EP3050451A1 - Footwear element - Google Patents

Footwear element Download PDF

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Publication number
EP3050451A1
EP3050451A1 EP16000005.5A EP16000005A EP3050451A1 EP 3050451 A1 EP3050451 A1 EP 3050451A1 EP 16000005 A EP16000005 A EP 16000005A EP 3050451 A1 EP3050451 A1 EP 3050451A1
Authority
EP
European Patent Office
Prior art keywords
footwear
reinforcement
footwear element
outer sole
base
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.)
Withdrawn
Application number
EP16000005.5A
Other languages
German (de)
French (fr)
Inventor
François Girard
Philippe Margolliet
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
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 Salomon SAS filed Critical Salomon SAS
Publication of EP3050451A1 publication Critical patent/EP3050451A1/en
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C15/00—Non-skid devices or attachments
    • A43C15/06—Ice-gripping devices or attachments, e.g. ice-spurs, ice-cleats, ice-creepers, crampons; Climbing devices or attachments, e.g. mountain climbing irons
    • A43C15/068—Climbing devices or attachments, e.g. glacier crampons, mountain climbing irons
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/02—Soles; Sole-and-heel integral units characterised by the material
    • A43B13/12—Soles with several layers of different materials
    • A43B13/122—Soles with several layers of different materials characterised by the outsole or external layer
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B13/00—Soles; Sole-and-heel integral units
    • A43B13/14—Soles; Sole-and-heel integral units characterised by the constructive form
    • A43B13/22—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer
    • A43B13/24—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions
    • A43B13/26—Soles made slip-preventing or wear-resisting, e.g. by impregnation or spreading a wear-resisting layer by use of insertions projecting beyond the sole surface
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B3/00—Footwear characterised by the shape or the use
    • A43B3/16—Overshoes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/18—Attachable overshoes for sporting purposes
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/18—Attachable overshoes for sporting purposes
    • A43B5/185—Attachable overshoes for sporting purposes with a sole covering spikes or cleats
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C13/00—Wear-resisting attachments
    • A43C13/04—Cleats; Simple studs; Screws; Hob-nails
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C15/00—Non-skid devices or attachments
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C15/00—Non-skid devices or attachments
    • A43C15/06—Ice-gripping devices or attachments, e.g. ice-spurs, ice-cleats, ice-creepers, crampons; Climbing devices or attachments, e.g. mountain climbing irons
    • A43C15/061—Ice-gripping devices or attachments, e.g. ice-cleats, ice-creepers
    • A43C15/063—Ice-gripping devices or attachments, e.g. ice-cleats, ice-creepers with ice-gripping means projecting from the front foot region
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C15/00—Non-skid devices or attachments
    • A43C15/06—Ice-gripping devices or attachments, e.g. ice-spurs, ice-cleats, ice-creepers, crampons; Climbing devices or attachments, e.g. mountain climbing irons
    • A43C15/061—Ice-gripping devices or attachments, e.g. ice-cleats, ice-creepers
    • A43C15/066—Ice-gripping devices or attachments, e.g. ice-cleats, ice-creepers with ice-gripping means projecting from the heel area, e.g. ice spurs

