards, thereby improving the maintenance of the heel at the bottom of the shoe by avoiding its advance.
  • the angle of the teeth 37 and the pull tab 31 is chosen according to the desired distribution of the clamping force between its component traditional closure of the notch and its new component of improving the maintenance of the foot.
  • different geometries can be chosen without departing from the scope of the invention. It is noted that an angle of 5 to 10 degrees between the directions c and d of these elements and the alignment direction 18 of the connecting members represents an advantageous solution.
  • FIG 4 illustrates a possible variant of the connecting members, which differs essentially in the shape of the connecting elements 31 ', 37'.
  • the first connecting member thus comprises a connecting element in the form of a curved zipper 31 'disposed between two branches 32' of more complex shape and not completely parallel.
  • the second connecting member has a rack whose connecting elements are mushroom-shaped pins 37 '.
  • the cooperation between the connecting elements 31 'and 37' is in a curve whose tangent c 'is not perpendicular to the alignment curve 18.
  • these elements exert a force F perpendicular to this tangent c', not aligned with the alignment curve 18 of the connecting members, to achieve the same technical effect as in the embodiment shown above.
  • a first solution is for example possible on the basis of a first connecting member with zipper 31, having a geometry similar to that illustrated on the drawing. figure 3 , associated with a second usual liaison body, such as the rack illustrated on the figure 2 .
  • a first connecting member with zipper 31 having a geometry similar to that illustrated on the drawing. figure 3 , associated with a second usual liaison body, such as the rack illustrated on the figure 2 .
  • Such an embodiment is implemented on a shoe by positioning the first link member as shown in FIG. figure 3 and the second connecting member on the flap 20, these two connecting members being connected to the shoe by at least two rivets to prevent their rotation relative to the surface of the shoe.
  • the zipper exerts a force on the tooth of the corresponding rack so that the latter takes an orientation parallel to the pull tab, thereby causing a movement combining a pull and a rotation of the flap 20 on which the rack is fixed.
  • the two connecting members thus achieve a closure configuration in which they each occupy their respective closing direction, these directions being no longer aligned in this embodiment but having an angle corresponding to the angle of inclination of the zipper relative to the direction of the first link member.
  • the two connecting members always position themselves according to the shortest path on the shoe to present this angle. As this angle is small, for example 5 degrees, the connecting members remain almost aligned.
  • the pull tab 31 exerts a force inducing a stronger rotation downwardly of the flap 20, helping to better maintain the foot at the bottom of the the shoe.
  • a second solution could consist in associating a first connecting member with a usual pull tab like that illustrated in the figure with a second rack-type member as illustrated on the figure 3 .
  • the technical effect will be equivalent to that obtained previously.
  • the desired result can be obtained by providing that at least one of the connecting members has a connecting element of geometry such that its tangent to a complementary connecting element is not perpendicular to the closing direction of the connecting member, defined in its closure configuration and clamping on the surface of a shoe.
  • This solution provides an improvement regardless of the direction of closure of the connecting members on the surface of the shoe.
  • closure and clamping device solution of the invention has been illustrated in the context of a ski boot but could be implemented on any sports shoe, relatively rigid and requiring significant tightening.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

L'invention concerne un dispositif pour la fermeture et le serrage d'une chaussure de sport, ce dispositif comprenant deux organes de liaison aptes à coopérer ensemble, particulièrement adapté aux chaussures rigides comme une chaussure de ski. Elle porte aussi sur chacun de ces organes de liaison en tant que tels. Enfin, elle porte sur une chaussure de sport équipée d'un tel dispositif de fermeture et serrage.The invention relates to a device for closing and tightening a sports shoe, this device comprising two connecting members adapted to cooperate together, particularly suitable for rigid shoes such as a ski boot. It also covers each of these liaison bodies as such. Finally, it relates to a sports shoe equipped with such a closure and clamping device.

