EP2989917B1 - Sports shoe - Google Patents

Sports shoe Download PDF

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Publication number
EP2989917B1
EP2989917B1 EP15002435.4A EP15002435A EP2989917B1 EP 2989917 B1 EP2989917 B1 EP 2989917B1 EP 15002435 A EP15002435 A EP 15002435A EP 2989917 B1 EP2989917 B1 EP 2989917B1
Authority
EP
European Patent Office
Prior art keywords
medial
wall
lateral
opening
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.)
Not-in-force
Application number
EP15002435.4A
Other languages
German (de)
French (fr)
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EP2989917A1 (en
Inventor
Anna Reinaudo
Mathieu Gannat
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.)
Salomon SAS
Original Assignee
Salomon SAS
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Filing date
Publication date
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Publication of EP2989917A1 publication Critical patent/EP2989917A1/en
Application granted granted Critical
Publication of EP2989917B1 publication Critical patent/EP2989917B1/en
Not-in-force legal-status Critical Current
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
    • A43B5/0411—Ski or like boots for cross-country
    • A43B5/0413—Adaptations for soles or accessories associated with soles for cross-country bindings
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0245—Uppers; Boot legs characterised by the constructive form
    • A43B23/0265—Uppers; Boot legs characterised by the constructive form having different properties in different directions
    • A43B23/027—Uppers; Boot legs characterised by the constructive form having different properties in different directions with a part of the upper particularly flexible, e.g. permitting articulation or torsion
    • 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
    • A43B5/0411—Ski or like boots for cross-country
    • 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
    • A43B5/0472—Ski or like boots characterised by type or construction details provided with means to improve walking with the skiboot having a flexible toe portion; provided with a hinge at the ball of the foot
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C1/00—Shoe lacing fastenings

