EP2486817B1 - Sports footwear with hinged cuff for a walking position - Google Patents

Sports footwear with hinged cuff for a walking position Download PDF

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Publication number
EP2486817B1
EP2486817B1 EP11425022.8A EP11425022A EP2486817B1 EP 2486817 B1 EP2486817 B1 EP 2486817B1 EP 11425022 A EP11425022 A EP 11425022A EP 2486817 B1 EP2486817 B1 EP 2486817B1
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EP
European Patent Office
Prior art keywords
locking
lever
rocker
unlocking device
unlocking
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
EP11425022.8A
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German (de)
French (fr)
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EP2486817A1 (en
Inventor
Paolo Sartor
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
Original Assignee
Rossignol Lange SRL
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 Rossignol Lange SRL filed Critical Rossignol Lange SRL
Priority to EP11425022.8A priority Critical patent/EP2486817B1/en
Priority to US13/365,720 priority patent/US9770063B2/en
Publication of EP2486817A1 publication Critical patent/EP2486817A1/en
Application granted granted Critical
Publication of EP2486817B1 publication Critical patent/EP2486817B1/en
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Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/047—Ski or like boots characterised by type or construction details provided with means to improve walking with the skiboot
    • A43B5/0474—Ski or like boots characterised by type or construction details provided with means to improve walking with the skiboot having a walk/ski position
    • 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
    • Y10T403/00—Joints and connections
    • Y10T403/32—Articulated members
    • Y10T403/32254—Lockable at fixed position

