EP3847919A1 - Spannvorrichtung für schuhe - Google Patents

Spannvorrichtung für schuhe Download PDF

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Publication number
EP3847919A1
EP3847919A1 EP21150399.0A EP21150399A EP3847919A1 EP 3847919 A1 EP3847919 A1 EP 3847919A1 EP 21150399 A EP21150399 A EP 21150399A EP 3847919 A1 EP3847919 A1 EP 3847919A1
Authority
EP
European Patent Office
Prior art keywords
internal
traction means
external
outer rod
boot according
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.)
Granted
Application number
EP21150399.0A
Other languages
English (en)
French (fr)
Other versions
EP3847919B1 (de
Inventor
Mathieu Gannat
Odin LEMONNIER
Bernard Couderc
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 EP3847919A1 publication Critical patent/EP3847919A1/de
Application granted granted Critical
Publication of EP3847919B1 publication Critical patent/EP3847919B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A43B5/0435—Adjustment of the boot to the foot
    • A43B5/0443—Adjustment of the boot to the foot to the instep of the foot, e.g. metatarsals; Metatarsal clamping devices
    • A43B5/0447—Adjustment of the boot to the foot to the instep of the foot, e.g. metatarsals; Metatarsal clamping devices actuated by flexible means, e.g. cables, straps
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
    • A43C11/1406—Fastenings with toggle levers; Equipment therefor
    • A43C11/146—Fastenings with toggle levers with adjustment means provided for on the strap, e.g. ratchet strap
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0405—Linings, paddings or insertions; Inner boots
    • A43B5/0409—Linings, paddings or insertions; Inner boots with means for attaching inner boots or parts thereof to shells of skiboots
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B5/00—Footwear for sporting purposes
    • A43B5/04—Ski or like boots
    • A43B5/0427—Ski or like boots characterised by type or construction details
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers

