EP2481315B1 - Fitting element provided with an improved tightening device - Google Patents

Fitting element provided with an improved tightening device Download PDF

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Publication number
EP2481315B1
EP2481315B1 EP20110010306 EP11010306A EP2481315B1 EP 2481315 B1 EP2481315 B1 EP 2481315B1 EP 20110010306 EP20110010306 EP 20110010306 EP 11010306 A EP11010306 A EP 11010306A EP 2481315 B1 EP2481315 B1 EP 2481315B1
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EP
European Patent Office
Prior art keywords
lace
fitting element
medial
immobilizing
quarter
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Not-in-force
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EP20110010306
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German (de)
French (fr)
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EP2481315A1 (en
Inventor
Marco Caeran
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Salomon SAS
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Salomon SAS
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Publication of EP2481315A1 publication Critical patent/EP2481315A1/en
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Publication of EP2481315B1 publication Critical patent/EP2481315B1/en
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    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C1/00—Shoe lacing fastenings
    • A43C1/003—Zone lacing, i.e. whereby different zones of the footwear have different lacing tightening degrees, using one or a plurality of laces

Definitions

  • the invention relates to footwear elements which comprise an envelope intended to cover the foot. More particularly, the invention relates to athletic or walking shoes whose stem comprises an envelope. Such shoes can be used in areas such as snowboarding or snowboarding, snowshoeing, snow skiing, walking, running on flat or hilly terrain, ball sports, or whatever.
  • each shoe includes an outer sole and a rod. It itself includes a side area, a medial area, and a reversible clamping device neighborhoods. In known manner this arrangement allows either to loosen the rod, to put on or off, or on the contrary to tighten, to maintain the foot and sometimes the ankle, or even the lower leg.
  • the shoe presented above is adapted to the practice of snowboarding, in the sense that it allows to perform the movements or to give the impulses necessary to the driving of a board.
  • it has the disadvantage of poor clamping distribution. In other words, when the lace is held in tension, some parts of the foot and / or the lower leg are too tight, while other parts are not too tight. This is because the lace follows a very long path related to the size of the shoe.
  • the clamping device comprises a first lace, for reversibly clamping a first zone of the rod, and a second lace, for reversibly clamping a second zone of the rod.
  • Each of the laces comprises an attachment end to the rod.
  • the clamping device comprises a tensioning handle for each lace, which makes two handles. And it is also necessary to organize the pathways of the two laces to avoid that one and the other do not interfere.
  • the object of the invention is to provide a shoe having an improved clamping device.
  • the invention particularly aims to simplify the structure, and also the use of the reversible clamping device of the stem of a footwear element.
  • the invention also aims to optimize the distribution of tensions related to the tightening of the rod.
  • the invention provides a footwear element which comprises an outer sole and a rod, the upper comprising a first casing, the first casing comprising a lateral quarter, a medial quarter and a reversible clamping device of the lateral and medial quarters, the clamping device comprising a lace which extends between an end of attachment to the casing and a free end, and a first reversible locking device of the lace, the first locking device being secured to the casing.
  • the tightening device of the footwear element according to the invention is characterized in that it comprises a second reversible lace locking device, secured to the casing and designed to reversibly block a subdivision of the lace located between the first blocking device and the free end.
  • the invention thus makes it possible to obtain two clamping zones for a single lace.
  • the first zone is that between the attachment end and the first locking device.
  • the second zone is that between the first and second locking devices.
  • the two clamping zones are therefore located one after the other.
  • the first blocking device makes it possible to adjust the clamping level of the rod in the first zone
  • the second blocking device makes it possible to adjust the level of clamping of the rod in the second zone.
  • these clamping levels are those that are best for the user, and are generally different from each other.
  • the invention therefore provides a differentiated clamping along a clamping device which comprises two clamping zones traversed by a lace.
  • Using a yarn strand and, by corollary, attaching the strand to the stalk, is simpler than using two or more strands, as well as two or more straps.
  • the invention thus simplifies the structure of a clamping device, which also means that the structure of the footwear element is simplified. It will be seen later that the use of the clamping device is simplified.
  • the invention combines the two advantages that are, on the one hand, the simplicity of the clamping device, in its structure and in its use and, on the other hand, the desired distribution of the clamping tensions within the various areas of the device.
  • a snowboard boot 1 is provided to accommodate the foot of the user.
  • the shoe 1 is a footwear element which comprises an outer sole 2 and a rod 3 secured to the sole.
  • the shoe extends in length, in a longitudinal direction L, between a rear end or heel 4 and a front end or tip 5, and in width, in a transverse direction W, between a lateral side 6 and a medial side 7.
  • the rod 3 comprises a lower portion 10, provided to cover the foot, and a high portion 11, provided to surround the ankle and possibly the lower leg.
  • the invention also applies to a footwear element comprising only a low portion.
  • the rod 3 has a top 12 at the lower portion 10, and an upper end 13 or free end at the upper portion 11.
  • the shoe extends in height since the soleing external 2 to the top 12 on the side of the tip 5, and from the outer sole 2 to the upper end 13 of the side of the heel 4.
  • the shoe 1 is structured to allow inclinations of the lower leg during the driving of a board, a good unwinding of the foot during walking, transmissions sensory information, and impulse transmissions for supports or receptions. This is why the outer sole 2 and the rod 3 are relatively flexible.
  • the rod 3 comprises a first casing 14, which constitutes the outer part of the rod 3.
  • the first casing 14 thus delimits the heel 4, the tip 5, as well as the lateral 6 and medial sides 7 of the rod 3
  • the rod 3 comprises a second envelope 15 inserted into the first.
  • the second envelope 15 is for example a comfort slipper, removable or permanently mounted in the first envelope 14. It is however specified that the shoe 1 may be devoid of slipper, especially when the user seeks a more precise or sportier driving. In this case the rod 3 consists of the only first envelope 14. This may nevertheless include an inner lining, intended to provide a minimum of comfort.