Definitions

  • the invention relates to a sports shoe in the form of a rigid rod consisting of a collar articulated on a shell surrounding the foot, provided with a locking device or locking the collar on the shell to lock or block the collar relative to the hull in a first sporting position, and to unlock the collar relative to the hull and to increase its range of motion relative to the hull in a second position outside the sport practice for example, to facilitate footwear and walking.
  • the invention also relates to a device for locking and unlocking a collar on a shell as such for a sports shoe.
  • the locking device of the collar on the shell rests on a rocker positioned on the collar and cooperating with an abutment of the hull, the operation of which is controlled by an opening buckle of the boot via a connecting cable.
  • the skier wishes to rest or walk, he unhooks the buckle of the boot, which has the effect of releasing the traction of the cable, which induces a change of position of the rocker under the effect of a spring, in order to unlock the collar and allow it to rotate to a position close to the vertical, suitable for walking, a rest position and the boot and release of the shoe.
  • the document EP2070433 discloses another solution which is based on a rocker rotatably mounted on the boot around a first pivot, which can be actuated by a lever rotatably mounted relative to the rocker around a second pivot, and which cooperates with the boot by a cam surface so as to cause the rocker to rotate to change or not its positioning, and reach the two positions of locking or unlocking the shoe.
  • This solution has the disadvantage of being complex because it requires many pieces arranged in a complex manner, necessarily requiring two axes of rotation.
  • the document EP 0 940 096 A2 discloses a locking and unlocking device for forming an interface between the shell and the collar of a sports boot, comprising a rocker movable in rotation about an axis, a lever movable in rotation and comprising a part forming an arm of actuation, and an elastic element connected to the lever.
  • a general object of the present invention is a locking / unlocking solution of the collar on the shell of a sports shoe does not have the disadvantages of the prior art.
  • a first object of the present invention is a locking / unlocking solution of the collar on the shell of a sports shoe whose operation is efficient.
  • a second object of the present invention is a locking / unlocking solution of the collar on the shell of a sports shoe whose mechanism is simple, compact and inexpensive.
  • the invention is based on a solution combining a rocker and a lever, on which acts an elastic element.
  • the invention will be described in application with a ski boot. It could, however, apply to any sports shoe rigid rod, ie a rod, comprising a mobile collar relative to a shell, and substantially in a material at least as rigid as a polyurethane 40 hardness shD.
  • the figure 1 represents a ski boot according to the embodiment of the invention, which comprises a collar 2 mounted to rotate with respect to a shell 1 about an axis 3. On the other hand, it comprises in its rear part a device locking / unlocking device 10, shown enlarged on the figure 1 to make it easier to understand and especially figure 2 , comprising a rocker 11 that can cooperate with a stop 4 of the shell 1.
  • locking position In a first position called “locking position", the rocker 11 is held in abutment against the surface of the shoe and comes in cooperation with the abutment 4 of the shell, thus preventing any rearward rotation of the collar 2 relative to the shell 1
  • This locking or locking position of the collar of the shoe is provided for the practice of skiing.
  • unlocking position In a second position called “unlocking position", the rocker 11 is kept away from the surface of the boot and no longer bears against the stop 4, thus allowing a greater rotation. amplitude of the collar 2 relative to the shell 1, including a tilt backwards. This unlocking position of the boot is especially provided for walking.
  • the figures 2 and 3 illustrate the locking and unlocking device 10 of the boot according to the embodiment, in a locking position. It comprises a base 12 for attachment to the shoe. In this embodiment, the base 12 is fixed on the collar 2 of the shoe. A rocker 11 is rotatably mounted about an axis 13, fixed on this base 12 and positioned in the upper part of the rocker. The axis 13 is substantially parallel to the base 12, that is to the surface of the shoe. The rocker 11 further comprises a surface 14 towards its lower end, intended to cooperate with the abutment 4 of the shoe to implement the locking function.
  • a lever 15 is rotatably mounted about the same axis 13.
  • a linear spring 16 working in compression comprises a first end fixed to the base 12 or simply resting in a housing of the base 12 and a second end attached to the lever 15.
  • a cover 17 covers a part of the device, in particular the spring 16, to protect it from external aggressions and at the same time bring an attractive aesthetic appearance to the device.
  • the figure 4 illustrates an intermediate configuration of this unlocking phase, in which an excrescence 18 of the lever 15, on which the spring 16 is moreover fixed, bears on an upper surface 19 of the lever 11. From this position, the continued rotation of the lever 15 induces a thrust on the rocker 11 at the contact between the protrusion 18 and the upper surface 19 of the rocker 11, which causes the rotation of the rocker 11 about the axis 13, until to remove it from the wall of the shoe as shown on the figure 5 which corresponds to the unlocked position of the device.
  • This unlocking phase thus comprises a rotation of the lever 15 at an angle slightly greater than 90 degrees, until it abuts the hood 17.
  • the spring 16 exerts a force which assists the user in unlocking the locking and unlocking device, or even suffices for this actuation which becomes automatic and no longer requires the intervention of the user.
  • the transition from the unlocked position to the locked position requires the lever 15 to be actuated in rotation in the other direction.
  • a user In a first phase, a user must exert a force to overcome the opposite force exerted by the spring 16, which tends to keep the lever in the unlocking position, which is therefore a stable position. Beyond a limit angle, the force exerted by the spring 16 tends to the rotation of the lever 15 to the locking position, and assists the user or replaces it by allowing the automatic or semi-automatic rotation of the lever 15 .
  • the figure 6 represents an intermediate phase of this rotation, in which a surface 21 of the lever comes into contact with a surface 22 of the rocker 11, so as to exert a thrust force on the rocker which causes its rotation to its locking position illustrated on the figure 3 .
  • this device allows partial decoupling of the lever 15 and the rocker 11.
  • the lever 15 in each initial phase of actuation of the lever 15, from one of the two stable positions, it is actuated in rotation independently of the rocker 11, without any effect on the rocker 11.
  • the device thus makes it possible to separate the actuation of the lever 15 of the blocking function of the boot directly implemented by the rocker.
  • the actuating lever 15 is at least partially free of movement relative to the rocker, so that the actuating force of this lever is independent of any forces exerted by the boot on the rocker.
  • the spring 16 exerts a force on the device and allows its automatic positioning in the desired configuration, possibly with a delay in its final configuration if the relative position of the collar relative to the hull of the boot momentarily prevents the rocker locking and unlocking device to reach its final position.
  • this situation can occur for example if in the unlocking phase, the collar is positioned too far back and exerts a pressing force on the rocker preventing its rotation, because of its friction on the shell which does not not allow to escape to its stop position.
  • the rocker 11 immediately reaches its unlocked final position separated from the hull, represented on the figure 5 under the effect of the stress exerted by the spring.
  • the spring thus allows the locking and unlocking device to occupy two stable positions, as explained above. Its action on the lever represents a knee-type system.
  • the locking and unlocking device can operate differently, be fixed on the shell and abut on the collar to fulfill the locking function, inversely with respect to the embodiment shown in FIG. figure 1 .
  • the spring may have any other orientation than that illustrated, for which it has a variable inclination between the two end positions of the device which remains less than 30 degrees relative to a vertical direction. It could for example approach a horizontal direction, have a variable inclination but less than 30 degrees from a horizontal direction. Finally, it could occupy any inclination relative to the base or the shoe, and any range of motion between the locked and unlocked positions of the device less than 30 degrees.
  • its intrinsic properties as well as its compression in the locked position are defined to obtain a good compromise between the stability of the locked and unlocked positions and the manual effort necessary to change position.
  • this linear compression spring could also occupy a curved configuration under the significant compressive force that it undergoes, without modifying the operation explained above.
  • this spring could work in tension between a fixed connection with the shoe, possibly via a base, and a connection with the lever of the device.
  • it is possible to set up an adjustment of the force required to manipulate the lever by moving by any means the end of the spring fixed on the base.
  • the spring can be replaced by any equivalent elastic element, such as a torsion spring, an elastic bending blade, a flexible element and elastic for example viscoelastic material which works in compression.
  • the lever has been shown to comprise a first substantially cylindrical portion about an axis of rotation, comprising a spring attachment member and a bearing surface on the rocker, and a second elongate portion forming an arm portion. manual operation.
  • this arm can be greatly reduced, or even eliminated in an embodiment that does not form part of the invention, to reduce the overall size of the assembly.
  • a simple string or cable or strap or any flexible element can be fixed on the lever to allow its rotation by simply pulling this flexible element.
  • a screwdriver type tool can be used for rotation of the lever.
  • lever and the base have been described as rotatable about the same axis, which is a simple solution. However, alternatively, they can be rotatable along two distinct axes.
  • the locking and unlocking device can be further simplified, by removing its base for example and fixing the components directly on the shoe.
  • the hood can also be removed.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

L'invention concerne une chaussure de sport se présentant sous la forme d'une tige rigide composée d'un collier articulé sur une coque entourant le pied, munie d'un dispositif de verrouillage ou blocage du collier sur la coque pour verrouiller ou bloquer le collier par rapport à la coque dans une première position de pratique du sport, et pour déverrouiller le collier par rapport à la coque et permettre d'augmenter son amplitude de mouvement par rapport à la coque dans une seconde position en dehors de la pratique du sport, par exemple pour faciliter le chaussage et la marche. L'invention porte aussi sur un dispositif de verrouillage et déverrouillage d'un collier sur une coque en tant que tel pour une chaussure de sport.The invention relates to a sports shoe in the form of a rigid rod consisting of a collar articulated on a shell surrounding the foot, provided with a locking device or locking the collar on the shell to lock or block the collar relative to the hull in a first sporting position, and to unlock the collar relative to the hull and to increase its range of motion relative to the hull in a second position outside the sport practice for example, to facilitate footwear and walking. The invention also relates to a device for locking and unlocking a collar on a shell as such for a sports shoe.

Le document FR2661076 présente différentes solutions de l'état de la technique de tels dispositifs de verrouillage appliqués aux chaussures de ski.The document FR2661076 presents various solutions of the state of the art of such locking devices applied to ski boots.

