EP1174048A1 - Fastening device for footwear - Google Patents

Fastening device for footwear Download PDF

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Publication number
EP1174048A1
EP1174048A1 EP01115869A EP01115869A EP1174048A1 EP 1174048 A1 EP1174048 A1 EP 1174048A1 EP 01115869 A EP01115869 A EP 01115869A EP 01115869 A EP01115869 A EP 01115869A EP 1174048 A1 EP1174048 A1 EP 1174048A1
Authority
EP
European Patent Office
Prior art keywords
flap
footwear
foot
clamping device
lower flap
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
EP01115869A
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German (de)
French (fr)
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EP1174048B1 (en
Inventor
François Girard
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Salomon SAS
Original Assignee
Salomon SAS
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Filing date
Publication date
Application filed by Salomon SAS filed Critical Salomon SAS
Publication of EP1174048A1 publication Critical patent/EP1174048A1/en
Application granted granted Critical
Publication of EP1174048B1 publication Critical patent/EP1174048B1/en
Anticipated expiration legal-status Critical
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C1/00—Shoe lacing fastenings
    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43B—CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR
    • A43B23/00—Uppers; Boot legs; Stiffeners; Other single parts of footwear
    • A43B23/02—Uppers; Boot legs
    • A43B23/0205—Uppers; Boot legs characterised by the material
    • A43B23/0235—Different layers of different material
    • 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
    • A43C11/1493—Strap fastenings having hook and loop-type fastening elements