Definitions

  • the invention relates to a footwear element comprising an outer sole and a flexible upper, as well as points that protrude at an outer face of the outer sole.
  • the footwear element is intended to house a shoe, including sports.
  • the invention also relates to an assembly comprising the footwear element and the shoe.
  • the footwear element as well as the shoe, can be used in areas such as walking or running on horizontal terrain, hilly or mountainous, mountaineering, or climbing.
  • the shoe is known per se. It includes an outer sole and a flexible shaft, which allows a user to walk, run, or practice a sport in the usual conditions, that is to say sometimes on dry land, or sometimes on land wet, wet, or even snowy or muddy. Walking, running or playing a sport is difficult or even dangerous when the terrain is degraded or naturally difficult. This is particularly the case for soils made slippery for example because of mud, snow, ice, or other. To cope with situations such as those mentioned above, it is known to cover the shoe with a footwear element, which is precisely designed to facilitate walking, running or playing a sport on difficult terrain.
  • the footwear element comprises an outer sole and a flexible upper, as well as points that protrude at an outer face of the outer sole.
  • the footwear element allows the user to walk, run, or more generally to evolve on degraded or naturally difficult terrain.
  • the footwear element is particularly suitable for snow or ice.
  • the user can practice his activity in good conditions, that is to say, in particular with a good level of comfort or a good level of security.
  • it has emerged that the use of a footwear item with spikes sometimes poses certain problems.
  • a first problem is that of the precision of the supports or, more broadly, the precision of the transmissions of sensory information. This first problem occurs especially during extreme conditions of use. This is the case, for example, for glacier evolutions. There are parasitic movements of the foot with respect to the tips, movements that alter the precision of the supports, the precision of the transmissions of sensory information, and which moreover can be source of additional fatigues, or of traumatisms.
  • a second problem is the accumulation of snow or ice at the tips, at the level of the outer sole, and even sometimes at the areas of the stem located near the outer sole.
  • Excess snow or ice weighs down the footwear, which is a source of fatigue for the user, or even a source of trauma.
  • the excess above mentioned also sometimes hinders the action of the spikes.
  • the accumulation of snow or ice is therefore also detrimental to the accuracy of the supports or transmissions of sensory information.
  • the general object of the invention is the improvement of a footwear element provided with spikes. More specifically, the invention seeks to improve the accuracy of the supports or, more broadly, the accuracy of transmissions of sensory information. The invention further seeks to reduce the accumulation of snow or ice at the tips, at the outer sole, or even at the areas of the stem located near the outer sole. In correlation with the foregoing the invention aims to reduce user fatigue, and also reduce, or even totally eliminate, the generation of injuries associated with the use of the footwear element.
  • the invention provides a footwear comprising a flexible outer sole and a flexible upper, the footwear element extending in length from a rear end to a front end, in width between a side portion and a portion medial, and in height from an outer face of the outer sole to an upper end, the footwear element having a boot opening, the footwear element comprising points which protrude at the outer face of the outer sole.
  • the footwear element according to the invention is characterized in that it comprises at least one reinforcement, the reinforcement comprising a base and a wall, the base extending facing the outer sole outside the footwear element. the wall extending from the base to the upper end also outside the footwear element.
  • the wall of the reinforcement extends in part opposite the rod, which locally limits or prevents certain deformations of the latter.
  • the wall plays the role of a stop, through a subdivision of the rod, to limit or prevent one or movements of the foot, parallel to the base and in a direction of approximation of the wall.
  • the foot moves very little, if at all, parallel to the base. This is to say that the foot moves very little, if any, relative to the tips. There is therefore little or no parasitic movement of the foot relative to the tips. This is true for example when using on a glacier.
  • the accuracy of the supports or, more broadly, the accuracy of transmissions of sensory information is better.
  • Other advantages include the reduction of user fatigue, as well as the reduction or total disappearance of trauma.
  • the wall limits or strongly prevents the adhesion of snow or ice, on the outer sole and in some cases on areas of the stem, which lighten the footwear element when used in a snow or snow environment. ice cream. This also contributes to a reduction of user fatigue.
  • the footwear when used in a snow or ice atmosphere.
  • a benefit that results is a further reduction of user fatigue.
  • the total or almost total absence of snow or ice residues between the tips makes it possible for them to perform their action of penetration in the snow, or hanging on the ice.
  • the volume between the outer sole and the ends of the tips is not cluttered when the footwear element is not resting on the ground; the action of the tips is not hindered.
  • the efficiency and accuracy in the transmission of the bearings and sensory information are higher, compared to what they are for a footwear element according to the prior art.
  • the invention prevents the appearance of certain traumas.
  • the invention improves a footwear element which includes spikes.
  • the first embodiment that will be described after more specifically relates to a footwear element for walking or running on snow or ice, or for climbing in ice cascades.
  • the invention applies to other fields such as those mentioned before.
  • a footwear element 1 is provided to accommodate a walking shoe or race 2, itself intended to accommodate the foot of the user.
  • the footwear element 1 comprises a flexible outer sole 3 and a flexible upper 4.
  • the footwear element extends in length from a rear end or heel 5 to a front end or tip 6, and in width between a lateral portion 7 and a medial portion 8.
  • the footwear element 1 also comprises spikes 9 which protrude at an outer face 10 of the outer sole 3.
  • the implantation of the spikes 9 will be detailed later, although it can already be specified that each spike 9 serves to improve the adherence of the footwear element 1 on slippery ground, with snow or ice.
  • the rod 4 comprises a first portion or lower portion 11, provided to surround the foot via the boot 2, and an upper portion 12, which extends the lower portion 11 in a direction away from the outer sole 3, the upper portion 12 being provided to cover at least the ankle of the user, or the ankle and part of the lower leg.
  • the footwear element comprises only a low portion.
  • the upper portion 12 of the rod 4 increases the outer surface of the footwear element 1, with respect to an element whose stem only comprises a low portion.
  • the upper portion 12 of the upper 4 also increases the amount of footwear and protection of the footwear element.
  • the specific properties of the lower portion 11 of the rod such as water or snowtightness, or thermal insulation, are extended by the upper portion 12.
  • these are at the same time the foot , the ankle and part of the lower leg that are protected. Water, snow or ice can hardly penetrate, if at all, inside the footwear element 1.
  • the boot 2 is therefore also protected.
  • the shoe 2 comprises an outer sole 13 and a flexible rod 14.
  • the shoe 2 extends in length from a rear end or heel 15 to a front end or tip 16, and in width between a portion 17 and a medial portion 18.
  • the shoe 2 comprises a lower portion 19 to the exclusion of any high portion.
  • the shoe 2 extends in height from the outer sole 13 to an upper end 20, that is to say to the free end of the lower portion 19 or the rod 14.
  • the footwear element 1 extends in height from the outer soleing 3 to an upper end 21, that is to say up to the free end of the upper portion 12 or the rod 4
  • the upper end 20 of the rod 14 is closer to the outer sole 3 than is the upper end 21. This reflects the fact that the stem 4 of the footwear item 1 extends the cover obtained by the upper 14 of the shoe 2.
  • the lower portion 11 and the upper portion 12 of the footwear element 1 form a continuous envelope. This means that no passage remains for the intrusion of foreign bodies. This also means that the protection provided by the flexible rod 4 extends both at the lower portion 11 and at the upper portion 12.
  • the footwear element 1 has a boot opening 25.
  • This 25 extends from the upper end 21 towards the external sole 3.
  • the opening 25 has an upper subdivision 26 for passing the foot, and also to surround the lower leg after donning.
  • the boot opening 25 of the flexible upper 4 has a lower lateral subdivision 27 and a medial lower subdivision 28, which allow a variation of size of the opening and a variation of the volume of footwear.
  • the upper 26 and lower 27 lateral subdivisions extend one another
  • the upper 26 and lower medial 28 subdivisions extend one another. This arrangement allows the introduction of the shoe 2 in the footwear element 1, or its withdrawal.
  • the arrangement above allows the introduction or withdrawal of the foot, at the same time as the shoe. It is specified in passing that it is possible to provide a construction alternative for which the boot opening 25 has the upper subdivision 26, and a rear lower subdivision. In this case, the latter extends at the level of the lower leg and the heel, between the upper end 21 and the rear end 5 at the level of the outer sole 3.
  • the upper subdivision 26 and the lower rear subdivision are prolonged. one another.
  • the footwear element 1 also comprises closure means 29 of the lower lateral subdivision 27 of the boot opening 25, as well as closing means 30 of the medial lower subdivision 28 of the boot opening 25.
  • rod 4 in contact with the shoe 2 on the one hand, and in contact with the ankle and lower leg on the other hand.
  • closure means 29, 30 respectively comprise slides 31, 32. These last allow a quick opening or closing of the lower subdivision 27, which saves time for shoeing or loosening.
  • closure means such as a lace device, a device with complementary bands, one of which is provided with loops and the other of hooks, or any equivalent means.
  • the arrangement near the rear of the stem of the subdivisions 27, 28 facilitates the donning of the footwear element 1 by a foot already covered with the shoe.
  • Another advantage is better resistance to the penetration of foreign bodies, especially in snowy conditions.
  • the lower subdivisions 27, 28 are located towards the rear, the front face 33 of the rod 4 is continuous from the front end 6 to the upper end 21. In other words, the front face has no passage.
  • the march is translated by advances and contacts of the rod 4 with the snow on the side of this face. Its continuity of structure is a pledge of sealing and / or protection.
  • the boot opening 25 has an upper subdivision 26 and at least one lower subdivision 27, 28, the lower subdivision 27, 28 being situated in an area which extends over 50% of the length of the footwear element 1 from the rear end 5.
  • the footwear element 1 comprises at least one reinforcement 35, 36, the reinforcement 35, 36 comprising a base 37 and a wall 38, the base 37 extending facing the outer sole 3 outside the the footwear element 1, the wall 38 extending from the base 37 towards the upper end 21 also outside the footwear element 1.
  • the wall 38 of the reinforcement 36 extends in part opposite the rod 4, which locally limits or prevents certain deformations of the latter.
  • the wall plays the role of a stop, through a subdivision of the rod, to limit or prevent one or movements of the foot, parallel to the base 37 and in a direction of approximation of the wall.
  • the foot moves very little, if at all, parallel to the base.
  • the foot moves very little, if any, relative to the tips.
  • the accuracy of the supports or, more broadly, the accuracy of transmissions of sensory information is better.
  • Other advantages include the reduction of user fatigue, as well as the reduction or total disappearance of trauma.
  • the wall 38 limits or strongly prevents the adhesion of snow or ice, on the outer soleing 3 and in some cases on areas of the rod 4, which lighten the footwear element 1 during use in the environment. snow or ice. This also contributes to a reduction of user fatigue.
  • the base 37 limits or strongly prevents the adhesion of snow or ice, on the outer sole 3, between the spikes 9. Again this lightening the footwear element when used in a snow or snow environment. ice cream. A benefit that results is a further reduction of user fatigue.
  • the total or almost total absence of snow or ice residues between the tips makes it possible for them to perform their action of penetration in the snow, or hanging on the ice.
  • the volume between the outer sole and the ends of the tips is not cluttered when the footwear element is not resting on the ground; the action of the tips is not hindered. As a result, the efficiency and accuracy in the transmission of supports and sensory information are high.
  • the footwear element 1 comprises a rear reinforcement 35. This allows the rear part of the footwear element to faithfully transmit the sensory information, on the one hand, and to limit the user fatigue, on the other hand.
  • the footwear element 1 comprises a rear cleat 41, the rear cleat comprising a body 42 and spikes 9, the body 42 being disposed between the outer sole 3 and the base of the rear reinforcement 35.
  • the structure of the crampon will be better understood by the lighting that will be brought further. Nevertheless, it is already possible to specify that all the points situated at the rear of the footwear element are secured to the same body, which brings stability to the support catch and the transmission of sensory information at the heel, while allowing the base of the reinforcement to limit or prevent the presence of snow or ice between the tips.
  • the rear spike 41 is removable. This allows for example a replacement in case of wear, or a selection among several structures each of which is adapted to a specific practice. Here again the removability will be better understood by the lighting that will be brought later.
  • the footwear element 1 comprises a front reinforcement 36. This allows the front part of the footwear to faithfully transmit the sensory information, on the one hand , and to limit the fatigue of the user, on the other hand.
  • the footwear element 1 comprises a front cleat 43, the front cleat comprising a body 44 and spikes 9, the body 44 being disposed between the outer sole 3 and the base 37 of the front reinforcement 36.
  • the structure of the crampon 43 will be better understood by the lighting that will be brought further. Nevertheless, it is already possible to specify that all the points located at the front of the footwear element are secured to the same body, which brings stability to the supports and to the sensory information transmissions at the toes, or to the toes and metatarsals, while allowing the base of the brace to limit or prevent the presence of snow or ice between the tips.
  • the front spike 43 is removable. This allows for example a replacement in case of wear, or a selection among several structures each of which is adapted to a specific practice. Here again the removability will be better understood by the lighting that will be brought later.
  • the front reinforcement 36 is secured to the sole 3 and / or the rod 4 removably. That is to say that it is removable.
  • the rear reinforcement 35 is secured to the sole 3 and / or the rod 4 removably. That is to say that it is removable.
  • the reinforcement 35, 36 is secured to the sole assembly 3 and / or the rod 4 removably.
  • the footwear element 1 comprises one or more securing means provided for simultaneously retaining the front reinforcement 36 and the front cleat 43.
  • the securing means comprises one or more screws 45. Each screw passes through the base 37 of the reinforcement 36, then the body 44 of the crampon 43, then again the outer sole 3, to finally screw into a base 46 housed in the footwear element 1.
  • the reinforcement and the crampon are secured to the outer sole 3 using a tool, here a screwdriver or any equivalent tool. It is possible alternatively to provide a fastening without tools.
  • the wall 38 of the front reinforcement 36 runs along at least 50% of the portion of the contour of the base 37 located at the edge of the outer sole 3. Even if this is not detailed here, it is specified that the wall of the rear reinforcement runs along at least 50% of the portion of the contour of the base at the edge of the outer sole 3.
  • the wall of the reinforcement lasts at least 50% of the portion of the contour of the base located at the edge of the outer sole 3. This allows here a retention of the outer sole 3, parallel to the base 37 or the body 44, in a transverse direction and also to the forward in the longitudinal direction.
  • the wall of the reinforcement runs along 100% of the portion of the contour of the base at the edge of the outer sole 3.
  • the wall 38 has a continuous structure. This optimizes the maintenance of the outer sole, as well as the evacuation of snow or ice at the edges of the outer sole.
  • the height of the wall 38 of the front reinforcement 36 does not exceed 50% of a distance measured between the outer face 10 of the outer sole 3 and the upper end. 21.
  • the height of the wall of the rear reinforcement does not exceed 50% of a distance measured between the outer face 10 of the outer sole 3 and the upper end 21.
  • the height of the wall of the reinforcement does not exceed 50% of a distance measured between the outer face 10 of the outer sole 3 and the upper end 21. observed that good results have been obtained for distances between 3 and 20%.
  • the height of the wall of a reinforcement is measured from the base of this reinforcement, in a direction perpendicular to the base, and in a direction away from it.
  • the front reinforcement 36 comprises a synthetic material.
  • the rear reinforcement 35 comprises a synthetic material.
  • the reinforcement comprises a synthetic material. More specifically, the reinforcement is made of a plastic material such as polyurethane, polyamide, polyethylene, or any comparable material. In any case, the chosen plastic material does not adhere to snow or ice. This material resists abrasion, punching, cuts.
  • the plastic material may be thermoformable, for better adaptation to the structure of the footwear element. It can also be expected to use two or more materials, for example implemented by bi-injection techniques.
  • the reinforcement is alternately constituted by fibers or portions of fibers embedded in a resin or plastic matrix.
  • the fibers may be glass, carbon, aramid, or any suitable material.
  • the reinforcement is for example structured so that the base and the wall form a single piece.
  • the synthetic material constituting the reinforcement promotes sliding or unhooking of snow or ice.
  • the footwear element comprises a single reinforcement 51 which extends from the rear end 5 to the front end 6.
  • the reinforcement 51 s extends with regard to the entirety of the outer sole 3.
  • the reinforcement 51 according to the second form comprises a base 52 and a wall 53.
  • the base 52 extends facing the entire outer sole 3
  • the wall 53 of the reinforcement 51 runs at least 50% of the portion of the contour of the base 52 situated at the edge of the outer sole 3.
  • the wall 53 forms a peripheral belt for receiving the outer sole 3, along 100% of the portion of the contour of the base 52 located at the edge of the sole. This optimizes the transverse restraint of the sole assembly with respect to the reinforcement and the rear and front 36 and 36 crampons.
  • the footwear element 1 comprises a retaining means of the cleat external sole, the retaining means for the release of the crampon.
  • the crampon in question is that located at the front, of reference 43. More concretely, as we have seen, the crampon 43 comprises the body 44 and spikes 9.
  • the front reinforcement 66 meanwhile, comprises a base 67 and a wall 68.
  • the reinforcement 66 is structured to allow the establishment of the crampon facing the outer sole, or the removal of the crampon.
  • the crampon 43 is secured in a removable manner to the rest of the footwear element. This allows a subsequent replacement for example a wear, a selection among several crampons for adaptation to a given practice, or other.
  • This means is for example constituted by one or more screws 71, which can for example pass through a point 9 to screw into the part mobile 70 of the base 67.
  • This is a locking means implemented using a tool, knowing that a construction alternative is to provide a locking means implemented without the aid of a tool.
  • the reinforcement 66 is secured to the sole assembly 3 and / or the rod 4 in a non-removable manner.
  • the reinforcement is secured by gluing, welding, or any equivalent technique. This facilitates handling of the footwear for setting up or removing the crampon. Indeed, the mobile part 70 of the base 67 is more easily handled if the reinforcement 66 is held on the sole assembly 3.
  • the invention covers an assembly comprising a low-stemmed shoe 2 and a footwear element 1.
  • the outer soleing 3 comprises for example one or more layers of synthetic material. Without limitation, it may be provided a layer of material such as a polyurethane, whose thickness is between 3 and 7mm.
  • any footwear structure may be provided for which a cleat is removable, or not, and for which a reinforcement is removable, or not.
  • each reinforcement may comprise several parts and, in this case, the reinforcement is not a single piece.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