Definitions

  • the present invention relates to shoes comprising an outer shell inside which a liner is inserted.
  • This type of shoe is used in particular for the practice of winter sports.
  • the outer shell is mainly rigid and provides support for the user's foot while the inner liner is more flexible and has the function of ensuring the comfort of the foot.
  • Alpine ski boots in particular, include an outer shell which includes a lower part and an upper part designed to wrap around the lower leg area.
  • the upper part and the lower part can essentially be different portions of the same structure, as in the so-called rear entry shoes, but as a general rule, the upper part of the shell is a collar which is hinged on the lower part of the shell. so as to allow a certain angular movement of the leg relative to the foot.
  • the lower part has an opening on the top. This opening is closed by the covering of the flaps, or overlaps which are held against each other by closure loops. In most shoes, called overlaps, two hooks are used to close the lower part of the shell, one of these hooks being near the instep of the user.
  • the instep area is a critical area for the comfort of the skier. It is, in particular, the zone where it is possible to exert a force to keep the skier's heel firmly in place at the bottom of the boot. This is why there is systematically one of the means of tightening the shoe which is located as closely as possible, which is sometimes called the perimeter-short-heel. However, this zone is located in the immediate vicinity of the ankle joint so that in order not to hamper movement, the position of the instep tightening hook is shifted downwards. The hook in question is then placed opposite the domed area of the top of the foot.
  • this bulging area which constitutes the lower part of the instep is particularly sensitive. This is why these skiers may have to turn to professionals in the adaptation of ski boots, commonly called “bootfitters”.
  • Bootfitters can intervene in a number of ways on a ski boot to conform it as much as possible to the characteristics of a user's foot. They can in particular deform the shell, the "grinder" and this in all areas where this is possible. However, it is sometimes difficult to intervene at the instep due to the presence of the instep tightening hook. On the other hand, the modifications to the shell that the bootfitter makes in this area can quite simply have no effect on the comfort, as soon as the user tightens the shoe.
  • the objective of the invention is to provide a sports shoe having an outer shell and an inner liner which does not have the drawbacks of the prior art.
  • the objective of the invention is therefore to provide a sports shoe, in particular an alpine ski boot, which improves the support of the foot and in particular the grip of the ankle while guaranteeing better comfort compared to the shoes of the prior art.
  • the objective of the invention is also to facilitate the work of bootfitters when they modify a production shoe in order to conform it to the feet of a user.
  • the objective of the invention is achieved by providing a shoe comprising an outer upper inside which an internal comfort element is inserted, said outer upper comprising at least two movable portions relative to one another. 'other; tightening means being provided to bring the two portions closer to one another in order to adapt the volume of the boot to the user's foot, said tightening means comprising external traction means, a first end of which is fixed to a first portion of the outer rod and a second end of which is in connection with actuating means which are fixed to a second portion of the outer rod; internal traction means are mainly placed under the outer rod, said internal traction means being in relation with the same actuating means.
  • the boot is an alpine ski boot which has an outer upper and an inner liner.
  • the outer rod has two sides (a medial side, a side side) whose upper ends, namely the side flap, respectively, the side flap, are movable with respect to each other and are overlap to tighten the shoe.
  • connection means interconnect the internal traction means and external traction means.
  • said tightening means are placed at the level of the upper part of the instep, close to the line of the short heel perimeter.
  • said actuating means is fixed on the lateral side of the lower part by a first external anchor, and the external traction means are fixed on the medial side of the lower part by a second external anchor while the internal traction means are fixed to the outer rod by an internal anchor.
  • the figure 1 shows in side view, the lateral face of an alpine ski boot. In known manner, it consists of an outer rod 1 inside which is inserted an internal comfort element 2.
  • the internal comfort element is in the form a liner completely independent of the outer rod and can therefore be extracted from the outer rod for replacement, drying or to make modifications thereto.
  • the outer rod 1 is in the form of a relatively rigid shell produced by injection of a thermoplastic material such as PU (polyurethane), PA (polyamide), PP (polypropylene) or any other equivalent material or any combination of the aforementioned matters. It is of course possible to produce the outer rod in a different way such as for example by assembling several textile panels and / or plastics or by stiffening plies of fibers (carbon, glass, base, linen, etc.) within a thermosetting or thermoplastic resin matrix.
  • PU polyurethane
  • PA polyamide
  • PP polypropylene
  • the outer rod 1 mainly consists of a lower part 11, designed to accommodate the user's foot, and an upper part 12 designed to surround the lower leg.
  • the upper part 12 is fixed to the lower part 11 with a slight possibility of movement so as to accompany the flexion generated by the ankle joint.
  • the lower part 11 consists of a sole 113 from which come a heel counter 114, a forefoot box 115 as well as the medial flank 111 and the lateral flank 112 which connect the forefoot box 115 and the heel counter 114 on the medial side, respectively the lateral side of the shoe.
  • the upper end of the medial flank 111 as well as that of the lateral flank 112 are substantially movable with respect to one another and with respect to the rest of the outer rod.
  • the upper ends of the sidewalls constitute flaps, also called “overlaps” which overlap to close the upper opening 116 and ensure the tightness thereof.
  • the medial flap 1111 covers the side flap 1121.
  • the outer upper of the shoe shown in figure 1 comprises five clamping means, two of them ensure the clamping of the lower part 11 and the other three are dedicated to the upper part 12 of the outer rod.
  • the clamping means of the upper part 12 comprise two rack buckles 33, 34, the use of which is very common in the field of alpine ski boots.
  • the upper part consists of an open collar whose two free ends overlap. One end carries a toggle mechanism buckle and the other end carries a rack 328 having a plurality of teeth.
  • a toggle mechanism buckle is shown in top view at figure 13 .
  • the loop 32 is fixed to the outer rod by means of a yoke 324.
  • a pallet 323 for actuating the clamping means is pivotally mounted on the yoke 324 by virtue of the two pins 326.
  • the loop 321 strictly speaking , is connected to the pallet 323 by means of a tie rod 322, which is mounted to pivot by means of the axis 325 in a notch in the center of the pallet 323.
  • a pin 327 placed at the distal end of the loop 321 is provided to cooperate with the teeth of the rack 328, the cooperation of the pin with one or the other of the teeth ensuring a different adjustment of the clamping means.