Definitions

  • the present invention relates to a clamping device intended to equip an article footwear, such as a shoe or a sandal, intended in particular, but not restrictive, to the practice of sport.
  • the invention specifies elements relating to elements of the clamping device on which is fixed the clamping means itself.
  • the means of tightening a shoe is most often fixed directly on the stem, at the level of the quarters intended to be brought together. So that the means clamp can properly hold the foot, the rod should be as flexible as possible. Yes it is too flexible, the rod can no longer distribute the clamping pressure which may turn out to be painful for the foot. Conversely, a rigid rod allows the pressure to be well distributed tightening but at the expense of comfort and support of the foot, which must be compensated by the use of an internal liner which fills the residual space between the upper and the foot.
  • Document EP 521 287 describes an internal tightening applied to a walking shoe in Mountain.
  • the clamping device is more precise than the previous device because it is closer to the foot.
  • this internal tightening which is carried out by flexible elements, retains the disadvantages mentioned above which arise from the use of a flexible structure.
  • Document FR 2 694 167 describes an external clamping device for a shoe. mountain hike that includes a rigid flap positioned on the side, at level of the instep, on the outer side of the shoe. This component allows to keep plated, thanks to the clamping means, the foot against the medial side of the upper of the shoe.
  • this device has a discontinuity between the upper end of the flap rigid and the most flexible rod located on the other lateral part of the foot.
  • This discontinuity on the top of the instep, can be very painful for the user because the device clamping does not distribute the clamping pressure. Indeed, the tightening system is anchored directly on the end of the rigid flap.
  • Document DE 42 29 036 describes a mountain hiking shoe, the two of which quarters of said rod have an overlap, in particular at the instep, and are fitted with a lace tightening system.
  • This device makes it possible in particular to simplify the opening of the shoe while ensuring the water resistance thereof.
  • the stem having a substantially identical flexibility in the two quarters, does not allow to distribute comfortably the clamping pressure on the foot.
  • the two stem quarters are deform symmetrically to enclose the foot and the clamping device does not therefore does not press the foot against a predetermined quarter of the rod.
  • the object of the present invention is to provide an improved clamping device resolving in particular the drawbacks exposed above of the prior art.
  • One of the aims of the present invention is to provide a clamping device intended to equipping an article of footwear which makes it possible to keep the foot pressed against one of the sides of the footwear, while ensuring a distribution on the foot of the pressure generated by the clamping system.
  • Another object of the invention is to propose a clamping device which improves the rigidity in torsion of the footwear while respecting as much as possible the bending of said article fit.
  • the clamping device comprises a lower flap and a flap upper comprising an overlapping area which partially covers the lower flap.
  • a clamping means comprising at least An anchoring on each of the flaps
  • the upper flap is more flexible than the lower flap.
  • the anchor located at the upper flap is positioned in the area of overlap.
  • the flaps constitute the upper of the footwear.
  • the flaps being positioned outside the rod of the footwear, form an external tightening device.
  • the flaps being positioned inside the rod of the footwear, form an internal tightening device.
  • the upper flap is an integral part of the rod. footwear.
  • FIG. 1 represents a front perspective view of a sandal equipped with the device for tightening according to the first embodiment.
  • FIG. 1a schematically represents a cross section of the shoe illustrated in FIG. 1 and in a cutting direction D1 marked in FIG. 1.
  • FIG. 2 represents a front perspective view of a sports shoe equipped with the clamping device, in the closed position, according to the second embodiment.
  • FIG. 3 represents a front perspective view of a sports shoe but the clamping device is in the open position and conforms to a first variant of the second embodiment.
  • FIG. 4 represents a side view of a mountain walking shoe equipped with the clamping device according to a second variant of the second embodiment.
  • FIG. 5 schematically represents an exploded perspective view before a cross-country ski boot equipped with the tightening device according to the third mode of production.
  • Figure 6 schematically shows an exploded perspective view before a cross-country ski boot equipped with the tightening device according to a variant of the third embodiment.
  • Figures 7 and 8 schematically represent a cross section of the article fitting, at the tightening device, a sports shoe equipped with the tightening according to the fourth embodiment.
  • FIG. 9 schematically represents a side view of an equipped bicycle shoe of the clamping device according to a third variant of the second embodiment.
  • the footwear CH shown is a sandal.
  • the sandal does not include no full shank, but the user's foot is held on the sole 100 directly by the clamping device according to the present invention.
  • Said clamping device maintains the foot vertically and laterally by flaps 1, 2.
  • the clamping device is completed, at heel level, rear support.
  • This additional means of maintenance is not not essential, the footwear thus obtained then being a mule type sandal which leave the heel free.
  • the rear support here consists of a strap 26 which is fixed to one flaps 1, and which passes through a reference 27 fixed on the other flap 2.
  • the strap 26b which includes fixing means, in particular of the hook-and-loop type, making it possible to fix the back 26b on strap 26.
  • the clamping device comprises a lower flap 1 and an upper flap 2 arranged on each of the lateral and medial sides of the footwear CH.
  • the upper flap 2 covers in part of the lower flap 1 at an overlap zone 5.
  • the flaps 1, 2, directly constitute the rod of the footwear CH, and are fixed on the sole 100.
  • the lower flap 1 comprises at level of the lower end 1b of the fixing means capable of securing said flap 1 to the sole 100.
  • the upper flap 2 comprises, at the level of the lower end 2b, fixing means capable of securing the upper flap 2 to the sole 100.
  • the sole 100 includes a outsole 100a surmounted by a sole damping intermediate 100b, the means for fixing the flaps 1, 2, in particular of bonding type, used to fix said flaps 1, 2, on the midsole depreciation 100b.
  • These fixing means may advantageously be covered by a 100d comfort sole, in particular in leather, intended to be in contact with the foot and to cover the top of sole 100.
  • the clamping device also comprises a clamping means 4 which comprises at at least one anchor 11, 12, positioned on each of the flaps 1, 2.
  • This clamping means allows to bring the two flaps 1, 2 together, in order to enclose the foot against the sole 100.
  • the means of tightening 4 presently illustrated is of the lace tightening type comprising a link 30 which connects alternately anchors 11, 12, which are here lace references which are fixed to the flaps 1, 2 and which, by allowing the link 30 to slide, transmitting the tightening forces to said shutters (1, 2).
  • the clamping means 4 also comprises a locking means, not shown in the figure, which can be a knot or in particular a blocker mounted on the link 30, making it possible to maintain the tension in the link 30.
  • the anchors 12, 12a located at the level of the upper flap 2, are positioned in the overlap zone 5.
  • This zone of overlap 5 is defined by the overlap of the flaps 1, 2, when the tightening is closed around a foot. It extends from the upper end 2a of the flap 2 in direction of the sole 100.
  • the anchors 11, located on the lower flap 1 are positioned outside the projection of the overlapping zone 5 on the flap 1.
  • flaps 1, 2 In order to properly hold the foot in the CH footwear, flaps 1, 2, will be advantageously arranged at the instep so as to enclose this part of the foot. Similarly, it is preferable that the flaps 1, 2, do not extend at the level of the joint metatarsophalangeal and at the malleolus of the ankle joint so as not to not hinder the flexion of said joints.
  • One solution among others is to position the flaps 1, 2, between the two areas of the foot previously mentioned. Respect for this constructive arrangement guarantees maximum comfort for the foot while respecting the biomechanics of the foot and ankle joint.
  • both flaps also meet at the back of the leg and are integral with each other, particularly at level of the calf muscle or at the back of the ankle.
  • FIG. 1a which represents a cross section of the first embodiment
  • the upper flap 2 is distinguished from lower flap 1 in particular by the fact that the upper flap 2 has greater flexibility compared to the lower flap 1.
  • This asymmetry of flexibility allows, among other things, to predetermine a reference component, in this case the component more rigid which is here the lower flap 1, against which the foot will be immobilized by the this clamping device.
  • the upper flap 2 being the most flexible, will deform more than the lower flap 1.
  • the upper flap 2 will therefore come press against the foot and optionally move the foot laterally towards the lower flap 1 until the foot comes to rest against the lower flap 1.
  • the rigidity of the lower flap 1 also allows better distribution on the foot of the pressure generated by the clamping device 4.
  • the clamping means 4 generates known manner a primary force F1 which tends to bring the two flaps 1, 2 together, and to stabilize laterally the foot.
  • this force F4 is invariably accompanied by a secondary force F2 which is perpendicular to the primary force F1 and which tends to press the foot P on the sole (100, 100b).
  • the primary force F1 is substantially horizontal and oriented transversely to the footwear CH, while the secondary force F2 is substantially vertical and oriented downwards.
  • the clamping means 4 at the level of the upper flap 2, being located on the overlapping zone 5, said forces (F1, F2) apply directly to the lower flap 1.
  • the rigidity of the lower flap 1 allows to control the bending of the flap 1, and therefore to limit the downward deformation which is induced by the secondary force F2. Compliance with this constructive provision makes it possible to obtain a powerful lateral support of the foot P against the lower flap 1 while not generating uncomfortable overpressure on the top of the foot.
  • the flexibility of the upper flap 2 is obtained by recesses 24a, 24b, on the upper flap 2 which make it possible to soften and ventilate said flap 2.
  • the upper flap 2 can advantageously comprise at least one recess 24b which opens onto the sole 100, and which delimits a front branch 25 in the flap 2.
  • the branch 25 is fixed to the sole 100 at the joint metatarsophalangeal to provide good lateral support of the foot.
  • the upper pane 2 may also include at least one recess 24a which remains included in shutter 2.
  • This recess 24a advantageously has an elongated shape whose large dimension is oriented substantially in the curvilinear direction D1, D2, perpendicular to the upper edge of the foot, and connecting at the instep the upper edge of the foot to the sole 100. Even, the recess 24a will advantageously be positioned between two curvilinear directions D1, D2, which pass through two constituent anchors 12, 12a, located on the upper flap 2. Thus, the holding force exerted by the link 30 on the anchors 12, 12a, is well transmitted directly to the sole 100, without the recess 24a altering the power of the Tightening.
  • the presence of the recesses 24a, 24b in the upper flap 2 also allows soften the shutter 2 and therefore use the same material for the upper shutter 2 and the shutter lower 1.
  • these recesses 24a, 24b can be combined with other measures described later, making it possible to soften the upper flap 2 as in particular the use of a softer or thinner material for the upper flap 2. All combinations of the recesses 24a, 24b, with other means remain in accordance with the invention as long as the upper flap 2 has greater flexibility than the lower flap 1.
  • This element of comfort can be an internal lining positioned punctual at the edge 1a of the flap 1, or in particular an internal sock positioned under flaps 1, 2, and connected on both sides to said flaps 1, 2, or to the sole
  • This element of comfort not illustrated, can be made in particular of neoprene or fabric. elastic.
  • the footwear CH represented is a sports shoe with an O average height used in particular for the practice of walking.
  • Footwear CH includes a sole 100 surmounted by a rod O which is itself surmounted by the flaps 1, 2, of this clamping device.
  • the clamping means 4 Like lower pane 1 and upper pane 2 are positioned outside the rod O, they constitute, with the clamping means 4, a clamping device external to the footwear CH.
  • the remarks relating to the clamping device described in the previous embodiment remain applicable to present embodiment.
  • the clamping means 4, which is positioned on the flaps 1, 2, also extends on the rod O at the articulation of the ankle.
  • the rod O comprises at least one lace reference 43 disposed substantially symmetrically on each of its two lateral and medial faces Oa, Ob, and arranged more high and further back with respect to the yaw references 11, 12, arranged on the flaps 1, 2.
  • the lace 30 passes through the anchors 11, 12, positioned on the flaps 1, 2, maintaining the foot at the instep, then passes through the references 43 before being blocked by a blocking means 31 such as a knot.
  • the flaps 1, 2 are fixed to the sole 100 of known way between the rod O and the sole 100, possibly at the level of the sole depreciation 100b.
  • the flap placed on the lateral part that is to say on the external side, which is most stressed in deformation in order to fit the foot at the level of the neck of foot.
  • the flaps 1, 2, being fixed on the sole 100, 100b they cannot pivot at the like a hinge, but only deform in bending.
  • the component lower 1, rigid will advantageously be arranged on the medial side, that is to say inter, of the footwear CH and the upper flap 2, flexible, will be arranged on the side lateral, that is to say external, of the footwear CH.
  • the lower pane 1 may advantageously be fixed to the rod O by fixing means, such as seams, which allow a hinge-type pivoting of said flap. These seams can be placed slightly above the top of sole 100, where you can see the most great curvature of the foot on its external face, in order to best adapt to the morphology of the foot.
  • the rod O is reinforced in its mechanical structure by the flaps 1, 2, which are External. This improvement in the mechanical characteristics of the footwear CH allows to the latter to better resist torsional deformations. This improvement is reinforced by the overlapping geometry of the flaps 1, 2, which create with the sole 100 a structure almost closed and very resistant to torsional forces.
  • FIG. 3 represents a variant of the footwear item CH previously described, but which is shown with the clamping device open and not equipped with clamping means so to illustrate the elements provided by this variant.
  • the upper flap 2 is currently illustrated in the inverted position.
  • the flexibility of the upper flap 2 is obtained by the use, for the flap upper 2, of one or more materials which are more flexible than those used for the lower flap 1.
  • the lower flap 1 may be produced by plastic material in particular thermoformed polypropylene, ABS, polyethylene type 0.5 to 2.5 mm thick, while the upper flap 2 will be made of leather or tissue.
  • the upper flap may be made of fabric.
  • the lower flap 1 may advantageously include specific arrangements located substantially on the longitudinal axis D of the foot, in order to hinder as little as possible the flexibility in front flexion of the foot and ankle joint.
  • the lower flap 1 may therefore include a notch 15, located on its upper part and substantially along the axis longitudinal D of the foot, which allows, during flexion of the ankle, to reserve a space for the tibia bone.
  • the footwear CH may advantageously be provided with a tongue 32 which is padded and comfortable in order to improve comfort in terms of the notch 15.
  • the lower flap 1 may also include at least one recess 14 arranged substantially perpendicular to the longitudinal axis D of the foot, in particular on the top of the foot.
  • This recess 14 which makes it possible to soften in forward bending the lower flap 1, could advantageously be positioned between two anchors 11, 12, of the lower flap 1.
  • the compliance with this constructive arrangement makes it possible to position the lace crossover substantially on the recess 14 which prevents the lace from stiffening in flexion the lower flap 1.
  • FIG. 4 illustrates an article of footwear CH provided with a rod O of a fairly high important covering the ankle joint and lower leg.
  • This CH footwear is intended more particularly for the practice of mountain hiking, paragliding, walks on a glacier, but can also equip a chassis intended for skating in line and ice skating.
  • the footwear CH comprises a sole 100 comprising a outsole 100a surmounted by a protective strip 100c which rises vertically along the rod O so protect it from impacts, especially on stones, while walking.
  • the lower flap 1 is positioned on the medial side of the footwear CH.
  • Lower flaps 1 and upper flaps 2 can be fixed to the sole 100 as described above, or else fixed to the upper O on inside the protective strip 100c, by fixing means 28b such as seams.
  • the CH footwear item is equipped a heel counter 20 which preferably surrounds the ankle and the heel, and which extends upwards along the rod O above the protective strip 100c.
  • This buttress of heel 20 made of rigid or semi-rigid material, in particular of plastic type, is fixed to the rod O by suitable means such as seams 28 which are positioned preferably along the periphery of the heel counter 20.
  • the lower flap 1 extends backwards in integrating the heel counter 20.
  • the flap 1 and the heel counter 20 therefore forms only one one and the same piece.
  • the lower flap 1 is also fixed to the rod O by a seam 28a which preferably extends in a direction substantially parallel to the upper edge of the instep and which connects the seam 28b to the seam 28.
  • the lower flap 1 is separates from the rod O over a substantially constant width defined by the seams 28a, 28b. This allows efficient tightening as previously described in Figure 2.
  • the tightening means 4 extends upwards of the footwear CH, outside the lower flap 1, by a yaw return 41 disposed substantially at the articulation of the ankle which allows the foot to be held firmly in the footwear CH by a tightening the heel perimeter.
  • the lower flap 1 includes a recess 29 complementary to the yaw reference 41 which advantageously releases the rod O at the level of the ankle joint area.
  • clamping means 4 can advantageously extend upward passing in lace references 42 which are positioned on a collar 21.
  • Said collar 21 having a rigid character, is pivotally mounted on the heel counter 20 by means of a connection such as a rivet 22 and is intended to stiffen the dowel.
  • FIG. 5 illustrates an article of footwear CH intended for the practice of cross-country skiing, and in particular but not limited to the practice of the technique of alternative steps.
  • the footwear CH is shown in exploded perspective view of the external side in which the link of the clamping means 4 is not shown for the sake of clarity.
  • the footwear comprises an upper O intended in particular for protect the foot from snow and cold covering the lower flap 1 and the upper flap 2 thus constituting a tightening device internal to the footwear CH.
  • the foot is positioned inside a comfort envelope 33 and is held by the flaps 1 and 2 which are external to the comfort envelope 33, and which are fixed to the sole 100.
  • the comfort envelope 33 can be removable or fixed to the fitting of the footwear CH to the sole 100.
  • the tightening device, constituted by said flaps 1, 2, conforms to construction details previously described.
  • the footwear CH is also provided with a heel counter 20 which surrounds the heel and which is fixed to the sole 100 while being positioned outside the footwear CH.
  • the heel counter 20 includes suitable fastening means, such as seams 34, which allow the heel counter 20 to be fixed on the comfort sock 33 at the stitching area 36a, and which make it possible to fix the heel counter 20 on the upper flap 2 at the stitching area 36b.
  • the seam 34 also holds the rod O, at the stitching area 36c, sandwiched between the upper flap 2, at the stitching area 36b and the heel counter 20. This interposed support is produced at the level of the stitching area 36b of the upper flap 2.
  • the footwear CH serves, on the one hand, to guide laterally the ski but also to lift said ski during the advancement phase of the leg.
  • the weight of the ski is taken up by the top of the foot.
  • the top of the foot is much more sensitive on its lateral, that is to say external, side.
  • the lower flap 1 could advantageously be positioned on the internal side of the foot in order to constitute a rigid bearing surface allowing the weight of the ski to be taken up, and the flap upper 2 which is flexible, positioned on the lateral side for the comfort of the foot.
  • FIG. 6 illustrates an article of footwear CH intended for the practice of cross-country skiing and especially the practice of the skating technique.
  • This CH footwear is intended also to be fixed on a plate or else to be articulated on said plate in order to inline skating and ice skating.
  • This variant embodiment differs mainly of the embodiment, illustrated in Figure 5, by the heel counter 20 and the lower pane 1 which are no longer two separate parts, but form a single part here designated by holding piece 50.
  • the lower flap 1 extends rearward continuously by integrating the heel buttress 20.
  • the lower flap 1 is positioned under the rod O, to form with the upper flap 2 an internal tightening device in the footwear CH, and the heel counter 20 remains external to the footwear CH.
  • the rod O comprises suitable fixing means such as a seam 34a which fixes the rod O to the exterior of the lower flap 1, at a stitching area 36d.
  • the buttress of heel 20 includes suitable fastening means such as seams 34 which fix the heel counter 20 on the outside of the footwear CH, at a stitching area 36a.
  • the heel counter 20 is here fixed, by the seam 34, to the comfort sock 33. A once the CH footwear has been assembled, the seams 34 and 34a may advantageously be aligned.
  • the retaining piece 50 has a thickness variation, close to the area stitching 36d which makes it possible to delimit the heel counter 20 whose thickness is more important than the thickness of the lower flap 1.
  • the thickness of the heel counter 20 will be substantially equal to the thickness of the flap 1 at the stitching area 36d supplemented with the thickness of the rod O.
  • the rod O at the level of the stitching area 36d, comes flush with the heel counter 20 and therefore the footwear CH does not have points at this level grip between the two shoes which could be dangerous for the user during sports.
  • the holding piece 50 will advantageously include a return 70 which extends substantially horizontally from the lower edge 71 towards inside the footwear CH. This return facilitates fixing by known means such as as seams or glue, of the retaining piece 50 on the sole 100.
  • FIG. 7 illustrates a section of an article of footwear CH at the level of the lower flap 1 of the this clamping device.
  • the flap upper 2 is an integral part of the upper O of the footwear CH, and the lower flap 1 is positioned inside the rod O.
  • the present device therefore achieves a half-tightening internal, i.e. internal tightening with a single flap.
  • the footwear CH includes a comfort sock 33 intended to be in contact with the foot, which is surmounted by the flap lower 1.
  • the lower flap 1 is covered by the rod O which comprises a means of appropriate closure 35, in particular of the zipper type.
  • Rod O, lower flap 1 and possibly the comfort sock 33 are fixed to the sole 100 by methods known such as the use of a first mounting sole 100e. For example, elements O, 1, 33, are fixed on the underside of the first mounting sole 100e, then the whole is fixed to the sole 100.
  • the clamping means 4 which is shown without the link for clarity, comprises at at least one anchor 11, which is fixed on top of the lower flap 1, and at least one anchor 12 which is fixed on the internal face 3 of the upper flap 2, said internal face 3 being opposite the lower flap 1.
  • the anchor 12 is positioned directly above the lower flap 1 so as not to not interfere during the tightening phase of the tightening means 4.
  • the rigidity of the flap lower 1 distributes the hard point represented by the anchor 12 which is pressed against said flap 1 by the rod O and its closure means 35.
  • the anchor 12 may be advantageously in strap in order to be less thick and may advantageously be fixed to the rod O by seams 51.
  • FIG. 8 illustrates a section of a variant of the embodiment previously described.
  • the upper flap 2 is always an integral part of the upper O of the footwear CH, but the lower flap 1 is external to the rod O so as to constitute an external half-clamp, at know an external tightening with a single flap.
  • the rod O and the lower flap 1 are fixed known manner and previously described with the sole 100.
  • the anchoring 12 of the means of clamping 73, the link of which is not shown, is positioned on top of the upper flap 2.
  • the rod portion O which is positioned under the flap 1, includes a return 52 which allows protect the foot from contact with the edge of the shutter 1, and which connects to the other portion 74 of rod O comprising the upper flap 2.
  • junction between the return 52 and the flap 2, positioned next to it of the anchor 12, can be achieved in particular by a strong curvature of the rod O which is held by the fixing means 51 of the anchor 12 which can advantageously pass through the two thicknesses of rod O. Compliance with this constructive arrangement ensures a good tightness of the rod O in the face of external aggressions such as rain or snow.
  • the footwear CH represented is a bicycle shoe intended in particular, and not limited to, the practice of mountain biking.
  • the current CH shoe will advantageously cooperate with a pedal of the bicycle in order to optimize the pedaling power by pulling the pedal up.
  • the pedal is hooked to the sole 100, the tensile force of the foot is reflected on the top of the foot, especially at instep level.
  • the rigid nature of the lower flap 1, which is positioned in particular on the top of the foot, also helps limit upward deformation of the upper O the footwear CH.
  • the lower flap 1 also plays a role in distributing the tensile forces on the top of the foot.
  • the lower flap 1 is positioned on the instep and on the medial side of the foot.
  • the upper flap 2 is brought closer to the lower flap 1 by a tightening means 4 which preferably comprises a strap 60 the width of which is pressed against the lower flap 1.
  • the strap 60 is fixed at its ends either to the lower flap 1, or to the rod O, or else to the sole 100 at two points distinct from the medial side of the footwear CH, and passes into a reference 61 which is supported on the upper flap 2 at the level of the overlapping zone 5.
  • the reference 61 is connected to a closure and / or adjustment system such as a loop 62 which is fixed to the upper flap 2.
  • clamping means 4 can be different and in particular, but not limitative, include a return which is directly attached to the upper flap 2. The function of adjustment and closing will then be carried over to the strap 60 for example in the zone of attachment, on the medial side of the footwear, of one of the ends of the strap 60.
  • Figure 9 also illustrates a construction variant of the upper flap 2.
  • the flap upper 2 extends rearwards by integrating a heel counter 20 to form a single retaining piece 75.
  • the heel counter 20 is fixed to the outside of the upper O by means suitable such as a seam 76 which extends substantially along a portion of the periphery of the heel counter 20 and which is extended by a seam 76a separating the portion of the upper flap 2 of the heel counter portion 20.
  • the upper flap 2 is not fixed to the rod O only by its base and by the seam 76a in order to ensure better tightening of the article fit.
  • the flexible nature of the upper flap 2 can advantageously be obtained by at least one recess 63.
  • This recess 63 which can be through or else include a reduction in the thickness of the upper flap 2, is oriented in a direction C which is substantially parallel to the upper edge E of the kick. This direction corresponds approximately to the preferred bending axis of the upper flap 2 for wrap the foot.
  • flaps 1, 2, and heel counter 20 can be made with the same material and possibly constitute only one and the same piece which surrounds the heel and extends along from the upper O towards the front, covering the sides and the top of the instep.
  • the clamping device can also be completed by a clamping means complementary 64.
  • this complementary tightening means 64 is independent of this clamping device and is of the hook-and-loop type and is positioned on top of the foot at the metatarsophalangeal joint of the foot.
  • the present invention is not limited to the embodiments described above, which are given for information only, but encompasses all combinations of modes and construction variants, in particular relating to the lower flap and to the upper flap described in the various embodiments, and also encompasses all of the embodiments similar or equivalent.
  • the present invention also encompasses shoes equipped with this device for Tightening.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Advancing Webs (AREA)