Selon une première solution, le dispositif de verrouillage du collier sur la coque repose sur une bascule positionnée sur le collier et coopérant avec une butée de la coque, dont le fonctionnement est commandé par une boucle d'ouverture de la chaussure par l'intermédiaire d'un câble de liaison. Lorsque le skieur désire se reposer ou marcher, il décroche la boucle de la chaussure, ce qui a pour effet de relâcher la traction du câble, qui induit un changement de position de la bascule sous l'effet notamment d'un ressort, afin de déverrouiller le collier et lui permettre une rotation jusqu'à une position proche de la verticale, propice à la marche, à une position de repos et au chaussage et déchaussage de la chaussure.According to a first solution, the locking device of the collar on the shell rests on a rocker positioned on the collar and cooperating with an abutment of the hull, the operation of which is controlled by an opening buckle of the boot via a connecting cable. When the skier wishes to rest or walk, he unhooks the buckle of the boot, which has the effect of releasing the traction of the cable, which induces a change of position of the rocker under the effect of a spring, in order to unlock the collar and allow it to rotate to a position close to the vertical, suitable for walking, a rest position and the boot and release of the shoe.

L'inconvénient de cette solution provient du fait que le déverrouillage du collier repose sur un relâchement du câble, qui a souvent un effet insuffisant pour la mise en action du déverrouillage. Le skieur doit parfois assister manuellement le mécanisme en forçant sur la chaussure pour atteindre la position déverrouillée. D'autre part, les mécanismes existants sont complexes et coûteux, et ne permettent pas de bien transformer la course importante du câble en une petite course de la bascule. Pour toutes ces raisons, cette première solution ne convient pas.The disadvantage of this solution is that the unlocking of the collar rests on a loosening of the cable, which often has an effect insufficient to activate the unlocking. The skier must sometimes manually assist the mechanism by forcing on the shoe to reach the unlocked position. On the other hand, the existing mechanisms are complex and expensive, and do not make it possible to properly transform the major cable race in a small race of the rocker. For all these reasons, this first solution is not suitable.

Le document EP2070433 décrit une autre solution qui repose sur un basculeur monté en rotation sur la chaussure autour d'un premier pivot, qui peut être actionné par un levier monté en rotation par rapport au basculeur autour d'un deuxième pivot, et qui coopère avec la chaussure par une surface de came de sorte d'entraîner le basculeur en rotation pour modifier ou non son positionnement, et atteindre les deux positions de verrouillage ou de déverrouillage de la chaussure. Cette solution présente l'inconvénient d'être complexe car elle nécessite de nombreuses pièces agencées de manière complexe, nécessitant obligatoirement deux axes de rotation. D'autre part, son actionnement manuel est peu convivial puisqu'il faut exercer un effort variable selon la position relative du collier, effort qui peut être très important si le collier est incliné vers l'arrière et s'oppose à la libération du basculeur.The document EP2070433 discloses another solution which is based on a rocker rotatably mounted on the boot around a first pivot, which can be actuated by a lever rotatably mounted relative to the rocker around a second pivot, and which cooperates with the boot by a cam surface so as to cause the rocker to rotate to change or not its positioning, and reach the two positions of locking or unlocking the shoe. This solution has the disadvantage of being complex because it requires many pieces arranged in a complex manner, necessarily requiring two axes of rotation. On the other hand, its manual actuation is not very user-friendly since it is necessary to exert a variable force according to the relative position of the collar, a force that can be very important if the collar is inclined towards the rear and opposes the release of the rocker. .

Le document EP 0 940 096 A2 décrit un dispositif de verrouillage et déverrouillage pour former une interface entre la coque et le collier d'une chaussure de sport, comprenant une bascule mobile en rotation autour d'un axe, un levier mobile en rotation et comprenant une partie formant un bras d'actionnement, et un élément élastique lié au levier.The document EP 0 940 096 A2 discloses a locking and unlocking device for forming an interface between the shell and the collar of a sports boot, comprising a rocker movable in rotation about an axis, a lever movable in rotation and comprising a part forming an arm of actuation, and an elastic element connected to the lever.

Un objet général de la présente invention consiste en une solution de verrouillage/déverrouillage du collier sur la coque d'une chaussure de sport ne présentant pas les inconvénients de l'art antérieur.A general object of the present invention is a locking / unlocking solution of the collar on the shell of a sports shoe does not have the disadvantages of the prior art.

Plus précisément, un premier objet de la présente invention consiste en une solution de verrouillage/déverrouillage du collier sur la coque d'une chaussure de sport dont le fonctionnement est performant.More specifically, a first object of the present invention is a locking / unlocking solution of the collar on the shell of a sports shoe whose operation is efficient.

Un second objet de la présente invention consiste en une solution de verrouillage/déverrouillage du collier sur la coque d'une chaussure de sport dont le mécanisme est simple, peu encombrant et peu coûteux.A second object of the present invention is a locking / unlocking solution of the collar on the shell of a sports shoe whose mechanism is simple, compact and inexpensive.

L'invention repose sur une solution combinant une bascule et un levier, sur lequel agit un élément élastique.The invention is based on a solution combining a rocker and a lever, on which acts an elastic element.