La figure 1 illustre une chaussure de ski classique 1 de l'art antérieur, composée d'un collier 2 articulé sur une coque 3. Ces deux parties rigides 2, 3 sont ouvertes au niveau de la partie antérieure de la chaussure, formant une échancrure qui facilite le chaussage et le déchaussage malgré la rigidité de la chaussure. Cette dernière est en outre munie de quatre dispositifs de fermeture et serrage 4, deux sur le collier 2 et deux sur la coque 3, du type de celui illustré sur la figure 2. Chaque dispositif de fermeture et serrage 4 se compose de deux organes de liaison complémentaires. Le premier organe comprend une embase 5 apte à une fixation sur la chaussure, portant un levier de serrage 6 monté mobile en rotation sur l'embase 5 autour d'un axe 7, apte à entraîner un tirant 8 monté sur le levier 6 autour d'un autre axe 9, et lié à une partie terminale 10 de l'organe de liaison dont l'extrémité comprend une tirette transversale de liaison 11. Le second organe comprend une embase 15 pour sa fixation sur une chaussure, une crémaillère 16 comprenant différentes dents 17 aptes à coopérer avec la tirette transversale de liaison 11 et représentant différents degrés de serrage. Chaque organe de liaison de ce dispositif de liaison 4 est fixé sur la chaussure de part et d'autre de l'échancrure, l'embase 5 du premier organe se trouvant fixé sur une partie latérale 19 rigide de la chaussure, en vis à vis avec l'embase 15 du second organe de liaison fixé sur un rabat 20 plus souple apte à recouvrir l'échancrure de la chaussure. Ces deux organes de liaison sont parfois mobiles en rotation autour de leur point de fixation à la surface de la chaussure. Toutefois, dans une position de fermeture de la chaussure, les deux organes de liaison complémentaires sont placés sur une même courbe 18 à la surface de la chaussure qui représente le plus court chemin possible de ces organes de liaison entre les deux embases 5, 15. Nous utiliserons abusivement le terme d'alignement sur la courbe 18 pour qualifier cette configuration de fermeture des deux organes de liaison. Cette courbe 18 d'alignement des organes de liaison est sensiblement perpendiculaire à l'échancrure à fermer. Dans cette configuration de fermeture, les deux organes de liaison sont reliés, la tirette 11 étant en relation avec une dent 17 choisie en fonction du serrage souhaité, le serrage étant réalisé par l'actionnement du levier 6. La tirette de liaison 11 et les dents 17 présentent une orientation respectivement a, b perpendiculaire à la courbe 18, de sorte que l'effort exercé par la tirette 11 sur une dent 17 entraîne le rapprochement du rabat 20 dans une direction sensiblement perpendiculaire à l'échancrure, pour entraîner la fermeture de la chaussure, puis son serrage, toujours dans la même direction parallèle à la courbe 18. Sur l'illustration de la figure 1, les courbes 18 illustrées représentent de plus un axe de symétrie des dispositifs de fermeture et serrage. Toutefois, cela n'est pas obligatoire, les dispositifs pouvant être asymétriques.The figure 1 illustrates a classic ski boot 1 of the prior art, composed of a collar 2 articulated on a shell 3. These two rigid parts 2, 3 are open at the anterior portion of the shoe, forming a notch which facilitates the donning and heaving despite the rigidity of the shoe. The latter is further provided with four closing and clamping devices 4, two on the collar 2 and two on the shell 3, of the type illustrated in FIG. figure 2 . Each closing and clamping device 4 consists of two complementary connecting members. The first member comprises a base 5 adapted for attachment to the shoe, carrying a clamping lever 6 rotatably mounted on the base 5 about an axis 7, adapted to drive a tie rod 8 mounted on the lever 6 around a further axis 9, and connected to an end portion 10 of the connecting member, the end of which comprises a transverse link zipper 11. The second member comprises a base 15 for attachment to a shoe, a rack 16 comprising different teeth 17 adapted to cooperate with the connecting transverse zipper 11 and representing different degrees of clamping. Each connecting member of this connecting device 4 is fixed on the shoe on either side of the notch, the base 5 of the first member being fixed on a rigid side portion 19 of the shoe, facing with the base 15 of the second connecting member fixed on a flap 20 more flexible adapted to cover the notch of the shoe. These two connecting members are sometimes rotatable about their point of attachment to the surface of the shoe. However, in a closed position of the shoe, the two complementary connecting members are placed on the same curve 18 on the surface of the shoe which represents the shortest possible path of these connecting members between the two bases 5, 15. We will misuse the term of alignment on the curve 18 to qualify this configuration of closure of the two connecting members. This alignment curve 18 of the connecting members is substantially perpendicular to the notch to be closed. In this closure configuration, the two connecting members are connected, the pull tab 11 being in relation to a tooth 17 chosen as a function of the desired tightening, the clamping being effected by the operation of the lever 6. The connecting pull 11 and the teeth 17 have an orientation respectively a, b perpendicular to the curve 18, so that the force exerted by the pull tab 11 on a tooth 17 causes the flap 20 to be brought closer in a direction substantially perpendicular to the notch, to cause the closure shoe, then its tightening, always in the same direction parallel to the curve 18. In the illustration of the figure 1 the curves 18 illustrated further represent an axis of symmetry of the closing and clamping devices. However, this is not mandatory, devices may be asymmetrical.