Definitions

  • the invention relates to a shoe designed to be reversibly retained on a sports gliding device, and more particularly relates to a shoe for practicing a snow sport.
  • the shoe can be used in areas such as cross-country skiing, ski touring, telemark, snowshoe, or other.
  • a shoe of this family of domains generally comprises an outer sole, a rod and at least one attachment element, the latter being provided to cooperate with a locking mechanism itself intended to be subject to the machine.
  • the hooking element and the locking mechanism are a hooking means which, very often, is provided to hold the boot on the machine in a reversible manner.
  • each locking mechanism in the field of cross-country skiing, it is usual for each locking mechanism to either hold a shoe or release it. This allows the choice to drive the skis or walk.
  • FR2881627 describes a sports shoe for walking or cross-country skiing.
  • the driving is generally done in alternative ways, that is to say in a style that looks like walking, or in no skater, with transverse thrusts towards the back and forward returns for each foot.
  • the driving movements urge the shoe, for example transversely at the level of the rod, or in longitudinal flexion at the level of both the sole and the rod.
  • the stresses cause reversible deformations of subdivisions of the shoe, by means of bends, or other. These deformations affect driving performance. Indeed, they dissipate some of the energy provided by the user, and disturb the perception of sensory information or the transmission of driving pulses.
  • the prior art has proposed to change the structure of the shoes.
  • a shoe comprises a base, a side wall having a lateral opening at a metatarsal area, the lateral opening extending from the base in a direction away from the base, and a medial wall which has a medial opening at the metatarsal area, the medial opening extending from the base in a direction away from the base.
  • the shoe also includes side and medial wall clamps. This is to tighten the foot of the user in the volume delimited by the base and the walls, while allowing a flexion of the base at the metatarsal, to obtain a good progress of the foot.
  • the shoe according to the document FR 2 971 675 is interesting in the sense that it has improved its ability to transmit sensory information and driving impulses in transverse direction. Indeed, the base and the walls form a unitary structure which limits parasitic deformations, especially during rear transverse thrusts for driving in skater steps. However, some disadvantages can occur, especially during extreme practices such as high-level competitive sport.
  • the invention generally seeks to improve a shoe which comprises a base, a side wall and a medial wall, the latter each having an opening in the metatarsal region.
  • a shoe which comprises a base, a side wall and a medial wall, the latter each having an opening in the metatarsal region.
  • These include improving overall comfort, and improving perception of sensory information and / or transmission of driving impulses in the metatarsal region. It can be said that it is a question of improving two properties which are a priori exclusive of each other, namely the comfort and the ability to transmit forces such as the information and pulses mentioned before.
  • the invention also seeks to improve the holding of the foot in the shoe, that is to say, to minimize the inadvertent movements of the foot in the shoe. And the invention still seeks to improve the wrapping of the foot, that is to say, to ensure that the clamping pressure exerted on it is minimal.
  • the invention provides a shoe designed to be retained reversibly to a sports machine, the shoe comprising a base which extends in length from a rear end to a front end, in width between an edge lateral and a medial edge, and in thickness between a face of cooperation with the machine and an inner face, the base having, from the rear end to the front end, a rear zone, a central zone, a zone metatarsal area, and a front zone, the shoe comprising a side wall that has a lateral opening at the metatarsal area, the lateral opening extending from the base in a direction away from the base, each wall ( 16,18) having sufficient rigidity to elastically deform in a reversible manner, the shoe comprising a medial wall having a medial opening at the metatarsal area, the medial opening e extending from the base in a direction away from the base, the shoe further comprising clamping members of the side and medial walls behind the openings.
  • the shoe according to the invention comprises a lateral flap which extends at the level of the lateral opening of the lateral wall, and / or a medial flap which extends at the level of the medial opening of the medial wall, as well as clamping elements of the lateral and medial flaps; and is characterized in that each shutter is a more flexible element, or less rigid, than the wall which delimits its opening of reception.
  • the clamping elements of the shutter or flaps thus make it possible to tighten the foot of the user at the openings. It follows that, by adding the flaps and clamping elements, the shoe according to the invention increases the clamping surface of the foot. In other words, the tightening zone of the foot is elongated towards the toes, since it extends both behind the openings and facing the openings.
  • the result is a reduction of the clamping pressure.
  • the set of clamping elements comprises passers distributed on the walls and flaps, and a lace that travels through the loops, then the clamping pressure is reduced for a given value of the lace tension.
  • This pressure reduction has the advantage of improving the overall comfort of the shoe, without impairing its ability to transmit sensory information or driving impulses, especially during the usual transversal supports in the conduct that is done in skater steps.
  • the foot is tight at the base of the toes and / or at the metatarsal level. This allows perception of sensory information and / or transmission of driving impulses at these locations. It therefore appears that the invention has extended the perception zone and / or the transmission zone forward. In other words, the perception of the sensory information and / or the transmission of driving pulses is, with the invention, both behind the lateral and medial openings and at the level thereof. Some of the benefits of this include improved ride performance, especially for intense use in sporty driving, or reduced user fatigue.
  • the invention improves a shoe which comprises a base, a side wall and a medial wall, the latter each having an opening in the metatarsal region.
  • Figures 1 to 4 it is with the help of Figures 1 to 4 that is presented the first form.
  • a shoe 1 designed to accommodate the foot of the user. It is specified that the boot can be reversibly retained in a sports machine, for example a ski, which is not shown here.
  • the shoe 1 comprises a base 2 which extends from a rear end 3 to a front end 4, in width between a lateral edge 5 and a medial edge 6, and in thickness between a cooperation face 7 with the machine and an inner face 8.
  • the cooperation face 7 may, in unrepresented configurations, come into contact with the machine directly or indirectly.
  • an intermediate element such as a retaining device and / or an interface plate, is placed between the boot and the machine.
  • the inner face 8, for its part, can come into contact with the user's foot directly or indirectly.
  • the base 2 has, from the rear end 3 to the front end 4, a rear zone 11, provided to come opposite the heel of the foot, a central zone 12 , which comes next to the arch, a metatarsal area 13, which is next to the metatarsal, and a front zone 14, which comes next to the toes.
  • the shoe also comprises one or more fastening elements 15, not described in detail here because well known to a person skilled in the art, for cooperating with a device for retaining the boot on the ski, the device also being not shown.
  • the shoe 1 comprises a side wall 16 which has a lateral opening 17 at the metatarsal area 13, the lateral opening extending from the base 2 in a direction away from the base.
  • the lateral opening 17 is a transverse slot of the shoe, a slot formed in the side wall 16.
  • the shoe 1 comprises a medial wall 18 which has a medial opening 19 at the metatarsal area 13, the medial opening extending from the base 2 in a direction away from the base.
  • the medial opening 19 is a transverse slot of the shoe, a slot formed in the medial wall 18.
  • the base 2 is capable of flex longitudinally, that is to say along a transverse axis, at the metatarsal area 13.
  • the base 2 is longitudinally flexible at the lateral openings 17 and medial 19, in the metatarsal area 13. This facilitates a smooth foot, particularly useful movement in non-reciprocating mode.
  • the lateral opening 17 and / or the medial opening 19 have an enlargement 20 at the level of the base 2, in order to avoid any risk of starting to break.
  • the base 2, the side wall 16 and the medial wall 18 form a single piece.
  • This is for example made of molded plastic, with fibers of composite material impregnated with synthetic resin or thermoplastic material, or other. Carbon fibers embedded in a thermosetting resin gave good results.
  • a construction alternative is to manufacture separately the three elements 2, 16, 18 in question, then to report each wall on the base. In the end, the set obtained is always self-supporting. This means that the base and the walls naturally retain the shape that is given to them by the manufacture. In particular, each wall has a sufficient rigidity to deform elastically in a reversible manner, for example during a tightening as will be seen below.
  • the shoe 1 comprises clamping elements 21, 22 of the side walls 16 and medial 18 behind the openings 17, 19.
  • the reference 21 corresponds to a set of loops distributed on the side wall 16 behind the lateral opening 17, as well as on the medial wall 18, behind the medial opening 19.
  • each wall 16, 18 carries three loops 21, knowing that another number of loops may be suitable.
  • the reference 22, meanwhile, designates a lace that travels by passersby.
  • the lace 22 can be tensioned and then maintained in tension by any means known to those skilled in the art, to tighten the side walls 16 and medial 18. This allows a good support of the foot when the user has shod .
  • the boot 1 comprises a lateral flap 23 which extends at the level of the lateral opening 17 of the lateral wall 16, and / or a medial flap 24 which extends at the level of the medial opening 19 of the medial wall 18, as well as clamping elements 21, 22 of the lateral and medial flaps 23 and 24.
  • Each flap 23, 24 is a more flexible element, or less rigid, than the side wall 16 or the medial wall 18. This amounts to saying that, for the same mechanical stress, a flap 23, 24 flexes more than a wall 16, 18. It is observed in addition that the clamping elements of the flaps 23, 24 are, here and without limitation, loops 21 and the lace 22 seen before. Each flap 23, 24 carries for example a loop 21, and the lace 22 acts both to tighten the walls 16, 18 and to tighten the flaps 23, 24. In the end, the tensioning of the lace 22 causes the tightening side walls 16 and medial 18 behind the openings 17, 19, and the tightening of the side flaps 23 and medial 24 at the openings.
  • the shoe 1 increases the gripping area of the foot, extending it forward beyond the instep.
  • a tightening of the foot is obtained at the metatarsal level, or even at the base of the toes.
  • An advantage that arises is an improvement in comfort. Indeed, for a given value of the tension of the lace, the clamping pressure is reduced, since the distribution of passers is more extensive.
  • Another advantage is a better driving performance, related to an improvement in the perception of sensory information and / or an improvement in the transmission of driving pulses, as a result of the tightening exerted by the flaps.
  • the shoe according to the invention improves the hold of the foot in the shoe, in the sense that it limits, or even completely prevents, untimely movements of the foot in the shoe. This limits or prevents the occurrence of trauma related to driving.
  • the shoe 1 comprises a single clamping device 25, the clamping device comprising the clamping elements 21, 22 of the side walls 16 and medial 18, as well as the clamping elements 21, 22 or the lateral flaps 23 and medial 24.
  • the clamping device 25 is unique in the sense that it comprises a single lace 22 which acts to tighten all passers 21.
  • a Alternative construction not shown is to provide the shoe with several clamping devices. For example, a case may be provided for which the boot 1 comprises the loops 21 already seen, a first lace to tighten the walls 16, 18, and a second lace to tighten the flaps 23, 24.
  • the shoe 1 comprises both a side flap 23 and a medial flap 24.
  • the shoe 1 comprises a side flap 23 connected to the side wall 16 at the rear of the lateral opening 17, as well as a medial flap 24 connected to the medial wall 18 behind the medial opening 19.
  • each flap 23, 24 is connected only to a wall 16, 18, in the sense that it is away from the base 2. This allows the clamping device 25 to grip the foot closer to the instep.
  • the lateral flap 23 and / or the medial flap 24 are disposed outside the lateral wall 16 and / or the medial wall 18.
  • a flap 23, 24 is constituted for example by a layer of leather, a layer of relatively flexible synthetic material, such as polyurethane, rubber, or other, or a superposition of several layers. This gives it the flexibility sought for an optimization of the wrapping of the foot, and therefore the tightening, at the openings 17, 19.
  • a flap 23, 24 is secured to the rest of the shoe 1, in this case a wall 16, 18, by any appropriate means.
  • a flap 23, 24 is bonded to the wall 16, 18. It is nevertheless possible to provide other securing means, such as a seam, a screwing, a riveting, or other. This is to say that in some cases the flap is secured to the rest of the shoe permanently, and that in other cases, the flap is secured to the rest of the shoe removably.
  • the shoe 1 comprises a rear wall 31 which connects the side wall 16 and the medial wall 18 to one another. Consequently the base 2, the side wall 16, the rear wall 31 and the wall medial 18 delimit together a volume of reception heel of the foot. This allows a good maintenance of the latter, and facilitates the transmission of driving impulses or sensory information.
  • the shoe 1 comprises a front wall 32 which connects the side wall 16 and the medial wall 18 to one another. Consequently the base 2, the side wall 16, the front wall 32 and the wall medial 18 together define a reception volume of the toes, or at least a portion of the toes. This protects these.
  • an upper longitudinal opening 33 is delimited between the side wall 16 and the medial wall 18, the upper longitudinal opening 33 communicating with the lateral opening 17 and with the medial opening 19.
  • the upper opening 33 allows a boot, a heaving, and tightening of the foot. Its communication with lateral openings 17 and medial 19 further enhances and facilitates these operations.
  • the boot 1 comprises a covering envelope 34, which extends at least at the level of the upper longitudinal opening 33, the lateral opening 17 and the medial opening 19, as well as at the level of subdivisions or all of the walls 16, 18, 31, 32 connected to the base 2. This makes the shoe waterproof, or at least able to prevent the intrusion of foreign bodies, such as snow, chippings, or other.
  • boot 1 is for example provided with an inner liner 35, for a better comfort, as well as a complementary external clamping device 36.
  • the liner 35 and the device 36 are not described in detail here, because well known to those skilled in the art.
  • a shoe 1 with a base 2, a side wall 16, a medial wall 18, a rear wall 31 and a front wall 32.
  • the side wall and the medial wall respectively have an opening, in the zone of metatarsal 13.
  • the boot 1 comprises a lateral flap 43 connected to the base 2 at the level of the lateral opening 17, as well as a medial flap 44 connected to the base 2 level of the medial opening 19.
  • the lateral flap 43 is connected exclusively to the base 2
  • the medial flap 44 is connected exclusively to the base 2.
  • This construction makes the tightening of the flaps 43, 44 independent of the clamping the walls 16, 18, as regards the application of the shutters and walls on the foot.
  • each wall 16, 18 is provided with clamping elements such as loops 21, and each flap 43, 44 is provided with a clamping element such as a 21.
  • the clamping device is again unique, in the sense that it comprises a single lace 22.
  • a shoe 1 also with a base 2, a side wall 16, a medial wall 18, a rear wall 31 and a front wall 32. Again the side wall and the medial wall respectively have an opening, in the metatarsal area 13.
  • the boot 1 comprises a lateral flap 53 connected to the side wall 16 at the front of the lateral opening 17, as well as a medial flap 54 connected to the medial wall 18 at the front of the medial opening 19.
  • the lateral flap 53 is connected exclusively to the side wall 16, and the medial flap 54 is connected exclusively to the medial wall 18.
  • This construction makes the tightening the flaps 53, 54 more active near the toes.
  • each wall 16, 18 is provided with clamping elements such as loops 21, and each flap 53, 54 is provided with a clamping element such as a passer 21.
  • the clamping device is once again unique : it includes only one lace 22.
  • a shoe 1 again with a base 2, a side wall 16, a medial wall 18, a rear wall 31 and a front wall 32.
  • the side wall and the medial wall respectively have an opening, in the zone of metatarsal 13.
  • the boot 1 comprises a lateral flap 63 connected to the side wall 16 at the rear of the lateral opening 17, and arranged inside. of the side wall 16, and / or that the shoe 1 comprises a medial flap 64 connected to the medial wall 18 at the rear of the medial opening 19, and disposed inside the medial wall 18.
  • a shoe 1 again with a base 2, a side wall 16, a medial wall 18, a rear wall 31 and a front wall 32.
  • the side wall and the medial wall respectively have an opening in the metatarsal area 13.
  • the boot 1 comprises a lateral flap 73 connected to the side wall 16 at the rear of the lateral opening 17 and in front of the lateral opening 17, as well as at the base 2 at the level of the lateral opening 17, and / or that the boot 1 comprises a medial flap 74 connected to the medial wall 18 at the rear of the opening medial 19 and at the front of the medial opening 19, as well as at the base 2 at the medial opening 19.
  • the clamping device may have another structure, comprising two laces, several loops 21 on one or each flap.
  • the clamping element that is the passer 21 may have any appropriate structure, or leave room for an orifice or an eyelet.
  • the structure in question may for example be a hook, a clevis housing a pulley, a rigid guide inserted in a flexible link, a strap that has a loop, or other.
  • a flap can be secured to both the base 2 and a side wall 16 or medial 18.