Elément chaussant (1) comprenant un semelage externe souple (3) et une tige souple (4), l'élément chaussant (1) s'étendant en longueur depuis une extrémité arrière (5) jusqu'à une extrémité avant (6), en largeur entre une partie latérale (7) et une partie médiale (8), et en hauteur depuis une face externe (10) du semelage externe (3) jusqu'à une extrémité supérieure (21), l'élément chaussant présentant une ouverture de chaussage (25), l'élément chaussant comprenant des pointes (9) qui font saillie au niveau de la face externe (10) du semelage externe (3). L'élément chaussant (1) comprend au moins un renfort (35, 36), le renfort (35, 36) comprenant une base (37) et une paroi (38), la base (37) s'étendant en regard du semelage externe (3) à l'extérieur de l'élément chaussant (1), la paroi (38) s'étendant depuis la base (37) vers l'extrémité supérieure (21) également à l'extérieur de l'élément chaussant (1).Footwear element (1) comprising a flexible outer sole (3) and a flexible upper (4), the footwear element (1) extending in length from a rear end (5) to a front end (6), in width between a lateral portion (7) and a medial portion (8), and in height from an outer face (10) of the outer sole (3) to an upper end (21), the footwear having an opening footwear (25), the footwear element comprising spikes (9) projecting at the outer face (10) of the outer sole (3). The footwear element (1) comprises at least one reinforcement (35, 36), the reinforcement (35, 36) comprising a base (37) and a wall (38), the base (37) extending facing the sole external (3) outside of the footwear element (1), the wall (38) extending from the base (37) towards the upper end (21) also outside the footwear element ( 1).

Description

L'invention se rapporte à un élément chaussant comprenant un semelage externe et une tige souple, ainsi que des pointes qui font saillie au niveau d'une face externe du semelage externe. L'élément chaussant a vocation à loger une chaussure, notamment de sport. L'invention se rapporte également à un ensemble comprenant l'élément chaussant et la chaussure.The invention relates to a footwear element comprising an outer sole and a flexible upper, as well as points that protrude at an outer face of the outer sole. The footwear element is intended to house a shoe, including sports. The invention also relates to an assembly comprising the footwear element and the shoe.

L'élément chaussant, ainsi que la chaussure, peuvent être utilisés dans des domaines tels que la marche ou la course sur terrain horizontal, vallonné ou montagneux, l'alpinisme, ou encore l'escalade.The footwear element, as well as the shoe, can be used in areas such as walking or running on horizontal terrain, hilly or mountainous, mountaineering, or climbing.

La chaussure est connue en soi. Elle comprend un semelage externe et une tige souple, ce qui permet à un utilisateur de marcher, de courir, ou de pratiquer un sport dans des conditions usuelles, c'est-à-dire tantôt sur des terrains secs, ou tantôt sur des terrains humides, mouillés, voire neigeux ou boueux. La marche, la course ou la pratique d'un sport sont rendues difficiles, voire dangereuses, lorsque les terrains sont dégradés ou naturellement difficiles. C'est le cas en particulier pour les sols rendus glissants par exemple à cause de boue, de neige, de glace, ou autre. Pour faire face aux situations comme celles évoquées ci-avant, il est connu de recouvrir la chaussure d'un élément chaussant, lequel est justement prévu pour faciliter la marche, la course ou la pratique d'un sport sur des terrains difficiles.The shoe is known per se. It includes an outer sole and a flexible shaft, which allows a user to walk, run, or practice a sport in the usual conditions, that is to say sometimes on dry land, or sometimes on land wet, wet, or even snowy or muddy. Walking, running or playing a sport is difficult or even dangerous when the terrain is degraded or naturally difficult. This is particularly the case for soils made slippery for example because of mud, snow, ice, or other. To cope with situations such as those mentioned above, it is known to cover the shoe with a footwear element, which is precisely designed to facilitate walking, running or playing a sport on difficult terrain.

En général, l'élément chaussant comprend un semelage externe et une tige souple, ainsi que des pointes qui font saillie au niveau d'une face externe du semelage externe. Par les pointes qu'il porte, l'élément chaussant permet à l'utilisateur de marcher, de courir, ou plus généralement d'évoluer, sur des terrains dégradés ou naturellement difficiles. L'élément chaussant est notamment adapté à la neige ou à la glace. En conséquence l'utilisateur peut pratiquer son activité dans de bonnes conditions , c'est-à-dire notamment avec un bon niveau de confort ou un bon niveau de sécurité. Cependant, il est apparu que l'utilisation d'un élément chaussant muni de pointes pose parfois certains problèmes.In general, the footwear element comprises an outer sole and a flexible upper, as well as points that protrude at an outer face of the outer sole. By the points it carries, the footwear element allows the user to walk, run, or more generally to evolve on degraded or naturally difficult terrain. The footwear element is particularly suitable for snow or ice. As a result, the user can practice his activity in good conditions, that is to say, in particular with a good level of comfort or a good level of security. However, it has emerged that the use of a footwear item with spikes sometimes poses certain problems.

En effet, si les pointes rendent la marche, la course ou la pratique d'un sport plus facile en ce qui concerne par exemple l'adhérence au sol, la précision des appuis ou la transmission des informations sensorielles, on s'aperçoit que l'utilisateur est quand même gêné dans certaines conditions.Indeed, if the tips make the walk, the race or the practice of an easier sport as regards for example the adhesion to the ground, the precision of the supports or the transmission of the sensory information, one realizes that the the user is still embarrassed under certain conditions.

Un premier problème est celui de la précision des appuis ou, de façon plus large, de la précision des transmissions d'informations sensorielles. Ce premier problème survient surtout lors de conditions d'utilisation extrêmes. C'est le cas par exemple pour les évolutions sur glacier. On observe des mouvements parasites du pied par rapport aux pointes, mouvements qui altèrent la précision des appuis, la précision des transmissions d'informations sensorielles, et qui de plus peuvent être source de fatigues supplémentaires, ou de traumatismes.A first problem is that of the precision of the supports or, more broadly, the precision of the transmissions of sensory information. This first problem occurs especially during extreme conditions of use. This is the case, for example, for glacier evolutions. There are parasitic movements of the foot with respect to the tips, movements that alter the precision of the supports, the precision of the transmissions of sensory information, and which moreover can be source of additional fatigues, or of traumatisms.

Un second problème est celui de l'accumulation de neige ou de glace au niveau des pointes, au niveau du semelage externe, et même parfois au niveau de zones de la tige situées à proximité du semelage externe. L'excès de neige ou de glace alourdit l'élément chaussant, ce qui constitue une source de fatigue pour l'utilisateur, voire encore une source de traumatismes. L'excès ci-avant évoqué gêne aussi parfois l'action des pointes. Il faut entendre par là que les pointes exercent moins bien leur action de pénétration dans la neige, ou d'accrochage sur la glace, parce que des résidus de ces éléments remplissent le volume compris entre le semelage externe et les extrémités des pointes. L'accumulation de neige ou de glace est donc également néfaste à la précision des appuis ou des transmissions d'informations sensorielles.A second problem is the accumulation of snow or ice at the tips, at the level of the outer sole, and even sometimes at the areas of the stem located near the outer sole. Excess snow or ice weighs down the footwear, which is a source of fatigue for the user, or even a source of trauma. The excess above mentioned also sometimes hinders the action of the spikes. This means that the tips perform less well their action of penetration into the snow, or hanging on ice, because residues of these elements fill the volume between the outer sole and the ends of the tips. The accumulation of snow or ice is therefore also detrimental to the accuracy of the supports or transmissions of sensory information.

Par rapport à cela, l'invention a pour but général l'amélioration d'un élément chaussant muni de pointes. Plus précisément, l'invention cherche à améliorer la précision des appuis ou, de façon plus large, la précision des transmissions d'informations sensorielles. L'invention cherche encore à réduire l'accumulation de neige ou de glace au niveau des pointes, au niveau du semelage externe, voire au niveau de zones de la tige situées à proximité du semelage externe. En corrélation avec ce qui précède l'invention veut réduire la fatigue de l'utilisateur, et aussi réduire, ou même totalement supprimer, la génération de traumatismes liés à l'utilisation de l'élément chaussant.In relation to this, the general object of the invention is the improvement of a footwear element provided with spikes. More specifically, the invention seeks to improve the accuracy of the supports or, more broadly, the accuracy of transmissions of sensory information. The invention further seeks to reduce the accumulation of snow or ice at the tips, at the outer sole, or even at the areas of the stem located near the outer sole. In correlation with the foregoing the invention aims to reduce user fatigue, and also reduce, or even totally eliminate, the generation of injuries associated with the use of the footwear element.

Pour ce faire, l'invention propose un élément chaussant comprenant un semelage externe souple et une tige souple, l'élément chaussant s'étendant en longueur depuis une extrémité arrière jusqu'à une extrémité avant, en largeur entre une partie latérale et une partie médiale, et en hauteur depuis une face externe du semelage externe jusqu'à une extrémité supérieure, l'élément chaussant présentant une ouverture de chaussage, l'élément chaussant comprenant des pointes qui font saillie au niveau de la face externe du semelage externe.To do this, the invention provides a footwear comprising a flexible outer sole and a flexible upper, the footwear element extending in length from a rear end to a front end, in width between a side portion and a portion medial, and in height from an outer face of the outer sole to an upper end, the footwear element having a boot opening, the footwear element comprising points which protrude at the outer face of the outer sole.