Le document FR2755834 décrit une variante de réalisation d'un dispositif de fermeture et serrage tel que décrit précédemment dans laquelle les organes de liaison ont une position réglable sur la surface de la chaussure, afin de permettre la modification du positionnement de la courbe d'alignement 18 des organes de liaison en fonction de la morphologie du pied pour améliorer le confort de la chaussure. Cette solution présente de nombreux inconvénients parmi lesquels :

  • elle présente une grande complexité du fait du mécanisme de réglage du positionnement des éléments sur la surface de la chaussure ;
  • elle augmente l'encombrement des accessoires à la surface de la chaussure, ce qui limite d'une part leur utilisation au niveau du cou de pied parce que c'est la seule zone de surface assez importante pour les accueillir et ce qui rigidifie d'autre part la chaussure du fait de l'augmentation de la surface métallique ;
  • elle augmente aussi les ponts thermiques vers l'extérieur du fait de la présence du métal, ce qui diminue son confort ;
  • enfin, la marge de réglage par cette solution reste très restreinte et le gain apporté n'est pas satisfaisant au vu des inconvénients mentionnés.
The document FR2755834 discloses an alternative embodiment of a closure and clamping device as described above in which the connecting members have an adjustable position on the surface of the boot, to allow the modification of the positioning of the alignment curve 18 of the organs link according to the foot morphology to improve the comfort of the shoe. This solution has many disadvantages among which:
  • it presents a great complexity because of the mechanism for adjusting the positioning of the elements on the surface of the shoe;
  • it increases the size of the accessories on the surface of the shoe, which limits on the one hand their use on the instep because it is the only area of surface important enough to accommodate them and what stiffens of on the other hand the shoe due to the increase of the metal surface;
  • it also increases the thermal bridges towards the outside because of the presence of the metal, which decreases its comfort;
  • finally, the margin of adjustment by this solution is very limited and the gain is not satisfactory in view of the disadvantages mentioned.

Toutes les solutions de l'art antérieur reposent sur la fermeture et le serrage de la chaussure de sport en rapprochant deux parties 19, 20 de la chaussure par deux organes de liaison positionnés sur chacune des parties et alignés, selon une force de rapprochement exercée sur ces deux parties dans le sens de l'alignement des organes de liaison, en général proche d'une direction sensiblement transversale à l'échancrure de la chaussure. Une telle solution convient bien pour la fermeture de l'échancrure de la chaussure mais n'est pas optimale pour assurer un maintien optimal du pied.All solutions of the prior art are based on the closure and the tightening of the sports shoe by bringing two parts 19, 20 of the shoe together by two connecting members positioned on each of the parts and aligned, according to a closing force exerted on these two parts in the direction of alignment of the connecting members, generally close to a direction substantially transverse to the notch of the shoe. Such a solution is well suited for closing the notch of the shoe but is not optimal to ensure optimal support of the foot.

Ainsi, un objet de la présente invention consiste à proposer un autre dispositif de fermeture et serrage pour chaussure de sport qui améliore le serrage et le maintien du pied dans la chaussure tout en assurant la fermeture de la chaussure.Thus, an object of the present invention is to provide another closure and clamping device for sports shoe that improves the tightening and holding of the foot in the shoe while ensuring the closure of the shoe.

Selon le concept de l'invention, la fermeture et le serrage de la chaussure sont réalisés par des organes de liaison exerçant une composante de force supplémentaire, hors de l'alignement d'au moins un des organes de liaison, cette composante non alignée renforçant une fonction de maintien du pied dans la chaussure.According to the concept of the invention, the closure and tightening of the boot are made by connecting members exerting an additional force component, out of alignment with at least one of the connecting members, this non-aligned component reinforcing a function of maintaining the foot in the shoe.