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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 se rapporte à une chaussure prévue pour être retenue de manière réversible sur un engin de sport de glisse, et concerne plus particulièrement une chaussure destinée à la pratique d'un sport de neige.The invention relates to a shoe designed to be reversibly retained on a sports gliding device, and more particularly relates to a shoe for practicing a snow sport.

La chaussure peut être utilisée dans des domaines tels que le ski de fond, la randonnée à ski, le télémark, la raquette à neige, ou autre.The shoe can be used in areas such as cross-country skiing, ski touring, telemark, snowshoe, or other.

Une chaussure de cette famille de domaines comprend généralement un semelage externe, une tige et au moins un élément d'accrochage, ce dernier étant prévu pour coopérer avec un mécanisme de verrouillage lui-même prévu pour être assujetti à l'engin. L'élément d'accrochage et le mécanisme de verrouillage constituent un moyen d'accrochage qui, très souvent, est prévu pour retenir la chaussure sur l'engin de manière réversible.A shoe of this family of domains generally comprises an outer sole, a rod and at least one attachment element, the latter being provided to cooperate with a locking mechanism itself intended to be subject to the machine. The hooking element and the locking mechanism are a hooking means which, very often, is provided to hold the boot on the machine in a reversible manner.

Par exemple, dans le domaine du ski de fond, il est habituel que chaque mécanisme de verrouillage puisse soit retenir une chaussure, soit la libérer. Cela permet au choix de conduire les skis ou de marcher. FR2881627 décrit justement une chaussure de sport pour la marche ou la pratique du ski de fond.For example, in the field of cross-country skiing, it is usual for each locking mechanism to either hold a shoe or release it. This allows the choice to drive the skis or walk. FR2881627 describes a sports shoe for walking or cross-country skiing.

Il est également habituel de permettre à l'arrière de la chaussure, c'est-à-dire au talon, d'alternativement s'éloigner puis se rapprocher du ski selon des cycles répétés. Cela facilite la conduite, notamment parce qu'un utilisateur peut effectuer des mouvements plus libres qu'il ne le pourrait avec les talons immobilisés. La conduite est généralement effectuée en pas alternatifs, c'est-à-dire dans un style qui ressemble à la marche, ou en pas de patineur, avec des poussées transversales vers l'arrière et des retours vers l'avant pour chaque pied. Les mouvements de conduite sollicitent la chaussure, par exemple transversalement au niveau de la tige, ou en flexion longitudinale au niveau à la fois du semelage et de la tige. Les sollicitations provoquent des déformations réversibles de subdivisions de la chaussure, par le biais de pliages, ou autre. Ces déformations nuisent au rendement de conduite. En effet, elles dissipent une partie de l'énergie fournie par l'utilisateur, et perturbent la perception des informations sensorielles ou la transmission d'impulsions de conduite. Afin d'optimiser le rendement de conduite, l'art antérieur a proposé de faire évoluer la structure des chaussures.It is also usual to allow the back of the shoe, that is to say the heel, to alternately move away and then approach the ski in repeated cycles. This makes driving easier, especially because a user can move more freely than he could with the stubborn heels. The driving is generally done in alternative ways, that is to say in a style that looks like walking, or in no skater, with transverse thrusts towards the back and forward returns for each foot. The driving movements urge the shoe, for example transversely at the level of the rod, or in longitudinal flexion at the level of both the sole and the rod. The stresses cause reversible deformations of subdivisions of the shoe, by means of bends, or other. These deformations affect driving performance. Indeed, they dissipate some of the energy provided by the user, and disturb the perception of sensory information or the transmission of driving pulses. In order to optimize the driving performance, the prior art has proposed to change the structure of the shoes.

Par exemple, selon le document FR 2 971 675 , une chaussure comprend une base, une paroi latérale qui présente une ouverture latérale au niveau d'une zone de métatarse, l'ouverture latérale s'étendant depuis la base dans un sens d'éloignement de la base, ainsi qu'une paroi médiale qui présente une ouverture médiale au niveau de la zone de métatarse, l'ouverture médiale s'étendant depuis la base dans un sens d'éloignement de la base. La chaussure comprend encore des éléments de serrage des parois latérale et médiale. Il s'agit de serrer le pied de l'utilisateur dans le volume délimité par la base et les parois, tout en permettant une flexion de la base au niveau du métatarse, pour obtenir un bon déroulement du pied.For example, according to the document FR 2 971 675 , a shoe comprises a base, a side wall having a lateral opening at a metatarsal area, the lateral opening extending from the base in a direction away from the base, and a medial wall which has a medial opening at the metatarsal area, the medial opening extending from the base in a direction away from the base. The shoe also includes side and medial wall clamps. This is to tighten the foot of the user in the volume delimited by the base and the walls, while allowing a flexion of the base at the metatarsal, to obtain a good progress of the foot.

La chaussure selon le document FR 2 971 675 est intéressante dans le sens où elle a amélioré son aptitude à transmettre les informations sensorielles et les impulsions de conduite en direction transversale. En effet, la base et les parois forment une structure unitaire qui limite les déformations parasites, notamment lors de poussées transversales arrière pour la conduite en pas de patineur. Cependant quelques inconvénients peuvent se manifester, notamment lors de pratiques extrêmes telles que le sport de compétition à haut niveau.The shoe according to the document FR 2 971 675 is interesting in the sense that it has improved its ability to transmit sensory information and driving impulses in transverse direction. Indeed, the base and the walls form a unitary structure which limits parasitic deformations, especially during rear transverse thrusts for driving in skater steps. However, some disadvantages can occur, especially during extreme practices such as high-level competitive sport.

Par exemple, il a pu être observé parfois un certain manque de confort, lequel peut éventuellement être la source de petits traumatismes.For example, sometimes a certain lack of comfort has been observed, which can possibly be the source of small traumatisms.

Il a pu être observé aussi que, dans la région du métatarse, au niveau des ouvertures latérale et médiale, la perception des informations sensorielles et/ou la transmission des impulsions de conduite peut être parfois insuffisante. Cela réduit le rendement de conduite, crée de la fatigue supplémentaire, ou réduit la performance d'un skieur, surtout à haut niveau.It has also been observed that, in the region of the metatarsus, at the level of the lateral and medial openings, the perception of the sensory information and / or the transmission of driving impulses can sometimes be insufficient. This reduces the driving performance, creates additional fatigue, or reduces the performance of a skier, especially at a high level.

Par rapport à cela l'invention cherche globalement à améliorer une chaussure qui comprend une base, une paroi latérale et une paroi médiale, ces dernières présentant chacune une ouverture dans la région du métatarse. Il s'agit notamment d'améliorer le confort global, et d'améliorer la perception des informations sensorielles et/ou la transmission des impulsions de conduite dans la région du métatarse. On peut dire qu'il s'agit d'améliorer deux propriétés à priori exclusives l'une de l'autre, à savoir le confort et l'aptitude à la transmission d'efforts tels que les informations et impulsions évoquées avant. L'invention cherche également à améliorer la tenue du pied dans la chaussure, c'est-à-dire à limiter au maximum les mouvements intempestifs du pied dans la chaussure. Et l'invention cherche encore à améliorer l'enveloppement du pied, c'est-à-dire à faire en sorte que la pression de serrage exercée sur celui-ci soit minimale.In relation to this, the invention generally seeks to improve a shoe which comprises a base, a side wall and a medial wall, the latter each having an opening in the metatarsal region. These include improving overall comfort, and improving perception of sensory information and / or transmission of driving impulses in the metatarsal region. It can be said that it is a question of improving two properties which are a priori exclusive of each other, namely the comfort and the ability to transmit forces such as the information and pulses mentioned before. The invention also seeks to improve the holding of the foot in the shoe, that is to say, to minimize the inadvertent movements of the foot in the shoe. And the invention still seeks to improve the wrapping of the foot, that is to say, to ensure that the clamping pressure exerted on it is minimal.