L'élément chaussant selon l'invention est caractérisé par le fait qu'il comprend au moins un renfort, le renfort comprenant une base et une paroi, la base s'étendant en regard du semelage externe à l'extérieur de l'élément chaussant, la paroi s'étendant depuis la base vers l'extrémité supérieure également à l'extérieur de l'élément chaussant.The footwear element according to the invention is characterized in that it comprises at least one reinforcement, the reinforcement comprising a base and a wall, the base extending facing the outer sole outside the footwear element. the wall extending from the base to the upper end also outside the footwear element.

La paroi du renfort s'étend en partie en regard de la tige, ce qui limite ou empêche localement certaines déformations de cette dernière. De fait la paroi joue le rôle d'une butée, à travers une subdivision de la tige, pour limiter ou empêcher un ou des déplacements du pied, parallèlement à la base et dans un sens de rapprochement de la paroi. On verra plus loin dans la description quelles sont les directions dans lesquelles agit la paroi. Il en résulte que le pied se déplace très peu, voire pas du tout, parallèlement à la base. Cela revient à dire que le pied se déplace très peu, voire pas du tout, par rapport aux pointes. Il n'y a donc que peu ou pas du tout de mouvements parasites du pied par rapport aux pointes. Cela se vérifie par exemple lors d'une utilisation sur glacier. Il en résulte avantageusement que la précision des appuis ou, de façon plus large, la précision des transmissions d'informations sensorielles, est meilleure. D'autres avantages sont notamment la réduction de la fatigue de l'utilisateur, ainsi que la diminution ou la disparition totale de traumatismes.The wall of the reinforcement extends in part opposite the rod, which locally limits or prevents certain deformations of the latter. In fact the wall plays the role of a stop, through a subdivision of the rod, to limit or prevent one or movements of the foot, parallel to the base and in a direction of approximation of the wall. We will see later in the description what are the directions in which the wall acts. As a result, the foot moves very little, if at all, parallel to the base. This is to say that the foot moves very little, if any, relative to the tips. There is therefore little or no parasitic movement of the foot relative to the tips. This is true for example when using on a glacier. It advantageously results that the accuracy of the supports or, more broadly, the accuracy of transmissions of sensory information, is better. Other advantages include the reduction of user fatigue, as well as the reduction or total disappearance of trauma.

Par ailleurs la paroi limite ou empêche fortement l'adhérence de neige ou de glace, sur le semelage externe et dans certains cas sur des zones de la tige, ce qui allège l'élément chaussant lors d'une utilisation en ambiance de neige ou de glace. Cela contribue également à une réduction de la fatigue de l'utilisateur.Furthermore, the wall limits or strongly prevents the adhesion of snow or ice, on the outer sole and in some cases on areas of the stem, which lighten the footwear element when used in a snow or snow environment. ice cream. This also contributes to a reduction of user fatigue.

Dans le même esprit la base limite ou empêche fortement l'adhérence de neige ou de glace, sur le semelage externe, entre les pointes. Là encore cela allège l'élément chaussant lors d'une utilisation en ambiance de neige ou de glace. Un avantage qui en découle est une réduction supplémentaire de la fatigue de l'utilisateur. De plus l'absence totale, ou quasi-totale, de résidus de neige ou de glace entre les pointes, permet à celles-ci de bien exercer leur action de pénétration dans la neige, ou d'accrochage sur la glace. Le volume compris entre le semelage externe et les extrémités des pointes n'est pas encombré lorsque l'élément chaussant n'est pas en appui sur le sol ; l'action des pointes n'est pas gênée. En conséquence le rendement et la précision dans la transmission des appuis et des informations sensorielles sont plus élevés, par rapport à ce qu'ils sont pour un élément chaussant selon l'art antérieur. Là encore, par ce biais, l'invention empêche l'apparition de certains traumatismes.In the same spirit the base limit or strongly prevents the adhesion of snow or ice on the outer sole between the points. Here again it lightenes the footwear when used in a snow or ice atmosphere. A benefit that results is a further reduction of user fatigue. In addition, the total or almost total absence of snow or ice residues between the tips makes it possible for them to perform their action of penetration in the snow, or hanging on the ice. The volume between the outer sole and the ends of the tips is not cluttered when the footwear element is not resting on the ground; the action of the tips is not hindered. As a result, the efficiency and accuracy in the transmission of the bearings and sensory information are higher, compared to what they are for a footwear element according to the prior art. Here again, by this means, the invention prevents the appearance of certain traumas.

On peut dire de manière générale que l'invention améliore un élément chaussant qui comprend des pointes.It can be said in general that the invention improves a footwear element which includes spikes.

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'un ensemble qui comprend un élément chaussant et une chaussure selon une première forme de réalisation de l'invention, dans un cas où l'élément chaussant et la chaussure sont séparés l'un de l'autre,
  • la figure 2 est une vue en perspective par dessous de l'élément chaussant de la figure 1,
  • la figure 3 est une coupe selon III-III de la figure 1, dans un cas où la chaussure est disposée à l'intérieur de l'élément chaussant,
  • la figure 4 est une vue en perspective montrant notamment un renfort de l'élément chaussant de la figure 1,
  • 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 une coupe selon VII-VII de la figure 6, montrant un crampon retenu dans le renfort,
  • la figure 8 est une coupe similaire à celle de la figure 7, montrant la mise en place du crampon dans le renfort.
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 an assembly which comprises a footwear element and a shoe according to a first embodiment of the invention, in a case where the footwear element and the shoe are separated from one another,
  • the figure 2 is a perspective view from below of the footwear element of the figure 1 ,
  • the figure 3 is a section III-III of the figure 1 in a case where the shoe is disposed inside the footwear element,
  • the figure 4 is a perspective view showing in particular a reinforcement of the footwear element of the figure 1 ,
  • 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 a section according to VII-VII of the figure 6 , showing a crampon retained in the reinforcement,
  • the figure 8 is a cut similar to that of the figure 7 , showing the placement of the crampon in the reinforcement.

La première forme de réalisation qui va être décrite après concerne plus spécialement un élément chaussant pour la marche ou la course sur neige ou sur glace, ou encore pour l'escalade dans les cascades de glace. Cependant l'invention s'applique à d'autres domaines tels que ceux évoqués avant.The first embodiment that will be described after more specifically relates to a footwear element for walking or running on snow or ice, or for climbing in ice cascades. However, the invention applies to other fields such as those mentioned before.

La première forme est décrite ci-après à l'aide des figures 1 à 4.The first form is described below using the Figures 1 to 4 .

Comme le montre la figure 1, un élément chaussant 1 est prévu pour accueillir une chaussure de marche ou de course 2, elle-même prévue pour accueillir le pied de l'utilisateur.As shown in figure 1 , a footwear element 1 is provided to accommodate a walking shoe or race 2, itself intended to accommodate the foot of the user.

De manière connue, l'élément chaussant 1 comprend un semelage externe souple 3 et une tige souple 4. L'élément chaussant s'étend en longueur depuis une extrémité arrière ou talon 5 jusqu'à une extrémité avant ou pointe 6, et en largeur entre une partie latérale 7 et une partie médiale 8.In known manner, the footwear element 1 comprises a flexible outer sole 3 and a flexible upper 4. The footwear element extends in length from a rear end or heel 5 to a front end or tip 6, and in width between a lateral portion 7 and a medial portion 8.

L'élément chaussant 1 comprend aussi des pointes 9 qui font saillie au niveau d'une face externe 10 du semelage externe 3. L'implantation des pointes 9 sera détaillée plus loin, même si on peut déjà préciser que chaque pointe 9 sert à améliorer l'adhérence de l'élément chaussant 1 sur un sol glissant, avec de la neige ou de la glace.The footwear element 1 also comprises spikes 9 which protrude at an outer face 10 of the outer sole 3. The implantation of the spikes 9 will be detailed later, although it can already be specified that each spike 9 serves to improve the adherence of the footwear element 1 on slippery ground, with snow or ice.

Telle que représentée la tige 4 comprend une première portion ou portion basse 11, prévue pour entourer le pied par l'intermédiaire de la chaussure 2, ainsi qu'une portion haute 12, qui prolonge la portion basse 11 dans un sens d'éloignement du semelage externe 3, la portion haute 12 étant prévue pour couvrir au moins la cheville de l'utilisateur, ou la cheville et une partie du bas de jambe. Il peut alternativement être prévu une forme de réalisation pour laquelle l'élément chaussant comprend uniquement une portion basse.As represented by the rod 4 comprises a first portion or lower portion 11, provided to surround the foot via the boot 2, and an upper portion 12, which extends the lower portion 11 in a direction away from the outer sole 3, the upper portion 12 being provided to cover at least the ankle of the user, or the ankle and part of the lower leg. Alternatively, an embodiment may be provided for which the footwear element comprises only a low portion.

La portion haute 12 de la tige 4 augmente la surface externe de l'élément chaussant 1, par rapport à un élément dont la tige ne comprendrait qu'une portion basse. En fait la portion haute 12 de la tige 4 augmente aussi le volume de chaussage et de protection de l'élément chaussant. En conséquence les propriétés spécifiques de la portion basse 11 de la tige, comme l'étanchéité à l'eau ou à la neige, ou l'isolation thermique, sont étendues par la portion haute 12. Au final ce sont à la fois le pied, la cheville et une partie du bas de jambe qui sont protégés. L'eau, la neige ou la glace peuvent difficilement pénétrer, voire pas du tout, à l'intérieur de l'élément chaussant 1. La chaussure 2 est en conséquence également protégée.The upper portion 12 of the rod 4 increases the outer surface of the footwear element 1, with respect to an element whose stem only comprises a low portion. In fact, the upper portion 12 of the upper 4 also increases the amount of footwear and protection of the footwear element. As a result, the specific properties of the lower portion 11 of the rod, such as water or snowtightness, or thermal insulation, are extended by the upper portion 12. In the end, these are at the same time the foot , the ankle and part of the lower leg that are protected. Water, snow or ice can hardly penetrate, if at all, inside the footwear element 1. The boot 2 is therefore also protected.