Abstract

The footwear tightening device comprises an upper flap (2) which partly covers a lower flap (1). The two flaps hold the foot laterally by means of tightening means (4) which include an anchoring (11,12) on each of the flaps. The upper flap is more supple than the lower flap. An Independent claim is included for footwear fitted with the tightening device.

Description

La présente invention concerne un dispositif de serrage destiné à équiper un article chaussant, telle qu'une chaussure ou bien une sandale, destiné notamment, mais de façon non limitative, à la pratique du sport. L'invention précise des éléments relatifs à des éléments du dispositif de serrage sur lesquels est fixé le moyen de serrage proprement dit.The present invention relates to a clamping device intended to equip an article footwear, such as a shoe or a sandal, intended in particular, but not restrictive, to the practice of sport. The invention specifies elements relating to elements of the clamping device on which is fixed the clamping means itself.

Dans l'art antérieur, le moyen de serrage d'une chaussure est le plus souvent fixé directement sur la tige, au niveau des quartiers destinés à être rapprochés. Afin que le moyen de serrage puisse maintenir correctement le pied, la tige doit être la plus souple possible. Si elle est trop souple, la tige ne peut plus répartir la pression de serrage qui peut s'avérer être douloureuse pour le pied. Inversement, une tige rigide permet de bien répartir la pression de serrage mais au détriment du confort et du maintien du pied, qu'il faut compenser par l'utilisation d'un chausson interne qui vient combler l'espace résiduel entre la tige et le pied.In the prior art, the means of tightening a shoe is most often fixed directly on the stem, at the level of the quarters intended to be brought together. So that the means clamp can properly hold the foot, the rod should be as flexible as possible. Yes it is too flexible, the rod can no longer distribute the clamping pressure which may turn out to be painful for the foot. Conversely, a rigid rod allows the pressure to be well distributed tightening but at the expense of comfort and support of the foot, which must be compensated by the use of an internal liner which fills the residual space between the upper and the foot.

Le document EP 521 287 décrit un serrage interne appliqué à une chaussure de marche en montagne. Le dispositif de serrage est plus précis que le dispositif précédent car plus près du pied. Cependant, ce serrage interne, qui est réalisé par des éléments souples, conserve les inconvénients précédemment cités qui découlent de l'emploi d'une structure souple.Document EP 521 287 describes an internal tightening applied to a walking shoe in Mountain. The clamping device is more precise than the previous device because it is closer to the foot. However, this internal tightening, which is carried out by flexible elements, retains the disadvantages mentioned above which arise from the use of a flexible structure.

Le document FR 2 694 167 décrit un dispositif de serrage externe d' une chaussure de randonnée en montagne qui comprend un volet rigide positionné sur la partie latérale, au niveau du cou de pied, du côté externe de la chaussure. Ce volet permet de maintenir plaqué, grâce au moyen de serrage, le pied contre le côté médial de la tige de la chaussure.Document FR 2 694 167 describes an external clamping device for a shoe. mountain hike that includes a rigid flap positioned on the side, at level of the instep, on the outer side of the shoe. This component allows to keep plated, thanks to the clamping means, the foot against the medial side of the upper of the shoe.

Cependant, ce dispositif présente une discontinuité entre l'extrémité supérieure du volet rigide et la tige la plus souple située sur l'autre partie latérale du pied. Cette discontinuité, sur le dessus du cou de pied, peut s'avérer très douloureuse pour l'utilisateur car le dispositif de serrage ne permet pas de répartir la pression du serrage. En effet, le système de serrage s'ancre directement sur l'extrémité du volet rigide.However, this device has a discontinuity between the upper end of the flap rigid and the most flexible rod located on the other lateral part of the foot. This discontinuity, on the top of the instep, can be very painful for the user because the device clamping does not distribute the clamping pressure. Indeed, the tightening system is anchored directly on the end of the rigid flap.

Le document DE 42 29 036 décrit une chaussure de randonnée en montagne dont les deux quartiers de ladite tige présentent un recouvrement, notamment au niveau du cou de pied, et sont munis d'un système de serrage par lacet. Ce dispositif permet notamment de simplifier l'ouverture de la chaussure tout en garantissant l'étanchéité de celle-ci. Mais la tige, ayant une souplesse sensiblement identique sur les deux quartiers, ne permet pas de répartir confortablement la pression de serrage sur le pied. De plus, les deux quartiers de tige se déforment sensiblement de façon symétrique pour enserrer le pied et le dispositif de serrage ne vient donc pas plaquer le pied contre un quartier prédéterminé de la tige.Document DE 42 29 036 describes a mountain hiking shoe, the two of which quarters of said rod have an overlap, in particular at the instep, and are fitted with a lace tightening system. This device makes it possible in particular to simplify the opening of the shoe while ensuring the water resistance thereof. But the stem, having a substantially identical flexibility in the two quarters, does not allow to distribute comfortably the clamping pressure on the foot. In addition, the two stem quarters are deform symmetrically to enclose the foot and the clamping device does not therefore does not press the foot against a predetermined quarter of the rod.

Le but de la présente invention est de proposer un dispositif de serrage amélioré résolvant notamment les inconvénients exposés ci-avant de la technique antérieure.The object of the present invention is to provide an improved clamping device resolving in particular the drawbacks exposed above of the prior art.

Un des buts de la présente invention est de proposer un dispositif de serrage destiné à équiper un article chaussant qui permette de maintenir le pied plaqué contre un des côtés prédéterminés de l'article chaussant, tout en assurant une répartition sur le pied de la pression engendrée par le système de serrage.One of the aims of the present invention is to provide a clamping device intended to equipping an article of footwear which makes it possible to keep the foot pressed against one of the sides of the footwear, while ensuring a distribution on the foot of the pressure generated by the clamping system.

Un autre but de l'invention est de proposer un dispositif de serrage qui améliore la rigidité en torsion de l'article chaussant tout en respectant au maximum la flexion dudit article chaussant.Another object of the invention is to propose a clamping device which improves the rigidity in torsion of the footwear while respecting as much as possible the bending of said article fit.

Pour atteindre ces objectifs, le dispositif de serrage comprend un volet inférieur et un volet supérieur comprenant une zone de chevauchement qui recouvre, en partie, le volet inférieur. Afin de bien répartir les pressions engendrées par un moyen de serrage comportant au moins un ancrage sur chacun des volets, le volet supérieur est plus souple que le volet inférieur. De même, l'ancrage situé au niveau du volet supérieur est positionné dans la zone de chevauchement.To achieve these objectives, the clamping device comprises a lower flap and a flap upper comprising an overlapping area which partially covers the lower flap. In order to properly distribute the pressures generated by a clamping means comprising at least An anchoring on each of the flaps, the upper flap is more flexible than the lower flap. Of even, the anchor located at the upper flap is positioned in the area of overlap.

Dans le premier mode de réalisation, les volets constituent la tige de l'article chaussant.In the first embodiment, the flaps constitute the upper of the footwear.

Dans un deuxième mode de réalisation, les volets, étant positionnés à l'extérieur de la tige de l'article chaussant, forment un dispositif de serrage externe.In a second embodiment, the flaps, being positioned outside the rod of the footwear, form an external tightening device.

Dans un troisième mode de réalisation, les volets, étant positionnés à l'intérieur de la tige de l'article chaussant, forment un dispositif de serrage interne.In a third embodiment, the flaps, being positioned inside the rod of the footwear, form an internal tightening device.

Dans un quatrième mode de réalisation, le volet supérieur fait partie intégrante de la tige de l'article chaussant.In a fourth embodiment, the upper flap is an integral part of the rod. footwear.

L'invention sera mieux comprise et d'autres avantages de celle-ci apparaítront à l'aide de la description qui suit en référence aux dessins schématiques annexés. La description illustre, à titre d'exemples non limitatifs, certains modes de réalisation préférés.The invention will be better understood and other advantages thereof will appear with the aid of the description which follows with reference to the appended schematic drawings. The description illustrates, at As nonlimiting examples, certain preferred embodiments.

La figure 1 représente une vue en perspective avant d'une sandale équipée du dispositif de serrage selon le premier mode de réalisation.FIG. 1 represents a front perspective view of a sandal equipped with the device for tightening according to the first embodiment.

La figure 1a représente schématiquement une coupe transversale de la chaussure illustrée à la figure 1 et selon une direction de coupe D1 repérée sur la figure 1.FIG. 1a schematically represents a cross section of the shoe illustrated in FIG. 1 and in a cutting direction D1 marked in FIG. 1.

La figure 2 représente une vue en perspective avant d'une chaussure de sport équipée du dispositif de serrage, en position fermée, selon le deuxième mode de réalisation.FIG. 2 represents a front perspective view of a sports shoe equipped with the clamping device, in the closed position, according to the second embodiment.

La figure 3 représente une vue en perspective avant d'une chaussure de sport mais dont le dispositif de serrage est en position ouvert et conforme à une première variante du deuxième mode de réalisation.FIG. 3 represents a front perspective view of a sports shoe but the clamping device is in the open position and conforms to a first variant of the second embodiment.

La figure 4 représente une vue de côté d'une chaussure de marche en montagne équipée du dispositif de serrage selon une seconde variante du deuxième mode de réalisation.FIG. 4 represents a side view of a mountain walking shoe equipped with the clamping device according to a second variant of the second embodiment.