Pour ce faire, l'invention propose une chaussure prévue pour être retenue de manière réversible à un engin de sport, la chaussure comprenant une base qui s'étend en longueur depuis une extrémité arrière jusqu'à une extrémité avant, en largeur entre un bord latéral et un bord médial, et en épaisseur entre une face de coopération avec l'engin et une face interne, la base présentant, depuis l'extrémité arrière jusqu'à l'extrémité avant, une zone arrière, une zone centrale, une zone de métatarse, et une zone avant, la chaussure comprenant une paroi latérale qui présente une ouverture latérale au niveau de la zone de métatarse, l'ouverture latérale s'étendant depuis la base dans un sens d'éloignement de la base, chaque paroi (16,18) présentant une rigidité suffisante pour se déformer élastiquement de manière réversible, la chaussure comprenant une paroi médiale qui présente une ouverture médiale au niveau de la zone de métatarse, l'ouverture médiale s'étendant depuis la base dans un sens d'éloignement de la base, la chaussure comprenant encore des éléments de serrage des parois latérale et médiale en arrière des ouvertures.To do this, the invention provides a shoe designed to be retained reversibly to a sports machine, the shoe comprising a base which extends in length from a rear end to a front end, in width between an edge lateral and a medial edge, and in thickness between a face of cooperation with the machine and an inner face, the base having, from the rear end to the front end, a rear zone, a central zone, a zone metatarsal area, and a front zone, the shoe comprising a side wall that has a lateral opening at the metatarsal area, the lateral opening extending from the base in a direction away from the base, each wall ( 16,18) having sufficient rigidity to elastically deform in a reversible manner, the shoe comprising a medial wall having a medial opening at the metatarsal area, the medial opening e extending from the base in a direction away from the base, the shoe further comprising clamping members of the side and medial walls behind the openings.

La chaussure selon l'invention comprend un volet latéral qui s'étend au niveau de l'ouverture latérale de la paroi latérale, et/ou un volet médial qui s'étend au niveau de l'ouverture médiale de la paroi médiale, ainsi que des éléments de serrage du ou des volets latéral et médial; et est caractérisée en ce que chaque volet est un élément plus souple, ou moins rigide, que la paroi qui délimite son ouverture d'accueil. Les éléments de serrage du ou des volets permettent donc de serrer le pied de l'utilisateur au niveau des ouvertures. Il s'ensuit que, par l'ajout des volets et des éléments de serrage, la chaussure selon l'invention augmente la surface de serrage du pied. En d'autres termes, la zone de serrage du pied est allongée vers les orteils, car elle s'étend à la fois en arrière des ouvertures et en regard des ouvertures.The shoe according to the invention comprises a lateral flap which extends at the level of the lateral opening of the lateral wall, and / or a medial flap which extends at the level of the medial opening of the medial wall, as well as clamping elements of the lateral and medial flaps; and is characterized in that each shutter is a more flexible element, or less rigid, than the wall which delimits its opening of reception. The clamping elements of the shutter or flaps thus make it possible to tighten the foot of the user at the openings. It follows that, by adding the flaps and clamping elements, the shoe according to the invention increases the clamping surface of the foot. In other words, the tightening zone of the foot is elongated towards the toes, since it extends both behind the openings and facing the openings.

Il en découle tout d'abord une réduction de la pression de serrage. Par exemple, si l'ensemble des éléments de serrage comprend des passants répartis sur les parois et les volets, ainsi qu'un lacet qui chemine par les passants, alors la pression de serrage est réduite pour une valeur donnée de la tension du lacet. Cette réduction de pression procure l'avantage d'améliorer le confort global de la chaussure, sans altérer ses capacités à transmettre les informations sensorielles ou les impulsions de conduite, notamment lors des appuis transversaux habituels dans la conduite qui se fait en pas de patineur.The result is a reduction of the clamping pressure. For example, if the set of clamping elements comprises passers distributed on the walls and flaps, and a lace that travels through the loops, then the clamping pressure is reduced for a given value of the lace tension. This pressure reduction has the advantage of improving the overall comfort of the shoe, without impairing its ability to transmit sensory information or driving impulses, especially during the usual transversal supports in the conduct that is done in skater steps.

Il découle également de la nature de l'invention que le pied est serré au niveau de la base des orteils et/ou au niveau du métatarse. Cela permet la perception des informations sensorielles et/ou la transmission des impulsions de conduite à ces endroits. Il apparaît donc que l'invention a étendu la zone de perception et/ou la zone de transmission vers l'avant. En d'autres termes, la perception des informations sensorielles et/ou la transmission des impulsions de conduite se fait, avec l'invention, à la fois en arrière des ouvertures latérale et médiale et au niveau de celles-ci. Parmi les avantages qui en découlent on peut citer une amélioration du rendement de conduite, particulièrement lors d'utilisations intenses en conduite sportive, ou une réduction de la fatigue de l'utilisateur.It also follows from the nature of the invention that the foot is tight at the base of the toes and / or at the metatarsal level. This allows perception of sensory information and / or transmission of driving impulses at these locations. It therefore appears that the invention has extended the perception zone and / or the transmission zone forward. In other words, the perception of the sensory information and / or the transmission of driving pulses is, with the invention, both behind the lateral and medial openings and at the level thereof. Some of the benefits of this include improved ride performance, especially for intense use in sporty driving, or reduced user fatigue.

De manière large, on peut dire que l'invention améliore une chaussure qui comprend une base, une paroi latérale et une paroi médiale, ces dernières présentant chacune une ouverture dans la région du métatarse.Broadly, it can be said that the invention improves a shoe which comprises a base, a side wall and a medial wall, the latter each having an opening in the metatarsal region.

D'autres caractéristiques et avantages de l'invention seront mieux compris à l'aide de la description qui va suivre, en regard des figures annexées illustrant, selon des formes de réalisation non limitatives, comment l'invention peut être réalisée, et dans lesquelles :

  • la figure 1 est une vue en perspective avant d'une chaussure complète, selon une première forme de réalisation de l'invention,
  • la figure 2 est une vue en perspective avant d'une partie de la chaussure de la figure 1,
  • la figure 3 est une coupe selon III-III de la figure 2,
  • la figure 4 est une coupe selon IV-IV de la figure 2,
  • la figure 5 est similaire à la figure 2, pour une deuxième forme de réalisation de l'invention,
  • la figure 6 est similaire à la figure 2, pour une troisième forme de réalisation de l'invention,
  • la figure 7 est similaire à la figure 2, pour une quatrième forme de réalisation de l'invention,
  • la figure 8 est similaire à la figure 2, pour une cinquième forme de réalisation de l'invention.
Other features and advantages of the invention will be better understood with the aid of the description which follows, with reference to the appended figures illustrating, according to non-limiting embodiments, how the invention may be implemented, and in which :
  • the figure 1 is a front perspective view of a complete shoe, according to a first embodiment of the invention,
  • the figure 2 is a perspective view before a part of the shoe of the figure 1 ,
  • the figure 3 is a section III-III of the figure 2 ,
  • the figure 4 is a section IV-IV of the figure 2 ,
  • the figure 5 is similar to the figure 2 for a second embodiment of the invention,
  • the figure 6 is similar to the figure 2 for a third embodiment of the invention,
  • the figure 7 is similar to the figure 2 for a fourth embodiment of the invention,
  • the figure 8 is similar to the figure 2 for a fifth embodiment of the invention.

Les formes de réalisation de l'invention qui vont être décrites après concernent plus spécialement des chaussures pour la pratique du ski de fond, de la randonnée à ski, ou du télémark. Cependant l'invention s'applique à d'autres domaines tels que ceux évoqués avant.The embodiments of the invention which will be described below relate more particularly to shoes for cross-country skiing, ski touring, or telemark. However, the invention applies to other fields such as those mentioned before.

C'est à l'aide des figures 1 à 4 qu'est présentée la première forme. Tout d'abord, sur la figure 1, on peut voir une chaussure 1 prévue pour accueillir le pied de l'utilisateur. On précise que la chaussure peut être retenue de manière réversible à un engin de sport, par exemple un ski, lequel n'est pas représenté ici.It is with the help of Figures 1 to 4 that is presented the first form. First, on the figure 1 , we can see a shoe 1 designed to accommodate the foot of the user. It is specified that the boot can be reversibly retained in a sports machine, for example a ski, which is not shown here.