  • the first envelope 14 comprises a lateral portion 21, connected to the outer sole 2 at the lateral side 6, as well as a medial portion 22, connected in turn to the outer sole 2 at the medial side 7.
  • the medial quarter 22 extends from the outer sole 2 to the top 12 of the rod 3 at the lower portion 10, remaining set back from a longitudinal plane P of the shoe or footwear element, which is medial quarter and perpendicular to the outer sole 2.
  • the medial quarter 22 also remains set back from the longitudinal plane P at the high portion 11.
  • the lateral portion 21 also extends beyond the medial plane P, to partially cover the medial area 22 when the first envelope 14 is tightened, at the level of the upper portion 11.
  • the footwear element or shoe 1 further comprises a reversible clamping device 25 of the lateral 21 and medial 22, which device will be described in more detail later.
  • a reversible clamping device 25 of the lateral 21 and medial 22 which device will be described in more detail later.
  • it comprises a lace 26 which extends between an attachment end 27 to the first envelope 14 and a free end 28, as well as a first reversible locking device 31 of the lace 26.
  • the first blocking device 31 which will be described in more detail later, is secured to the first casing 14.
  • the reversible clamping device 25 of the footwear element 1 comprises a second reversible locking device 32 of the lace 26, secured to the first casing 14, and provided for reversibly locking a subdivision of the lace 26 located between the first locking device 31 and the free end 28.
  • each of the levels can be chosen as the highest or the lowest.
  • the clamping device 25 is now described in more detail.
  • the attachment end 27 of the lace 26 comprises a knotted buckle 35.
  • the clamping device 25 comprises a fastener 36 made here in the form of a pierced wing.
  • the passer 36 is a flat piece, flexible and inextensible, made for example from leather, a layer of synthetic material, or any equivalent material.
  • the loop 36 is located at the limit of the sole 2 and the rod 3. It is therefore easy to form the loop 35 to attach the lace 26 to the passer 36. This is located on the medial side 7 of the shoe 1, forward of the heel 4, at a distance between 30 and 70% of the length of the sole 2, knowing that a distance between 40 and 60% is satisfactory.
  • the attachment end 27 of the lace 26 is located on the medial side 7. It will be better understood later that it facilitates the tightening of the rod 3 by pulling the lateral portion 21 towards the medial side 7. Still corollary the attachment end 27 of the lace 26 is situated in front of the heel 4, at a distance of between 30 and 70% of the length of the sole assembly 2, knowing that a distance of between 40 and 60% is satisfactory. In fact, the attachment end 27 is approximately perpendicular to the instep of the user, when a boot is made. It will be seen later that this location of the attachment end 27 improves the holding of the foot in the rod 3 at the instep.
  • the clamping device 25 comprises loops 37, 38, 39 arranged between the fastening end 27 of the lace strand 26 and the first locking device 31.
  • the number of loops is equal to three, but it could alternatively be smaller or bigger. For example, there can be provided one, two, four, five or six loops between the attachment end 27 and the device 31.
  • a set of three loops 37, 38, 39 is a good compromise to reduce the friction associated with tightening while ensuring a uniform distribution of the tightening.
  • the first pass 37 is secured to the side portion 21
  • the second pass 38 is secured to the medial area 22
  • the third pass 39 is secured to the side portion 21. This causes the lace 26 to pass alternately from one quarter to another, for a more homogeneous tightening.
  • each passer 37, 38, 39 is structured so that the lace 26 is guided parallel to the first envelope 14, that is to say also parallel to the subdivision of the lateral quarter 21 or the medial area 22 on which it is subject.
  • a passer 37 is a guide that has the general shape of a crescent.
  • the loop 37 comprises a body 40, made for example of plastic material, hollowed by a corridor 41 in the shape of a crescent.
  • the lace 26 slides in the corridor 41.
  • the section of the latter 41 is circular, but could have any other suitable form.
  • the passer 37 also includes a protective cover 42, not mandatory, which also plays a role of aesthetic improvement.
  • the footwear element 1 comprises a securing means, for example made in the form of a seam 43.
  • any other securing means such as a collage, may be provided. snapping, riveting, or other, or a combination of these means.
  • the invention provides that the first reversible locking device 31 is a blocking pass. This one, presented in more detail on the figure 6 , is placed following the loops 37, 38, 39 following the lace 26 in a direction away from the attachment end 27, as will be seen later.
  • the blocker 31 is a guide that has the general shape of a crescent. It is made identically or similarly to that described in the document EP 0 848 917-B1 incorporated in the description by reference. However, it is specified that the blocking loop 31 comprises a body 50, made for example of plastic, having a peripheral sliding path 51 which is crescent-shaped. This path 51 is convex in its general shape, and concave in any section, to facilitate the guiding of the lace 26. It is observed that a first subdivision 52 of the path 51, placed on the side of the passers 37, 38, 39 mentioned above, presents a regular surface. This makes it easy to slide the lace 26.
  • a second subdivision 53 of the path 51, placed on the opposite side to the loops 37, 38, 39, has an irregular surface, intended to jam, that is to say in fact block, the sliding of the lace 26 along the path 51.
  • the subdivision 53 has for example teeth 54 projecting inside the path 51. It will be better understood later that a pull on the lace 26, exerted so as to separate it from the teeth 54, for example according to the arrow F1, allows a tensioning of a first clamping zone, between the attachment end 27 and the first locking device 31. Then the drawdown of the lace 26, according to the arrow F2, in the subdivision 53, which is provided with the teeth 54, allows the maintenance of clamping. Indeed, the lace 26 is stuck by the teeth: the locking effect is obtained.
  • first 52 and second 53 subdivisions of the path 51 are open, in the sense that the lace 26 can be removed, but that the boundary between the first 52 and second 53 comprises a bridge 55 which locally gives the path 51 appearance of a tube. This maintains the lace 26 at the locking device, and facilitates tightening or loosening of the device 25, as will be better understood later.
  • the clamping device 25 includes a guide 60 located between the first locking device 31 and the second locking device 32.
  • the number of loops is equal to one, but it could alternatively be larger. For example, two, three, four, or five loops may be provided between the locking devices 31, 32. Only one 60 is sufficient to achieve a clamping effect.
  • the passer 60 located between the first locking device 31 and the second locking device 32, is secured to the side portion 21. This facilitates a folding of the latter on the medial area 22.
  • the loop 60 is structured so that the lace 26 is guided parallel to the first envelope 14, also parallel to the subdivision of the side portion 21 on which it is subject.