La figure 5 représente schématiquement une vue éclatée en perspective avant d'une chaussure de ski de fond équipée du dispositif de serrage selon le troisième mode de réalisation.FIG. 5 schematically represents an exploded perspective view before a cross-country ski boot equipped with the tightening device according to the third mode of production.

La figure 6 représente schématiquement une vue éclatée en perspective avant d'une chaussure de ski de fond équipée du dispositif de serrage selon une variante du troisième mode de réalisation. Figure 6 schematically shows an exploded perspective view before a cross-country ski boot equipped with the tightening device according to a variant of the third embodiment.

Les figures 7 et 8 représentent schématiquement une coupe transversale à l'article chaussant, au niveau du dispositif de serrage, d'une chaussure de sport équipée du dispositif de serrage selon le quatrième mode de réalisation.Figures 7 and 8 schematically represent a cross section of the article fitting, at the tightening device, a sports shoe equipped with the tightening according to the fourth embodiment.

La figure 9 représente schématiquement une vue de côté d'une chaussure de vélo équipée du dispositif de serrage selon une troisième variante du second mode de réalisation.FIG. 9 schematically represents a side view of an equipped bicycle shoe of the clamping device according to a third variant of the second embodiment.

Sur la figure 1, l'article chaussant CH représenté est une sandale. La sandale ne comprend pas de tige à part entière, mais le pied de l'utilisateur est maintenu sur la semelle 100 directement par le dispositif de serrage selon la présente invention. Ledit dispositif de serrage maintient verticalement et latéralement le pied grâce à des volets 1, 2.In FIG. 1, the footwear CH shown is a sandal. The sandal does not include no full shank, but the user's foot is held on the sole 100 directly by the clamping device according to the present invention. Said clamping device maintains the foot vertically and laterally by flaps 1, 2.

Dans le mode de réalisation préféré et illustré, le dispositif de serrage est complété, au niveau du talon, d'un maintien arrière. Cependant, ce moyen complémentaire de maintien n'est pas indispensable, l'article chaussant ainsi obtenu étant alors une sandale de type mule qui laisse le talon dégagé. Le maintien arrière est ici constitué d'une sangle 26 qui est fixée à l'un des volets 1, et qui passe dans un renvoi 27 fixé sur l'autre volet 2. La sangle 26b qui comporte des moyens de fixation notamment de type auto-agrippant permettant de fixer le retour 26b sur la sangle 26.In the preferred and illustrated embodiment, the clamping device is completed, at heel level, rear support. However, this additional means of maintenance is not not essential, the footwear thus obtained then being a mule type sandal which leave the heel free. The rear support here consists of a strap 26 which is fixed to one flaps 1, and which passes through a reference 27 fixed on the other flap 2. The strap 26b which includes fixing means, in particular of the hook-and-loop type, making it possible to fix the back 26b on strap 26.

Le dispositif de serrage comprend un volet inférieur 1 et un volet supérieur 2 disposés sur chacun des côtés latéral et médial de l'article chaussant CH. Le volet supérieur 2 recouvre en partie le volet inférieur 1 au niveau d'une zone de chevauchement 5.The clamping device comprises a lower flap 1 and an upper flap 2 arranged on each of the lateral and medial sides of the footwear CH. The upper flap 2 covers in part of the lower flap 1 at an overlap zone 5.

Dans ce premier mode de réalisation, les volets 1, 2, constituent directement la tige de l'article chaussant CH, et sont fixés sur la semelle 100. Ainsi, le volet inférieur 1 comprend au niveau de l'extrémité inférieure 1b des moyens de fixation aptes à solidariser ledit volet 1 à la semelle 100. De même, le volet supérieur 2 comprend, au niveau de l'extrémité inférieure 2b, des moyens de fixation aptes à solidariser le volet supérieur 2 à la semelle 100. La semelle 100, présentement illustrée, comprend une semelle d'usure 100a surmontée d'une semelle intermédiaire d'amortissement 100b, les moyens de fixation des volets 1, 2, notamment de type collage, permettent de fixer lesdits volets 1, 2, sur la semelle intermédiaire d'amortissement 100b. Ces moyens de fixation pourront être avantageusement recouverts par une semelle de confort 100d, notamment en cuir, destinée à être en contact avec le pied et à recouvrir le dessus de la semelle 100.In this first embodiment, the flaps 1, 2, directly constitute the rod of the footwear CH, and are fixed on the sole 100. Thus, the lower flap 1 comprises at level of the lower end 1b of the fixing means capable of securing said flap 1 to the sole 100. Likewise, the upper flap 2 comprises, at the level of the lower end 2b, fixing means capable of securing the upper flap 2 to the sole 100. The sole 100, presently illustrated, includes a outsole 100a surmounted by a sole damping intermediate 100b, the means for fixing the flaps 1, 2, in particular of bonding type, used to fix said flaps 1, 2, on the midsole depreciation 100b. These fixing means may advantageously be covered by a 100d comfort sole, in particular in leather, intended to be in contact with the foot and to cover the top of sole 100.

Le dispositif de serrage comprend également un moyen de serrage 4 qui comporte au moins un ancrage 11, 12, positionné sur chacun des volets 1, 2. Ce moyen de serrage permet de rapprocher les deux volets 1, 2, afin d'enserrer le pied contre la semelle 100. Le moyen de serrage 4 présentement illustré est du type serrage à lacet comprenant un lien 30 qui relie alternativement des ancrages 11, 12, qui sont ici des renvois de lacet qui sont fixés aux volets 1, 2 et qui, en permettant le coulissement du lien 30, transmettant les efforts de serrage aux dits volets (1, 2). Le moyen de serrage 4 comprend également un moyen de blocage, non représenté sur la figure, qui peut être un noeud ou notamment un bloqueur monté sur le lien 30, permettant de maintenir la tension dans le lien 30. Les ancrages 12, 12a, situés au niveau du volet supérieur 2, sont positionnés dans la zone de chevauchement 5. Cette zone de chevauchement 5 est définie par le recouvrement des volets 1, 2, lorsque le dispositif de serrage est fermé autour d'un pied. Elle s'étend de l'extrémité supérieure 2a du volet 2 en direction de la semelle 100. De plus, les ancrages 11, situés sur le volet inférieur 1, sont positionnés en dehors de la projection de la zone de chevauchement 5 sur le volet 1. Ainsi, quelle que soit la position du dispositif de serrage durant les différentes phases d'utilisation, notamment ouverte ou fermée, l'extrémité 2a du volet supérieur 2 ne vient pas recouvrir les ancrages 11 qui sont situés sur le volet inférieur 1.The clamping device also comprises a clamping means 4 which comprises at at least one anchor 11, 12, positioned on each of the flaps 1, 2. This clamping means allows to bring the two flaps 1, 2 together, in order to enclose the foot against the sole 100. The means of tightening 4 presently illustrated is of the lace tightening type comprising a link 30 which connects alternately anchors 11, 12, which are here lace references which are fixed to the flaps 1, 2 and which, by allowing the link 30 to slide, transmitting the tightening forces to said shutters (1, 2). The clamping means 4 also comprises a locking means, not shown in the figure, which can be a knot or in particular a blocker mounted on the link 30, making it possible to maintain the tension in the link 30. The anchors 12, 12a, located at the level of the upper flap 2, are positioned in the overlap zone 5. This zone of overlap 5 is defined by the overlap of the flaps 1, 2, when the tightening is closed around a foot. It extends from the upper end 2a of the flap 2 in direction of the sole 100. In addition, the anchors 11, located on the lower flap 1, are positioned outside the projection of the overlapping zone 5 on the flap 1. Thus, whatever the position of the clamping device during the different phases of use, in particular open or closed, the end 2a of the upper flap 2 does not cover the anchors 11 which are located on the lower flap 1.

Afin de bien maintenir le pied dans l'article chaussant CH, les volets 1, 2, seront avantageusement disposés au niveau du cou de pied de façon à enserrer cette partie du pied. De même, il est préférable que les volets 1, 2, ne s'étendent pas au niveau de l'articulation métatarsophalangienne et au niveau de la malléole de l'articulation de la cheville afin de ne pas entraver la flexion desdites articulations. Une solution parmi d'autres consiste à positionner les volets 1, 2, entre les deux zones du pied précédemment citées. Le respect de cette disposition constructive permet de garantir un confort maximum du pied en respectant la biomécanique du pied et de l'articulation de la cheville.In order to properly hold the foot in the CH footwear, flaps 1, 2, will be advantageously arranged at the instep so as to enclose this part of the foot. Similarly, it is preferable that the flaps 1, 2, do not extend at the level of the joint metatarsophalangeal and at the malleolus of the ankle joint so as not to not hinder the flexion of said joints. One solution among others is to position the flaps 1, 2, between the two areas of the foot previously mentioned. Respect for this constructive arrangement guarantees maximum comfort for the foot while respecting the biomechanics of the foot and ankle joint.

Bien entendu, la disposition des volets au niveau de la base de la jambe, au-dessus des malléoles de l'articulation de la cheville, est conforme à l'invention. Dans ce cas, les deux volets se rejoignent également à l'arrière de la jambe et sont solidaires-entre eux notamment au niveau du muscle du mollet ou au niveau de l'arrière de la cheville.Of course, the arrangement of the flaps at the base of the leg, above the malleoli of the ankle joint, is in accordance with the invention. In this case, both flaps also meet at the back of the leg and are integral with each other, particularly at level of the calf muscle or at the back of the ankle.

Sur la figure 1a, qui représente une coupe transversale du premier mode de réalisation, le volet supérieur 2 se distingue du volet inférieur 1 notamment par le fait que le volet supérieur 2 présente une plus grande souplesse par rapport au volet inférieur 1. Cette dissymétrie de souplesse permet entre autre de prédéterminer un volet de référence, en l'occurrence le volet le plus rigide qui est ici le volet inférieur 1, contre lequel le pied va être immobilisé par le présent dispositif de serrage. En effet, sous l'action du moyen de serrage 4 agissant sur les deux volets 1, 2, par l'intermédiaire des ancrages 11, 12, le volet supérieur 2 étant le plus souple, va plus se déformer que le volet inférieur 1. Le volet supérieur 2 va donc venir se plaquer contre le pied et éventuellement déplacer latéralement le pied vers le volet inférieur 1 jusqu'à ce que le pied vienne prendre appui contre le volet inférieur 1.In FIG. 1a, which represents a cross section of the first embodiment, the upper flap 2 is distinguished from lower flap 1 in particular by the fact that the upper flap 2 has greater flexibility compared to the lower flap 1. This asymmetry of flexibility allows, among other things, to predetermine a reference component, in this case the component more rigid which is here the lower flap 1, against which the foot will be immobilized by the this clamping device. Indeed, under the action of the clamping means 4 acting on the two flaps 1, 2, via the anchors 11, 12, the upper flap 2 being the most flexible, will deform more than the lower flap 1. The upper flap 2 will therefore come press against the foot and optionally move the foot laterally towards the lower flap 1 until the foot comes to rest against the lower flap 1.