De manière connue, comme on le comprend ensemble à l'aide des figures 1 à 4, la chaussure 1 comprend une base 2 qui s'étend depuis une extrémité arrière 3 jusqu'à une extrémité avant 4, en largeur entre un bord latéral 5 et un bord médial 6, et en épaisseur entre une face de coopération 7 avec l'engin et une face interne 8. La face de coopération 7 peut, selon des configurations non représentées, entrer en contact avec l'engin de manière directe ou de manière indirecte. Par exemple un élément intermédiaire, tel qu'un dispositif de retenue et/ou une plaque interface, est disposé entre la chaussure et l'engin. La face interne 8, quant à elle, peut entrer en contact avec le pied de l'utilisateur directement ou indirectement.In a known manner, as is understood together with the help of Figures 1 to 4 , the shoe 1 comprises a base 2 which extends from a rear end 3 to a front end 4, in width between a lateral edge 5 and a medial edge 6, and in thickness between a cooperation face 7 with the machine and an inner face 8. The cooperation face 7 may, in unrepresented configurations, come into contact with the machine directly or indirectly. For example, an intermediate element, such as a retaining device and / or an interface plate, is placed between the boot and the machine. The inner face 8, for its part, can come into contact with the user's foot directly or indirectly.

Pour faciliter la description de la chaussure, on précise que la base 2 présente, depuis l'extrémité arrière 3 jusqu'à l'extrémité avant 4, une zone arrière 11, prévue pour venir en regard du talon du pied, une zone centrale 12, qui vient en regard de la voûte plantaire, une zone de métatarse 13, qui vient en regard du métatarse, et une zone avant 14, qui vient en regard des orteils.To facilitate the description of the shoe, it is specified that the base 2 has, from the rear end 3 to the front end 4, a rear zone 11, provided to come opposite the heel of the foot, a central zone 12 , which comes next to the arch, a metatarsal area 13, which is next to the metatarsal, and a front zone 14, which comes next to the toes.

La chaussure comprend également un ou plusieurs éléments d'accrochage 15, non décrits en détail ici car bien connus d'un homme du métier, pour coopérer avec un dispositif de retenue de la chaussure sur le ski, le dispositif étant également non représenté.The shoe also comprises one or more fastening elements 15, not described in detail here because well known to a person skilled in the art, for cooperating with a device for retaining the boot on the ski, the device also being not shown.

La chaussure 1 comprend une paroi latérale 16 qui présente une ouverture latérale 17 au niveau de la zone de métatarse 13, l'ouverture latérale s'étendant depuis la base 2 dans un sens d'éloignement de la base. En fait ici l'ouverture latérale 17 est une fente transversale de la chaussure, fente ménagée dans la paroi latérale 16. Par analogie, la chaussure 1 comprend une paroi médiale 18 qui présente une ouverture médiale 19 au niveau de la zone de métatarse 13, l'ouverture médiale s'étendant depuis la base 2 dans un sens d'éloignement de la base. Là aussi l'ouverture médiale 19 est une fente transversale de la chaussure, fente ménagée dans la paroi médiale 18. Parce que les ouvertures latérale 17 et médiale 19 sont en regard l'une de l'autre transversalement, la base 2 est apte à fléchir longitudinalement, c'est-à-dire selon un axe transversal, au niveau de la zone de métatarse 13. En fait, la base 2 est flexible longitudinalement au niveau des ouvertures latérale 17 et médiale 19, dans la zone de métatarse 13. Cela facilite un bon déroulement du pied, mouvement particulièrement utile en conduite en pas alternatifs.The shoe 1 comprises a side wall 16 which has a lateral opening 17 at the metatarsal area 13, the lateral opening extending from the base 2 in a direction away from the base. In fact here the lateral opening 17 is a transverse slot of the shoe, a slot formed in the side wall 16. By analogy, the shoe 1 comprises a medial wall 18 which has a medial opening 19 at the metatarsal area 13, the medial opening extending from the base 2 in a direction away from the base. Here again, the medial opening 19 is a transverse slot of the shoe, a slot formed in the medial wall 18. Because the lateral 17 and medial 19 openings are facing each other transversely, the base 2 is capable of flex longitudinally, that is to say along a transverse axis, at the metatarsal area 13. In fact, the base 2 is longitudinally flexible at the lateral openings 17 and medial 19, in the metatarsal area 13. This facilitates a smooth foot, particularly useful movement in non-reciprocating mode.

De manière non limitative, l'ouverture latérale 17 et/ou l'ouverture médiale 19 présentent un élargissement 20 au niveau de la base 2, pour éviter tout risque d'amorce de rupture.In a nonlimiting manner, the lateral opening 17 and / or the medial opening 19 have an enlargement 20 at the level of the base 2, in order to avoid any risk of starting to break.

Selon la première forme de réalisation de l'invention, de manière non limitative, la base 2, la paroi latérale 16 et la paroi médiale 18 forment une pièce monobloc. Celle-ci est par exemple réalisée en matière plastique moulée, avec des fibres de matière composite imprégnées de résine synthétique ou de matière thermoplastique, ou autre. Des fibres de carbone noyées dans une résine thermodurcissable ont donné de bons résultats. Une alternative de construction consiste à fabriquer séparément les trois éléments 2, 16, 18 en cause, puis à rapporter chaque paroi sur la base. Au final, l'ensemble obtenu est toujours autoporteur. Cela signifie que la base et les parois conservent naturellement la forme qui leur est donnée par la fabrication. En particulier chaque paroi présente une rigidité suffisante pour se déformer élastiquement de manière réversible, par exemple lors d'un serrage comme on va le voir ci-après.According to the first embodiment of the invention, without limitation, the base 2, the side wall 16 and the medial wall 18 form a single piece. This is for example made of molded plastic, with fibers of composite material impregnated with synthetic resin or thermoplastic material, or other. Carbon fibers embedded in a thermosetting resin gave good results. A construction alternative is to manufacture separately the three elements 2, 16, 18 in question, then to report each wall on the base. In the end, the set obtained is always self-supporting. This means that the base and the walls naturally retain the shape that is given to them by the manufacture. In particular, each wall has a sufficient rigidity to deform elastically in a reversible manner, for example during a tightening as will be seen below.

On précise en effet que la chaussure 1 comprend des éléments de serrage 21, 22 des parois latérale 16 et médiale 18 en arrière des ouvertures 17, 19. La référence 21 correspond à un ensemble de passants répartis sur la paroi latérale 16 en arrière de l'ouverture latérale 17, ainsi que sur la paroi médiale 18, en arrière de l'ouverture médiale 19. Par exemple, chaque paroi 16, 18 porte trois passants 21, sachant qu'un autre nombre de passants peut convenir. La référence 22, quant à elle, désigne un lacet qui chemine par les passants. Au final, le lacet 22 peut être mis en tension, puis maintenu en tension par tout moyen connu de l'homme du métier, pour serrer les parois latérale 16 et médiale 18. Cela permet un bon maintien du pied lorsque l'utilisateur a chaussé.It is specified that the shoe 1 comprises clamping elements 21, 22 of the side walls 16 and medial 18 behind the openings 17, 19. The reference 21 corresponds to a set of loops distributed on the side wall 16 behind the lateral opening 17, as well as on the medial wall 18, behind the medial opening 19. For example, each wall 16, 18 carries three loops 21, knowing that another number of loops may be suitable. The reference 22, meanwhile, designates a lace that travels by passersby. Finally, the lace 22 can be tensioned and then maintained in tension by any means known to those skilled in the art, to tighten the side walls 16 and medial 18. This allows a good support of the foot when the user has shod .

Selon l'invention, la chaussure 1 comprend un volet latéral 23 qui s'étend au niveau de l'ouverture latérale 17 de la paroi latérale 16, et/ou un volet médial 24 qui s'étend au niveau de l'ouverture médiale 19 de la paroi médiale 18, ainsi que des éléments de serrage 21, 22 du ou des volets latéral 23 et médial 24.According to the invention, the boot 1 comprises a lateral flap 23 which extends at the level of the lateral opening 17 of the lateral wall 16, and / or a medial flap 24 which extends at the level of the medial opening 19 of the medial wall 18, as well as clamping elements 21, 22 of the lateral and medial flaps 23 and 24.