  • the structure of the passer 60 is detailed at figure 7 .
  • the passer 60 is an open guide that has the general shape of a crescent. Again it 60 comprises a body 61, made for example of plastic material, which delimits a sliding path 62 in the form of a crescent for guiding the lace 26.
  • the sliding path 62 is open, in the sense that it allows a clearance of the lace 26 when it is relaxed, as will be seen later.
  • the invention provides that the second reversible locking device 32 is a blocking pass. This one, presented in more detail with the Figures 8 and 9 , is placed following the loops 37, 38, 39, the first locking device 31, and the passing 60 just before, following the lace 26 in a direction away from the attachment end 27.
  • the second reversible locking device 32 is also in the spirit of the document EP 0 848 917-B1 .
  • a body 70 made for example of plastic, having a peripheral holding path 71 which is crescent-shaped.
  • This path is convex in its general shape, and concave in any section, to facilitate the reversible locking of the lace 26.
  • the majority of the path 71 has an irregular surface, designed to wedge, that is to say in is blocked, the lace 26 in the path 71.
  • the latter has for example teeth 72 projecting therein, to cooperate with the lace 26. It will be better understood later that a setting up by winding of the lace 26 in the path 71 allows reversible blocking.
  • the free end 28 of the lace 26 comprises a handle 78.
  • This is for example made of rigid plastic material, with a shape that allows easy gripping. This is of course a T-shape. It may of course alternatively be provided to replace the handle with a loop, a node, or even leave the end 78 as it is, without adding or modifying.
  • the end 28 remains free, despite the presence of the handle 78, in the sense that its position is not fixed relative to the rod 3.
  • the first reversible locking device 31 is disposed on the medial quarter 22, in line with the upper end 13 of the rod 3.
  • the first locking device 31 is also located at the separation limit of the low portion 10 and high 11 of the rod 3. This causes the locking device 31 to maintain the tightness of the lower portion 10, especially above the metatarsal and instep.
  • the tensioning is obtained by manual pulling towards the upper end 13 and slightly behind, in the spirit of a pull along the arrow F1 of the figure 6 . Maintaining the tension, that is to say the locking of the lace 26 by the device 31, is obtained after having folded the lace 26 according to the arrow F2 always of the figure 6 .
  • the user acts to tighten the upper portion 11 of the rod 3. To do this it passes the lace 26 in the loop 60, then the edge of the second locking device 32. There a manual pull of the lace 26 to the backward, according to arrow F3 of the figure 8 , squeezes the high portion 11. Again with reference to the figure 2 it is observed that the tightening is maintained because the lace 26 is folded to engage the teeth 72 of the path 71.
  • the handle 78 is for example removably wedged at the upper end 13 of the rod 3. To do this, it 78 may be provided with a side tab, not visible in the figure.
  • the lace free length 26, which extends beyond the second device 32 after total tightening of the device 25, is shorter than it would have been if the strand had been in permanent engagement with all the loops and devices. locking 31, 32. This facilitates the storage of the free length, because its size is reduced.
  • the second reversible locking device 32 is disposed on the medial quarter 22, in line with the upper end 13 of the rod 3. Also, the second locking device 32 is located on the upper portion 11 of the rod 3. This arrangement makes it possible to obtain the reversible clamping of the upper portion 11, by pulling the lateral quarter 21 in a covering direction of the medial quarter 22. It can also be said that by acting on the lace 26 at the level of the second locking device 32, we obtain the reversible clamping of the second clamping zone between the first 31 and second 32 locking devices.
  • the lateral quarter 21 is superimposed on the medial quarter 22. This confers on the casing 14 continuity of structure, useful for the shoe 1 to be easily introduced into a device retainer on a board, which device holds the boot 1 with the help of straps.
  • the attachment end 27, the first locking device 31, the second locking device 32 and the loops 37, 38, 39, 60 are all located on the medial side 7. This allows to tighten the upper of a left shoe with the right hand, or vice versa. You can also tighten a left shoe with your left hand, or a right shoe with your right hand. We can of course use one hand to tighten every shoe rod. In the end the user sees the donning and loosening operations, that is to say tightening and loosening, simplified and faster.
  • the lace 26 is unique.
  • the first envelope 14 is tightened or loosened using the single lace 26. This arrangement gives the first envelope 14 its simplicity of structure and use.
  • the footwear element 1 comprises a tongue 80. This one, visible on the figure 1 extends in the longitudinal direction L in the upper region 12 and the front of the upper portion 11, under the lateral quarter 21.
  • the tongue 80 provides a certain comfort for the foot holding.
  • the lateral portion 21 has a low notch 81, located in front of the boundary between the low and high portions 11 and 11, and a notch 82, located above the boundary between the low portions 10 and 11 high.
  • These notches 81, 82 define a front flap 83, a central flap 84, and a rear flap 85 of the lateral quarter 21.
  • the flaps 83, 84, 85 which cover the medial quarter 22 when the envelope 14 is tightened.
  • the front flap 83 carries the first passer 37
  • the central flap 84 carries the third passer 39
  • the rear flap 85 carries the passer 60. This arrangement relaxes the side portion 21, and contributes to a better recovery of the medial area 22, as well as better clamping efficiency.
  • a shoe 1 with a sole 2, a rod 3, a lower portion 10, an upper portion 11, a lateral portion 21, a medial portion 22, or a clamping device 25.
  • the clamping device 25 always comprises a lace 26, a fastening end 27, a free end 28 provided with a handle 78, a first locking device 31, a second locking device 32, and a passer 60 disposed between the locking devices 31, 32.
  • the clamping device 25 here comprises a single pass 90 between the end attachment 27 and the first locking device 31. This reduces the path of the lace.
  • the lateral quarter 21 has a notch 91, also unique, at the limit of the low portions 10 and 11 of the upper casing 14 of the rod 3. It follows that this quarter 21 has a bottom flap 92, intended to cover the instep, and a high flap 93, intended to cover the front of the lower leg of the user.
  • the bottom flap 92 which is part of the lower portion 10, carries the pass 90 which succeeds the attachment end 27 along the lace 26.
  • the high flap 93 meanwhile, carries the passer 60 located between the locking devices 31, 32 along the lace 26.
  • the attachment end 27 and the locking devices 31, 32 are all located on the medial side 7, on the medial quarter 22, in line with the upper end 13. Thus the lace 26 travels along the envelope 14 on the medial side 7.
  • clamping device 25 on the lateral side 6, with a medial area 22 which extends beyond the longitudinal plane P to cover the lateral area 21.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Description