L'invention est plus précisément définie par les revendications.The invention is more precisely defined by the claims.

Ces objets, caractéristiques et avantages de la présente invention seront exposés en détail dans la description suivante d'un mode d'exécution particulier fait à titre non-limitatif en relation avec les figures jointes parmi lesquelles :

  • La figure 1 est une vue de côté d'une chaussure de ski de l'art antérieur ;
  • La figure 2 illustre un dispositif de fermeture et serrage de l'art antérieur ;
  • La figure 3 représente un dispositif de fermeture et serrage selon un mode d'exécution de l'invention sur une vue partielle du côté d'un collier de chaussure de ski ;
  • La figure 4 illustre une variante de réalisation du dispositif de fermeture et serrage selon l'invention.
These objects, features and advantages of the present invention will be set forth in detail in the following description of a particular embodiment made in a non-limiting manner in relation to the appended figures among which:
  • The figure 1 is a side view of a ski boot of the prior art;
  • The figure 2 illustrates a closure and clamping device of the prior art;
  • The figure 3 represents a closing and clamping device according to an embodiment of the invention in a partial view of the side of a ski boot collar;
  • The figure 4 illustrates an alternative embodiment of the closure and clamping device according to the invention.

La figure 3 illustre une vue partielle d'une chaussure de ski comprenant des dispositifs de fermeture et serrage selon un mode d'exécution de l'invention. Chaque dispositif repose sur deux organes de liaison montés respectivement sur une première partie latérale 19 de la chaussure et sur une seconde partie latérale de la chaussure, constituée par exemple d'un rabat souple 20, disposée au-delà de son échancrure antérieure. Le premier organe de liaison comprend une embase 25, portant un levier de serrage 26 monté mobile en rotation sur l'embase 25 et apte à entraîner un tirant 28 monté sur le levier 26, et lié à une partie terminale 30 de l'organe de liaison dont l'extrémité comprend une tirette de liaison 31. Le second organe de liaison comprend une embase 35 fixée sur la surface d'un rabat 20 par un moyen de fixation 38 de type rivet, une crémaillère 36 comprenant différentes dents 37 aptes à coopérer avec la tirette transversale de liaison 31 et représentant différents degrés de serrage. Avantageusement, les organes de liaison sont fixés sur la chaussure par un moyen de fixation 38 qui empêche leur rotation par rapport à la chaussure de manière à maximiser le mouvement d'orientation du rabat 20 par les efforts exercés par les organes de liaison. Cette fixation peut consister en au moins deux rivets ou un rivet associé à un système complémentaire de blocage de la rotation. La chaussure comprend deux dispositifs de fermeture et serrage au niveau de son collier 2 et au moins un au niveau de sa coque 3, partiellement illustrée. En variante, au moins un des organes de liaison pourrait être mobile en rotation autour du point de fixation 38 pour faciliter son positionnement dans l'alignement du premier organe de liaison pour fermer la chaussure.The figure 3 illustrates a partial view of a ski boot comprising closing and clamping devices according to an embodiment of the invention. Each device is based on two connecting members mounted respectively on a first lateral portion 19 of the boot and on a second lateral portion of the boot, consisting for example of a flexible flap 20, disposed beyond its anterior notch. The first connecting member comprises a base 25, carrying a clamping lever 26 rotatably mounted on the base 25 and adapted to drive a tie rod 28 mounted on the lever 26, and connected to an end portion 30 of the connecting member whose end comprises a link zipper 31. The second connecting member comprises a base 35 fixed on the surface of a flap 20 by a fastening means 38 of the rivet type, a rack 36 comprising different teeth 37 adapted to cooperate with the transverse connection zipper 31 and representing different degrees of clamping. Advantageously, the connecting members are fixed on the boot by a fastening means 38 which prevents their rotation relative to the boot so as to maximize the orientation movement of the flap 20 by the forces exerted by the connecting members. This attachment may consist of at least two rivets or a rivet associated with a complementary system for blocking the rotation. The shoe comprises two devices for closing and clamping at its collar 2 and at least one at its shell 3, partially illustrated. Alternatively, at least one of the connecting members could be rotatable about the point of attachment 38 to facilitate its positioning in alignment with the first connecting member to close the shoe.