Chaque volet 23, 24 est un élément plus souple, ou moins rigide, que la paroi latérale 16 ou que la paroi médiale 18. Cela revient à dire que, pour une même sollicitation mécanique, un volet 23, 24 fléchit plus qu'une paroi 16, 18. On observe en complément que les éléments de serrage des volets 23, 24 sont, ici et de manière non limitative, des passants 21 et le lacet 22 vus avant. Chaque volet 23, 24 porte par exemple un passant 21, et le lacet 22 agit à la fois pour serrer les parois 16, 18 et pour serrer les volets 23, 24. Au final, la mise en tension du lacet 22 provoque le serrage des parois latérale 16 et médiale 18 en arrière des ouvertures 17, 19, ainsi que le serrage des volets latéral 23 et médial 24 au niveau des ouvertures. Par rapport à l'art antérieur, la chaussure 1 augmente la surface de serrage du pied, en l'étendant vers l'avant au-delà du cou-de-pied. Un serrage du pied est obtenu au niveau du métatarse, voire aussi à la base des orteils. Un avantage qui en découle est une amélioration du confort. En effet, pour une valeur donnée de la tension du lacet, la pression de serrage est réduite, puisque la répartition des passants est plus étendue.Each flap 23, 24 is a more flexible element, or less rigid, than the side wall 16 or the medial wall 18. This amounts to saying that, for the same mechanical stress, a flap 23, 24 flexes more than a wall 16, 18. It is observed in addition that the clamping elements of the flaps 23, 24 are, here and without limitation, loops 21 and the lace 22 seen before. Each flap 23, 24 carries for example a loop 21, and the lace 22 acts both to tighten the walls 16, 18 and to tighten the flaps 23, 24. In the end, the tensioning of the lace 22 causes the tightening side walls 16 and medial 18 behind the openings 17, 19, and the tightening of the side flaps 23 and medial 24 at the openings. Compared to the prior art, the shoe 1 increases the gripping area of the foot, extending it forward beyond the instep. A tightening of the foot is obtained at the metatarsal level, or even at the base of the toes. An advantage that arises is an improvement in comfort. Indeed, for a given value of the tension of the lace, the clamping pressure is reduced, since the distribution of passers is more extensive.

Un autre avantage est un meilleur rendement de conduite, lié à une amélioration de la perception des informations sensorielles et/ou une amélioration de la transmission des impulsions de conduite, conséquence du serrage exercé par les volets.Another advantage is a better driving performance, related to an improvement in the perception of sensory information and / or an improvement in the transmission of driving pulses, as a result of the tightening exerted by the flaps.

On peut dire également que la chaussure selon l'invention améliore la tenue du pied dans la chaussure, dans le sens où elle limite, voire empêche totalement, les mouvements intempestifs du pied dans la chaussure. Cela limite ou empêche l'apparition de traumatismes liés à la conduite.It can also be said that the shoe according to the invention improves the hold of the foot in the shoe, in the sense that it limits, or even completely prevents, untimely movements of the foot in the shoe. This limits or prevents the occurrence of trauma related to driving.

On peut dire encore que l'enveloppement du pied est amélioré.It can be said again that the wrapping of the foot is improved.

Selon la première forme de réalisation de l'invention, et de façon non limitative, on peut dire que la chaussure 1 comprend un dispositif de serrage unique 25, le dispositif de serrage comprenant les éléments de serrage 21, 22 des parois latérale 16 et médiale 18, ainsi que les éléments de serrage 21, 22 du ou des volets latéral 23 et médial 24. Le dispositif de serrage 25 est unique dans le sens où il comprend un seul lacet 22 qui agit pour serrer l'ensemble des passants 21. Une alternative de construction non représentée consiste à munir la chaussure de plusieurs dispositifs de serrage. Par exemple, on peut prévoir un cas pour lequel la chaussure 1 comprend les passants 21 déjà vus, un premier lacet pour serrer les parois 16, 18, et un deuxième lacet pour serrer les volets 23, 24.According to the first embodiment of the invention, and without limitation, it can be said that the shoe 1 comprises a single clamping device 25, the clamping device comprising the clamping elements 21, 22 of the side walls 16 and medial 18, as well as the clamping elements 21, 22 or the lateral flaps 23 and medial 24. The clamping device 25 is unique in the sense that it comprises a single lace 22 which acts to tighten all passers 21. A Alternative construction not shown is to provide the shoe with several clamping devices. For example, a case may be provided for which the boot 1 comprises the loops 21 already seen, a first lace to tighten the walls 16, 18, and a second lace to tighten the flaps 23, 24.

Toujours selon la première forme de réalisation de l'invention, la chaussure 1 comprend à la fois un volet latéral 23 et un volet médial 24. Ici plus précisément la chaussure 1 comprend un volet latéral 23 relié à la paroi latérale 16 à l'arrière de l'ouverture latérale 17, ainsi qu'un volet médial 24 relié à la paroi médiale 18 à l'arrière de l'ouverture médiale 19. On peut observer que chaque volet 23, 24 est relié uniquement à une paroi 16, 18, dans le sens où il est à l'écart de la base 2. Cela permet au dispositif de serrage 25 d'enserrer le pied au plus près du cou-de-pied. De manière non limitative, le volet latéral 23 et/ou le volet médial 24 sont disposés à l'extérieur de la paroi latérale 16 et/ou de la paroi médiale 18.Still according to the first embodiment of the invention, the shoe 1 comprises both a side flap 23 and a medial flap 24. Here more specifically the shoe 1 comprises a side flap 23 connected to the side wall 16 at the rear of the lateral opening 17, as well as a medial flap 24 connected to the medial wall 18 behind the medial opening 19. It can be observed that each flap 23, 24 is connected only to a wall 16, 18, in the sense that it is away from the base 2. This allows the clamping device 25 to grip the foot closer to the instep. In a nonlimiting manner, the lateral flap 23 and / or the medial flap 24 are disposed outside the lateral wall 16 and / or the medial wall 18.

Un volet 23, 24 est constitué par exemple d'une couche de cuir, d'une couche de matière synthétique relativement souple, telle que du polyuréthane, du caoutchouc, ou autre, ou encore d'une superposition de plusieurs couches. Cela lui confère la souplesse recherchée pour une optimisation de l'enveloppement du pied, et donc du serrage, au niveau des ouvertures 17, 19.A flap 23, 24 is constituted for example by a layer of leather, a layer of relatively flexible synthetic material, such as polyurethane, rubber, or other, or a superposition of several layers. This gives it the flexibility sought for an optimization of the wrapping of the foot, and therefore the tightening, at the openings 17, 19.

Un volet 23, 24 est solidarisé au reste de la chaussure 1, en l'occurrence une paroi 16, 18, par tout moyen approprié. Par exemple, selon la première forme de réalisation de l'invention, un volet 23, 24 est collé à la paroi 16, 18. On peut néanmoins prévoir d'autres moyens de solidarisation, comme une couture, un vissage, un rivetage, ou autre. Cela revient à dire que dans certains cas le volet est solidarisé au reste de la chaussure de manière permanente, et que dans d'autres cas, le volet est solidarisé au reste de la chaussure de manière amovible.A flap 23, 24 is secured to the rest of the shoe 1, in this case a wall 16, 18, by any appropriate means. For example, according to the first embodiment of the invention, a flap 23, 24 is bonded to the wall 16, 18. It is nevertheless possible to provide other securing means, such as a seam, a screwing, a riveting, or other. This is to say that in some cases the flap is secured to the rest of the shoe permanently, and that in other cases, the flap is secured to the rest of the shoe removably.

On observe en complément que la chaussure 1 comprend une paroi arrière 31 qui relie l'une à l'autre la paroi latérale 16 et la paroi médiale 18. En conséquence la base 2, la paroi latérale 16, la paroi arrière 31 et la paroi médiale 18 délimitent ensemble un volume d'accueil du talon du pied. Cela permet un bon maintien de ce dernier, et facilite la transmission des impulsions de conduite ou des informations sensorielles.It is observed in addition that the shoe 1 comprises a rear wall 31 which connects the side wall 16 and the medial wall 18 to one another. Consequently the base 2, the side wall 16, the rear wall 31 and the wall medial 18 delimit together a volume of reception heel of the foot. This allows a good maintenance of the latter, and facilitates the transmission of driving impulses or sensory information.

Dans le même esprit, la chaussure 1 comprend une paroi avant 32 qui relie l'une à l'autre la paroi latérale 16 et la paroi médiale 18. En conséquence la base 2, la paroi latérale 16, la paroi avant 32 et la paroi médiale 18 délimitent ensemble un volume d'accueil des orteils, ou au moins d'une partie des orteils. Cela protège ces derniers.In the same spirit, the shoe 1 comprises a front wall 32 which connects the side wall 16 and the medial wall 18 to one another. Consequently the base 2, the side wall 16, the front wall 32 and the wall medial 18 together define a reception volume of the toes, or at least a portion of the toes. This protects these.