L'invention se rapporte à des éléments chaussants qui comprennent une enveloppe destinée à couvrir le pied. Plus particulièrement, l'invention concerne des chaussures de sport ou de marche dont la tige comprend une enveloppe. De telles chaussures peuvent être utilisées dans des domaines tels que le surf sur neige ou snowboard, la raquette à neige, le ski sur neige, la marche, la course sur terrain plat ou accidenté, un sport de balle, ou autre.The invention relates to footwear elements which comprise an envelope intended to cover the foot. More particularly, the invention relates to athletic or walking shoes whose stem comprises an envelope. Such shoes can be used in areas such as snowboarding or snowboarding, snowshoeing, snow skiing, walking, running on flat or hilly terrain, ball sports, or whatever.

Pour les utilisations envisagées, chaque chaussure comprend un semelage externe et une tige. Celle-ci comprend elle-même un quartier latéral, un quartier médial, ainsi qu'un dispositif de serrage réversible des quartiers. De manière connue cet agencement permet soit de desserrer la tige, pour chausser ou déchausser, soit au contraire de la serrer, pour maintenir le pied et parfois la cheville, voire aussi le bas de jambe.For the intended uses, each shoe includes an outer sole and a rod. It itself includes a side area, a medial area, and a reversible clamping device neighborhoods. In known manner this arrangement allows either to loosen the rod, to put on or off, or on the contrary to tighten, to maintain the foot and sometimes the ankle, or even the lower leg.

C'est le cas par exemple en snowboard, où une chaussure possède une tige qui maintient à la fois le pied, la cheville et le bas de jambe d'un utilisateur. Il est pour ce faire bien connu d'employer un dispositif de serrage qui comprend des passants associés aux quartiers et un lacet qui chemine par les passants. Le serrage du lacet amène la chaussure à assurer le maintien. Et par corollaire, bien entendu, le desserrage du lacet permet un chaussage ou un déchaussage.This is the case for example in snowboarding, where a shoe has a rod that holds both the foot, the ankle and the lower leg of a user. To this end, it is well known to employ a tightening device that includes passers-by associated with the quarters and a lace that travels through the passers-by. The tightening of the lace causes the shoe to maintain. And corollary, of course, the loosening of the lace allows a boot or a heaving.

La chaussure ci-avant présentée est adaptée à la pratique du snowboard, dans le sens où elle permet d'effectuer les mouvements ou de donner les impulsions nécessaires à la conduite d'une planche. Cependant, elle présente l'inconvénient d'une mauvaise répartition de serrage. En d'autres termes, lorsque le lacet est maintenu en tension, certaines parties du pied et/ou du bas de jambe sont trop serrées, alors que d'autres parties ne le sont pas assez. Cela provient du fait que le lacet suit un parcours très long lié à la taille de la chaussure.The shoe presented above is adapted to the practice of snowboarding, in the sense that it allows to perform the movements or to give the impulses necessary to the driving of a board. However, it has the disadvantage of poor clamping distribution. In other words, when the lace is held in tension, some parts of the foot and / or the lower leg are too tight, while other parts are not too tight. This is because the lace follows a very long path related to the size of the shoe.

Afin de remédier à cet inconvénient, l'art antérieur a proposé divers dispositifs dont la vocation est l'amélioration de la répartition des efforts de serrage de la tige d'une chaussure.To remedy this drawback, the prior art has proposed various devices whose vocation is to improve the distribution of clamping forces of the stem of a shoe.

Par exemple, selon le document US 7,401,423 , il est prévu en fait deux zones de serrage pour une même tige de chaussure. En l'occurrence le dispositif de serrage comprend un premier lacet, destiné à serrer de manière réversible une première zone de la tige, ainsi qu'un deuxième lacet, destiné à serrer de manière réversible une deuxième zone de la tige. Chacun des lacets comprend une extrémité d'attache à la tige. De plus le dispositif de serrage comprend une poignée de mise en tension pour chaque lacet, ce qui fait deux poignées. Et il est également nécessaire d'organiser les cheminements des deux lacets pour éviter que l'un et l'autre ne se gênent.For example, according to the document US 7,401,423 , there are in fact two clamping zones for the same shoe rod. In this case the clamping device comprises a first lace, for reversibly clamping a first zone of the rod, and a second lace, for reversibly clamping a second zone of the rod. Each of the laces comprises an attachment end to the rod. In addition, the clamping device comprises a tensioning handle for each lace, which makes two handles. And it is also necessary to organize the pathways of the two laces to avoid that one and the other do not interfere.

Au final, s'il a bien amélioré la répartition de serrage de la tige, le dispositif prévu pour cela selon le document US 7,401,423 a adopté une structure compliquée. En corrélation, l'utilisation du dispositif de serrage est aussi compliquée, car les poignées sont situées à deux emplacements différents, ce qui oblige l'utilisateur à modifier sa gestuelle quand il change de poignée.In the end, if it has improved the tightening distribution of the rod, the device provided for this according to the document US 7,401,423 has adopted a complicated structure. In correlation, the use of the clamping device is also complicated because the handles are located in two different locations, which forces the user to change his gestures when he changes handshake.

Par rapport à cela, l'invention a pour but de proposer une chaussure ayant un dispositif de serrage amélioré. L'invention a notamment pour but de simplifier la structure, et aussi l'utilisation, du dispositif de serrage réversible de la tige d'un élément chaussant.With respect to this, the object of the invention is to provide a shoe having an improved clamping device. The invention particularly aims to simplify the structure, and also the use of the reversible clamping device of the stem of a footwear element.

L'invention a également pour but d'optimiser la répartition des tensions liées au serrage de la tige.The invention also aims to optimize the distribution of tensions related to the tightening of the rod.

Il s'agit globalement d'obtenir une bonne répartition des tensions avec un dispositif simple, ce qui revient à concilier deux avantages contradictoires.This is generally to obtain a good distribution of tensions with a simple device, which amounts to reconciling two contradictory advantages.

Pour ce faire, l'invention propose un élément chaussant qui comprend un semelage externe et une tige, la tige comprenant une première enveloppe, la première enveloppe comprenant un quartier latéral, un quartier médial et un dispositif de serrage réversible des quartiers latéral et médial, le dispositif de serrage comprenant un lacet qui s'étend entre une extrémité d'attache à l'enveloppe et une extrémité libre, ainsi qu'un premier dispositif de blocage réversible du lacet, le premier dispositif de blocage étant solidarisé à l'enveloppe.To do this, the invention provides a footwear element which comprises an outer sole and a rod, the upper comprising a first casing, the first casing comprising a lateral quarter, a medial quarter and a reversible clamping device of the lateral and medial quarters, the clamping device comprising a lace which extends between an end of attachment to the casing and a free end, and a first reversible locking device of the lace, the first locking device being secured to the casing.