De plus, la rigidité du volet inférieur 1 permet également de mieux répartir sur le pied la pression engendrée par le dispositif de serrage 4. En effet, le moyen de serrage 4 engendre de façon connue une force primaire F1 qui tend à rapprocher les deux volets 1, 2, et à stabiliser latéralement le pied. Mais cette force F4 s'accompagne invariablement d'une force secondaire F2 qui est perpendiculaire à la force primaire F1 et qui tend à plaquer le pied P sur la semelle (100, 100b). Sur la coupe illustrée à la figure 1a, la force primaire F1 est sensiblement horizontale et orientée transversalement à l'article chaussant CH, alors que la force secondaire F2 est sensiblement verticale et orientée vers le bas. De plus, le moyen de serrage 4, au niveau du volet supérieur 2, étant localisé sur la zone de chevauchement 5, lesdites forces (F1, F2) s'appliquent directement sur le volet inférieur 1. Ainsi, la rigidité du volet inférieur 1 permet de contrôler la flexion du volet 1, et donc de limiter la déformation vers le bas qui est induite par la force secondaire F2. Le respect de cette disposition constructive permet d'obtenir un maintien latéral puissant du pied P contre le volet inférieur 1 tout en n'engendrant pas de surpression inconfortable sur le dessus du pied. En effet, on pourra avantageusement définir la rigidité du volet inférieur 1, de façon à ce que celui-ci, sous l'action du système de serrage 4, laisse un espace vide V sur le dessus du pied ou tout au moins mieux sensiblement effleurer le dessus du pied P sans exercer de surpression.In addition, the rigidity of the lower flap 1 also allows better distribution on the foot of the pressure generated by the clamping device 4. Indeed, the clamping means 4 generates known manner a primary force F1 which tends to bring the two flaps 1, 2 together, and to stabilize laterally the foot. But this force F4 is invariably accompanied by a secondary force F2 which is perpendicular to the primary force F1 and which tends to press the foot P on the sole (100, 100b). In the section illustrated in FIG. 1a, the primary force F1 is substantially horizontal and oriented transversely to the footwear CH, while the secondary force F2 is substantially vertical and oriented downwards. In addition, the clamping means 4, at the level of the upper flap 2, being located on the overlapping zone 5, said forces (F1, F2) apply directly to the lower flap 1. Thus, the rigidity of the lower flap 1 allows to control the bending of the flap 1, and therefore to limit the downward deformation which is induced by the secondary force F2. Compliance with this constructive provision makes it possible to obtain a powerful lateral support of the foot P against the lower flap 1 while not generating uncomfortable overpressure on the top of the foot. Indeed, we can advantageously define the rigidity of the lower flap 1, so that the latter, under the action of the clamping system 4, leaves an empty space V on the top of the foot or at least better substantially touch the above the foot P without exerting overpressure.

Dans le mode de réalisation préféré et illustré à la figure 1, la souplesse du volet supérieur 2 est obtenue par des évidements 24a, 24b, sur le volet supérieur 2 qui permettent d'assouplir et d'aérer ledit volet 2. Le volet supérieur 2 peut avantageusement comprendre au moins un évidement 24b qui débouche sur la semelle 100, et qui délimite une branche avant 25 dans le volet 2. La branche 25 est fixée sur la semelle 100 au niveau de l'articulation métatarsophalangienne afin d'apporter un bon maintien latéral du pied. Le volet supérieur 2 peut également comprendre au moins un évidement 24a qui reste englobé dans le volet 2. Cet évidement 24a possède avantageusement une forme allongée dont la grande dimension est orientée sensiblement selon la direction curviligne D1, D2, perpendiculaire à l'arête supérieure du pied, et reliant au niveau du cou de pied l'arête supérieure du pied à la semelle 100. De même, l'évidement 24a sera avantageusement positionné entre deux directions curvilignes D1, D2, qui passent par deux ancrages constitutifs 12, 12a, situés sur le volet supérieur 2. Ainsi, la force de maintien exercée par le lien 30 sur les ancrages 12, 12a, est bien transmise directement à la semelle 100, sans que l'évidement 24a n'altère la puissance du dispositif de serrage.In the preferred embodiment and illustrated in Figure 1, the flexibility of the upper flap 2 is obtained by recesses 24a, 24b, on the upper flap 2 which make it possible to soften and ventilate said flap 2. The upper flap 2 can advantageously comprise at least one recess 24b which opens onto the sole 100, and which delimits a front branch 25 in the flap 2. The branch 25 is fixed to the sole 100 at the joint metatarsophalangeal to provide good lateral support of the foot. The upper pane 2 may also include at least one recess 24a which remains included in shutter 2. This recess 24a advantageously has an elongated shape whose large dimension is oriented substantially in the curvilinear direction D1, D2, perpendicular to the upper edge of the foot, and connecting at the instep the upper edge of the foot to the sole 100. even, the recess 24a will advantageously be positioned between two curvilinear directions D1, D2, which pass through two constituent anchors 12, 12a, located on the upper flap 2. Thus, the holding force exerted by the link 30 on the anchors 12, 12a, is well transmitted directly to the sole 100, without the recess 24a altering the power of the Tightening.

La présence des évidements 24a, 24b, dans le volet supérieur 2 permet également d'assouplir le volet 2 et donc d'utiliser le même matériau pour le volet supérieur 2 et le volet inférieur 1. Bien entendu, ces évidements 24a, 24b, peuvent être combinés à d'autres mesures décrites ultérieurement, permettant d'assouplir le volet supérieur 2 comme notamment l'utilisation d'un matériau plus souple ou plus fin pour le volet supérieur 2. Toutes combinaisons des évidements 24a, 24b, avec d'autres moyens restent conformes à l'invention tant que le volet supérieur 2 présente une plus grande souplesse que le volet inférieur 1.The presence of the recesses 24a, 24b in the upper flap 2 also allows soften the shutter 2 and therefore use the same material for the upper shutter 2 and the shutter lower 1. Of course, these recesses 24a, 24b, can be combined with other measures described later, making it possible to soften the upper flap 2 as in particular the use of a softer or thinner material for the upper flap 2. All combinations of the recesses 24a, 24b, with other means remain in accordance with the invention as long as the upper flap 2 has greater flexibility than the lower flap 1.

Il peut être également avantageux de doter l'article chaussant CH d'un élément de confort, au niveau de l'arête 1a du volet inférieur 1, qui se situe au niveau de l'extrémité de la zone de chevauchement 5. Cet élément de confort peut être une doublure interne positionnée ponctuelle au niveau de l'arête 1a du volet 1, ou bien notamment une chaussette interne positionnée sous les volets 1, 2, et reliée de part et d'autre auxdits volets 1, 2, ou à la semelle 100. Cet élément de confort non illustré peut être réalisé notamment en néoprène ou tissu élastique.It may also be advantageous to provide the footwear CH with an element of comfort, at the edge 1a of the lower flap 1, which is located at the end of the zone of overlap 5. This element of comfort can be an internal lining positioned punctual at the edge 1a of the flap 1, or in particular an internal sock positioned under flaps 1, 2, and connected on both sides to said flaps 1, 2, or to the sole This element of comfort, not illustrated, can be made in particular of neoprene or fabric. elastic.

Sur la figure 2, l'article chaussant CH représenté est une chaussure de sport à tige O de hauteur moyenne utilisée notamment pour la pratique de la marche à pied. L'article chaussant CH comprend une semelle 100 surmontée d'une tige O qui est elle-même surmontée par les volets 1, 2, du présent dispositif de serrage. Comme le volet inférieur 1 et le volet supérieur 2 sont positionnés à l'extérieur de la tige O, ils constituent, avec le moyen de serrage 4, un dispositif de serrage externe à l'article chaussant CH. Cependant, les remarques, relatives au dispositif de serrage décrit dans le mode de réalisation précédant, restent applicables au présent mode de réalisation.In FIG. 2, the footwear CH represented is a sports shoe with an O average height used in particular for the practice of walking. Footwear CH includes a sole 100 surmounted by a rod O which is itself surmounted by the flaps 1, 2, of this clamping device. Like lower pane 1 and upper pane 2 are positioned outside the rod O, they constitute, with the clamping means 4, a clamping device external to the footwear CH. However, the remarks relating to the clamping device described in the previous embodiment, remain applicable to present embodiment.

Pour ce genre d'article chaussant CH, l'aération n'étant pas primordiale puisque la tige O est positionnée entre les volets 1, 2, et le pied P, la relative souplesse du volet supérieur 2, par rapport au volet inférieur 1, est obtenue, par exemple, par l'emploi d'un matériau moins épais pour le volet supérieur 2 que le volet inférieur 1. En effet, à matériau identique, plus l'épaisseur du volet 2 est faible, plus le volet supérieur 2 sera souple. Les avantages obtenus par la souplesse du volet supérieur 2 par rapport au volet inférieur 1 restent identiques à ceux décrits dans le mode de réalisation précédent.For this type of footwear CH, ventilation is not essential since the upper O is positioned between the flaps 1, 2, and the foot P, the relative flexibility of the upper flap 2, by compared to the lower flap 1, is obtained, for example, by the use of a thinner material for the upper flap 2 than the lower flap 1. Indeed, with identical material, more the thickness of the flap 2 is low, the more the upper flap 2 will be flexible. The advantages obtained by the flexibility of the upper flap 2 relative to the lower flap 1 remain identical to those described in the previous embodiment.

Dans le mode de réalisation préféré et illustré à la figure 2, le moyen de serrage 4, qui est positionné sur les volets 1, 2, s'étend également sur la tige O au niveau de l'articulation de la cheville. En effet, la tige O comprend au moins un renvoi de lacet 43 disposé sensiblement symétriquement sur chacune de ses deux faces latérales et médiales Oa, Ob, et disposé plus haut et plus en arrière par rapport aux renvois de lacet 11, 12, disposés sur les volets 1, 2. Ainsi, le lacet 30 passe dans les ancrages 11, 12, positionnés sur les volets 1, 2, en maintenant le pied au niveau du cou de pied, puis passe dans les renvois 43 avant d'être bloqué par un moyen de blocage 31 tel qu'un noeud. De même, les volets 1, 2, sont fixés à la semelle 100 de façon connue entre la tige O et la semelle 100, éventuellement au niveau de la semelle d'amortissement 100b. Ainsi, le serrage est plus efficace grâce à la totale indépendance entre la déformation de la tige O par rapport au rapprochement des volets 1, 2, l'un par rapport à l'autre.In the preferred embodiment and illustrated in Figure 2, the clamping means 4, which is positioned on the flaps 1, 2, also extends on the rod O at the articulation of the ankle. Indeed, the rod O comprises at least one lace reference 43 disposed substantially symmetrically on each of its two lateral and medial faces Oa, Ob, and arranged more high and further back with respect to the yaw references 11, 12, arranged on the flaps 1, 2. Thus, the lace 30 passes through the anchors 11, 12, positioned on the flaps 1, 2, maintaining the foot at the instep, then passes through the references 43 before being blocked by a blocking means 31 such as a knot. Similarly, the flaps 1, 2, are fixed to the sole 100 of known way between the rod O and the sole 100, possibly at the level of the sole depreciation 100b. Thus, tightening is more effective thanks to the total independence between the deformation of the rod O relative to the approximation of the flaps 1, 2, one relative to the other.

Etant donné la dissymétrie du pied, c'est le volet disposé sur la partie latérale, c'est-à-dire du côté externe, qui est le plus sollicité en déformation afin d'épouser le pied au niveau du cou de pied. Or, les volets 1, 2, étant fixés sur la semelle 100, 100b, ils ne peuvent pivoter à la manière d'une charnière, mais uniquement se déformer en flexion. C'est pourquoi le volet inférieur 1, au caractère rigide, sera avantageusement disposé du côté médial, c'est-à-dire inter, de l'article chaussant CH et le volet supérieur 2, au caractère souple, sera disposé du côté latéral, c'est-à-dire externe, de l'article chaussant CH.Given the asymmetry of the foot, it is the flap placed on the lateral part, that is to say on the external side, which is most stressed in deformation in order to fit the foot at the level of the neck of foot. However, the flaps 1, 2, being fixed on the sole 100, 100b, they cannot pivot at the like a hinge, but only deform in bending. This is why the component lower 1, rigid, will advantageously be arranged on the medial side, that is to say inter, of the footwear CH and the upper flap 2, flexible, will be arranged on the side lateral, that is to say external, of the footwear CH.

Bien entendu, en fonction de l'effet recherché, on peut adopter une disposition inverse avec le volet inférieur 1, plus rigide, disposé sur le côté latéral du pied comme précisé dans le document FR 2 694 167. Cependant, comme précisé dans ledit document, le volet inférieur 1 pourra être avantageusement fixé sur la tige O par des moyens de fixation, telles que des coutures, qui permettent un pivotement de type charnière dudit volet. Ces coutures pourront être placées légèrement au-dessus du haut de la semelle 100, à l'endroit où l'on observe la plus grande courbure du pied sur sa face externe, afin de s'adapter au mieux à la morphologie du pied.Of course, depending on the desired effect, we can adopt a reverse arrangement with the lower flap 1, more rigid, arranged on the lateral side of the foot as specified in the document FR 2 694 167. However, as specified in said document, the lower pane 1 may advantageously be fixed to the rod O by fixing means, such as seams, which allow a hinge-type pivoting of said flap. These seams can be placed slightly above the top of sole 100, where you can see the most great curvature of the foot on its external face, in order to best adapt to the morphology of the foot.