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 de réalisation 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 intégrant un dispositif de verrouillage et déverrouillage dans une position verrouillée selon un mode de réalisation de l'invention.
  • La figure 2 est une vue en perspective du dispositif de verrouillage et déverrouillage dans une position verrouillée selon le mode de réalisation de l'invention.
  • La figure 3 est une vue de côté du dispositif de verrouillage et déverrouillage dans une position verrouillée selon le mode de réalisation de l'invention.
  • La figure 4 est une vue de côté du dispositif de verrouillage et déverrouillage dans une position intermédiaire de déverrouillage selon le mode de réalisation de l'invention.
  • La figure 5 est une vue de côté du dispositif de verrouillage et déverrouillage dans une position déverrouillée selon le mode de réalisation de l'invention.
  • La figure 6 est une vue de côté du dispositif de verrouillage et déverrouillage dans une position intermédiaire de verrouillage selon le mode de réalisation de 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 incorporating a locking and unlocking device in a locked position according to one embodiment of the invention.
  • The figure 2 is a perspective view of the locking and unlocking device in a locked position according to the embodiment of the invention.
  • The figure 3 is a side view of the locking and unlocking device in a locked position according to the embodiment of the invention.
  • The figure 4 is a side view of the locking and unlocking device in an intermediate unlocking position according to the embodiment of the invention.
  • The figure 5 is a side view of the locking and unlocking device in an unlocked position according to the embodiment of the invention.
  • The figure 6 is a side view of the locking and unlocking device in an intermediate locking position according to the embodiment of the invention.

L'invention va être décrite en application avec une chaussure de ski. Elle pourrait toutefois s'appliquer à toute chaussure de sport à tige rigide, c'est à dire une tige, comprenant un collier mobile par rapport à une coque, et substantiellement dans un matériau au moins aussi rigide qu'un polyuréthane de dureté de 40 shD.The invention will be described in application with a ski boot. It could, however, apply to any sports shoe rigid rod, ie a rod, comprising a mobile collar relative to a shell, and substantially in a material at least as rigid as a polyurethane 40 hardness shD.

La figure 1 représente une chaussure de ski selon le mode de réalisation de l'invention, qui comprend un collier 2 monté mobile en rotation par rapport à une coque 1 autour d'un axe 3. D'autre part, elle comprend dans sa partie arrière un dispositif de verrouillage/déverrouillage 10, représenté grossi sur la figure 1 pour faciliter sa compréhension et plus particulièrement visible sur la figure 2, comprenant une bascule 11 pouvant coopérer avec une butée 4 de la coque 1.The figure 1 represents a ski boot according to the embodiment of the invention, which comprises a collar 2 mounted to rotate with respect to a shell 1 about an axis 3. On the other hand, it comprises in its rear part a device locking / unlocking device 10, shown enlarged on the figure 1 to make it easier to understand and especially figure 2 , comprising a rocker 11 that can cooperate with a stop 4 of the shell 1.

Dans une première position dite « position de verrouillage », la bascule 11 est maintenue en appui contre la surface de la chaussure et vient en coopération avec la butée 4 de la coque, empêchant ainsi toute rotation arrière du collier 2 par rapport à la coque 1. Cette position de verrouillage ou blocage du collier de la chaussure est prévue pour la pratique du ski.In a first position called "locking position", the rocker 11 is held in abutment against the surface of the shoe and comes in cooperation with the abutment 4 of the shell, thus preventing any rearward rotation of the collar 2 relative to the shell 1 This locking or locking position of the collar of the shoe is provided for the practice of skiing.

Dans une seconde position dite « position de déverrouillage », la bascule 11 est maintenue écartée de la surface de la chaussure et ne vient plus en appui sur la butée 4, permettant ainsi une rotation de plus grande amplitude du collier 2 par rapport à la coque 1, notamment une inclinaison vers l'arrière. Cette position de déverrouillage de la chaussure est notamment prévue pour la marche.In a second position called "unlocking position", the rocker 11 is kept away from the surface of the boot and no longer bears against the stop 4, thus allowing a greater rotation. amplitude of the collar 2 relative to the shell 1, including a tilt backwards. This unlocking position of the boot is especially provided for walking.

Les figures 2 et 3 illustrent le dispositif de verrouillage et déverrouillage 10 de la chaussure selon le mode de réalisation, dans une position de verrouillage. Il comprend une embase 12 destinée à une fixation sur la chaussure. Dans ce mode de réalisation, l'embase 12 est fixée sur le collier 2 de la chaussure. Une bascule 11 est montée mobile en rotation autour d'un axe 13, fixé sur cette embase 12 et positionné dans la partie supérieure de la bascule. L'axe 13 est sensiblement parallèle à l'embase 12, soit à la surface de la chaussure. La bascule 11 comprend de plus une surface 14 vers son extrémité inférieure, destinée à coopérer avec la butée 4 de la chaussure pour mettre en oeuvre la fonction de verrouillage.The figures 2 and 3 illustrate the locking and unlocking device 10 of the boot according to the embodiment, in a locking position. It comprises a base 12 for attachment to the shoe. In this embodiment, the base 12 is fixed on the collar 2 of the shoe. A rocker 11 is rotatably mounted about an axis 13, fixed on this base 12 and positioned in the upper part of the rocker. The axis 13 is substantially parallel to the base 12, that is to the surface of the shoe. The rocker 11 further comprises a surface 14 towards its lower end, intended to cooperate with the abutment 4 of the shoe to implement the locking function.

D'autre part, un levier 15 est monté mobile en rotation autour du même axe 13. Enfin, un ressort 16 linéaire travaillant en compression comprend une première extrémité fixée sur l'embase 12 ou simplement en appui dans un logement de l'embase 12 et une seconde extrémité fixée sur le levier 15. Un capot 17 recouvre une partie du dispositif, notamment le ressort 16, pour le protéger des agressions extérieures et dans le même temps apporter un aspect esthétique attractif au dispositif.On the other hand, a lever 15 is rotatably mounted about the same axis 13. Finally, a linear spring 16 working in compression comprises a first end fixed to the base 12 or simply resting in a housing of the base 12 and a second end attached to the lever 15. A cover 17 covers a part of the device, in particular the spring 16, to protect it from external aggressions and at the same time bring an attractive aesthetic appearance to the device.