On précise au passage que la chaussure 2 comprend un semelage externe 13 et une tige souple 14. La chaussure 2 s'étend en longueur depuis une extrémité arrière ou talon 15 jusqu'à une extrémité avant ou pointe 16, et en largeur entre une partie latérale 17 et une partie médiale 18. Selon la première forme de réalisation décrite, la chaussure 2 comprend une portion basse 19 à l'exclusion de toute portion haute. La chaussure 2 s'étend en hauteur depuis le semelage externe 13 jusqu'à une extrémité supérieure 20, c'est-à-dire jusqu'à l'extrémité libre de la portion basse 19 ou de la tige 14. Dans le même ordre d'idée l'élément chaussant 1 s'étend en hauteur depuis le semelage externe 3 jusqu'à une extrémité supérieure 21, c'est-à-dire jusqu'à l'extrémité libre de la portion haute 12 ou de la tige 4. Ainsi, lorsque la chaussure 2 est placée dans l'élément chaussant 1, l'extrémité supérieure 20 de la tige 14 est plus proche du semelage externe 3 que ne l'est l'extrémité supérieure 21. Cela traduit le fait que la tige 4 de l'élément chaussant 1 étend la couverture obtenue par la tige 14 de la chaussure 2.It is specified in passing that the shoe 2 comprises an outer sole 13 and a flexible rod 14. The shoe 2 extends in length from a rear end or heel 15 to a front end or tip 16, and in width between a portion 17 and a medial portion 18. According to the first embodiment described, the shoe 2 comprises a lower portion 19 to the exclusion of any high portion. The shoe 2 extends in height from the outer sole 13 to an upper end 20, that is to say to the free end of the lower portion 19 or the rod 14. In the same order of idea the footwear element 1 extends in height from the outer soleing 3 to an upper end 21, that is to say up to the free end of the upper portion 12 or the rod 4 Thus, when the shoe 2 is placed in the footwear element 1, the upper end 20 of the rod 14 is closer to the outer sole 3 than is the upper end 21. This reflects the fact that the stem 4 of the footwear item 1 extends the cover obtained by the upper 14 of the shoe 2.

Toujours selon la première forme de réalisation de l'invention, comme on peut le voir sur les figures 1 et 2, la portion basse 11 et la portion haute 12 de l'élément chaussant 1 forment une enveloppe continue. Cela signifie qu'il ne subsiste aucun passage pour l'intrusion de corps étrangers. Cela veut dire aussi que la protection conférée par la tige souple 4 s'étend à la fois au niveau de la portion basse 11 et au niveau de la portion haute 12.Still according to the first embodiment of the invention, as can be seen in the figures 1 and 2 the lower portion 11 and the upper portion 12 of the footwear element 1 form a continuous envelope. This means that no passage remains for the intrusion of foreign bodies. This also means that the protection provided by the flexible rod 4 extends both at the lower portion 11 and at the upper portion 12.

En considérant plus précisément les figures 1 et 2, on note que l'élément chaussant 1 présente une ouverture de chaussage 25. Celle-ci 25 s'étend depuis l'extrémité supérieure 21 vers le semelage externe 3. Du côté de l'extrémité supérieure 21 l'ouverture 25 présente une subdivision supérieure 26 destinée à laisser passer le pied, et aussi à entourer le bas de jambe après chaussage. Au niveau du bas de jambe, de la cheville et du talon, entre l'extrémité supérieure 21 et le semelage externe 3, l'ouverture de chaussage 25 de la tige souple 4 présente une subdivision inférieure latérale 27 et une subdivision inférieure médiale 28, lesquelles autorisent une variation de dimension de l'ouverture et une variation du volume de chaussage. Bien entendu, les subdivisions supérieure 26 et inférieure latérale 27 se prolongent l'une l'autre, et les subdivisions supérieure 26 et inférieure médiale 28 se prolongent l'une l'autre. Cet agencement permet l'introduction de la chaussure 2 dans l'élément chaussant 1, ou son retrait. Par corollaire l'agencement ci-avant permet l'introduction ou le retrait du pied, en même temps que la chaussure. On précise au passage qu'il est possible de prévoir une alternative de construction pour laquelle l'ouverture de chaussage 25 présente la subdivision supérieure 26, ainsi qu'une subdivision inférieure arrière. Dans ce cas cette dernière s'étend au niveau du bas de jambe et du talon, entre l'extrémité supérieure 21 et l'extrémité arrière 5 au niveau du semelage externe 3. La subdivision supérieure 26 et la subdivision inférieure arrière se prolongent l'une l'autre.By considering more precisely the figures 1 and 2 , it is noted that the footwear element 1 has a boot opening 25. This 25 extends from the upper end 21 towards the external sole 3. On the side of the upper end 21 the opening 25 has an upper subdivision 26 for passing the foot, and also to surround the lower leg after donning. At the level of the lower leg, the ankle and the heel, between the upper end 21 and the outer sole 3, the boot opening 25 of the flexible upper 4 has a lower lateral subdivision 27 and a medial lower subdivision 28, which allow a variation of size of the opening and a variation of the volume of footwear. Of course, the upper 26 and lower 27 lateral subdivisions extend one another, and the upper 26 and lower medial 28 subdivisions extend one another. This arrangement allows the introduction of the shoe 2 in the footwear element 1, or its withdrawal. By corollary the arrangement above allows the introduction or withdrawal of the foot, at the same time as the shoe. It is specified in passing that it is possible to provide a construction alternative for which the boot opening 25 has the upper subdivision 26, and a rear lower subdivision. In this case, the latter extends at the level of the lower leg and the heel, between the upper end 21 and the rear end 5 at the level of the outer sole 3. The upper subdivision 26 and the lower rear subdivision are prolonged. one another.

L'élément chaussant 1 comprend aussi des moyens de fermeture 29 de la subdivision inférieure latérale 27 de l'ouverture de chaussage 25, ainsi que des moyens de fermeture 30 de la subdivision inférieure médiale 28 de l'ouverture de chaussage 25. Cela maintient la tige 4 au contact de la chaussure 2 d'une part, et au contact de la cheville et du bas de jambe d'autre part.The footwear element 1 also comprises closure means 29 of the lower lateral subdivision 27 of the boot opening 25, as well as closing means 30 of the medial lower subdivision 28 of the boot opening 25. rod 4 in contact with the shoe 2 on the one hand, and in contact with the ankle and lower leg on the other hand.

De manière non limitative, les moyens de fermeture 29, 30 comprennent respectivement des glissières 31, 32. Ces dernières permettent une ouverture ou une fermeture rapide de la subdivision inférieure 27, ce qui fait gagner du temps pour chausser ou déchausser. Cependant d'autres structures de moyens de fermeture sont possibles, comme par exemple un dispositif à lacet, un dispositif à bandes complémentaires dont l'une est munie de boucles et l'autre de crochets, ou tout moyen équivalent.In a nonlimiting manner, the closure means 29, 30 respectively comprise slides 31, 32. These last allow a quick opening or closing of the lower subdivision 27, which saves time for shoeing or loosening. However, other structures of closure means are possible, such as a lace device, a device with complementary bands, one of which is provided with loops and the other of hooks, or any equivalent means.

Toujours selon la première forme de réalisation de l'invention, la disposition près de l'arrière de la tige des subdivisions 27, 28 facilite le chaussage de l'élément chaussant 1 par un pied déjà couvert de la chaussure. Un autre avantage est une meilleure résistance à la pénétration de corps étrangers, en particulier en milieu neigeux. En effet, parce que les subdivisions inférieures 27, 28 sont situées vers l'arrière, la face avant 33 de la tige 4 est continue depuis l'extrémité avant 6 jusqu'à l'extrémité supérieure 21. En d'autres termes, la face avant ne présente aucun passage. Or la marche se traduit par des avancées et des contacts de la tige 4 avec la neige du côté de cette face. Sa continuité de structure est un gage d'étanchéité et/ou de protection.Still according to the first embodiment of the invention, the arrangement near the rear of the stem of the subdivisions 27, 28 facilitates the donning of the footwear element 1 by a foot already covered with the shoe. Another advantage is better resistance to the penetration of foreign bodies, especially in snowy conditions. Indeed, because the lower subdivisions 27, 28 are located towards the rear, the front face 33 of the rod 4 is continuous from the front end 6 to the upper end 21. In other words, the front face has no passage. Now the march is translated by advances and contacts of the rod 4 with the snow on the side of this face. Its continuity of structure is a pledge of sealing and / or protection.

On peut dire en résumé que l'ouverture de chaussage 25 présente une subdivision supérieure 26 et au moins une subdivision inférieure 27, 28, la subdivision inférieure 27, 28 étant située dans une zone qui s'étend sur 50 % de la longueur de l'élément chaussant 1 depuis l'extrémité arrière 5.In summary, it can be said that the boot opening 25 has an upper subdivision 26 and at least one lower subdivision 27, 28, the lower subdivision 27, 28 being situated in an area which extends over 50% of the length of the footwear element 1 from the rear end 5.

Selon l'invention, l'élément chaussant 1 comprend au moins un renfort 35, 36, le renfort 35, 36 comprenant une base 37 et une paroi 38, la base 37 s'étendant en regard du semelage externe 3 à l'extérieur de l'élément chaussant 1, la paroi 38 s'étendant depuis la base 37 vers l'extrémité supérieure 21 également à l'extérieur de l'élément chaussant 1.According to the invention, the footwear element 1 comprises at least one reinforcement 35, 36, the reinforcement 35, 36 comprising a base 37 and a wall 38, the base 37 extending facing the outer sole 3 outside the the footwear element 1, the wall 38 extending from the base 37 towards the upper end 21 also outside the footwear element 1.

La paroi 38 du renfort 36 s'étend en partie en regard de la tige 4, ce qui limite ou empêche localement certaines déformations de cette dernière. De fait la paroi joue le rôle d'une butée, à travers une subdivision de la tige, pour limiter ou empêcher un ou des déplacements du pied, parallèlement à la base 37 et dans un sens de rapprochement de la paroi. Il en résulte que le pied se déplace très peu, voire pas du tout, parallèlement à la base. Cela revient à dire que le pied se déplace très peu, voire pas du tout, par rapport aux pointes. Il n'y a donc que peu ou pas du tout de mouvements parasites du pied par rapport aux pointes. Cela se vérifie par exemple lors d'une utilisation sur glacier. Il en résulte avantageusement que la précision des appuis ou, de façon plus large, la précision des transmissions d'informations sensorielles, est meilleure. D'autres avantages sont notamment la réduction de la fatigue de l'utilisateur, ainsi que la diminution ou la disparition totale de traumatismes.The wall 38 of the reinforcement 36 extends in part opposite the rod 4, which locally limits or prevents certain deformations of the latter. In fact the wall plays the role of a stop, through a subdivision of the rod, to limit or prevent one or movements of the foot, parallel to the base 37 and in a direction of approximation of the wall. As a result, the foot moves very little, if at all, parallel to the base. This is to say that the foot moves very little, if any, relative to the tips. There is therefore little or no parasitic movement of the foot relative to the tips. This is true for example when using on a glacier. It advantageously results that the accuracy of the supports or, more broadly, the accuracy of transmissions of sensory information, is better. Other advantages include the reduction of user fatigue, as well as the reduction or total disappearance of trauma.