Le dispositif de serrage de l'élément chaussant selon l'invention est caractérisé par le fait qu'il comprend un deuxième dispositif de blocage réversible du lacet, solidarisé à l'enveloppe et prévu pour bloquer de manière réversible une subdivision du lacet située entre le premier dispositif de blocage et l'extrémité libre.The tightening device of the footwear element according to the invention is characterized in that it comprises a second reversible lace locking device, secured to the casing and designed to reversibly block a subdivision of the lace located between the first blocking device and the free end.

L'invention permet donc d'obtenir deux zones de serrage pour un seul lacet. La première zone est celle comprise entre l'extrémité d'attache et le premier dispositif de blocage. La deuxième zone quant à elle est celle comprise entre les premier et second dispositifs de blocage. Les deux zones de serrage sont donc situées l'une à la suite de l'autre.The invention thus makes it possible to obtain two clamping zones for a single lace. The first zone is that between the attachment end and the first locking device. The second zone is that between the first and second locking devices. The two clamping zones are therefore located one after the other.

Le premier dispositif de blocage permet d'ajuster le niveau de serrage de la tige dans la première zone, et le deuxième dispositif de blocage permet d'ajuster le niveau de serrage de la tige dans la deuxième zone. Bien entendu ces niveaux de serrage sont ceux qui conviennent le mieux à l'utilisateur, et sont généralement différents l'un de l'autre. L'invention fournit donc un serrage différencié le long d'un dispositif de serrage qui comprend deux zones de serrage parcourues par un lacet.The first blocking device makes it possible to adjust the clamping level of the rod in the first zone, and the second blocking device makes it possible to adjust the level of clamping of the rod in the second zone. Of course these clamping levels are those that are best for the user, and are generally different from each other. The invention therefore provides a differentiated clamping along a clamping device which comprises two clamping zones traversed by a lace.

Le fait d'utiliser un brin de lacet et, par corolaire, une attache du brin à la tige, est plus simple que d'utiliser deux brins ou plus, ainsi que deux attaches ou plus. L'invention simplifie donc la structure d'un dispositif de serrage, ce qui revient à dire aussi que la structure de l'élément chaussant est simplifiée. On verra par la suite que l'utilisation du dispositif de serrage est simplifiée.Using a yarn strand and, by corollary, attaching the strand to the stalk, is simpler than using two or more strands, as well as two or more straps. The invention thus simplifies the structure of a clamping device, which also means that the structure of the footwear element is simplified. It will be seen later that the use of the clamping device is simplified.

Au final, l'invention concilie les deux avantages que sont, d'une part, la simplicité du dispositif de serrage, dans sa structure et dans son utilisation et, d'autre part, la répartition souhaitée des tensions de serrage au sein des différentes zones du dispositif.In the end, the invention combines the two advantages that are, on the one hand, the simplicity of the clamping device, in its structure and in its use and, on the other hand, the desired distribution of the clamping tensions within the various areas of the device.

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

  • la figure 1 est une vue en perspective avant d'une chaussure, selon une première forme de réalisation décrite de l'invention,
  • la figure 2 est une vue de côté de la chaussure de la figure 1, dans un cas où une enveloppe de la tige est totalement serrée,
  • la figure 3 est une vue similaire à la figure 2, dans un cas où l'enveloppe de la tige est partiellement serrée,
  • la figure 4 est une vue partielle agrandie de la figure 2, montrant un guide fermé du brin de lacet,
  • la figure 5 est une coupe selon V-V de la figure 4,
  • la figure 6 est une vue en coupe à plat d'un premier dispositif de blocage réversible du brin de lacet, selon la première forme de réalisation décrite,
  • la figure 7 est une vue en coupe à plat d'un guide ouvert du brin de lacet, selon la première forme de réalisation décrite,
  • la figure 8 est une vue en coupe à plat d'un deuxième dispositif de blocage réversible du brin de lacet, selon la première forme de réalisation décrite,
  • la figure 9 est une coupe selon IX-IX de la figure 8,
  • la figure 10 est une vue similaire à la figure 2, selon une deuxième forme de réalisation décrite de l'invention.
Other features and advantages of the invention will be better understood with the aid of the following description, with reference to the appended drawing illustrating, according to non-limiting embodiments, how the invention may be implemented, and in which :
  • the figure 1 is a front perspective view of a shoe, according to a first described embodiment of the invention,
  • the figure 2 is a side view of the shoe of the figure 1 , in a case where a casing of the rod is totally tightened,
  • the figure 3 is a view similar to the figure 2 in a case where the casing of the stem is partially tightened,
  • the figure 4 is an enlarged partial view of the figure 2 , showing a closed guide of the yaw,
  • the figure 5 is a section according to VV of the figure 4 ,
  • the figure 6 is a flat sectional view of a first reversible locking device of the lace strand, according to the first embodiment described,
  • the figure 7 is a flat sectional view of an open guide of the lace strand, according to the first embodiment described,
  • the figure 8 is a flat sectional view of a second reversible locking device of the lace strand, according to the first embodiment described,
  • the figure 9 is a section IX-IX of the figure 8 ,
  • the figure 10 is a view similar to the figure 2 according to a second described embodiment of the invention.

Les formes de réalisation décrites après concernent par exemple des chaussures de snowboard. Cependant l'invention s'applique à d'autres domaines tels que ceux évoqués avant.The embodiments described below concern, for example, snowboard boots. However, the invention applies to other fields such as those mentioned before.

La première forme est abordée ci-après à l'aide des figures 1 à 9.The first form is discussed below with the help of Figures 1 to 9 .

Comme le montre la figure 1, une chaussure de snowboard 1 est prévue pour accueillir le pied de l'utilisateur. De manière connue la chaussure 1 est un élément chaussant qui comprend un semelage externe 2 et une tige 3 solidarisée au semelage. La chaussure s'étend en longueur, selon une direction longitudinale L, entre une extrémité arrière ou talon 4 et une extrémité avant ou pointe 5, et en largeur, selon une direction transversale W, entre un côté latéral 6 et un côté médial 7.As shown in figure 1 , a snowboard boot 1 is provided to accommodate the foot of the user. In known manner the shoe 1 is a footwear element which comprises an outer sole 2 and a rod 3 secured to the sole. The shoe extends in length, in a longitudinal direction L, between a rear end or heel 4 and a front end or tip 5, and in width, in a transverse direction W, between a lateral side 6 and a medial side 7.