Dans une configuration de fermeture de la chaussure, chaque organe de liaison s'aligne selon une direction de fermeture prédéfinie. Lorsque les deux organes de liaison coopèrent dans leur configuration de fermeture de la chaussure, leurs directions de fermeture respectives sont alignées dans ce mode d'exécution. En effet, ils se positionnent selon un alignement représenté par la courbe 18 sur la surface de la chaussure, qui représente la distance la plus courte pour relier les deux organes de liaison depuis leurs embases respectives 25, 35. On note que le tirant 28, son point de liaison avec la partie terminale 30 et le centre de liaison de la crémaillère 36 avec son embase 35 se trouvent notamment alors alignés sur la courbe 18. Les deux branches parallèles 32 de la partie terminale 30 en forme de fourche et les deux faces latérales 39 parallèles de la crémaillère 36 se trouvent positionnées sur une courbe parallèle à la courbe d'alignement 18.In a closure configuration of the boot, each connecting member is aligned in a predefined closing direction. When the two connecting members cooperate in their closure configuration of the shoe, their respective closing directions are aligned in this embodiment. Indeed, they are positioned in an alignment represented by the curve 18 on the surface of the shoe, which represents the shortest distance for connecting the two connecting members from their respective bases 25, 35. It is noted that the tie rod 28, its point of connection with the end portion 30 and the center of connection of the rack 36 with its base 35 are in particular then aligned on the curve 18. The two parallel branches 32 of the end portion 30 fork-shaped and both sides side 39 parallel of the rack 36 are positioned on a curve parallel to the alignment curve 18.

Selon la présente invention, la tirette de liaison 31 du premier organe de liaison est orienté dans une direction c non perpendiculaire aux deux branches parallèles 32 de la partie terminale 30 en forme de fourche. De plus, les dents 37 de la crémaillère 36 ont de même une orientation d non perpendiculaire aux deux faces latérales 39 parallèles de la crémaillère. Ces deux directions c et d sont les mêmes dans la configuration de fermeture de la chaussure, de sorte que la tirette rectiligne 31 vient en parfaite coopération avec les dents 37 de la crémaillère. Grâce à cette géométrie des éléments de liaison 31, 37 des organes de liaison, la tirette 31 exerce une force F sur la dent choisie 37 perpendiculaire aux directions c, d et donc non parallèle à la tangente à la courbe 38.According to the present invention, the connecting tab 31 of the first connecting member is oriented in a direction c not perpendicular to the two parallel branches 32 of the end portion 30 in the form of a fork. In addition, the teeth 37 of the rack 36 likewise have an orientation d not perpendicular to the two parallel side faces 39 of the rack. These two directions c and d are the same in the closure configuration of the shoe, so that the straight pull tab 31 comes in perfect cooperation with the teeth 37 of the rack. Thanks to this geometry of the connecting elements 31, 37 of the connecting members, the pull tab 31 exerts a force F on the selected tooth 37 perpendicular to the directions c, d and therefore not parallel to the tangent to the curve 38.

De préférence, l'orientation des éléments de liaison 31, 37 est choisie pour que cette force F présente une composante vers le bas au niveau du collier et vers l'arrière au niveau de la coque. Cette force est naturellement transmise à la structure de la chaussure puis au pied de l'utilisateur. Cette composante de force non alignée avec le reste des organes de liaison permet ainsi d'ajouter un effet supplémentaire de maintien du pied dans la chaussure. Au niveau du collier, la chaussure exerce une force qui pousse le bas de jambe vers le sol, améliorant ainsi le maintien du talon au fond de la chaussure et évitant son soulèvement. Au niveau de la coque, la chaussure exerce une force qui pousse le cou de pied vers l'arrière, améliorant ainsi de même le maintien du talon au fond de la chaussure en évitant son avancée.Preferably, the orientation of the connecting elements 31, 37 is chosen so that this force F has a component downwardly at the collar and backward at the shell. This force is naturally transmitted to the structure of the shoe and the foot of the user. This component of force not aligned with the rest of the connecting members thus makes it possible to add an additional effect of maintaining the foot in the shoe. At the collar, the shoe exerts a force that pushes the lower leg to the ground, thus improving the maintenance of the heel at the bottom of the shoe and avoiding its lifting. At the hull, the shoe exerts a force that pushes the instep backwards, thereby improving the maintenance of the heel at the bottom of the shoe by avoiding its advance.