Par ailleurs la paroi 38 limite ou empêche fortement l'adhérence de neige ou de glace, sur le semelage externe 3 et dans certains cas sur des zones de la tige 4, ce qui allège l'élément chaussant 1 lors d'une utilisation en ambiance de neige ou de glace. Cela contribue également à une réduction de la fatigue de l'utilisateur.Moreover, the wall 38 limits or strongly prevents the adhesion of snow or ice, on the outer soleing 3 and in some cases on areas of the rod 4, which lighten the footwear element 1 during use in the environment. snow or ice. This also contributes to a reduction of user fatigue.

Dans le même esprit la base 37 limite ou empêche fortement l'adhérence de neige ou de glace, sur le semelage externe 3, entre les pointes 9. Là encore cela allège l'élément chaussant lors d'une utilisation en ambiance de neige ou de glace. Un avantage qui en découle est une réduction supplémentaire de la fatigue de l'utilisateur. De plus l'absence totale, ou quasi-totale, de résidus de neige ou de glace entre les pointes, permet à celles-ci de bien exercer leur action de pénétration dans la neige, ou d'accrochage sur la glace. Le volume compris entre le semelage externe et les extrémités des pointes n'est pas encombré lorsque l'élément chaussant n'est pas en appui sur le sol ; l'action des pointes n'est pas gênée. En conséquence le rendement et la précision dans la transmission des appuis et des informations sensorielles sont élevés.In the same spirit the base 37 limits or strongly prevents the adhesion of snow or ice, on the outer sole 3, between the spikes 9. Again this lightening the footwear element when used in a snow or snow environment. ice cream. A benefit that results is a further reduction of user fatigue. In addition, the total or almost total absence of snow or ice residues between the tips makes it possible for them to perform their action of penetration in the snow, or hanging on the ice. The volume between the outer sole and the ends of the tips is not cluttered when the footwear element is not resting on the ground; the action of the tips is not hindered. As a result, the efficiency and accuracy in the transmission of supports and sensory information are high.

Toujours pour la première forme de réalisation de l'invention, l'élément chaussant 1 comprend un renfort arrière 35. Cela permet à la partie arrière de l'élément chaussant de transmettre fidèlement les informations sensorielles, d'une part, et de limiter la fatigue de l'utilisateur, d'autre part.Still for the first embodiment of the invention, the footwear element 1 comprises a rear reinforcement 35. This allows the rear part of the footwear element to faithfully transmit the sensory information, on the one hand, and to limit the user fatigue, on the other hand.

L'élément chaussant 1 comprend un crampon arrière 41, le crampon arrière comprenant un corps 42 et des pointes 9, le corps 42 étant disposé entre le semelage externe 3 et la base du renfort arrière 35. La structure du crampon sera mieux comprise par l'éclairage qui sera apporté plus loin. On peut néanmoins déjà préciser que toutes les pointes situées à l'arrière de l'élément chaussant sont solidarisée au même corps, ce qui apporte de la stabilité aux prises d'appuis et aux transmissions d'informations sensorielles au niveau du talon, tout en permettant à la base du renfort de limiter ou d'empêcher la présence de neige ou de glace entre les pointes.The footwear element 1 comprises a rear cleat 41, the rear cleat comprising a body 42 and spikes 9, the body 42 being disposed between the outer sole 3 and the base of the rear reinforcement 35. The structure of the crampon will be better understood by the lighting that will be brought further. Nevertheless, it is already possible to specify that all the points situated at the rear of the footwear element are secured to the same body, which brings stability to the support catch and the transmission of sensory information at the heel, while allowing the base of the reinforcement to limit or prevent the presence of snow or ice between the tips.

De manière non limitative, le crampon arrière 41 est amovible. Cela permet par exemple un remplacement en cas d'usure, ou une sélection parmi plusieurs structures dont chacune est adaptée à une pratique spécifique. Là encore l'amovibilité sera mieux comprise par l'éclairage qui sera apporté plus loin.In a nonlimiting manner, the rear spike 41 is removable. This allows for example a replacement in case of wear, or a selection among several structures each of which is adapted to a specific practice. Here again the removability will be better understood by the lighting that will be brought later.

Dans le même esprit que ce qui vient d'être vu pour l'arrière, l'élément chaussant 1 comprend un renfort avant 36. Cela permet à la partie avant de l'élément chaussant de transmettre fidèlement les informations sensorielles, d'une part, et de limiter la fatigue de l'utilisateur, d'autre part.In the same spirit as what has just been seen for the rear, the footwear element 1 comprises a front reinforcement 36. This allows the front part of the footwear to faithfully transmit the sensory information, on the one hand , and to limit the fatigue of the user, on the other hand.

L'élément chaussant 1 comprend un crampon avant 43, le crampon avant comprenant un corps 44 et des pointes 9, le corps 44 étant disposé entre le semelage externe 3 et la base 37 du renfort avant 36. La structure du crampon 43 sera mieux comprise par l'éclairage qui sera apporté plus loin. On peut néanmoins déjà préciser que toutes les pointes situées à l'avant de l'élément chaussant sont solidarisée au même corps, ce qui apporte de la stabilité aux prises d'appuis et aux transmissions d'informations sensorielles au niveau des orteils, ou au niveau des orteils et du métatarse, tout en permettant à la base du renfort de limiter ou d'empêcher la présence de neige ou de glace entre les pointes.The footwear element 1 comprises a front cleat 43, the front cleat comprising a body 44 and spikes 9, the body 44 being disposed between the outer sole 3 and the base 37 of the front reinforcement 36. The structure of the crampon 43 will be better understood by the lighting that will be brought further. Nevertheless, it is already possible to specify that all the points located at the front of the footwear element are secured to the same body, which brings stability to the supports and to the sensory information transmissions at the toes, or to the toes and metatarsals, while allowing the base of the brace to limit or prevent the presence of snow or ice between the tips.

De manière non limitative, le crampon avant 43 est amovible. Cela permet par exemple un remplacement en cas d'usure, ou une sélection parmi plusieurs structures dont chacune est adaptée à une pratique spécifique. Là encore l'amovibilité sera mieux comprise par l'éclairage qui sera apporté plus loin.In a nonlimiting manner, the front spike 43 is removable. This allows for example a replacement in case of wear, or a selection among several structures each of which is adapted to a specific practice. Here again the removability will be better understood by the lighting that will be brought later.

On peut voir plus précisément sur les figures 3 et 4 que, pour la première forme de réalisation, le renfort avant 36 est solidarisé au semelage 3 et/ou à la tige 4 de façon amovible. Cela revient à dire qu'il est démontable. Dans le même esprit, bien que cela ne soit pas représenté ici, le renfort arrière 35 est solidarisé au semelage 3 et/ou à la tige 4 de façon amovible. Cela revient à dire qu'il est démontable. En fait d'une manière générale, le renfort 35, 36 est solidarisé au semelage 3 et/ou à la tige 4 de façon amovible.We can see more precisely the figures 3 and 4 that, for the first embodiment, the front reinforcement 36 is secured to the sole 3 and / or the rod 4 removably. That is to say that it is removable. In the same spirit, although it is not shown here, the rear reinforcement 35 is secured to the sole 3 and / or the rod 4 removably. That is to say that it is removable. In fact in general, the reinforcement 35, 36 is secured to the sole assembly 3 and / or the rod 4 removably.

Pour réaliser la solidarisation ci-avant abordée, toujours en considération des figures 3 et 4 tournées plus spécifiquement vers l'avant, l'élément chaussant 1 comprend un ou plusieurs moyens de solidarisation prévus pour retenir simultanément le renfort avant 36 et le crampon avant 43. De manière non limitative, le moyen de solidarisation comprend une ou plusieurs vis 45. Chaque vis traverse la base 37 du renfort 36, puis le corps 44 du crampon 43, puis encore le semelage externe 3, pour au final se visser dans un socle 46 logé dans l'élément chaussant 1. On remarque que le renfort et le crampon sont solidarisés au semelage externe 3 à l'aide d'un outil, ici un tournevis ou tout outil équivalent. Il est possible alternativement de prévoir une solidarisation sans outil.To achieve the above-mentioned solidarity, always in consideration of figures 3 and 4 turned more specifically forwards, the footwear element 1 comprises one or more securing means provided for simultaneously retaining the front reinforcement 36 and the front cleat 43. Without limitation, the securing means comprises one or more screws 45. Each screw passes through the base 37 of the reinforcement 36, then the body 44 of the crampon 43, then again the outer sole 3, to finally screw into a base 46 housed in the footwear element 1. Note that the reinforcement and the crampon are secured to the outer sole 3 using a tool, here a screwdriver or any equivalent tool. It is possible alternatively to provide a fastening without tools.

En ce qui concerne la géométrie, la paroi 38 du renfort avant 36 longe au moins 50 % de la partie du contour de la base 37 située au bord du semelage externe 3. Même si cela n'est pas détaillé ici, on précise que la paroi du renfort arrière longe au moins 50 % de la partie du contour de la base située au bord du semelage externe 3. Ainsi d'une manière générale, la paroi du renfort longe au moins 50 % de la partie du contour de la base située au bord du semelage externe 3. Cela permet ici une retenue du semelage externe 3, parallèlement à la base 37 ou au corps 44, dans une direction transversale et aussi vers l'avant en direction longitudinale. Il est prévu de manière non limitative, pour la première forme de réalisation de l'invention, que la paroi du renfort longe 100 % de la partie du contour de la base située au bord du semelage externe 3. En d'autres termes la paroi 38 présente une structure continue. Cela optimise le maintien du semelage externe, ainsi que l'évacuation de neige ou de glace au niveau des bords du semelage externe.As regards the geometry, the wall 38 of the front reinforcement 36 runs along at least 50% of the portion of the contour of the base 37 located at the edge of the outer sole 3. Even if this is not detailed here, it is specified that the wall of the rear reinforcement runs along at least 50% of the portion of the contour of the base at the edge of the outer sole 3. Thus, in a general manner, the wall of the reinforcement lasts at least 50% of the portion of the contour of the base located at the edge of the outer sole 3. This allows here a retention of the outer sole 3, parallel to the base 37 or the body 44, in a transverse direction and also to the forward in the longitudinal direction. In the first embodiment of the invention, the wall of the reinforcement runs along 100% of the portion of the contour of the base at the edge of the outer sole 3. In other words, the wall 38 has a continuous structure. This optimizes the maintenance of the outer sole, as well as the evacuation of snow or ice at the edges of the outer sole.