Telle que représentée la tige 3 comprend une portion basse 10, prévue pour couvrir le pied, ainsi qu'une portion haute 11, prévue pour entourer la cheville et éventuellement le bas de jambe. Cependant, l'invention s'applique aussi à un élément chaussant comprenant seulement une portion basse.As shown in the rod 3 comprises a lower portion 10, provided to cover the foot, and a high portion 11, provided to surround the ankle and possibly the lower leg. However, the invention also applies to a footwear element comprising only a low portion.

Selon la première forme de réalisation décrite, la tige 3 présente un dessus 12 au niveau de la portion basse 10, et une extrémité supérieure 13 ou extrémité libre au niveau de la portion haute 11. Ainsi la chaussure s'étend en hauteur depuis le semelage externe 2 jusqu'au dessus 12 du côté de la pointe 5, et depuis le semelage externe 2 jusqu'à l'extrémité supérieure 13 du côté du talon 4.According to the first embodiment described, the rod 3 has a top 12 at the lower portion 10, and an upper end 13 or free end at the upper portion 11. Thus the shoe extends in height since the soleing external 2 to the top 12 on the side of the tip 5, and from the outer sole 2 to the upper end 13 of the side of the heel 4.

La chaussure 1 est structurée pour permettre des inclinaisons du bas de jambe pendant la conduite d'une planche, un bon déroulement du pied pendant la marche, des transmissions d'informations sensorielles, et des transmissions d'impulsions pour des appuis ou des réceptions. C'est pourquoi le semelage externe 2 et la tige 3 sont relativement souples.The shoe 1 is structured to allow inclinations of the lower leg during the driving of a board, a good unwinding of the foot during walking, transmissions sensory information, and impulse transmissions for supports or receptions. This is why the outer sole 2 and the rod 3 are relatively flexible.

De manière non limitative la tige 3 comprend une première enveloppe 14, laquelle constitue la partie externe de la tige 3. La première enveloppe 14 délimite donc le talon 4, la pointe 5, ainsi que les côtés latéral 6 et médial 7 de la tige 3. En complément, la tige 3 comprend une deuxième enveloppe 15 insérée dans la première. La deuxième enveloppe 15 est par exemple un chausson de confort, amovible ou monté à demeure dans la première enveloppe 14. On précise toutefois que la chaussure 1 peut être dépourvue de chausson, notamment lorsque l'utilisateur recherche une conduite plus précise ou plus sportive. Dans ce cas la tige 3 est constituée de la seule première enveloppe 14. Celle-ci peut néanmoins comprendre une doublure interne, destinée à apporter un minimum de confort.In a nonlimiting manner, the rod 3 comprises a first casing 14, which constitutes the outer part of the rod 3. The first casing 14 thus delimits the heel 4, the tip 5, as well as the lateral 6 and medial sides 7 of the rod 3 In addition, the rod 3 comprises a second envelope 15 inserted into the first. The second envelope 15 is for example a comfort slipper, removable or permanently mounted in the first envelope 14. It is however specified that the shoe 1 may be devoid of slipper, especially when the user seeks a more precise or sportier driving. In this case the rod 3 consists of the only first envelope 14. This may nevertheless include an inner lining, intended to provide a minimum of comfort.

La première enveloppe 14 comprend un quartier latéral 21, relié au semelage externe 2 au niveau du côté latéral 6, ainsi qu'un quartier médial 22, relié quant à lui au semelage externe 2 au niveau du côté médial 7.The first envelope 14 comprises a lateral portion 21, connected to the outer sole 2 at the lateral side 6, as well as a medial portion 22, connected in turn to the outer sole 2 at the medial side 7.

De manière non limitative, comme on le considère sur les figures 1 à 3, le quartier médial 22 s'étend depuis le semelage externe 2 jusqu'au dessus 12 de la tige 3 au niveau de la portion basse 10, en restant en retrait d'un plan longitudinal P de la chaussure ou élément chaussant, plan qui est médian et perpendiculaire au semelage externe 2. Le quartier médial 22 reste également en retrait du plan longitudinal P au niveau de la portion haute 11. Le quartier latéral 21, quant à lui, s'étend depuis le semelage externe 2 jusqu'au dessus 12 de la tige 3 au niveau de la portion basse 10, en allant au-delà du plan médian P, pour couvrir en partie le quartier médial 22 lorsque la première enveloppe 14 de la tige 3 est serrée, comme il sera détaillé plus loin. Le quartier latéral 21 va également au-delà du plan médial P, pour couvrir en partie le quartier médial 22 lorsque la première enveloppe 14 est serrée, au niveau de la portion haute 11.In a non-limiting way, as we consider it on Figures 1 to 3 , the medial quarter 22 extends from the outer sole 2 to the top 12 of the rod 3 at the lower portion 10, remaining set back from a longitudinal plane P of the shoe or footwear element, which is medial quarter and perpendicular to the outer sole 2. The medial quarter 22 also remains set back from the longitudinal plane P at the high portion 11. The lateral portion 21, meanwhile, extends from the outer sole 2 to the top 12 of the rod 3 at the lower portion 10, going beyond the median plane P, to partially cover the medial area 22 when the first casing 14 of the rod 3 is clamped, as will be detailed below. The lateral portion 21 also extends beyond the medial plane P, to partially cover the medial area 22 when the first envelope 14 is tightened, at the level of the upper portion 11.

L'élément chaussant ou chaussure 1 comprend encore un dispositif de serrage réversible 25 des quartiers latéral 21 et médial 22, dispositif qui sera décrit plus en détail après. On peut néanmoins déjà préciser qu'il 25 comprend un lacet 26 qui s'étend entre une extrémité d'attache 27 à la première enveloppe 14 et une extrémité libre 28, ainsi qu'un premier dispositif de blocage réversible 31 du lacet 26. Le premier dispositif de blocage 31, qui sera décrit plus en détail après, est solidarisé à la première enveloppe 14.The footwear element or shoe 1 further comprises a reversible clamping device 25 of the lateral 21 and medial 22, which device will be described in more detail later. However, it can already be stated that it comprises a lace 26 which extends between an attachment end 27 to the first envelope 14 and a free end 28, as well as a first reversible locking device 31 of the lace 26. The first blocking device 31, which will be described in more detail later, is secured to the first casing 14.