Le fonctionnement de ce dispositif de verrouillage et déverrouillage 10 de la chaussure va maintenant être expliqué.The operation of this locking and unlocking device 10 of the shoe will now be explained.

Dans la position de verrouillage, la surface 14 de la bascule 11 reste en appui contre la butée 4 de la coque et empêche toute rotation arrière du collier 2. Pour modifier la configuration du dispositif de verrouillage déverrouillage, un utilisateur saisit le levier 15 et l'entraîne en rotation autour de l'axe 13 dans une direction l'écartant de la surface de la chaussure.In the locking position, the surface 14 of the rocker 11 remains in abutment against the abutment 4 of the shell and prevents any rearward rotation of the collar 2. To modify the configuration of the unlocking locking device, a user grasps the lever 15 and the 'rotates around the axis 13 in a direction away from the surface of the shoe.

Dans une première phase de cette rotation, l'utilisateur doit vaincre l'effort contraire exercé par le ressort 16, représenté par la flèche Pv (Pression de verrouillage), qui agit sur le levier pour tendre à sa rotation dans le sens représenté par la flèche Rv (Rotation de verrouillage), c'est-à-dire qui tend à maintenir le levier 15 dans sa position initiale verrouillée, qui est de ce fait une position stable. Au-delà d'un certain angle seuil de rotation du levier 15, qui correspond à une position dans laquelle l'effort de poussée du ressort est aligné avec l'axe 13 de rotation du levier, l'effort de poussée du ressort 16 passe de l'autre côté de l'axe 13 de rotation du levier et le ressort 16 exerce alors un effort qui entraîne la rotation du levier dans une direction opposée, donc dans le sens souhaité par l'utilisateur. Cet effort est représenté par la flèche Pd (Pression de déverrouillage) sur la figure 4, qui agit sur le levier 15 pour tendre à sa rotation dans le sens représenté par la flèche Rd (Rotation de déverrouillage), opposé au sens de rotation de verrouillage.In a first phase of this rotation, the user must overcome the opposite force exerted by the spring 16, represented by the arrow Pv (locking pressure), which acts on the lever to tend to its rotation in the direction represented by the Rv arrow (locking rotation), that is to say, which tends to maintain the lever 15 in its initial locked position, which is therefore a stable position. Beyond a certain threshold angle of rotation of the lever 15, which corresponds to a position in which the thrust force of the spring is aligned with the axis 13 of rotation of the lever, the thrust force of the spring 16 passes on the other side of the axis 13 of rotation of the lever and the spring 16 then exerts a force which causes the rotation of the lever in an opposite direction, therefore in the direction desired by the user. This effort is represented by the arrow Pd (Unlocking pressure) on the figure 4 , which acts on the lever 15 to tend to its rotation in the direction represented by the arrow Rd (unlocking rotation), opposite to the locking rotation direction.

La figure 4 illustre une configuration intermédiaire de cette phase de déverrouillage, dans laquelle une excroissance 18 du levier 15, sur laquelle est d'ailleurs fixé le ressort 16, vient en appui sur une surface supérieure 19 de la bascule 11. À partir de cette position, la poursuite de la rotation du levier 15 induit une poussée sur la bascule 11 au niveau du contact entre l'excroissance 18 et la surface supérieure 19 de la bascule 11, qui entraîne la rotation de la bascule 11 autour de l'axe 13, jusqu'à l'écarter de la paroi de la chaussure comme représenté sur la figure 5, qui correspond à la position déverrouillée du dispositif. Cette phase de déverrouillage comprend ainsi une rotation du levier 15 selon un angle légèrement supérieur à 90 degrés, jusqu'à ce qu'il vienne en butée contre le capot 17.The figure 4 illustrates an intermediate configuration of this unlocking phase, in which an excrescence 18 of the lever 15, on which the spring 16 is moreover fixed, bears on an upper surface 19 of the lever 11. From this position, the continued rotation of the lever 15 induces a thrust on the rocker 11 at the contact between the protrusion 18 and the upper surface 19 of the rocker 11, which causes the rotation of the rocker 11 about the axis 13, until to remove it from the wall of the shoe as shown on the figure 5 which corresponds to the unlocked position of the device. This unlocking phase thus comprises a rotation of the lever 15 at an angle slightly greater than 90 degrees, until it abuts the hood 17.

En remarque, durant toute la deuxième partie de la rotation du levier 15, au-delà du seuil mentionné précédemment, le ressort 16 exerce un effort qui assiste l'utilisateur dans le déverrouillage du dispositif de verrouillage et déverrouillage, voire suffit à cet actionnement qui devient automatique et ne nécessite plus l'intervention de l'utilisateur.As a remark, throughout the second part of the rotation of the lever 15, beyond the threshold mentioned above, the spring 16 exerts a force which assists the user in unlocking the locking and unlocking device, or even suffices for this actuation which becomes automatic and no longer requires the intervention of the user.

De manière réversible, le passage de la position déverrouillée à la position verrouillée nécessite l'actionnement du levier 15 en rotation dans l'autre sens. Dans une première phase, un utilisateur doit exercer un effort pour vaincre l'effort contraire exercé par le ressort 16, qui tend à maintenir le levier dans la position de déverrouillage, qui est de ce fait une position stable. Au-delà d'un angle limite, l'effort exercé par le ressort 16 tend à la rotation du levier 15 vers la position de verrouillage, et assiste l'utilisateur voire le remplace en permettant la rotation automatique ou semi-automatique du levier 15.In a reversible manner, the transition from the unlocked position to the locked position requires the lever 15 to be actuated in rotation in the other direction. In a first phase, a user must exert a force to overcome the opposite force exerted by the spring 16, which tends to keep the lever in the unlocking position, which is therefore a stable position. Beyond a limit angle, the force exerted by the spring 16 tends to the rotation of the lever 15 to the locking position, and assists the user or replaces it by allowing the automatic or semi-automatic rotation of the lever 15 .