Naturellement, l'angle des dents 37 et de la tirette 31 est choisi en fonction de la répartition souhaitée de la force de serrage entre sa composante traditionnelle de fermeture de l'échancrure et sa nouvelle composante d'amélioration du maintien du pied. Ainsi, différentes géométries pourront être choisies sans sortir du cadre de l'invention. On note qu'un angle de 5 à 10 degrés entre les directions c et d de ces éléments et la direction d'alignement 18 des organes de liaison représente une solution avantageuse.Naturally, the angle of the teeth 37 and the pull tab 31 is chosen according to the desired distribution of the clamping force between its component traditional closure of the notch and its new component of improving the maintenance of the foot. Thus, different geometries can be chosen without departing from the scope of the invention. It is noted that an angle of 5 to 10 degrees between the directions c and d of these elements and the alignment direction 18 of the connecting members represents an advantageous solution.

Bien entendu, le concept de l'invention peut être implémenté avec d'autres géométries des organes de liaison, et notamment des éléments de liaison 31, 37. La figure 4 illustre une variante possible des organes de liaison, qui diffère essentiellement par la forme des éléments de liaison 31', 37'. Le premier organe de liaison comprend ainsi un élément de liaison sous la forme d'une tirette courbée 31', disposée entre deux branches 32' de forme plus complexe et non totalement parallèles. Le second organe de liaison présente une crémaillère dont les éléments de liaison sont des picots en forme de champignon 37'. La coopération entre les éléments de liaison 31' et 37' se fait selon une courbe dont la tangente c' n'est pas perpendiculaire à la courbe d'alignement 18. Ainsi, ces éléments exercent une force F perpendiculaire à cette tangente c', non alignée avec la courbe d'alignement 18 des organes de liaison, afin d'obtenir le même effet technique que dans le mode d'exécution représenté ci-dessus.Of course, the concept of the invention can be implemented with other geometries of the connecting members, and in particular connecting elements 31, 37. figure 4 illustrates a possible variant of the connecting members, which differs essentially in the shape of the connecting elements 31 ', 37'. The first connecting member thus comprises a connecting element in the form of a curved zipper 31 'disposed between two branches 32' of more complex shape and not completely parallel. The second connecting member has a rack whose connecting elements are mushroom-shaped pins 37 '. The cooperation between the connecting elements 31 'and 37' is in a curve whose tangent c 'is not perpendicular to the alignment curve 18. Thus, these elements exert a force F perpendicular to this tangent c', not aligned with the alignment curve 18 of the connecting members, to achieve the same technical effect as in the embodiment shown above.

Enfin, dans le prolongement de la variante illustrée sur la figure 4, toute autre variante de réalisation est possible, non représentée, dans laquelle un seul des deux éléments de liaison présenterait une inclinaison alors que le second élément de liaison présenterait une géométrie habituelle.Finally, as an extension of the variant illustrated on the figure 4 any other alternative embodiment is possible, not shown, in which only one of the two connecting elements would have an inclination while the second connecting element would have a usual geometry.