Selon l'invention, le dispositif de serrage réversible 25 de l'élément chaussant 1 comprend un deuxième dispositif de blocage réversible 32 du lacet 26, solidarisé à la première enveloppe 14, et prévu pour bloquer de manière réversible une subdivision du lacet 26 située entre le premier dispositif de blocage 31 et l'extrémité libre 28. Cela détermine une deuxième zone de serrage pour le lacet 26, par rapport à une première zone comprise quant à elle entre l'extrémité d'attache 27 et le premier dispositif de blocage 31. Il s'ensuit la possibilité d'effectuer deux serrages d'intensités différentes pour les deux zones. En d'autres termes il est possible d'obtenir un premier niveau de serrage de l'enveloppe 14 dans la première zone, et un deuxième niveau de serrage de l'enveloppe 14 dans la deuxième zone. Bien entendu, chacun des niveaux peut être choisi comme le plus élevé ou le plus faible. En fait l'utilisateur ajuste le serrage de chaque zone selon ses besoins. Un avantage qui découle de cet agencement est la simplicité, par exemple en termes de structure ou de fabrication, car la chaussure 1 utilise un seul lacet 26 avec une seule attache 27 pour le dispositif de serrage 25 de la première enveloppe 14.According to the invention, the reversible clamping device 25 of the footwear element 1 comprises a second reversible locking device 32 of the lace 26, secured to the first casing 14, and provided for reversibly locking a subdivision of the lace 26 located between the first locking device 31 and the free end 28. This determines a second clamping zone for the lace 26, with respect to a first zone comprised between the attachment end 27 and the first locking device 31 It follows the possibility of making two clamps of different intensities for the two zones. In other words it is possible to obtain a first level of tightening of the envelope 14 in the first zone, and a second level of tightening of the envelope 14 in the second zone. Of course, each of the levels can be chosen as the highest or the lowest. In fact, the user adjusts the tightening of each zone according to his needs. An advantage that arises from this arrangement is the simplicity, for example in terms of structure or manufacture, because the shoe 1 uses a single lace 26 with a single fastener 27 for the clamping device 25 of the first envelope 14.

Le dispositif de serrage 25 est maintenant décrit plus en détail.The clamping device 25 is now described in more detail.

Selon la première forme de réalisation décrite, de manière non limitative, l'extrémité d'attache 27 du lacet 26 comprend une boucle nouée 35. Afin de retenir cette dernière 35, le dispositif de serrage 25 comprend un passant d'attache 36 réalisé ici sous la forme d'une aile trouée. Le passant 36 est une pièce plane, flexible et inextensible, réalisée par exemple à partir de cuir, d'une couche de matière synthétique, ou de tout matériau équivalent. Le passant 36 est situé à la limite du semelage 2 et de la tige 3. Il est donc facile de former la boucle 35 pour attacher le lacet 26 au passant 36. Celui-ci est situé sur le côté médial 7 de la chaussure 1, en avant du talon 4, à une distance comprise entre 30 et 70% de la longueur du semelage 2, sachant qu'une distance comprise entre 40 et 60% donne satisfaction. Par corollaire l'extrémité d'attache 27 du lacet 26 est située sur le côté médial 7. On comprendra mieux par la suite que cela facilite le serrage de la tige 3 par traction du quartier latéral 21 vers le côté médial 7. Toujours par corollaire l'extrémité d'attache 27 du lacet 26 est située en avant du talon 4, à une distance comprise entre 30 et 70% de la longueur du semelage 2, sachant qu'une distance comprise entre 40 et 60% donne satisfaction. En fait l'extrémité d'attache 27 est à peu près à l'aplomb du cou-de-pied de l'utilisateur, lorsqu'un chaussage est réalisé. On verra mieux par la suite que cette localisation de l'extrémité d'attache 27 améliore la tenue du pied dans la tige 3 au niveau du cou-de-pied.According to the first embodiment described, without limitation, the attachment end 27 of the lace 26 comprises a knotted buckle 35. In order to retain the latter 35, the clamping device 25 comprises a fastener 36 made here in the form of a pierced wing. The passer 36 is a flat piece, flexible and inextensible, made for example from leather, a layer of synthetic material, or any equivalent material. The loop 36 is located at the limit of the sole 2 and the rod 3. It is therefore easy to form the loop 35 to attach the lace 26 to the passer 36. This is located on the medial side 7 of the shoe 1, forward of the heel 4, at a distance between 30 and 70% of the length of the sole 2, knowing that a distance between 40 and 60% is satisfactory. By corollary the attachment end 27 of the lace 26 is located on the medial side 7. It will be better understood later that it facilitates the tightening of the rod 3 by pulling the lateral portion 21 towards the medial side 7. Still corollary the attachment end 27 of the lace 26 is situated in front of the heel 4, at a distance of between 30 and 70% of the length of the sole assembly 2, knowing that a distance of between 40 and 60% is satisfactory. In fact, the attachment end 27 is approximately perpendicular to the instep of the user, when a boot is made. It will be seen later that this location of the attachment end 27 improves the holding of the foot in the rod 3 at the instep.

Ensuite le dispositif de serrage 25 comprend des passants 37, 38, 39 disposés entre l'extrémité d'attache 27 du brin de lacet 26 et le premier dispositif de blocage 31. Le nombre de passants est égal à trois, mais il pourrait alternativement être plus petit ou plus grand. Par exemple, il peut être prévu un, deux, quatre, cinq ou six passants entre l'extrémité d'attache 27 et le dispositif 31. Un ensemble de trois passants 37, 38, 39 est un bon compromis pour réduire les frottements liés au serrage tout en assurant une répartition homogène du serrage.Then the clamping device 25 comprises loops 37, 38, 39 arranged between the fastening end 27 of the lace strand 26 and the first locking device 31. The number of loops is equal to three, but it could alternatively be smaller or bigger. For example, there can be provided one, two, four, five or six loops between the attachment end 27 and the device 31. A set of three loops 37, 38, 39 is a good compromise to reduce the friction associated with tightening while ensuring a uniform distribution of the tightening.