La tige O se trouve renforcée dans sa structure mécanique par les volets 1, 2, qui sont externes. Cette amélioration des caractéristiques mécaniques de l'article chaussant CH permet à ce dernier de mieux résister aux déformations en torsion. Cette amélioration est renforcée par la géométrie chevauchante des volets 1, 2, qui créent avec la semelle 100 une structure quasiment fermée et très résistante aux efforts de torsion.The rod O is reinforced in its mechanical structure by the flaps 1, 2, which are External. This improvement in the mechanical characteristics of the footwear CH allows to the latter to better resist torsional deformations. This improvement is reinforced by the overlapping geometry of the flaps 1, 2, which create with the sole 100 a structure almost closed and very resistant to torsional forces.

La figure 3 représente une variante de l'article chaussant CH précédemment décrit, mais qui est représenté avec le dispositif de serrage ouvert et non équipé de moyen de serrage afin de bien illustrer les éléments apportés par cette variante. Le volet supérieur 2 est présentement illustré en position retournée.FIG. 3 represents a variant of the footwear item CH previously described, but which is shown with the clamping device open and not equipped with clamping means so to illustrate the elements provided by this variant. The upper flap 2 is currently illustrated in the inverted position.

Dans cette variante, la souplesse du volet supérieur 2 est obtenue par l'emploi, pour le volet supérieur 2, d'un ou de plusieurs matériaux qui sont plus souples que ceux utilisés pour le volet inférieur 1. A titre d'exemples non limitatifs, le volet inférieur 1 pourra être réalisé en matière plastique notamment thermoformée de type polypropylène, ABS, polyéthylène d'une épaisseur de 0,5 à 2,5 mm d'épaisseur, alors que le volet supérieur 2 sera réalisé en cuir ou en tissu. De même, si le volet inférieur 1 est réalisé en cuir, alors le volet supérieur pourra être réalisé en tissu.In this variant, the flexibility of the upper flap 2 is obtained by the use, for the flap upper 2, of one or more materials which are more flexible than those used for the lower flap 1. By way of nonlimiting examples, the lower flap 1 may be produced by plastic material in particular thermoformed polypropylene, ABS, polyethylene type 0.5 to 2.5 mm thick, while the upper flap 2 will be made of leather or tissue. Similarly, if the lower flap 1 is made of leather, then the upper flap may be made of fabric.

Le volet inférieur 1 pourra avantageusement comprendre des aménagements spécifiques situés sensiblement sur l'axe longitudinal D du pied, afin d'entraver le moins possible la souplesse en flexion avant du pied et de l'articulation de la cheville. Le volet inférieur 1 pourra donc comprendre une échancrure 15, située sur sa partie supérieure et sensiblement selon l'axe longitudinal D du pied, qui permet, durant la flexion de la cheville, de réserver un espace pour l'os du tibia. De même, l'article chaussant CH pourra être avantageusement muni d'une languette 32 qui soit rembourrée et confortable afin d'améliorer le confort au niveau de l'échancrure 15. Le volet inférieur 1 pourra également comprendre au moins un évidement 14 disposé sensiblement perpendiculaire à l'axe longitudinal D du pied, notamment sur le dessus du pied. Cet évidement 14, qui permet d'assouplir en flexion vers l'avant le volet inférieur 1, pourra être avantageusement positionné entre deux ancrages 11, 12, du volet inférieur 1. Le respect de cette disposition constructive permet de positionner le croisement du lacet sensiblement sur l'évidement 14 ce qui évite au lacet de rigidifier en flexion le volet inférieur 1.The lower flap 1 may advantageously include specific arrangements located substantially on the longitudinal axis D of the foot, in order to hinder as little as possible the flexibility in front flexion of the foot and ankle joint. The lower flap 1 may therefore include a notch 15, located on its upper part and substantially along the axis longitudinal D of the foot, which allows, during flexion of the ankle, to reserve a space for the tibia bone. Similarly, the footwear CH may advantageously be provided with a tongue 32 which is padded and comfortable in order to improve comfort in terms of the notch 15. The lower flap 1 may also include at least one recess 14 arranged substantially perpendicular to the longitudinal axis D of the foot, in particular on the top of the foot. This recess 14, which makes it possible to soften in forward bending the lower flap 1, could advantageously be positioned between two anchors 11, 12, of the lower flap 1. The compliance with this constructive arrangement makes it possible to position the lace crossover substantially on the recess 14 which prevents the lace from stiffening in flexion the lower flap 1.

La figure 4 illustre un article chaussant CH doté d'une tige O d'une hauteur assez importante couvrant l'articulation de la cheville et le bas de jambe. Cet article chaussant CH se destine plus particulièrement à la pratique de la randonnée en montagne, du parapente, de la marche sur glacier, mais peut également équiper un châssis destiné à la pratique du patin en ligne et du patin à glace.FIG. 4 illustrates an article of footwear CH provided with a rod O of a fairly high important covering the ankle joint and lower leg. This CH footwear is intended more particularly for the practice of mountain hiking, paragliding, walks on a glacier, but can also equip a chassis intended for skating in line and ice skating.

L'article chaussant CH comprend une semelle 100 comprenant une semelle d'usure 100a surmontée d'une bande de protection 100c qui remonte verticalement le long de la tige O afin de la protéger des chocs, notamment sur les pierres, durant la marche. Le volet inférieur 1 est positionné du côté médial de l'article chaussant CH. Les volets inférieurs 1 et supérieurs 2 peuvent être fixés à la semelle 100 comme décrit précédemment, ou bien fixés à la tige O sur l'intérieur de la bande de protection 100c, par des moyens de fixation 28b telles que des coutures. Afin de parfaire la protection contre les pierres, l'article chaussant CH est équipé d'un contrefort de talon 20 qui entoure préférentiellement la cheville et le talon, et qui s'étend vers le haut le long de la tige O au-dessus de la bande de protection 100c. Ce contrefort de talon 20, réalisé en matière rigide ou semi-rigide notamment de type plastique, est fixé à la tige O par des moyens appropriés telles que des coutures 28 qui sont positionnées préférentiellement le long de la périphérie du contrefort de talon 20.The footwear CH comprises a sole 100 comprising a outsole 100a surmounted by a protective strip 100c which rises vertically along the rod O so protect it from impacts, especially on stones, while walking. The lower flap 1 is positioned on the medial side of the footwear CH. Lower flaps 1 and upper flaps 2 can be fixed to the sole 100 as described above, or else fixed to the upper O on inside the protective strip 100c, by fixing means 28b such as seams. In order to perfect protection against stones, the CH footwear item is equipped a heel counter 20 which preferably surrounds the ankle and the heel, and which extends upwards along the rod O above the protective strip 100c. This buttress of heel 20, made of rigid or semi-rigid material, in particular of plastic type, is fixed to the rod O by suitable means such as seams 28 which are positioned preferably along the periphery of the heel counter 20.

Sur l'article chaussant CH illustré à la figure 4, le volet inférieur 1 s'étend vers l'arrière en intégrant le contrefort de talon 20. Le volet 1 et le contrefort de talon 20 ne forme donc qu'une seule et même pièce. Le volet inférieur 1 est également fixé à la tige O par une couture 28a qui s'étend préférentiellement selon une direction sensiblement parallèle à l'arête supérieure du cou de pied et qui relie la couture 28b à la couture 28. Ainsi, le volet inférieur 1 se désolidarise de la tige O sur une largeur sensiblement constante définie par les coutures 28a, 28b. Ceci permet un serrage performant comme précédemment décrit à la figure 2.On the footwear CH illustrated in FIG. 4, the lower flap 1 extends backwards in integrating the heel counter 20. The flap 1 and the heel counter 20 therefore forms only one one and the same piece. The lower flap 1 is also fixed to the rod O by a seam 28a which preferably extends in a direction substantially parallel to the upper edge of the instep and which connects the seam 28b to the seam 28. Thus, the lower flap 1 is separates from the rod O over a substantially constant width defined by the seams 28a, 28b. This allows efficient tightening as previously described in Figure 2.

De plus, le moyen de serrage 4 s'étend vers le haut de l'article chaussant CH, en dehors du volet inférieur 1, par un renvoi de lacet 41 disposé sensiblement au niveau de l'articulation de la cheville qui permet de maintenir fermement le pied dans l'article chaussant CH par un serrage du périmètre talon. De plus, le volet inférieur 1 comprend un évidement 29 complémentaire du renvoi de lacet 41 qui dégage avantageusement la tige O au niveau de la zone de l'articulation de la cheville.In addition, the tightening means 4 extends upwards of the footwear CH, outside the lower flap 1, by a yaw return 41 disposed substantially at the articulation of the ankle which allows the foot to be held firmly in the footwear CH by a tightening the heel perimeter. In addition, the lower flap 1 includes a recess 29 complementary to the yaw reference 41 which advantageously releases the rod O at the level of the ankle joint area.

De même, le moyen de serrage 4 peut avantageusement s'étendre vers le haut en passant dans des renvois de lacet 42 qui sont positionnés sur un collier 21. Ledit collier 21 présentant un caractère rigide, est monté pivotant sur le contrefort de talon 20 par le biais d'un moyen de liaison tel qu'un rivet 22 et est destinée à rigidifier la cheville.Similarly, the clamping means 4 can advantageously extend upward passing in lace references 42 which are positioned on a collar 21. Said collar 21 having a rigid character, is pivotally mounted on the heel counter 20 by means of a connection such as a rivet 22 and is intended to stiffen the dowel.

La figure 5 illustre un article chaussant CH destiné à la pratique du ski de fond, et notamment mais de façon non limitative à la pratique de la technique du pas alternatif. L'article chaussant CH est représenté en vue éclatée en perspective du côté externe dans laquelle le lien du moyen de serrage 4 n'est pas représenté par soucis de clarté.FIG. 5 illustrates an article of footwear CH intended for the practice of cross-country skiing, and in particular but not limited to the practice of the technique of alternative steps. The footwear CH is shown in exploded perspective view of the external side in which the link of the clamping means 4 is not shown for the sake of clarity.

Dans ce mode de réalisation, l'article chaussant comprend une tige O destinée notamment à protéger le pied de la neige et du froid qui recouvre le volet inférieur 1 et le volet supérieur 2 constituant ainsi un dispositif de serrage interne à l'article chaussant CH. Pour plus de confort, le pied est positionné à l'intérieur d'une enveloppe de confort 33 et est maintenu par les volets 1 et 2 qui sont externes à l'enveloppe de confort 33, et qui sont fixés sur la semelle 100. L'enveloppe de confort 33 peut être amovible ou fixée au montage de l'article chaussant CH à la semelle 100. Le dispositif de serrage, constitué par lesdits volets 1, 2, est conforme aux détails de construction précédemment décrits. In this embodiment, the footwear comprises an upper O intended in particular for protect the foot from snow and cold covering the lower flap 1 and the upper flap 2 thus constituting a tightening device internal to the footwear CH. For more comfort, the foot is positioned inside a comfort envelope 33 and is held by the flaps 1 and 2 which are external to the comfort envelope 33, and which are fixed to the sole 100. The comfort envelope 33 can be removable or fixed to the fitting of the footwear CH to the sole 100. The tightening device, constituted by said flaps 1, 2, conforms to construction details previously described.

L'article chaussant CH est également muni d'un contrefort de talon 20 qui entoure le talon et qui est fixé à la semelle 100 tout en étant positionné à l'extérieur de l'article chaussant CH. Le contrefort de talon 20 comprend des moyens de fixation appropriés, tels que des coutures 34, qui permettent de fixer le contrefort talon 20 sur la chaussette de confort 33 au niveau de la zone de piqûre 36a, et qui permettent de fixer le contrefort talon 20 sur le volet supérieur 2 au niveau de la zone de piqûre 36b. La couture 34 maintient également la tige O, au niveau de la zone de piqûre 36c, intercalée entre le volet supérieur 2, au niveau de la zone de piqûre 36b et le contrefort de talon 20. Ce maintien intercalé est réalisé au niveau de la zone de piqûre 36b du volet supérieur 2.The footwear CH is also provided with a heel counter 20 which surrounds the heel and which is fixed to the sole 100 while being positioned outside the footwear CH. The heel counter 20 includes suitable fastening means, such as seams 34, which allow the heel counter 20 to be fixed on the comfort sock 33 at the stitching area 36a, and which make it possible to fix the heel counter 20 on the upper flap 2 at the stitching area 36b. The seam 34 also holds the rod O, at the stitching area 36c, sandwiched between the upper flap 2, at the stitching area 36b and the heel counter 20. This interposed support is produced at the level of the stitching area 36b of the upper flap 2.