Dans cette optique, une première solution est par exemple possible sur la base d'un premier organe de liaison avec tirette 31, présentant une géométrie proche de celle illustrée sur la figure 3, associé à un second organe de liaison habituel, tel que la crémaillère illustrée sur la figure 2. Une telle réalisation est implémentée sur une chaussure en positionnant le premier organe de liaison comme représenté sur la figure 3 et le second organe de liaison sur le rabat 20, ces deux organes de liaison étant liés à la chaussure par au moins deux rivets pour empêcher leur rotation relativement à la surface de la chaussure. Dans une configuration de fermeture entre ces organes de liaison, la tirette exerce une force sur la dent de la crémaillère correspondante de sorte que cette dernière prend une orientation parallèle à la tirette, entraînant par ce biais un mouvement combinant une traction et une rotation du rabat 20 sur lequel la crémaillère est fixée. Les deux organes de liaison atteignent ainsi une configuration de fermeture dans laquelle ils occupent chacun leur direction de fermeture respective, ces directions n'étant plus alignées dans ce mode d'exécution mais présentant un angle correspondant à l'angle d'inclinaison de la tirette par rapport à la direction du premier organe de liaison. Dans cette configuration, les deux organes de liaison se positionnent toutefois toujours selon la trajectoire la plus courte sur la chaussure permettant de présenter cet angle. Comme cet angle est faible, par exemple de 5 degrés, les organes de liaison restent quasi alignés. Afin d'accentuer l'effet des organes de liaison, outre la possibilité de modifier l'angle d'inclinaison du premier élément de liaison, il est possible de décaler en hauteur le positionnement du second organe de liaison, vers le haut ou le bas selon l'effet souhaité. Dans une solution où le second organe de liaison, positionné sur le rabat 20, est plus haut que le premier, la tirette 31 exerce une force induisant une rotation plus forte vers le bas du rabat 20, contribuant à mieux maintenir le pied au fond de la chaussure.In this context, a first solution is for example possible on the basis of a first connecting member with zipper 31, having a geometry similar to that illustrated on the drawing. figure 3 , associated with a second usual liaison body, such as the rack illustrated on the figure 2 . Such an embodiment is implemented on a shoe by positioning the first link member as shown in FIG. figure 3 and the second connecting member on the flap 20, these two connecting members being connected to the shoe by at least two rivets to prevent their rotation relative to the surface of the shoe. In a configuration of closure between these connecting members, the zipper exerts a force on the tooth of the corresponding rack so that the latter takes an orientation parallel to the pull tab, thereby causing a movement combining a pull and a rotation of the flap 20 on which the rack is fixed. The two connecting members thus achieve a closure configuration in which they each occupy their respective closing direction, these directions being no longer aligned in this embodiment but having an angle corresponding to the angle of inclination of the zipper relative to the direction of the first link member. In this configuration, however, the two connecting members always position themselves according to the shortest path on the shoe to present this angle. As this angle is small, for example 5 degrees, the connecting members remain almost aligned. In order to accentuate the effect of the connecting members, in addition to the possibility of modifying the inclination angle of the first connecting element, it is possible to shift the positioning of the second connecting member upwards or downwards in height, upwards or downwards. depending on the desired effect. In a solution where the second connecting member, positioned on the flap 20, is higher than the first, the pull tab 31 exerts a force inducing a stronger rotation downwardly of the flap 20, helping to better maintain the foot at the bottom of the the shoe.

Une seconde solution pourrait consister à associer un premier organe de liaison avec tirette habituel comme celui illustré sur la figure avec un second organe de type crémaillère tel qu'illustré sur la figure 3. L'effet technique sera équivalent à celui obtenu précédemment.A second solution could consist in associating a first connecting member with a usual pull tab like that illustrated in the figure with a second rack-type member as illustrated on the figure 3 . The technical effect will be equivalent to that obtained previously.

Ainsi, il ressort finalement que le résultat recherché peut être obtenu en prévoyant qu'au moins un des organes de liaison présente un élément de liaison de géométrie telle que sa tangente à un élément de liaison complémentaire ne soit pas perpendiculaire à la direction de fermeture de l'organe de liaison, définie dans sa configuration de fermeture et serrage sur la surface d'une chaussure. Cette solution apporte une amélioration quelle que soit d'ailleurs la direction de fermeture des organes de liaison sur la surface de la chaussure.Thus, it finally appears that the desired result can be obtained by providing that at least one of the connecting members has a connecting element of geometry such that its tangent to a complementary connecting element is not perpendicular to the closing direction of the connecting member, defined in its closure configuration and clamping on the surface of a shoe. This solution provides an improvement regardless of the direction of closure of the connecting members on the surface of the shoe.

Enfin, selon une autre variante de réalisation non représentée, il est possible de prévoir un même organe de liaison présentant plusieurs éléments de liaison potentiels, comme une crémaillère avec plusieurs dents, et dans lequel les différents éléments de liaison ne présentent pas tous la même orientation. Une telle solution peut permettre de moduler l'effet de l'invention en fonction du serrage effectué.Finally, according to another variant embodiment not shown, it is possible to provide the same connecting member having a plurality of potential connection elements, such as a rack with several teeth, and in which the different connecting elements do not all have the same orientation . Such a solution can be used to modulate the effect of the invention as a function of the tightening performed.