  • Clamping means 33 and 34 are therefore clamping means of the type just described.
  • the upper clamping means 35 commonly called the lower leg clamp, is of a different type. This is a tightening means that offers more flexibility and a greater range of adjustment.
  • the clamping means of the lower part 11 of the outer rod comprise a rack buckle 32 similar to that described above and a strap clamping means notched and ratchet 31, commonly called a “ratchet”.
  • the rack buckle 32 ensures the tightening of the forefoot part of the lower part of the upper while the toothed strap and ratchet tightening means 31 ensures the tightening at the level of the upper part of the instep .
  • the figures 14 and 15 show respectively a top view and a side view of such a ratchet clamping means.
  • the clamping means is anchored on one of the portions of the outer rod by means of a yoke 314.
  • An actuating paddle 313 is rotatably mounted on the yoke by virtue of the two pins 316.
  • a tunnel 317 is pivotally mounted on the yoke. 'Inside a notch formed in the pallet 313 by means of an axis 315 which is offset with respect to the axes 316.
  • the tunnel 317 receives the notched strap 312 which is able to slide therein in both directions.
  • a ratchet 318 equipped with a tooth provided to cooperate with the teeth of the toothed strap is pivotally mounted. The rotation of the ratchet is constrained by a spring in such a way that, in the rest position, the tooth of the ratchet prevents sliding in the direction of loosening of the toothed strap. The tightening action is carried out in two successive phases.
  • the pivoting of the pallet 313, which drives the tunnel 317 with it in a forward translational movement results in the slipping of the toothed strap in the tightening direction.
  • the pivoting of the pallet 313 in the other direction brings the tunnel backwards as well as the notched strap, the sliding of which in the tunnel is prevented by the ratchet.
  • the tightening action of the toothed strap tightening means is carried out as close as possible to the shortest line connecting the medial support of the user's heel to the lateral support of the same heel and passing over the foot .
  • the proximity of the tightening plane to the plane defined by this line called the “short heel perimeter” line, ensures optimal positioning of the foot in the shoe because, thus, the foot is firmly wedged against the rear of the shoe.
  • the upward movement of the instep tightening frees a little the area located directly below and which in the shoes of the prior art is occupied by a tightening means of the rack buckle type. Consequently, it may be possible for a “bootfitter” to modify this zone of the shell to adapt it to the shape of the foot of a specific user.
  • the figure 2 shows in section on plane II-II the lower part of the outer rod.
  • the plane II-II substantially corresponds to the plane traversed by the short heel perimeter line, as defined above.
  • the latter comprises a sole 113 from which the medial flank 111 and the lateral flank 112 originate.
  • the lower part being produced by injection of thermoplastic material, the sole as well as the two flanks constitute a same piece in one piece. This last characteristic is not the only possibility of manufacturing the outer rod. Indeed, it is possible to envisage achieving this by assembling different parts made integral and immobile with respect to each other by any suitable fixing means.
  • the medial flap 1111 overlaps the side flap 1121.
  • the flaps are sufficiently movable relative to each other to allow, on the one hand, to move apart. on the other, thus enlarging the upper opening 116 and, on the other hand, sliding one over the other, thus reducing the internal volume of the boot.
  • the characteristic clamping device of the invention has an actuating means 30.
  • the actuating means is represented schematically by a first functional box in dotted lines and referenced with the sign 30 because, as will be seen below, this actuation means can take several forms without departing from the scope of the invention. It may in particular consist of a pallet of the ratchet and notched strap tightening mechanism 31 described in figures 1 , 14 and 15 , or in a pallet of the rack and pinion mechanism 32 as described in section figure 13 .
  • the actuating means 30 is fixed, or can be fixed in a removable manner, to the lateral flank 112 of the outer rod thanks to a first external anchor 301. It is functionally connected to the medial flank 111 by means of external traction means. 50 so as to ensure the tightening of the rod.
  • the external traction means 50 are fixed, or alternatively, can be fixed in a removable manner, to the lateral flank 111 of the outer rod by means of a second external anchor 502.
  • the clamping device of the invention further comprises internal traction means 60 which are essentially placed under the outer rod and fixed thereto by virtue of an internal anchoring 603.
  • the external traction means 50 and the internal traction means 60 are associated in such a way that the actuating means 30 act simultaneously on the internal and external traction means.
  • the connection means which perform this function are represented by a second functional box in dotted lines and referenced with the sign 40.
  • connection means 40 between internal traction means 60 and external traction means 50.
  • the connection is fixed, so that when the actuating means 30 exert a force on the connection means, this will be distributed over the internal 60 or external 50 traction means as a function of a certain number of factors.
  • the internal and external tensile means have an identical Young's modulus, it is the relationship between, on the one hand, the distances separating the second anchor 502, respectively the third anchor 603, the connection means and, d 'on the other hand, the length of the internal and external traction means which will determine how this distribution will take place.
  • connection is adjustable and it is possible to adjust the relative length of the internal traction means and the external traction means. It is then possible to choose a distribution of the force exerted by the actuating means 30 on the internal and external traction means. Different alternatives can be chosen for the adjustment of the connection means. It is for example conceivable to allow the length adjustment of the internal traction means and / or of the external traction means.
  • connection between the internal traction means 60 and the external traction means 50 is free so that a balancing of the forces occurs automatically.
  • the internal traction means and the external traction means are placed in continuity with one another, which may for example consist of the same strap, and they pass through a loop 41 which is connected to the means of actuation and which thus constitutes the means of connection.
  • connection means 40 between the internal traction means and the external traction means the operation of the complete clamping device is generally the same.
  • the external traction means put under tension by means of the actuating means ensure the tightening of the external rod in a conventional manner. That is to say that the medial flank 111 approaches the lateral flank 112.
  • the internal traction means 60 which are placed under the outer rod act on the internal comfort element 2, it - even placed inside the rod. They make it possible, in fact, to tighten the internal comfort element against the user's foot. So that the action of the internal traction means is significant on the internal comfort element 2, it is important that the internal anchoring means 601 is positioned as low as possible inside the outer rod. In the first embodiment, the internal anchor 601 is placed at the level of the sole 113. It is therefore placed below the internal comfort element.