Durant la pratique du pas alternatif, l'article chaussant CH sert, d'une part, à guider latéralement le ski mais également à soulever ledit ski pendant la phase d'avancement de la jambe. Ainsi, le poids du ski est repris par le dessus du pied. Or, au niveau du cou de pied, le dessus du pied est beaucoup plus sensible sur son côté latéral, c'est-à-dire externe. C'est pourquoi le volet inférieur 1 pourra être avantageusement positionné du côté interne du pied afin de constituer une surface d'appui rigide permettant de reprendre le poids du ski, et le volet supérieur 2 qui est souple, positionné du côté latéral pour le confort du pied.During the practice of the alternative step, the footwear CH serves, on the one hand, to guide laterally the ski but also to lift said ski during the advancement phase of the leg. Thus, the weight of the ski is taken up by the top of the foot. However, at the instep, the the top of the foot is much more sensitive on its lateral, that is to say external, side. It is why the lower flap 1 could advantageously be positioned on the internal side of the foot in order to constitute a rigid bearing surface allowing the weight of the ski to be taken up, and the flap upper 2 which is flexible, positioned on the lateral side for the comfort of the foot.

La figure 6 illustre un article chaussant CH destiné à la pratique du ski de fond et notamment à la pratique de la technique du skating. Cet article chaussant CH se destine également à être fixé sur une platine ou bien à être monté articulé sur ladite platine en vue de la pratique du patin en ligne et du patin à glace. Cette variante de réalisation diffère principalement du mode de réalisation, illustré à la figure 5, par le contrefort de talon 20 et le volet inférieur 1 qui ne sont plus deux pièces distinctes, mais forment une pièce unique ici désignée par pièce de maintien 50.FIG. 6 illustrates an article of footwear CH intended for the practice of cross-country skiing and especially the practice of the skating technique. This CH footwear is intended also to be fixed on a plate or else to be articulated on said plate in order to inline skating and ice skating. This variant embodiment differs mainly of the embodiment, illustrated in Figure 5, by the heel counter 20 and the lower pane 1 which are no longer two separate parts, but form a single part here designated by holding piece 50.

En effet, le volet inférieur 1 s'étend vers l'arrière de façon continue en intégrant le contrefort talon 20. Cependant, le volet inférieur 1 est positionné sous la tige O, pour former avec le volet supérieur 2 un dispositif de serrage interne à l'article chaussant CH, et le contrefort talon 20 reste externe à l'article chaussant CH. Pour obtenir ce résultat, la tige O comprend des moyens de fixation appropriés telle qu'une couture 34a qui fixe la tige O à l'extérieur du volet inférieur 1, au niveau d'une zone de piqûre 36d. De même, le contrefort de talon 20 comprend des moyens de fixation appropriés telles que des coutures 34 qui fixent le contrefort de talon 20 à l'extérieur de l'article chaussant CH, au niveau d'une zone de piqûre 36a. Le contrefort de talon 20 est ici fixe, par la couture 34, à la chaussette de confort 33. Une fois l'article chaussant CH assemblé, les coutures 34 et 34a pourront être avantageusement alignées.Indeed, the lower flap 1 extends rearward continuously by integrating the heel buttress 20. However, the lower flap 1 is positioned under the rod O, to form with the upper flap 2 an internal tightening device in the footwear CH, and the heel counter 20 remains external to the footwear CH. To obtain this result, the rod O comprises suitable fixing means such as a seam 34a which fixes the rod O to the exterior of the lower flap 1, at a stitching area 36d. Likewise, the buttress of heel 20 includes suitable fastening means such as seams 34 which fix the heel counter 20 on the outside of the footwear CH, at a stitching area 36a. The heel counter 20 is here fixed, by the seam 34, to the comfort sock 33. A once the CH footwear has been assembled, the seams 34 and 34a may advantageously be aligned.

De plus, la pièce de maintien 50 présente une variation d'épaisseur, à proximité de la zone de piqûre 36d qui permet de délimiter le contrefort talon 20 dont l'épaisseur est plus importante que l'épaisseur du volet inférieur 1. L'épaisseur du contrefort talon 20 sera sensiblement égale à l'épaisseur du volet 1 au niveau de la zone de piqûre 36d additionné de l'épaisseur de la tige O. Ainsi, la tige O, au niveau de la zone de piqûre 36d, vient affleurer le contrefort talon 20 et donc l'article chaussant CH ne présente pas à ce niveau de points d'accroche notamment entre les deux chaussures qui pourraient être dangereux pour l'utilisateur durant la pratique sportive. La pièce de maintien 50 comprendra avantageusement un retour 70 qui s'étend sensiblement horizontalement depuis l'arête inférieure 71 vers l'intérieur de l'article chaussant CH. Ce retour facilite la fixation par des moyens connus tels que des coutures ou de la colle, de la pièce de maintien 50 sur la semelle 100.In addition, the retaining piece 50 has a thickness variation, close to the area stitching 36d which makes it possible to delimit the heel counter 20 whose thickness is more important than the thickness of the lower flap 1. The thickness of the heel counter 20 will be substantially equal to the thickness of the flap 1 at the stitching area 36d supplemented with the thickness of the rod O. Thus, the rod O, at the level of the stitching area 36d, comes flush with the heel counter 20 and therefore the footwear CH does not have points at this level grip between the two shoes which could be dangerous for the user during sports. The holding piece 50 will advantageously include a return 70 which extends substantially horizontally from the lower edge 71 towards inside the footwear CH. This return facilitates fixing by known means such as as seams or glue, of the retaining piece 50 on the sole 100.

La figure 7 illustre une coupe d'un article chaussant CH au niveau du volet inférieur 1 du présent dispositif de serrage. Dans ce mode de réalisation présentement illustré, le volet supérieur 2 fait partie intégrante de la tige O de l'article chaussant CH, et le volet inférieur 1 est positionné à l'intérieur de la tige O. Le présent dispositif réalise donc un demi-serrage interne, à savoir un serrage interne avec un seul volet. L'article chaussant CH comprend une chaussette de confort 33 destinée à être en contact avec le pied, qui est surmontée du volet inférieur 1. Le volet inférieur 1 est recouvert par la tige O qui comprend un moyen de fermeture approprié 35, notamment de type fermeture à glissière. La tige O, le volet inférieur 1 et éventuellement la chaussette de confort 33 sont fixés à la semelle 100 par des procédés connus tel que l'utilisation d'une semelle première de montage 100e. Par exemple, les éléments O, 1, 33, sont fixés sur la face inférieure de la semelle première de montage 100e, puis le tout est fixé à la semelle 100.FIG. 7 illustrates a section of an article of footwear CH at the level of the lower flap 1 of the this clamping device. In this embodiment currently illustrated, the flap upper 2 is an integral part of the upper O of the footwear CH, and the lower flap 1 is positioned inside the rod O. The present device therefore achieves a half-tightening internal, i.e. internal tightening with a single flap. The footwear CH includes a comfort sock 33 intended to be in contact with the foot, which is surmounted by the flap lower 1. The lower flap 1 is covered by the rod O which comprises a means of appropriate closure 35, in particular of the zipper type. Rod O, lower flap 1 and possibly the comfort sock 33 are fixed to the sole 100 by methods known such as the use of a first mounting sole 100e. For example, elements O, 1, 33, are fixed on the underside of the first mounting sole 100e, then the whole is fixed to the sole 100.

Le moyen de serrage 4, qui est représenté sans le lien pour plus de clarté, comprend au moins un ancrage 11, qui est fixé sur le dessus du volet inférieur 1, et au moins un ancrage 12 qui est fixé sur la face interne 3 du volet supérieur 2, ladite face interne 3 étant en regard du volet inférieur 1. De même, l'ancrage 12 est disposé à l'aplomb du volet inférieur 1 afin de ne pas gêner durant la phase de serrage du moyen de serrage 4. De plus, la rigidité du volet inférieur 1 permet de répartir le point dur que représente l'ancrage 12 qui est plaqué contre ledit volet 1 par la tige O et son moyen de fermeture 35. Cependant, l'ancrage 12 pourra être avantageusement en sangle afin d'être de moindre épaisseur et pourra être avantageusement fixé à la tige O par des coutures 51.The clamping means 4, which is shown without the link for clarity, comprises at at least one anchor 11, which is fixed on top of the lower flap 1, and at least one anchor 12 which is fixed on the internal face 3 of the upper flap 2, said internal face 3 being opposite the lower flap 1. Likewise, the anchor 12 is positioned directly above the lower flap 1 so as not to not interfere during the tightening phase of the tightening means 4. In addition, the rigidity of the flap lower 1 distributes the hard point represented by the anchor 12 which is pressed against said flap 1 by the rod O and its closure means 35. However, the anchor 12 may be advantageously in strap in order to be less thick and may advantageously be fixed to the rod O by seams 51.

La figure 8 illustre une coupe d'une variante du mode de réalisation précédemment décrit. Le volet supérieur 2 fait toujours partie intégrante de la tige O de l'article chaussant CH, mais le volet inférieur 1 est extérieur à la tige O de façon à constituer un demi-serrage externe, à savoir un serrage externe avec un seul volet. La tige O et le volet inférieur 1 sont fixés de façon connue et précédemment décrite à la semelle 100. Cependant, l'ancrage 12 du moyen de serrage 73, dont le lien n'est pas représenté, est positionné sur le dessus du volet supérieur 2. La portion de tige O, qui est positionnée sous le volet 1, comprend un retour 52 qui permet de protéger le pied du contact de l'arête la du volet 1, et qui relie à l'autre portion 74 de tige O comprenant le volet supérieur 2. La jonction entre le retour 52 et le volet 2, positionné à côté de l'ancrage 12, peut être réalisé notamment par une forte courbure de la tige O qui est maintenue par le moyen de fixation 51 de l'ancrage 12 qui peut avantageusement traverser les deux épaisseurs de tige O. Le respect de cette disposition constructive permet d'assurer une bonne étanchéité de la tige O face aux agressions extérieures telle que la pluie ou la neige.FIG. 8 illustrates a section of a variant of the embodiment previously described. The upper flap 2 is always an integral part of the upper O of the footwear CH, but the lower flap 1 is external to the rod O so as to constitute an external half-clamp, at know an external tightening with a single flap. The rod O and the lower flap 1 are fixed known manner and previously described with the sole 100. However, the anchoring 12 of the means of clamping 73, the link of which is not shown, is positioned on top of the upper flap 2. The rod portion O, which is positioned under the flap 1, includes a return 52 which allows protect the foot from contact with the edge of the shutter 1, and which connects to the other portion 74 of rod O comprising the upper flap 2. The junction between the return 52 and the flap 2, positioned next to it of the anchor 12, can be achieved in particular by a strong curvature of the rod O which is held by the fixing means 51 of the anchor 12 which can advantageously pass through the two thicknesses of rod O. Compliance with this constructive arrangement ensures a good tightness of the rod O in the face of external aggressions such as rain or snow.

Sur la figure 9, l'article chaussant CH représenté est une chaussure de vélo destinée notamment, et de façon non limitative, à la pratique du vélo tout-terrain. La présente chaussure CH coopèrera avantageusement avec une pédale du vélo afin d'optimiser la puissance de pédalage en tirant la pédale vers le haut. Lorsque la pédale est accrochée à la semelle 100, l'effort de traction du pied se répercute sur le dessus du pied, notamment au niveau du cou de pied. Le caractère rigide du volet inférieur 1, qui est positionné notamment sur le dessus du pied, permet également de limiter les déformations vers le haut de la tige O de l'article chaussant CH. Ainsi, le volet inférieur 1 joue également un rôle de répartition des efforts de traction sur le dessus du pied.In FIG. 9, the footwear CH represented is a bicycle shoe intended in particular, and not limited to, the practice of mountain biking. The current CH shoe will advantageously cooperate with a pedal of the bicycle in order to optimize the pedaling power by pulling the pedal up. When the pedal is hooked to the sole 100, the tensile force of the foot is reflected on the top of the foot, especially at instep level. The rigid nature of the lower flap 1, which is positioned in particular on the top of the foot, also helps limit upward deformation of the upper O the footwear CH. Thus, the lower flap 1 also plays a role in distributing the tensile forces on the top of the foot.