On peut synthétiser ce qui précède en disant que la base 2, la paroi latérale 16, la paroi arrière 31, la paroi médiale 18 et la paroi avant 32 forment ensemble une pièce monobloc. Cela rend la fabrication plus simple, et allège la chaussure 1.We can synthesize the above by saying that the base 2, the side wall 16, the rear wall 31, the medial wall 18 and the front wall 32 together form a single piece. This makes the manufacturing simpler, and lighten the shoe 1.

De manière non limitative, toujours selon la première forme de réalisation, une ouverture longitudinale supérieure 33 est délimitée entre la paroi latérale 16 et la paroi médiale 18, l'ouverture longitudinale supérieure 33 communiquant avec l'ouverture latérale 17 et avec l'ouverture médiale 19. L'ouverture supérieure 33 permet un chaussage, un déchaussage, et le serrage du pied. Sa communication avec les ouvertures latérale 17 et médiale 19 améliore et facilite encore ces opérations.Without limitation, still according to the first embodiment, an upper longitudinal opening 33 is delimited between the side wall 16 and the medial wall 18, the upper longitudinal opening 33 communicating with the lateral opening 17 and with the medial opening 19. The upper opening 33 allows a boot, a heaving, and tightening of the foot. Its communication with lateral openings 17 and medial 19 further enhances and facilitates these operations.

En complément la chaussure 1 comprend une enveloppe de couverture 34, laquelle s'étend au moins au niveau de l'ouverture longitudinale supérieure 33, de l'ouverture latérale 17 et de l'ouverture médiale 19, ainsi qu'au niveau de subdivisions ou de la totalité des parois 16, 18, 31, 32 reliées à la base 2. Cela rend la chaussure étanche, ou au moins capable de prévenir l'intrusion de corps étrangers, tels que de la neige, des gravillons, ou autre.In addition, the boot 1 comprises a covering envelope 34, which extends at least at the level of the upper longitudinal opening 33, the lateral opening 17 and the medial opening 19, as well as at the level of subdivisions or all of the walls 16, 18, 31, 32 connected to the base 2. This makes the shoe waterproof, or at least able to prevent the intrusion of foreign bodies, such as snow, chippings, or other.

On observe aussi que la chaussure 1 est par exemple munie d'un chausson interne 35, pour un meilleur confort, ainsi que d'un dispositif de serrage externe complémentaire 36. Le chausson 35 et le dispositif 36 ne sont pas décrits en détail ici, car bien connus de l'homme du métier.It is also observed that the boot 1 is for example provided with an inner liner 35, for a better comfort, as well as a complementary external clamping device 36. The liner 35 and the device 36 are not described in detail here, because well known to those skilled in the art.

Les autres formes de réalisation sont décrites ci-après à l'aide des figures 5 à 8. Pour des raisons de commodité, les éléments communs avec la première forme sont désignés par les mêmes références.The other embodiments are described below using the Figures 5 to 8 . For the sake of convenience, the elements common with the first form are designated by the same references.

Pour la deuxième forme de réalisation, selon la figure 5, on retrouve une chaussure 1, avec une base 2, une paroi latérale 16, une paroi médiale 18, une paroi arrière 31 et une paroi avant 32. Là encore la paroi latérale et la paroi médiale présentent respectivement une ouverture, dans la zone de métatarse 13.For the second embodiment, according to the figure 5 , there is a shoe 1, with a base 2, a side wall 16, a medial wall 18, a rear wall 31 and a front wall 32. Here again the side wall and the medial wall respectively have an opening, in the zone of metatarsal 13.

Ce qui est spécifique à la deuxième forme de réalisation, c'est que la chaussure 1 comprend un volet latéral 43 relié à la base 2 au niveau de l'ouverture latérale 17, ainsi qu'un volet médial 44 relié à la base 2 au niveau de l'ouverture médiale 19. De manière non limitative, le volet latéral 43 est relié exclusivement à la base 2, et le volet médial 44 est relié exclusivement à la base 2. Cette construction rend le serrage des volets 43, 44 indépendant du serrage des parois 16, 18, en ce qui concerne l'application des volets et des parois sur le pied. On note que, de manière non limitative, chaque paroi 16, 18 est munie d'éléments de serrage tels que des passants 21, et que chaque volet 43, 44 est muni d'un élément de serrage tel qu'un passant 21. Le dispositif de serrage est là encore unique, dans le sens où il comprend un seul lacet 22.What is specific to the second embodiment is that the boot 1 comprises a lateral flap 43 connected to the base 2 at the level of the lateral opening 17, as well as a medial flap 44 connected to the base 2 level of the medial opening 19. In a nonlimiting manner, the lateral flap 43 is connected exclusively to the base 2, and the medial flap 44 is connected exclusively to the base 2. This construction makes the tightening of the flaps 43, 44 independent of the clamping the walls 16, 18, as regards the application of the shutters and walls on the foot. Note that, without limitation, each wall 16, 18 is provided with clamping elements such as loops 21, and each flap 43, 44 is provided with a clamping element such as a 21. The clamping device is again unique, in the sense that it comprises a single lace 22.

Pour la troisième forme de réalisation, selon la figure 6, on retrouve une chaussure 1, la aussi avec une base 2, une paroi latérale 16, une paroi médiale 18, une paroi arrière 31 et une paroi avant 32. A nouveau la paroi latérale et la paroi médiale présentent respectivement une ouverture, dans la zone de métatarse 13.For the third embodiment, according to the figure 6 , there is a shoe 1, also with a base 2, a side wall 16, a medial wall 18, a rear wall 31 and a front wall 32. Again the side wall and the medial wall respectively have an opening, in the metatarsal area 13.

Ce qui est spécifique à la troisième forme de réalisation, c'est que la chaussure 1 comprend un volet latéral 53 relié à la paroi latérale 16 à l'avant de l'ouverture latérale 17, ainsi qu'un volet médial 54 relié à la paroi médiale 18 à l'avant de l'ouverture médiale 19. De manière non limitative, le volet latéral 53 est relié exclusivement à la paroi latérale 16, et le volet médial 54 est relié exclusivement à la paroi médiale 18. Cette construction rend le serrage des volets 53, 54 plus actif à proximité des orteils. Là encore, chaque paroi 16, 18 est munie d'éléments de serrage tels que des passants 21, et chaque volet 53, 54 est muni d'un élément de serrage tel qu'un passant 21. Le dispositif de serrage est à nouveau unique : il comprend un seul lacet 22.What is specific to the third embodiment is that the boot 1 comprises a lateral flap 53 connected to the side wall 16 at the front of the lateral opening 17, as well as a medial flap 54 connected to the medial wall 18 at the front of the medial opening 19. Without limitation, the lateral flap 53 is connected exclusively to the side wall 16, and the medial flap 54 is connected exclusively to the medial wall 18. This construction makes the tightening the flaps 53, 54 more active near the toes. Again, each wall 16, 18 is provided with clamping elements such as loops 21, and each flap 53, 54 is provided with a clamping element such as a passer 21. The clamping device is once again unique : it includes only one lace 22.

Pour la quatrième forme de réalisation, selon la figure 7, on retrouve une chaussure 1, à nouveau avec une base 2, une paroi latérale 16, une paroi médiale 18, une paroi arrière 31 et une paroi avant 32. La paroi latérale et la paroi médiale présentent respectivement une ouverture, dans la zone de métatarse 13.For the fourth embodiment, according to the figure 7 , there is a shoe 1, again with a base 2, a side wall 16, a medial wall 18, a rear wall 31 and a front wall 32. The side wall and the medial wall respectively have an opening, in the zone of metatarsal 13.

Ce qui est spécifique à la quatrième forme de réalisation de l'invention, c'est que la chaussure 1 comprend un volet latéral 63 relié à la paroi latérale 16 à l'arrière de l'ouverture latérale 17, et disposé à l'intérieur de la paroi latérale 16, et/ou c'est que la chaussure 1 comprend un volet médial 64 relié à la paroi médiale 18 à l'arrière de l'ouverture médiale 19, et disposé à l'intérieur de la paroi médiale 18.What is specific to the fourth embodiment of the invention is that the boot 1 comprises a lateral flap 63 connected to the side wall 16 at the rear of the lateral opening 17, and arranged inside. of the side wall 16, and / or that the shoe 1 comprises a medial flap 64 connected to the medial wall 18 at the rear of the medial opening 19, and disposed inside the medial wall 18.