  • the internal 50 and external 60 traction means can be produced in many different ways.
  • the internal traction means are flat and relatively flexible. It is in fact necessary to prevent them from constituting too great an excess thickness. They may for example consist of a textile strap, a cable or a thermoplastic strip. In advantageous embodiments, they are made from an elastic material, or include an elastic portion.
  • the external traction means can, of course, be of the same nature as the internal traction means, that is to say strap, elastic or not, cable, etc. But they can also consist of a loop of means classic tightening such as the 321 buckle shown on figure 13 .
  • the tightening means according to the invention can make it possible to save a little weight because common actuating means simultaneously ensure the internal tightening of the comfort element and the external tightening of the outer rod, but also to improve the efficiency of external clamping.
  • the external tightening of the outer rod is all the easier as the tightening of the internal comfort element does not have to be carried out transitively by the external traction means but by separate internal traction means. of these.
  • one of the major advantages of the tightening means according to the invention is to improve the hold of the ankle by carrying out an internal tightening of the latter. This is particularly the case when the internal traction means have a certain elasticity.
  • the figure 6 shows in section on plane II-II, the lower part of the outer rod according to a second embodiment of the invention.
  • the internal traction means 60 comprise a portion medial 61 and a lateral portion 62.
  • the medial portion 61 is placed under the medial flank 111 and is fixed inside the outer rod by means of a first internal anchor 611, while the lateral portion 62 is placed under the side wall 112 and is fixed inside the latter by a second external anchor 621.
  • the two portions 61, 62 of the internal traction means 60 are interconnected by connecting means 70 placed above the internal comfort element 2, near the upper opening 116 of the outer rod.
  • These connecting means 70 can take several configurations.
  • FIG. 7 the medial portion 61 and the lateral portion 62 are secured to one another in a fixed manner.
  • the connection means 70 are fixed. They can be detached to facilitate the installation of the foot or the extraction of the internal comfort element 2 from the outer rod, but when they are in place, there is no movement between the side portion and the portion. medial.
  • the connecting means are free, the lateral portion 62 terminating in a loop through which the medial portion 61 passes.
  • the connecting means are also free, but it is the medial portion 61 which ends in a loop through which the lateral portion 62 passes.
  • the figure 10 shows a first variant of the second embodiment of the invention in which the medial portion 61 and the lateral portion 62 of the internal traction means 60 are fixed to the sole 113 of the outer rod by a single internal anchoring point 601.
  • the connecting means 60 can take one of the configurations described above in figures 7, 8 and 9 .
  • the figure 11 shows a second variant of the second embodiment of the invention in which for reasons of simplicity of construction, the internal traction means 60 do not have an attachment point on the inside of the rod. These are placed over the entire inner periphery of the outer rod.
  • the internal comfort element 2 which is not shown in this figure is placed inside the internal traction means 60 and therefore ensures the anchoring of the latter.
  • the figure 12 shows the lower part of the outer upper of the boot equipped with a tightening means according to a third embodiment of the invention.
  • This tightening means is characterized by the fact that it ensures both the tightening of the boot at the instep, like the various embodiments described above, but also the tightening of the forefoot area. .
  • the actuating means 30 consists of a cable reel fixed to the lateral side 112 by a first external anchor 301 and by a cable fixed to the medial side 111 by a second external anchor 302.
  • the means internal traction (not visible on the figure 12 ) and the external traction means 50 consist for example of a single strap fixed on the one hand on the outside of the medial flank 111 by an external anchor (not visible in the figure because placed on the hidden part of the medial flank 111) and on the other hand by an internal anchor (not visible because placed inside the rod).
  • the internal traction means and the external traction means are made with different materials, but they are secured to each other by stitching, gluing or any equivalent means.
  • connection means 40 are of the same type as those described in figure 8 . This is a loop through which passes, on the one hand, the traction means 50, 60 and, on the other hand, the cable 38.
  • the cable 38 also passes through loops 303 placed on either side. on the other side of the upper opening.
  • the rotation of the wheel of the actuating means 30 exerts a traction on the cable 38, which consequently exerts a traction, not only on the connection means 40 and the internal and external traction means which are associated with it, but also , on the medial 111 and lateral 112 flanks thanks to the loops 303 and to the anchor 302.
  • This embodiment allows an additional weight gain compared to the first embodiments.
  • the figures 16 and 17 respectively show a side view and a sectional view of a shoe according to a fourth embodiment of the invention.
  • the outer upper of the boot comprises an upper part 12 and a lower part 11 which are fixed to each other by means of at least two fixing means; a lateral fixing means 15 and a medial fixing means 16.
  • These fixing means 15 and 16 are placed opposite the user's malleoli and are substantially aligned with one another.
  • these means are constituted by rivets which pass right through, the lower part 11 and the upper part 12.
  • the clamping means of the upper part 12 comprise two rack buckles 33, 34.
  • the clamping means of the lower part 11 consist of cable clamping. These are similar to those described for the third embodiment on figure 12 .
  • Loops 303 are distributed on either side of the upper opening which is formed between the medial flank 111 and the lateral flank 112 of the lower part 11. The cable 38 runs through the loops 303 then passes through the loop of the strap. 80 before entering the knob of the actuating means 30.
  • the strap 80 comprises two portions. The first of these portions constitutes the external traction means 50. This portion of the strap 80 is fixed to the lateral flank 111 of the lower part of the outer rod by means of an external anchor 502. The second portion of the strap 80 constitutes the internal traction means 60. This portion penetrates inside the lower part 11 and is fixed to the latter by means of the medial fixing means 16.
  • the internal traction means 60 and the external traction means 50 are connected to the same actuating means 30.
  • the clamping is carried out simultaneously on the outside of the lower part 11 by means of the various loops 303 and the external traction means 50, but also inside the lower part 11, thanks to the internal traction means 60.
EP21150399.0A 2020-01-10 2021-01-06 Spannvorrichtung für schuhe Active EP3847919B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2000210A FR3106039B1 (fr) 2020-01-10 2020-01-10 Dispositif de serrage pour chaussure