Cette solution présente donc les avantages suivants :

  • elle est simple et ne nécessite que peu de changement par rapport à l'art antérieur ;
  • la fermeture de la chaussure est toujours bien assurée par deux éléments exerçant une force transversale à l'échancrure de la chaussure permettant le rapprochement des deux rabats opposés autour de l'échancrure de la chaussure ;
  • l'encombrement du dispositif est limité, la mise en oeuvre de l'invention n'ayant aucun impact sur l'encombrement ;
  • le dispositif de fermeture et serrage exerce de plus une autre composante de force dans une autre direction que celle des organes de liaison de sorte que le pied est mieux maintenu dans la chaussure, à serrage égal avec une solution de l'art antérieur.
This solution therefore has the following advantages:
  • it is simple and requires little change compared to the prior art;
  • the closure of the shoe is always well ensured by two elements exerting a transverse force to the indentation of the shoe allowing the bringing together of the two opposite flaps around the notch of the shoe;
  • the size of the device is limited, the implementation of the invention having no impact on the size;
  • the closing and tightening device also exerts another force component in a direction other than that of the binding so that the foot is better maintained in the shoe, clamping equal with a solution of the prior art.

La solution de dispositif de fermeture et serrage de l'invention a été illustrée dans le cadre d'une chaussure de ski mais pourrait être implémentée sur toute chaussure de sport, relativement rigide et nécessitant un serrage important.The closure and clamping device solution of the invention has been illustrated in the context of a ski boot but could be implemented on any sports shoe, relatively rigid and requiring significant tightening.

Claims (8)

  1. A connecting member for a sports boot closure and tightening device (4), comprising a base (25, 35) adapted to be fixed on the surface of the sports boot and a connecting element (31, 37) adapted for cooperation with a second connecting member, characterized in that the connecting element (31, 37) has a geometry such that its tangent (c, d; c') to the zone where it connects with a second connecting element of the second connecting member is not perpendicular to the closure direction of the connecting member in the configuration in which it closes and tightens the sports boot.
  2. The connecting member for a sports boot closure and tightening device (4) as claimed in claim 1, characterized in that it comprises a lever (26) movably mounted in rotation on the base (25) and connected to an end part (30) by a tie-rod (28), the end part (30) comprising the connecting element (31; 31').
  3. The connecting member for a sports boot closure and tightening device (4) as claimed in claim 2, characterized in that the connecting element is a straight tie-rod (31) arranged in a direction not perpendicular to the closure direction of the connecting member in the configuration in which it closes and tightens the sports boot, corresponding to the direction of the tie-rod (28).
  4. The connecting member for a sports boot closure and tightening device (4) as claimed in claim 2, characterized in that the connecting element (31') has a curved shape.
  5. The connecting member for a sports boot closure and tightening device (4) as claimed in claim 1, characterized in that it comprises a ratchet (36) with straight teeth (37) having an orientation not perpendicular to the closure direction of the ratchet in the configuration in which it closes and tightens the sports boot.
  6. A sports boot comprising a first connecting member mounted on a first lateral part (19) of the sport boot and a second connecting member mounted on a second part (20) of the sport boot, positioned beyond a notch, the connecting members each comprising a connecting element (31, 37; 31', 37') in order to close and tighten the sport boot by bringing the two parts (19, 20) together, characterized in that at least one of the connecting members is according to one of claims 1 to 5.
  7. The sports boot as claimed in claim 6, characterized in that it comprises a locking device at the level of its cuff (2), which exerts a tightening force that comprises a component not aligned with the closure direction of at least one connecting member but does have a downward component.
  8. The sports boot as claimed in claim 6, characterized in that it comprises a closure and tightening device at the level of its shell (3), which exerts a tightening force that comprises a component not aligned with the closure direction of at least one connecting member but does have a component toward the rear of the boot.
EP07425144.8A 2007-03-13 2007-03-13 Device for fastening and tightening a sports shoe Active EP1969956B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP07425144.8A EP1969956B1 (en) 2007-03-13 2007-03-13 Device for fastening and tightening a sports shoe
US12/044,421 US8458860B2 (en) 2007-03-13 2008-03-07 Closure and tightening device for a sports boot

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07425144.8A EP1969956B1 (en) 2007-03-13 2007-03-13 Device for fastening and tightening a sports shoe

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EP1969956A1 EP1969956A1 (en) 2008-09-17
EP1969956B1 true EP1969956B1 (en) 2014-12-31

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ITUB20150253A1 (en) * 2015-02-16 2016-08-16 Tecnica Group Spa LOCKING DEVICE FOR A SPORTS SHOE

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EP1969956A1 (en) 2008-09-17
US20080222923A1 (en) 2008-09-18
US8458860B2 (en) 2013-06-11

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