La figure 6 représente une phase intermédiaire de cette rotation, dans laquelle une surface 21 du levier vient en contact avec une surface 22 de la bascule 11, de sorte d'exercer un effort de poussée sur la bascule qui entraîne sa rotation jusqu'à sa position de verrouillage illustrée sur la figure 3.The figure 6 represents an intermediate phase of this rotation, in which a surface 21 of the lever comes into contact with a surface 22 of the rocker 11, so as to exert a thrust force on the rocker which causes its rotation to its locking position illustrated on the figure 3 .

En remarque, ce dispositif permet un découplage partiel du levier 15 et de la bascule 11. En effet, dans chaque phase initiale d'actionnement du levier 15, à partir d'une des deux positions stables, il est actionné en rotation de manière indépendante de la bascule 11, sans aucun effet sur la bascule 11. Le dispositif permet ainsi de dissocier l'actionnement du levier 15 de la fonction de blocage de la chaussure directement mise en oeuvre par la bascule. Autrement dit, le levier 15 d'actionnement est au moins partiellement libre de mouvement par rapport à la bascule, de sorte que l'effort d'actionnement de ce levier est indépendant des éventuels efforts exercés par la chaussure sur la bascule. Cela présente l'avantage qu'un utilisateur doit toujours exercer le même effort sur le levier 15 lors de son actionnement, sans aucune influence de ces éventuels efforts exercés par le collier et/ou la coque de la chaussure sur la bascule 11. En variante, ce découplage pourrait ne concerner le début d'actionnement du levier qu'à partir d'une seule des ses deux positions stables. De plus, l'amplitude de son mouvement de rotation indépendant de la bascule pourrait prendre toute autre valeur.Note that this device allows partial decoupling of the lever 15 and the rocker 11. In fact, in each initial phase of actuation of the lever 15, from one of the two stable positions, it is actuated in rotation independently of the rocker 11, without any effect on the rocker 11. The device thus makes it possible to separate the actuation of the lever 15 of the blocking function of the boot directly implemented by the rocker. In other words, the actuating lever 15 is at least partially free of movement relative to the rocker, so that the actuating force of this lever is independent of any forces exerted by the boot on the rocker. This has the advantage that a user must always exert the same effort on the lever 15 during its actuation, without any influence of these possible forces exerted by the collar and / or the hull of the boot on the rocker 11. As a variant this decoupling could concern the start of actuation of the lever only from one of its two stable positions. In addition, the amplitude of its independent rotation movement of the rocker could take any other value.

D'autre part, le ressort 16 exerce un effort sur le dispositif et permet son positionnement automatique dans la configuration souhaitée, avec éventuellement un retard dans sa configuration finale si la position relative du collier rapport à la coque de la chaussure empêche momentanément à la bascule du dispositif de verrouillage et déverrouillage d'atteindre sa position finale.On the other hand, the spring 16 exerts a force on the device and allows its automatic positioning in the desired configuration, possibly with a delay in its final configuration if the relative position of the collar relative to the hull of the boot momentarily prevents the rocker locking and unlocking device to reach its final position.

Cette situation peut par exemple survenir si en phase de verrouillage, le collier occupe une position orientée trop en arrière, empêchant la rotation de la bascule jusqu'à sa position de butée sur la coque. En revanche, dès que le collier est tourné vers l'avant par rapport à la coque de sorte de libérer un espace suffisant entre le collier et la coque dans la partie arrière de la chaussure, la bascule 11 atteint aussitôt sa position finale sous l'effet de la contrainte exercée par le ressort, dans la position verrouillée en appui contre la butée 4 de la coque dans laquelle elle limite le mouvement du collier.This situation can occur for example if in the locking phase, the collar is positioned too far back, preventing the rotation of the rocker to its abutment position on the hull. On the other hand, as soon as the collar is turned forward with respect to the hull so as to free a sufficient space between the collar and the hull in the rear part of the boot, the rocker 11 immediately reaches its final position under the hoop. effect of the stress exerted by the spring, in the locked position bearing against the abutment 4 of the shell in which it limits the movement of the collar.

De manière similaire, cette situation peut par exemple survenir si en phase de déverrouillage, le collier occupe une position orientée trop en arrière et exerce une force d'appui sur la bascule empêchant sa rotation, du fait de son frottement sur la coque qui ne lui permet pas d'échapper à sa position de butée. En revanche, dès que le collier est tourné vers l'avant par rapport à la coque, la bascule 11 atteint aussitôt sa position finale déverrouillée écartée de la coque, représentée sur la figure 5, sous l'effet de la contrainte exercée par le ressort.Similarly, this situation can occur for example if in the unlocking phase, the collar is positioned too far back and exerts a pressing force on the rocker preventing its rotation, because of its friction on the shell which does not not allow to escape to its stop position. On the other hand, as soon as the collar is turned towards the front with respect to the hull, the rocker 11 immediately reaches its unlocked final position separated from the hull, represented on the figure 5 under the effect of the stress exerted by the spring.

Le ressort permet ainsi au dispositif de verrouillage et déverrouillage d'occuper deux positions stables, comme cela a été expliqué précédemment. Son action sur le levier représente un système de type genouillère.The spring thus allows the locking and unlocking device to occupy two stable positions, as explained above. Its action on the lever represents a knee-type system.