Toujours en rapport avec la géométrie, au niveau d'une section transversale donnée, la hauteur de la paroi 38 du renfort avant 36 ne dépasse pas 50 % d'une distance mesurée entre la face externe 10 du semelage externe 3 et l'extrémité supérieure 21. Dans le même esprit, la hauteur de la paroi du renfort arrière ne dépasse pas 50 % d'une distance mesurée entre la face externe 10 du semelage externe 3 et l'extrémité supérieure 21. Au final, que ce soit pour l'avant ou pour l'arrière, au niveau d'une section transversale donnée, la hauteur de la paroi du renfort ne dépasse pas 50 % d'une distance mesurée entre la face externe 10 du semelage externe 3 et l'extrémité supérieure 21. On a observé que de bons résultats ont été obtenus pour des distances comprises entre 3 et 20 %. Afin de lever toute ambiguïté, on précise que la hauteur de la paroi d'un renfort se mesure depuis la base de ce renfort, dans une direction perpendiculaire à la base, et dans un sens d'éloignement de celle-ci.Still related to the geometry, at a given cross section, the height of the wall 38 of the front reinforcement 36 does not exceed 50% of a distance measured between the outer face 10 of the outer sole 3 and the upper end. 21. In the same spirit, the height of the wall of the rear reinforcement does not exceed 50% of a distance measured between the outer face 10 of the outer sole 3 and the upper end 21. In the end, whether for the before or for the rear, at a given cross section, the height of the wall of the reinforcement does not exceed 50% of a distance measured between the outer face 10 of the outer sole 3 and the upper end 21. observed that good results have been obtained for distances between 3 and 20%. In order to eliminate any ambiguity, it is specified that the height of the wall of a reinforcement is measured from the base of this reinforcement, in a direction perpendicular to the base, and in a direction away from it.

En ce qui concerne sa constitution, le renfort avant 36 comprend une matière synthétique. De la même façon, le renfort arrière 35 comprend une matière synthétique. En fait, d'un point de vue général, le renfort comprend une matière synthétique. Plus précisément, le renfort est constitué d'une matière plastique telle que du polyuréthane, du polyamide, du polyéthylène, ou tout matériau comparable. En tout état de cause, la matière plastique choisie n'adhère pas à la neige , ni à la glace. Cette matière résiste à l'abrasion, aux coups de poinçon, aux coupures. La matière plastique peut être thermoformable, pour une meilleure adaptation à la structure de l'élément chaussant. Il peut aussi être prévu d'utiliser deux matières ou plus, par exemple mises en oeuvre par des techniques de bi-injection. Le renfort est alternativement constitué de fibres ou de portions de fibres noyées dans une matrice de résine ou de matière plastique. Dans ce cas les fibres peuvent être en verre, en carbone, en aramide, ou tout matériau approprié. Le renfort est par exemple structuré de façon que la base et la paroi forment une pièce monobloc. Dans tous les cas, la matière synthétique constitutive du renfort favorise un glissement ou un décrochage de la neige ou de la glace. En d'autres termes il n'y a quasiment pas, voire pas du tout, d'adhérence de neige ou de glace sur la matière synthétique du renfort. Cela permet une meilleure coopération des pointes 9 avec le sol, puisque le volume compris entre la base du renfort et les extrémités des pointes reste libre quand l'élément chaussant est écarté du sol, par exemple au cours d'un cycle de marche.As regards its constitution, the front reinforcement 36 comprises a synthetic material. In the same way, the rear reinforcement 35 comprises a synthetic material. In fact, from a general point of view, the reinforcement comprises a synthetic material. More specifically, the reinforcement is made of a plastic material such as polyurethane, polyamide, polyethylene, or any comparable material. In any case, the chosen plastic material does not adhere to snow or ice. This material resists abrasion, punching, cuts. The plastic material may be thermoformable, for better adaptation to the structure of the footwear element. It can also be expected to use two or more materials, for example implemented by bi-injection techniques. The reinforcement is alternately constituted by fibers or portions of fibers embedded in a resin or plastic matrix. In this case the fibers may be glass, carbon, aramid, or any suitable material. The reinforcement is for example structured so that the base and the wall form a single piece. In all cases, the synthetic material constituting the reinforcement promotes sliding or unhooking of snow or ice. In other words there is almost no, if any, adhesion of snow or ice on the synthetic material of the reinforcement. This allows a better cooperation of the tips 9 with the ground, since the volume between the base of the reinforcement and the tips of the tips remains free when the footwear element is removed from the ground, for example during a walking cycle.

Les autres formes de réalisation sont présentées 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 presented 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, selon la figure 5, on retrouve un élément chaussant 1 avec un semelage externe 3 et une tige souple 4.For the second form, according to figure 5 , there is a footwear element 1 with an outer sole 3 and a flexible rod 4.

Ce qui est spécifique à la deuxième forme, c'est que l'élément chaussant comprend un renfort unique 51 qui s'étend depuis l'extrémité arrière 5 jusqu'à l'extrémité avant 6. De manière non limitative, le renfort 51 s'étend en regard de l'intégralité du semelage externe 3. A l'instar de ce qui a été vu pour la première forme de réalisation, le renfort 51 selon la deuxième forme comprend une base 52 et une paroi 53. Toujours de manière non limitative, la base 52 s'étend en regard de la totalité du semelage externe 3, et la paroi 53 du renfort 51 longe au moins 50 % de la partie du contour de la base 52 située au bord du semelage externe 3. Plus précisément ici, la paroi 53 forme une ceinture périphérique pour l'accueil du semelage externe 3, en longeant 100 % de la partie du contour de la base 52 située au bord du semelage. Cela optimise la retenue transversale du semelage relativement au renfort et aux crampons arrière 35 et avant 36.What is specific to the second form is that the footwear element comprises a single reinforcement 51 which extends from the rear end 5 to the front end 6. Without limitation, the reinforcement 51 s extends with regard to the entirety of the outer sole 3. As has been seen for the first embodiment, the reinforcement 51 according to the second form comprises a base 52 and a wall 53. In a limiting manner, the base 52 extends facing the entire outer sole 3, and the wall 53 of the reinforcement 51 runs at least 50% of the portion of the contour of the base 52 situated at the edge of the outer sole 3. More precisely here , the wall 53 forms a peripheral belt for receiving the outer sole 3, along 100% of the portion of the contour of the base 52 located at the edge of the sole. This optimizes the transverse restraint of the sole assembly with respect to the reinforcement and the rear and front 36 and 36 crampons.

Pour la troisième forme de réalisation, selon les figures 6 à 8, on retrouve encore un élément chaussant 1 avec un semelage externe 3 et une tige souple 4, ainsi qu'un renfort arrière 65 et un renfort avant 66.For the third embodiment, according to the Figures 6 to 8 , there is still a footwear element 1 with an outer sole 3 and a flexible rod 4, and a rear reinforcement 65 and a front reinforcement 66.

Ce qui est spécifique à la troisième forme c'est l'agencement des renforts, détaillé ci-après plus spécifiquement pour l'avant, notamment à l'aide des figures 7 et 8.What is specific to the third form is the arrangement of the reinforcements, detailed hereinafter more specifically for the front, in particular with the help of Figures 7 and 8 .

De manière générale, pour chaque crampon, il apparait que l'élément chaussant 1 comprend un moyen de retenue du crampon au semelage externe, le moyen de retenue permettant la libération du crampon. Ici le crampon en cause est celui situé à l'avant, de référence 43. Plus concrètement, comme on l'a vu, le crampon 43 comprend le corps 44 et des pointes 9. Le renfort avant 66, quant à lui, comprend une base 67 et une paroi 68. Le renfort 66 est structuré pour permettre la mise en place du crampon en regard du semelage externe, ou le retrait du crampon. En d'autres termes le crampon 43 est solidarisé de manière amovible au reste de l'élément chaussant. Cela permet un remplacement consécutif par exemple à une usure, une sélection parmi plusieurs crampons pour une adaptation à une pratique donnée, ou autre.In general, for each stud, it appears that the footwear element 1 comprises a retaining means of the cleat external sole, the retaining means for the release of the crampon. Here the crampon in question is that located at the front, of reference 43. More concretely, as we have seen, the crampon 43 comprises the body 44 and spikes 9. The front reinforcement 66, meanwhile, comprises a base 67 and a wall 68. The reinforcement 66 is structured to allow the establishment of the crampon facing the outer sole, or the removal of the crampon. In other words, the crampon 43 is secured in a removable manner to the rest of the footwear element. This allows a subsequent replacement for example a wear, a selection among several crampons for adaptation to a given practice, or other.

On peut observer sur les figures 7 et 8 que la base 67 du renfort 66 présente une découpe 69, laquelle permet un écartement d'une partie 70 de la base par rapport au semelage externe 3. Tout se passe comme si on ouvrait une porte pour introduire le crampon entre le renfort et le semelage 3, ou au contraire le retirer. Après une introduction, le corps 44 du crampon est pris en sandwich entre la base 67 du renfort et le semelage externe 3. Bien entendu les pointes 9 font saillie du côté de la base, pour pouvoir coopérer avec la neige ou la glace. Le maintien dans une position rabattue de la partie 70 de la base 67, susceptible d'être écartée, est obtenu par la mise en oeuvre d'un moyen de verrouillage. Ce moyen est par exemple constitué par une ou plusieurs vis 71, qui peuvent par exemple traverser une pointe 9 pour se visser dans la partie mobile 70 de la base 67. Il s'agit d'un moyen de verrouillage mis en oeuvre à l'aide d'un outil, sachant qu'une alternative de construction consiste à prévoir un moyen de verrouillage mis en oeuvre sans l'aide d'un outil.We can observe on Figures 7 and 8 that the base 67 of the reinforcement 66 has a cutout 69, which allows a separation of a portion 70 of the base relative to the outer sole 3. Everything happens as if one opened a door to introduce the crampon between the reinforcement and the sole 3, or on the contrary remove it. After an introduction, the body 44 of the crampon is sandwiched between the base 67 of the reinforcement and the outer sole 3. Of course the tips 9 project from the side of the base, to cooperate with the snow or ice. Maintaining in a folded position of the portion 70 of the base 67, which can be removed, is obtained by the implementation of a locking means. This means is for example constituted by one or more screws 71, which can for example pass through a point 9 to screw into the part mobile 70 of the base 67. This is a locking means implemented using a tool, knowing that a construction alternative is to provide a locking means implemented without the aid of a tool.