Dans le mode de réalisation préféré et illustré à la figure 9, le volet inférieur 1 est positionné sur le cou de pied et du côté médial du pied. Le volet supérieur 2 est rapproché du volet inférieur 1 par un moyen de serrage 4 qui comprend préférentiellement une sangle 60 dont la largeur est plaquée contre le volet inférieur 1. La sangle 60 est fixée à ses extrémités soit au volet inférieur 1, ou bien à la tige O, ou encore à la semelle 100 en deux points distincts du côté médial de l'article chaussant CH, et passe dans un renvoi 61 qui prend appui sur le volet supérieur 2 au niveau de la zone de chevauchement 5. Le renvoi 61 est relié à un système de fermeture et/ou de réglage telle qu'une boucle 62 qui est fixée au volet supérieur 2.In the preferred embodiment and illustrated in FIG. 9, the lower flap 1 is positioned on the instep and on the medial side of the foot. The upper flap 2 is brought closer to the lower flap 1 by a tightening means 4 which preferably comprises a strap 60 the width of which is pressed against the lower flap 1. The strap 60 is fixed at its ends either to the lower flap 1, or to the rod O, or else to the sole 100 at two points distinct from the medial side of the footwear CH, and passes into a reference 61 which is supported on the upper flap 2 at the level of the overlapping zone 5. The reference 61 is connected to a closure and / or adjustment system such as a loop 62 which is fixed to the upper flap 2.

Bien entendu, le moyen de serrage 4 peut être différent et notamment, mais de façon non limitative, comprendre un retour qui soit directement fixé au volet supérieur 2. La fonction de réglage et de fermeture sera alors reportée sur la sangle 60 par exemple dans la zone d'accrochage, du côté médial de l'article chaussant, d'une des extrémités de la sangle 60.Of course, the clamping means 4 can be different and in particular, but not limitative, include a return which is directly attached to the upper flap 2. The function of adjustment and closing will then be carried over to the strap 60 for example in the zone of attachment, on the medial side of the footwear, of one of the ends of the strap 60.

La figure 9 illustre également une variante de construction du volet supérieur 2. Le volet supérieur 2 s'étend vers l'arrière en intégrant un contrefort de talon 20 pour former une seule pièce de maintien 75. Le contrefort talon 20 est fixé à l'extérieur de la tige O par des moyens appropriés telle qu'une couture 76 qui s'étend sensiblement le long d'une portion de la périphérie du contrefort talon 20 et qui se prolonge par une couture 76a séparant la portion du volet supérieur 2 de la portion du contrefort de talon 20. Ainsi, le volet supérieur 2 n'est fixé à la tige O que par sa base et par la couture 76a afin d'assurer un meilleur serrage de l'article chaussant. De plus, si la pièce de maintien 75 est réalisée en une seule matière, par exemple en matière thermoplastique, le caractère souple du volet supérieur 2 peut être avantageusement obtenu par au moins un évidement 63. Cet évidement 63, qui peut être traversant ou bien comprendre une réduction de l'épaisseur du volet supérieur 2, est orienté selon une direction C qui est sensiblement parallèle à l'arête supérieure E du coup de pied. Cette direction correspond approximativement à l'axe de flexion privilégié du volet supérieur 2 pour envelopper le pied.Figure 9 also illustrates a construction variant of the upper flap 2. The flap upper 2 extends rearwards by integrating a heel counter 20 to form a single retaining piece 75. The heel counter 20 is fixed to the outside of the upper O by means suitable such as a seam 76 which extends substantially along a portion of the periphery of the heel counter 20 and which is extended by a seam 76a separating the portion of the upper flap 2 of the heel counter portion 20. Thus, the upper flap 2 is not fixed to the rod O only by its base and by the seam 76a in order to ensure better tightening of the article fit. In addition, if the holding piece 75 is made of a single material, for example in thermoplastic material, the flexible nature of the upper flap 2 can advantageously be obtained by at least one recess 63. This recess 63, which can be through or else include a reduction in the thickness of the upper flap 2, is oriented in a direction C which is substantially parallel to the upper edge E of the kick. This direction corresponds approximately to the preferred bending axis of the upper flap 2 for wrap the foot.

Le caractère de souplesse du volet supérieur 2 par rapport au volet inférieur 1 peut être obtenu par une plus faible largeur du volet supérieur 2 par rapport au volet inférieur 1. Ainsi, les volets 1, 2, et le contrefort talon 20 pourront être réalisés avec la même matière et éventuellement ne constituer qu'une seule et même pièce qui entoure le talon et s'étend le long de la tige O vers l'avant en recouvrant les côtés et le dessus du cou de pied.The flexibility of the upper flap 2 relative to the lower flap 1 can be obtained by a narrower width of the upper flap 2 relative to the lower flap 1. Thus, flaps 1, 2, and heel counter 20 can be made with the same material and possibly constitute only one and the same piece which surrounds the heel and extends along from the upper O towards the front, covering the sides and the top of the instep.

Le dispositif de serrage peut être également complété par un moyen de serrage complémentaire 64. Sur la figure 9, ce moyen de serrage complémentaire 64 est indépendant du présent dispositif de serrage et est de type auto-agrippant et est positionné sur le dessus du pied au niveau de l'articulation métatarsophalangienne du pied.The clamping device can also be completed by a clamping means complementary 64. In FIG. 9, this complementary tightening means 64 is independent of this clamping device and is of the hook-and-loop type and is positioned on top of the foot at the metatarsophalangeal joint of the foot.

Bien entendu, la présente invention n'est pas limitée aux modes de réalisation décrits ci-avant, qui ne sont donnés qu'à titre indicatif, mais englobe toutes les combinaisons des modes et variantes de construction, notamment relatif au volet inférieur et au volet supérieur décrits dans les différents modes de réalisation, et englobe également tous les modes de réalisation similaires ou équivalents.Of course, the present invention is not limited to the embodiments described above, which are given for information only, but encompasses all combinations of modes and construction variants, in particular relating to the lower flap and to the upper flap described in the various embodiments, and also encompasses all of the embodiments similar or equivalent.

La présente invention englobe également les chaussures équipées du présent dispositif de serrage.The present invention also encompasses shoes equipped with this device for Tightening.

Claims (10)

Dispositif de serrage, destiné à équiper un article chaussant (CH) comprenant une semelle (100), tel que ledit dispositif de serrage comprend : un volet inférieur (1), un volet supérieur (2) comprenant une zone de chevauchement (5) qui recouvre, en partie, le volet inférieur (1), un moyen de serrage (4) qui comporte au moins un ancrage (11, 12) positionné sur chacun des volets (1, 2),    caractérisé en ce que le volet supérieur (2) présente une plus grande souplesse par rapport au volet inférieur (1).Clamping device, intended to equip an article of footwear (CH) comprising a sole (100), such that said clamping device comprises: a lower flap (1), an upper flap (2) comprising an overlapping zone (5) which partially covers the lower flap (1), a clamping means (4) which comprises at least one anchor (11, 12) positioned on each of the flaps (1, 2), characterized in that the upper flap (2) has greater flexibility compared to the lower flap (1). Dispositif de serrage selon la revendication 1, caractérisé en ce que le volet supérieur (2) est réalisé en matériau(x) plus souple(s) que celui du volet inférieur (1).Clamping device according to claim 1, characterized in that the upper flap (2) is made of more flexible material (s) than that of the lower flap (1). Dispositif de serrage selon l'une des revendications 1 à 2, caractérisé en ce que le volet supérieur (2) est moins épais que le volet inférieur (1).Clamping device according to one of claims 1 to 2, characterized in that the upper flap (2) is thinner than the lower flap (1). Dispositif de serrage selon l'une des revendications 1 à 3, caractérisé en ce que le volet supérieur (2) comprend des évidements (24a, 24b) permettant d'assouplir et d'aérer ledit volet (2).Clamping device according to one of claims 1 to 3, characterized in that the upper flap (2) comprises recesses (24a, 24b) making it possible to soften and ventilate said flap (2). Dispositif de serrage selon l'une des revendications 1 à 4, caractérisé en ce que l'ancrage (12), au niveau du volet supérieur (2), est positionné dans la zone de chevauchement (5).Clamping device according to one of claims 1 to 4, characterized in that the anchor (12), at the level of the upper flap (2), is positioned in the overlapping zone (5). Dispositif de serrage selon l'une des revendications 1 à 5, caractérisé en ce que le volet inférieur (1) s'étend vers l'arrière en réalisant un contrefort de talon (20).Clamping device according to one of claims 1 to 5, characterized in that the lower flap (1) extends rearwards by providing a heel counter (20). Dispositif de serrage selon l'une des revendications 1 à 6, caractérisé en ce que l'article chaussant (CH) comprend une tige (O) et en ce que le volet inférieur (1) et le volet supérieur (2) sont positionnés à l'intérieur de la tige (O) constituant ainsi un serrage interne à l'article chaussant (CH).Clamping device according to one of claims 1 to 6, characterized in that the footwear (CH) comprises a rod (O) and in that the lower flap (1) and the upper flap (2) are positioned at the inside of the upper (O) thus constituting an internal tightening in the footwear (CH). Dispositif de serrage selon l'une des revendication 1 à 6, caractérisé en ce que l'article chaussant (CH) comprend une tige (O) et en ce que le volet supérieur (2) fait partie intégrante de la tige (O).Clamping device according to one of claims 1 to 6, characterized in that the footwear (CH) comprises a rod (O) and in that the upper flap (2) is an integral part of the rod (O). Dispositif de serrage selon l'une des revendications 1 à 8, caractérisé en ce que le volet inférieur (1) comprend des moyens de fixation aptes à solidariser le volet inférieur (1) à la semelle (100).Clamping device according to one of claims 1 to 8, characterized in that the lower flap (1) comprises fixing means capable of securing the lower flap (1) to the sole (100). Article chaussant (CH) équipé du dispositif de serrage selon l'une des revendications 1 à 9.Footwear (CH) equipped with the tightening device according to one of claims 1 at 9.
EP01115869A 2000-07-21 2001-06-29 Fastening device for footwear Expired - Lifetime EP1174048B1 (en)

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FR0009800A FR2811869B1 (en) 2000-07-21 2000-07-21 TIGHTENING DEVICE FOR FOOTWEAR
FR0009800 2000-07-21

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EP (1) EP1174048B1 (en)
JP (1) JP3083555U (en)
AT (1) ATE284630T1 (en)
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US8921527B2 (en) 2002-02-14 2014-12-30 Chugai Seiyaku Kabushiki Kaisha Antibody-containing solution formulations
FR2980959A1 (en) * 2011-10-10 2013-04-12 Salomon Sas IMPROVED ROD TIGHTENING SHOE
EP2580978A1 (en) * 2011-10-10 2013-04-17 Salomon S.A.S. Schuh mit verbesserter Einspannmöglichkeit des Schafts
EP2989917A1 (en) * 2014-09-01 2016-03-02 Salomon S.A.S. Sports shoe
FR3025070A1 (en) * 2014-09-01 2016-03-04 Salomon Sas SPORTS SHOE

Also Published As

Publication number Publication date
DE60107770D1 (en) 2005-01-20
NO20013291D0 (en) 2001-07-02
NO20013291L (en) 2002-01-22
US6860035B2 (en) 2005-03-01
ATE284630T1 (en) 2005-01-15
NO317267B1 (en) 2004-09-27
US20020007570A1 (en) 2002-01-24
FR2811869A1 (en) 2002-01-25
JP3083555U (en) 2002-02-08
DE60107770T2 (en) 2005-12-08
EP1174048B1 (en) 2004-12-15
FR2811869B1 (en) 2002-12-13

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