Cette solution atteint finalement les objets recherchés et procure les avantages suivants :

  • le verrouillage et déverrouillage est performant par l'action d'une force élastique suffisante pour maintenir de manière stable les deux positions du dispositif ;
  • le changement de position du dispositif est convivial car il est assisté et comprend une phase automatique ;
  • l'actionnement du dispositif est aussi convivial par le fait que la rotation du levier se fait dans le même sens que celui de la bascule, ce qui permet naturellement et intuitivement à un utilisateur de manipuler le levier dans la bonne direction ;
  • le mécanisme est simple, peu coûteux et peu encombrant parce que les pièces sont en nombre réduit et de format peu encombrant.
This solution finally reaches the desired objects and provides the following benefits:
  • the locking and unlocking is effective by the action of a sufficient elastic force to maintain stably the two positions of the device;
  • the change of position of the device is user-friendly because it is assisted and includes an automatic phase;
  • the actuation of the device is also user-friendly in that the rotation of the lever is in the same direction as that of the rocker, which naturally and intuitively allows a user to manipulate the lever in the right direction;
  • the mechanism is simple, inexpensive and compact because the parts are small in size and space saving.

Naturellement, l'invention ne se limite pas au mode de réalisation décrit et peut présenter de nombreuses variantes.Naturally, the invention is not limited to the embodiment described and may have many variants.

D'abord, le dispositif de verrouillage et déverrouillage peut fonctionner différemment, être fixé sur la coque et venir en butée sur le collier pour remplir la fonction de verrouillage, de manière inversée par rapport au mode de réalisation représenté sur la figure 1.Firstly, the locking and unlocking device can operate differently, be fixed on the shell and abut on the collar to fulfill the locking function, inversely with respect to the embodiment shown in FIG. figure 1 .

De plus, le ressort peut présenter toute autre orientation que celle illustrée, pour laquelle il présente une inclinaison variable entre les deux positions extrêmes du dispositif qui reste inférieure à 30 degrés par rapport à une direction verticale. Il pourrait par exemple s'approcher d'une direction horizontale, présenter une inclinaison variable mais inférieure à 30 degrés par rapport à une direction horizontale. Finalement, il pourrait occuper toute inclinaison par rapport à l'embase ou à la chaussure, et toute amplitude de mouvement entre les positions verrouillées et déverrouillées du dispositif inférieure à 30 degrés. De plus, ses propriétés intrinsèques ainsi que sa compression en position verrouillée sont définies pour obtenir un bon compromis entre la stabilité des positions verrouillées et déverrouillées et l'effort manuel nécessaire pour changer de position.In addition, the spring may have any other orientation than that illustrated, for which it has a variable inclination between the two end positions of the device which remains less than 30 degrees relative to a vertical direction. It could for example approach a horizontal direction, have a variable inclination but less than 30 degrees from a horizontal direction. Finally, it could occupy any inclination relative to the base or the shoe, and any range of motion between the locked and unlocked positions of the device less than 30 degrees. In addition, its intrinsic properties as well as its compression in the locked position are defined to obtain a good compromise between the stability of the locked and unlocked positions and the manual effort necessary to change position.

En remarque, ce ressort linéaire de compression pourrait aussi occuper une configuration courbée sous l'effort de compression important qu'il subit, sans modifier le fonctionnement explicité précédemment. En variante, ce ressort pourrait travailler en traction entre une liaison fixe avec la chaussure, éventuellement par l'intermédiaire d'une embase, et une liaison avec le levier du dispositif. Selon une autre variante de réalisation, il est possible de mettre en place un réglage de l'effort nécessaire pour manipuler le levier en rendant mobile par tout moyen l'extrémité du ressort fixée sur l'embase. Naturellement, le ressort peut être remplacé par tout élément élastique équivalent, comme un ressort de torsion, une lame élastique de flexion, un élément souple et élastique par exemple en matériau viscoélastique qui travaille en compression.As a remark, this linear compression spring could also occupy a curved configuration under the significant compressive force that it undergoes, without modifying the operation explained above. Alternatively, this spring could work in tension between a fixed connection with the shoe, possibly via a base, and a connection with the lever of the device. According to another embodiment, it is possible to set up an adjustment of the force required to manipulate the lever by moving by any means the end of the spring fixed on the base. Naturally, the spring can be replaced by any equivalent elastic element, such as a torsion spring, an elastic bending blade, a flexible element and elastic for example viscoelastic material which works in compression.

Ensuite, le levier a été présenté comme comprenant une première partie sensiblement cylindrique autour d'un axe de rotation, comprenant un élément de fixation pour le ressort et une surface d'appui sur la bascule, et une seconde partie allongée formant un bras 25 d'actionnement manuel.Next, the lever has been shown to comprise a first substantially cylindrical portion about an axis of rotation, comprising a spring attachment member and a bearing surface on the rocker, and a second elongate portion forming an arm portion. manual operation.

En variante, ce bras peut être fortement réduit, voire supprimé dans un mode de réalisation qui ne fait pas partie de l'invention, pour réduire l'encombrement de l'ensemble. Pour cela, une simple ficelle ou câble ou sangle ou tout élément souple, peut être fixé sur le levier pour permettre sa rotation par la simple traction de cet élément souple. En variante, un outil de type tournevis peut être utilisé pour la rotation du levier.Alternatively, this arm can be greatly reduced, or even eliminated in an embodiment that does not form part of the invention, to reduce the overall size of the assembly. For this, a simple string or cable or strap or any flexible element, can be fixed on the lever to allow its rotation by simply pulling this flexible element. Alternatively, a screwdriver type tool can be used for rotation of the lever.

De plus, le levier et l'embase ont été décrits comme mobiles en rotation autour du même axe, ce qui est une solution simple. Toutefois en variante, ils peuvent être mobiles en rotation selon deux axes distincts.In addition, the lever and the base have been described as rotatable about the same axis, which is a simple solution. However, alternatively, they can be rotatable along two distinct axes.

Enfin, le dispositif de verrouillage et déverrouillage peut encore être simplifié, en supprimant son embase par exemple et en fixant les composants directement sur la chaussure. De plus, le capot peut aussi être supprimé.Finally, the locking and unlocking device can be further simplified, by removing its base for example and fixing the components directly on the shoe. In addition, the hood can also be removed.