Pour la cinquième forme de réalisation, selon la figure 8, on retrouve une chaussure 1, encore avec une base 2, une paroi latérale 16, une paroi médiale 18, une paroi arrière 31 et une paroi avant 32. La paroi latérale et la paroi médiale présentent respectivement une ouverture, dans la zone de métatarse 13.For the fifth embodiment, according to the figure 8 , there is a shoe 1, again with a base 2, a side wall 16, a medial wall 18, a rear wall 31 and a front wall 32. The side wall and the medial wall respectively have an opening in the metatarsal area 13.

Ce qui est spécifique à la cinquième forme de réalisation de l'invention, c'est que la chaussure 1 comprend un volet latéral 73 relié à la paroi latérale 16 à l'arrière de l'ouverture latérale 17 et à l'avant de l'ouverture latérale 17, ainsi qu'à la base 2 au niveau de l'ouverture latérale 17, et/ou c'est que la chaussure 1 comprend un volet médial 74 relié à la paroi médiale 18 à l'arrière de l'ouverture médiale 19 et à l'avant de l'ouverture médiale 19, ainsi qu'à la base 2 au niveau de l'ouverture médiale 19.What is specific to the fifth embodiment of the invention is that the boot 1 comprises a lateral flap 73 connected to the side wall 16 at the rear of the lateral opening 17 and in front of the lateral opening 17, as well as at the base 2 at the level of the lateral opening 17, and / or that the boot 1 comprises a medial flap 74 connected to the medial wall 18 at the rear of the opening medial 19 and at the front of the medial opening 19, as well as at the base 2 at the medial opening 19.

Dans tous les cas l'invention est réalisée à partir de matériaux et selon des techniques de mise en oeuvre connus de l'homme du métier.In all cases the invention is made from materials and according to processing techniques known to those skilled in the art.

Bien entendu l'invention n'est pas limitée au formes de réalisation ci-avant décrites, et comprend tous les équivalents techniques pouvant entrer dans la portée des revendications qui vont suivre.Naturally, the invention is not limited to the embodiments described above, and includes all technical equivalents that fall within the scope of the claims that follow.

Par exemple, pour toute forme de réalisation, le dispositif de serrage peut présenter une autre structure, en comprenant deux lacets, plusieurs passants 21 sur un ou sur chaque volet.For example, for any embodiment, the clamping device may have another structure, comprising two laces, several loops 21 on one or each flap.

L'élément de serrage qu'est le passant 21 peut présenter toute structure appropriée, ou encore laisser place à un orifice ou à un oeillet. La structure en cause peut par exemple être un crochet, une chape logeant une poulie, un guide rigide inséré dans un lien souple, une sangle qui présente une boucle, ou autre.The clamping element that is the passer 21 may have any appropriate structure, or leave room for an orifice or an eyelet. The structure in question may for example be a hook, a clevis housing a pulley, a rigid guide inserted in a flexible link, a strap that has a loop, or other.

Un volet peut être solidarisé à la fois à la base 2 et à une paroi latérale 16 ou médiale 18.A flap can be secured to both the base 2 and a side wall 16 or medial 18.

Claims (10)

  1. Boot (1) designed to be reversibly retained on a sports device, the boot (1) comprising a base (2) that extends lengthwise from a rear end (3) to a front end (4), widthwise between a lateral edge (5) and a medial edge (6), and thickness-wise between a face (7) for cooperation with the device and an internal face (8), the base (2) having, from the rear end (3) to the front end (4), a rear region (11), a central region (12), a metatarsal region (13) that is positioned opposite the metatarsus, and a front region (14), the boot (1) comprising a lateral wall (16) that has a lateral opening (17) at the level of the metatarsal region (13), the lateral opening (17) extending from the base (2) in a direction of increasing distance from the base, the boot (1) comprising a medial wall (18) that has a medial opening (19) at the level of the metatarsal region (13), the medial opening (19) extending from the base (2) in a direction of increasing distance from the base, each wall (16, 18) having sufficient stiffness to deform elastically and reversibly, the boot also comprising elements (21, 22) for tightening the lateral wall (16) and medial wall (18) to the rear of the openings (17, 19), the boot comprising a lateral flap (23, 43, 53) that extends at the level of the lateral opening (17) of the lateral wall (16), and/or a medial flap (24, 44, 54) that extends at the level of the medial opening (19) of the medial wall (18), as well as elements (21, 22) for tightening the lateral (23, 43, 53) and medial (24, 44, 54) flap or flaps, the boot being characterized in that each flap (23, 24) is an element that is more flexible, or less rigid, than the lateral wall (16) or than the medial wall (18).
  2. Boot (1) according to Claim 1, characterized in that an upper longitudinal opening (33) is delimited between the lateral wall (16) and the medial wall (18), the upper longitudinal opening (33) communicating with the lateral opening (17) and with the medial opening (19).
  3. Boot (1) according to Claim 1 or 2, characterized in that the base (2) is flexible longitudinally at the level of the lateral opening (17) and the medial opening (19), in the metatarsal region (13).
  4. Boot (1) according to one of Claims 1 to 3, characterized in that it comprises a rear wall (31) that connects the lateral wall (16) and the medial wall (18) to one another.
  5. Boot (1) according to one of Claims 1 to 4, characterized in that it comprises a front wall (32) that connects the lateral wall (16) and the medial wall (18) to one another.
  6. Boot (1) according to one of Claims 1 to 5, characterized in that it comprises a lateral flap (23) connected to the lateral wall (16) to the rear of the lateral opening (17), and a medial flap (24) connected to the medial wall (18) to the rear of the medial opening (19).
  7. Boot (1) according to one of Claims 1 to 5, characterized in that it comprises a lateral flap (43) connected to the base (2) at the level of the lateral opening (17), and a medial flap (44) connected to the base (2) at the level of the medial opening (19).
  8. Boot (1) according to one of Claims 1 to 5, characterized in that it comprises a lateral flap (53) connected to the lateral wall (16) forward of the lateral opening (17), and a medial flap (54) connected to the medial wall (18) forward of the medial opening (19).
  9. Boot (1) according to one of Claims 1 to 8, characterized in that it comprises a tightening device (25), the tightening device (25) comprising elements (21, 22) for tightening the lateral wall (16) and medial wall (18), and elements (21, 22) for tightening the lateral (23, 43, 53) and medial (24, 44, 54) flap or flaps.
  10. Boot (1) according to one of Claims 1 to 9, characterized in that it comprises a covering envelope (34) that extends at least to the level of the upper longitudinal opening (33), the lateral opening (17) and the medial opening (19), and to the level of subdivisions of or all of the walls (16, 18, 31, 32) connected to the base (2).
EP15002435.4A 2014-09-01 2015-08-17 Sports shoe Not-in-force EP2989917B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1401940A FR3025070B1 (en) 2014-09-01 2014-09-01 SPORTS SHOE

Publications (2)

Publication Number Publication Date
EP2989917A1 EP2989917A1 (en) 2016-03-02
EP2989917B1 true EP2989917B1 (en) 2018-04-18

Family

ID=51726580

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15002435.4A Not-in-force EP2989917B1 (en) 2014-09-01 2015-08-17 Sports shoe

Country Status (3)

Country Link
EP (1) EP2989917B1 (en)
FR (1) FR3025070B1 (en)
RU (1) RU2015136989A (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1151866A (en) * 1977-04-13 1983-08-16 Josef Linecker Cross-country ski shoe and binding
WO2001035780A1 (en) * 1999-11-15 2001-05-25 Heierling Hans Martin Winter sports shoe
FR2811869B1 (en) * 2000-07-21 2002-12-13 Salomon Sa TIGHTENING DEVICE FOR FOOTWEAR
JP4908209B2 (en) * 2003-07-22 2012-04-04 キーン インコーポレイテッド Footwear articles with toes that are enclosed and connected like joints
AT501443B1 (en) * 2005-02-04 2007-03-15 Atomic Austria Gmbh SPORTS SHOE FOR RUNNING OR SHIELDING
US7631440B2 (en) * 2005-07-15 2009-12-15 The Timberland Company Shoe with anatomical protection
FR2971675B1 (en) * 2011-02-21 2014-10-10 Eurl Gignoux FLEXIBLE SHOE SHELL AT THE METATARSO-PHALANGIAN JOINT

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
FR3025070A1 (en) 2016-03-04
RU2015136989A (en) 2017-03-06
EP2989917A1 (en) 2016-03-02
FR3025070B1 (en) 2017-06-23

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