Toujours dans le cadre de la troisième forme de réalisation, le renfort 66 est solidarisé au semelage 3 et/ou à la tige 4 de façon non amovible. Par exemple, le renfort est solidarisé par collage, par soudure, ou toute technique équivalente. Cela facilite une manipulation de l'article chaussant pour la mise en place ou le retrait du crampon. En effet, la partie mobile 70 de la base 67 se manipule plus facilement si le renfort 66 est maintenu sur le semelage 3.Still in the context of the third embodiment, the reinforcement 66 is secured to the sole assembly 3 and / or the rod 4 in a non-removable manner. For example, the reinforcement is secured by gluing, welding, or any equivalent technique. This facilitates handling of the footwear for setting up or removing the crampon. Indeed, the mobile part 70 of the base 67 is more easily handled if the reinforcement 66 is held on the sole assembly 3.

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 aux 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.

En particulier, l'invention couvre un ensemble comprenant une chaussure à tige basse 2 et un élément chaussant 1.In particular, the invention covers an assembly comprising a low-stemmed shoe 2 and a footwear element 1.

En complément on précise ce qui est entendu par souplesse au niveau du semelage 3. Celui-ci est souple, dans le sens où il permet une flexion ou un déroulement du pied pendant la marche. Le semelage externe 3 comprend par exemple une ou plusieurs couches de matière synthétique. De manière non limitative, il peut être prévu une couche de matière telle qu'un polyuréthane, dont l'épaisseur est comprise entre 3 et 7mm.In addition we specify what is meant by flexibility at the level of the sole 3. It is flexible, in the sense that it allows a flexion or unwinding of the foot during walking. The outer soleing 3 comprises for example one or more layers of synthetic material. Without limitation, it may be provided a layer of material such as a polyurethane, whose thickness is between 3 and 7mm.

On précise encore qu'il peut être prévu toute structure d'élément chaussant pour laquelle un crampon est amovible, ou non, et pour laquelle un renfort est amovible, ou non.It is further specified that any footwear structure may be provided for which a cleat is removable, or not, and for which a reinforcement is removable, or not.

De manière générale chaque renfort peut comprendre plusieurs parties et, dans ce cas, le renfort n'est pas une pièce monobloc.In general, each reinforcement may comprise several parts and, in this case, the reinforcement is not a single piece.

On observe encore que seules les pointes, qui sont des parties métalliques, émergent en saillie relativement à un renfort. Il n'y a donc aucune pièce métallique parallèlement au semelage externe.It is also observed that only the tips, which are metal parts, emerge protruding relative to a reinforcement. There is therefore no metal part parallel to the outer sole.

Claims (15)

Elément chaussant (1) comprenant un semelage externe souple (3) et une tige souple (4), l'élément chaussant (1) s'étendant en longueur depuis une extrémité arrière (5) jusqu'à une extrémité avant (6), en largeur entre une partie latérale (7) et une partie médiale (8), et en hauteur depuis une face externe (10) du semelage externe (3) jusqu'à une extrémité supérieure (21), l'élément chaussant présentant une ouverture de chaussage (25), l'élément chaussant comprenant des pointes (9) qui font saillie au niveau de la face externe (10) du semelage externe (3), caractérisé par le fait qu'il comprend au moins un renfort (35, 36, 51, 65, 66), le renfort (35, 36, 51, 65, 66) comprenant une base (37, 52, 67) et une paroi (38, 53, 68), la base (37, 52, 67) s'étendant en regard du semelage externe (3) à l'extérieur de l'élément chaussant (1), la paroi (38, 53, 68) s'étendant depuis la base (37, 52, 67) vers l'extrémité supérieure (21) également à l'extérieur de l'élément chaussant (1).Footwear element (1) comprising a flexible outer sole (3) and a flexible upper (4), the footwear element (1) extending in length from a rear end (5) to a front end (6), in width between a lateral portion (7) and a medial portion (8), and in height from an outer face (10) of the outer sole (3) to an upper end (21), the footwear having an opening footwear (25), the footwear element comprising spikes (9) projecting from the external face (10) of the outer sole (3), characterized in that it comprises at least one reinforcement (35, 36, 51, 65, 66), the reinforcement (35, 36, 51, 65, 66) comprising a base (37, 52, 67) and a wall (38, 53, 68), the base (37, 52, 67) extending facing the outer sole (3) outside the footwear element (1), the wall (38, 53, 68) extending from the base (37, 52, 67) towards the upper end (21) also outside of the footwear element (1). Elément chaussant (1) selon la revendication 1, caractérisé par le fait qu'il comprend un renfort unique (51) qui s'étend depuis l'extrémité arrière (5) jusqu'à l'extrémité avant (6).Footwear (1) according to claim 1, characterized in that it comprises a single reinforcement (51) extending from the rear end (5) to the front end (6). Elément chaussant (1) selon la revendication 1, caractérisé par le fait qu'il comprend un renfort avant (36, 66).Footwear (1) according to claim 1, characterized in that it comprises a front reinforcement (36, 66). Elément chaussant (1) selon l'une des revendications 1 à 3, caractérisé par le fait qu'il comprend un crampon avant (43), le crampon avant (43) comprenant un corps (44) et des pointes (9), le corps (44) étant disposé entre le semelage externe (3) et la base (37, 67) du renfort (36, 66).Footwear (1) according to one of claims 1 to 3, characterized in that it comprises a front spike (43), the front spike (43) comprising a body (44) and spikes (9), the body (44) being disposed between the outer sole (3) and the base (37, 67) of the reinforcement (36, 66). Elément chaussant (1) selon la revendication 4, caractérisé par le fait que le crampon avant (43) est amovible.Footwear element (1) according to claim 4, characterized in that the front spike (43) is removable. Elément chaussant (1) selon l'une des revendications 1 et 3 à 5, caractérisé par le fait qu'il comprend un renfort arrière (35, 65).Footwear (1) according to one of claims 1 and 3 to 5, characterized in that it comprises a rear reinforcement (35, 65). Elément chaussant (1) selon l'une des revendications 1 à 6, caractérisé par le fait qu'il comprend un crampon arrière (41), le crampon arrière (41) comprenant un corps (42) et des pointes (9), le corps (42) étant disposé entre le semelage externe (13) et la base du renfort.Footwear (1) according to one of claims 1 to 6, characterized in that it comprises a rear spike (41), the rear spike (41) comprising a body (42) and spikes (9), the body (42) being disposed between the outer sole (13) and the base of the reinforcement. Elément chaussant (1) selon la revendications 7, caractérisé par le fait que le crampon arrière (41) est amovible.Footwear element (1) according to claim 7, characterized in that the rear spike (41) is removable. Elément chaussant (1) selon l'une des revendications 1 à 8, caractérisé par le fait que le renfort (51, 65, 66) est solidarisé au semelage (3) et/ou à la tige (4) de façon non amovible.Footwear element (1) according to one of claims 1 to 8, characterized in that the reinforcement (51, 65, 66) is secured to the sole assembly (3) and / or to the rod (4) in a non-removable manner. Elément chaussant (1) selon l'une des revendications 1 à 8, caractérisé par le fait que le renfort (35, 36) est solidarisé au semelage (3) et/ou à la tige (4) de façon amovible.Footwear (1) according to one of claims 1 to 8, characterized in that the reinforcement (35, 36) is secured to the sole (3) and / or the rod (4) removably. Elément chaussant (1) selon l'une des revendications 1 à 10, caractérisé par le fait que, au niveau d'une section transversale donnée, la hauteur de la paroi (38, 53, 68) du renfort (35, 36, 51, 65, 66) ne dépasse pas 50 % d'une distance mesurée entre la face externe (10) du semelage externe (3) et l'extrémité supérieure (21).Footwear element (1) according to one of claims 1 to 10, characterized in that , at a given cross section, the height of the wall (38, 53, 68) of the reinforcement (35, 36, 51 , 65, 66) does not exceed 50% of a distance measured between the outer face (10) of the outer sole (3) and the upper end (21). Elément chaussant (1) selon l'une des revendications 1 à 11, caractérisé par le fait que la paroi (38, 53, 68) du renfort (35, 36, 51, 65, 66) longe au moins 50 % de la partie du contour de la base (37, 52, 67) située au bord du semelage externe (3).Footwear (1) according to one of claims 1 to 11, characterized in that the wall (38, 53, 68) of the reinforcement (35, 36, 51, 65, 66) runs along at least 50% of the part the contour of the base (37, 52, 67) at the edge of the outer sole (3). Elément chaussant (1) selon la revendication 5 ou 8, caractérisé par le fait qu'il comprend un moyen de retenue du crampon (41, 43) au semelage externe (3), le moyen de retenue permettant la libération du crampon (41, 43).Footwear (1) according to claim 5 or 8, characterized in that it comprises a retaining means (41, 43) for the outer sole (3), the retaining means allowing the release of the crampon (41, 43). Elément chaussant (1) selon l'une des revendications 1 à 13, caractérisé par le fait que le renfort (35, 36, 51, 65, 66) comprend une matière synthétique.Footwear element (1) according to one of claims 1 to 13, characterized in that the reinforcement (35, 36, 51, 65, 66) comprises a synthetic material. Elément chaussant (1) selon l'une des revendications 1 à 14, caractérisé par le fait que l'ouverture de chaussage (25) présente une subdivision supérieure (26) et au moins une subdivision inférieure (27, 28), la subdivision inférieure (27, 28) étant située dans une zone qui s'étend sur 50 % de la longueur de l'élément chaussant (1) depuis l'extrémité arrière (5).Footwear element (1) according to one of claims 1 to 14, characterized in that the boot opening (25) has an upper subdivision (26) and at least one lower subdivision (27, 28), the lower subdivision (27, 28) being located in an area extending 50% of the length of the footwear element (1) from the rear end (5).
EP16000005.5A 2015-01-27 2016-01-05 Footwear element Withdrawn EP3050451A1 (en)

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CA2917432A1 (en) 2016-07-27
US9936769B2 (en) 2018-04-10
FR3031884B1 (en) 2017-07-28
FR3031884A1 (en) 2016-07-29

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