Claims (17)

  1. A locking and unlocking device (10) for forming an interface between the shell (1) and the collar (2) of a sports boot, characterized in that it comprises a rocker (11) that is movable in rotation about a pin (13), a lever (15) that is movable in rotation and comprising a part forming a manual actuation arm (25), and an elastic element connected to the lever (15), such that the lever (15) is able to occupy a first stable position, in which it holds the rocker (11) in a locking position, and a second stable position, in which it holds the rocker (11) in an unlocking position, these two positions being maintained stable through the effect of the elastic element.
  2. The locking and unlocking device as claimed in the preceding claim, characterized in that the lever (15) comprises a fastening element for the elastic element.
  3. The locking and unlocking device as claimed in one of the preceding claims, characterized in that it the elastic element works in compression.
  4. The locking and unlocking device as claimed in one of the preceding claims, characterized in that the lever (15) and the rocker (11) are movable in the same direction of rotation in the course of the two phases of locking and unlocking the locking and unlocking device.
  5. The locking and unlocking device as claimed in the preceding claim, characterized in that the lever (15) is movable in rotation about the same pin (13) as the rocker (11).
  6. The locking and unlocking device as claimed in one of the preceding claims, characterized in that the elastic element is fastened to the lever (15) in a position away from the rotation pin of the lever, in such a manner as to exert a moment of inertia on the lever (15), tending to hold the lever (15) in the two, locking and unlocking, positions.
  7. The locking and unlocking device as claimed in the preceding claim, characterized in that the elastic element exerts a moment of inertia, tending to rotate the lever in two opposite directions in the two stable positions of the lever (15).
  8. The locking and unlocking device as claimed in one of the preceding claims, characterized in that the lever (15) comprises two surfaces (18, 21) for acting on two corresponding surfaces (19, 22) of the rocker (11) and entraining it into a locking position in its first stable position and into an unlocking position in its second stable position.
  9. The locking and unlocking device as claimed in one of the preceding claims, characterized in that the lever (15) is able to turn at least partially independently of the rocker (11) at the start of actuation thereof from at least one of its two stable positions.
  10. The locking and unlocking device as claimed in one of the preceding claims, characterized in that the lever (15) comprises a cable or a flexible element for its actuation.
  11. The locking and unlocking device as claimed in one of the preceding claims, characterized in that the elastic element is a linear spring (16) working in compression.
  12. The locking and unlocking device as claimed in the preceding claim, characterized in that the spring (16) has an amplitude of inclination of less than 30 degrees between the two stable positions of the lever (15).
  13. The locking and unlocking device as claimed in one of the preceding claims, characterized in that the rocker (11) has a surface (14) toward one end that occupies a first position suitable for stopping against a stop (4) of a boot in the locking position thereof and a second position suitable for release from the stop (4) of the boot in the unlocking position (15) thereof.
  14. The locking and unlocking device as claimed in one of the preceding claims, characterized in that it comprises a cover (17) for concealing at least a part of the elastic element and/or a baseplate (12) for fixing the rotation pin (13) of the rocker.
  15. A sports boot that comprises a shell (1) surrounding the foot and a collar (2) articulated on the shell (1), which comprises a locking and unlocking device (10) as claimed in one of the preceding claims arranged in the rear part thereof as interface between the shell (1) and the collar (2) in order to reduce or to eliminate the freedom of movement of the collar (2) relative to the shell (1) in the locking position thereof.
  16. The sports boot as claimed in the preceding claim, characterized in that the rocker (11) occupies a position in which it is against the rear surface of the boot so that a surface (14) remains stopped on a stop (4) of the boot in the locking position thereof and a position away from the surface of the boot in the unlocking position thereof.
  17. The sports boot as claimed in either claim 15 or claim 16, characterized in that the lever (15) has an arm (25) that occupies a position close to the surface of the boot in its first stable position and a position substantially perpendicular to that surface in its second stable position.
EP11425022.8A 2011-02-03 2011-02-03 Sports footwear with hinged cuff for a walking position Active EP2486817B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP11425022.8A EP2486817B1 (en) 2011-02-03 2011-02-03 Sports footwear with hinged cuff for a walking position
US13/365,720 US9770063B2 (en) 2011-02-03 2012-02-03 Sports boot with a collar articulated for a walking position

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11425022.8A EP2486817B1 (en) 2011-02-03 2011-02-03 Sports footwear with hinged cuff for a walking position

Publications (2)

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EP2486817A1 EP2486817A1 (en) 2012-08-15
EP2486817B1 true EP2486817B1 (en) 2016-11-16

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ITUD20120097A1 (en) * 2012-05-25 2013-11-26 Dal Bello Holding S R L SPORTS FOOTWEAR AS A SKI OR SIMILAR BOOT
ITTV20120203A1 (en) * 2012-10-26 2014-04-27 Scarpa Calzaturificio Spa SKI BOOT
EP3053469B1 (en) * 2015-02-04 2018-03-14 Calzaturificio S.C.A.R.P.A. S.p.A. A ski boot
EP3090641B1 (en) * 2015-05-06 2021-12-01 OBER ALP S.p.A. Ski boot provided with an improved ski-walk selection mechanism
IT201600091373A1 (en) 2016-09-09 2018-03-09 Scarpa Calzaturificio Spa SKI BOOT
EP3673760A1 (en) 2018-12-27 2020-07-01 Rossignol Lange S.R.L. Device for fastening and unfastening a sports shoe
IT202000000988A1 (en) * 2020-01-20 2021-07-20 Tecnica Group Spa Ski boot, especially ski touring boot

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US9770063B2 (en) 2017-09-26
US20120198725A1 (en) 2012-08-09
EP2486817A1 (en) 2012-08-15

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