Publications (2)

Publication Number Publication Date
EP3847919A1 true EP3847919A1 (de) 2021-07-14
EP3847919B1 EP3847919B1 (de) 2024-03-27

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EP21150399.0A Active EP3847919B1 (de) 2020-01-10 2021-01-06 Spannvorrichtung für schuhe

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US (1) US20210212411A1 (de)
EP (1) EP3847919B1 (de)
FR (1) FR3106039B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200245711A1 (en) * 2019-02-01 2020-08-06 Boa Technology Inc. Reel based closure devices for tightening a ski boot
FR3117744A1 (fr) * 2020-12-18 2022-06-24 Salomon S.A.S Chaussure de ski et dispositif de serrage

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2661076A1 (fr) * 1990-04-24 1991-10-25 Lange Int Sa Chaussure de ski a tige articulee avec position verrouillee de descente et position liberee de repos ou de marche.
US20160157561A1 (en) * 2014-10-07 2016-06-09 Boa Technology Inc. Devices, methods, and systems for remote control of a motorized closure system
US20190159544A1 (en) * 2017-11-30 2019-05-30 Salomon S.A.S. Device for tightening a sports boot

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2661076A1 (fr) * 1990-04-24 1991-10-25 Lange Int Sa Chaussure de ski a tige articulee avec position verrouillee de descente et position liberee de repos ou de marche.
US20160157561A1 (en) * 2014-10-07 2016-06-09 Boa Technology Inc. Devices, methods, and systems for remote control of a motorized closure system
US20190159544A1 (en) * 2017-11-30 2019-05-30 Salomon S.A.S. Device for tightening a sports boot

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200245711A1 (en) * 2019-02-01 2020-08-06 Boa Technology Inc. Reel based closure devices for tightening a ski boot
FR3117744A1 (fr) * 2020-12-18 2022-06-24 Salomon S.A.S Chaussure de ski et dispositif de serrage

Also Published As

Publication number Publication date
FR3106039B1 (fr) 2022-02-11
FR3106039A1 (fr) 2021-07-16
EP3847919B1 (de) 2024-03-27
US20210212411A1 (en) 2021-07-15

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