De manière non limitative, dans un sens d'éloignement de l'extrémité d'attache 27 et en suivant le cheminement du lacet 26, le premier passant 37 est solidarisé au quartier latéral 21, le deuxième passant 38 est solidarisé au quartier médial 22, et le troisième passant 39 est solidarisé au quartier latéral 21. Cela amène le lacet 26 à passer alternativement d'un quartier à l'autre, pour un serrage plus homogène.In a nonlimiting manner, in a direction away from the attachment end 27 and following the path of the lace 26, the first pass 37 is secured to the side portion 21, the second pass 38 is secured to the medial area 22, and the third pass 39 is secured to the side portion 21. This causes the lace 26 to pass alternately from one quarter to another, for a more homogeneous tightening.

On observe que chaque passant 37, 38, 39 est structuré pour que le lacet 26 soit guidé parallèlement à la première enveloppe 14, c'est-à-dire aussi parallèlement à la subdivision du quartier latéral 21 ou du quartier médial 22 sur laquelle il est assujetti.It is observed that each passer 37, 38, 39 is structured so that the lace 26 is guided parallel to the first envelope 14, that is to say also parallel to the subdivision of the lateral quarter 21 or the medial area 22 on which it is subject.

La structure d'un passant, par exemple le premier 37, est détaillée aux figures 4 et 5. Il faut comprendre que ce qui est prévu pour le premier passant 37 s'applique aussi aux autres 38, 39. En fait un passant 37 est un guide qui présente la forme générale d'un croissant. Le passant 37 comprend un corps 40, réalisé par exemple en matière plastique, évidé par un couloir 41 en forme de croissant. Bien entendu, le lacet 26 glisse dans le couloir 41. La section de ce dernier 41 est circulaire, mais pourrait présenter toute autre forme appropriée. Le passant 37 comprend encore une couverture de protection 42, non obligatoire, qui joue aussi un rôle d'amélioration esthétique. Afin de solidariser le passant 37 à la première enveloppe 14, l'élément chaussant 1 comprend un moyen de solidarisation, réalisé par exemple sous la forme d'une couture 43. Il peut alternativement être prévu tout autre moyen de solidarisation, comme un collage, un encliquetage, un rivetage, ou autre, ou encore une combinaison de ces moyens.The structure of a passer, for example the first 37, is detailed at Figures 4 and 5 . It should be understood that what is provided for the first passer 37 also applies to the other 38, 39. In fact a passer 37 is a guide that has the general shape of a crescent. The loop 37 comprises a body 40, made for example of plastic material, hollowed by a corridor 41 in the shape of a crescent. Of course, the lace 26 slides in the corridor 41. The section of the latter 41 is circular, but could have any other suitable form. The passer 37 also includes a protective cover 42, not mandatory, which also plays a role of aesthetic improvement. In order to secure the loop 37 to the first envelope 14, the footwear element 1 comprises a securing means, for example made in the form of a seam 43. Alternatively, any other securing means, such as a collage, may be provided. snapping, riveting, or other, or a combination of these means.

Afin de pouvoir bloquer de manière réversible une première subdivision du lacet 26, l'invention prévoit que le premier dispositif de blocage réversible 31 est un passant bloqueur. Celui-ci, présenté plus en détail sur la figure 6, est placé à la suite des passants 37, 38, 39 en suivant le lacet 26 dans un sens d'éloignement de l'extrémité d'attache 27, comme on le verra après.In order to reversibly block a first subdivision of the lace 26, the invention provides that the first reversible locking device 31 is a blocking pass. This one, presented in more detail on the figure 6 , is placed following the loops 37, 38, 39 following the lace 26 in a direction away from the attachment end 27, as will be seen later.

Le passant bloqueur 31 est un guide qui présente la forme générale d'un croissant. Il 31 est réalisé de manière identique ou similaire à celui décrit dans le document EP 0 848 917-B1 , incorporé à la description par référence. On précise néanmoins que le passant bloqueur 31 comprend un corps 50, réalisé par exemple en matière plastique, présentant un chemin de coulissement périphérique 51 qui est en forme de croissant. Ce chemin 51 est convexe dans sa forme générale, et concave dans toute section, pour faciliter le guidage du lacet 26. On observe qu'une première subdivision 52 du chemin 51, placée du côté des passants 37, 38, 39 évoqués précédemment, présente une surface régulière. Cela permet de facilement y faire glisser le lacet 26. Une deuxième subdivision 53 du chemin 51, placée du côté opposé aux passants 37, 38, 39, présente quant à elle une surface irrégulière, prévue pour coincer, c'est-à-dire en fait bloquer, le coulissement du lacet 26 le long du chemin 51. La subdivision 53 présente par exemple des dents 54 en saillie à l'intérieur du chemin 51. On comprendra mieux par la suite qu'une traction sur le lacet 26, exercée de façon à écarter celui-ci des dents 54, par exemple selon la flèche F1, permet une mise en tension d'une première zone de serrage, entre l'extrémité d'attache 27 et le premier dispositif de blocage 31. Ensuite le rabattement du lacet 26, selon la flèche F2, dans la subdivision 53, laquelle est munie des dents 54, permet le maintien du serrage. En effet, le lacet 26 est coincé par les dents : l'effet de blocage est obtenu. On remarque que les première 52 et deuxième 53 subdivisions du chemin 51 sont ouvertes, dans le sens où le lacet 26 peut en être écarté, mais que la limite entre les première 52 et deuxième 53 comprend un pont 55 qui donne localement au chemin 51 l'aspect d'un tube. Cela maintient le lacet 26 au niveau du dispositif de blocage, et facilite les manipulations de serrage ou de desserrage du dispositif 25, comme on le comprendra mieux par la suite.The blocker 31 is a guide that has the general shape of a crescent. It is made identically or similarly to that described in the document EP 0 848 917-B1 incorporated in the description by reference. However, it is specified that the blocking loop 31 comprises a body 50, made for example of plastic, having a peripheral sliding path 51 which is crescent-shaped. This path 51 is convex in its general shape, and concave in any section, to facilitate the guiding of the lace 26. It is observed that a first subdivision 52 of the path 51, placed on the side of the passers 37, 38, 39 mentioned above, presents a regular surface. This makes it easy to slide the lace 26. A second subdivision 53 of the path 51, placed on the opposite side to the loops 37, 38, 39, has an irregular surface, intended to jam, that is to say in fact block, the sliding of the lace 26 along the path 51. The subdivision 53 has for example teeth 54 projecting inside the path 51. It will be better understood later that a pull on the lace 26, exerted so as to separate it from the teeth 54, for example according to the arrow F1, allows a tensioning of a first clamping zone, between the attachment end 27 and the first locking device 31. Then the drawdown of the lace 26, according to the arrow F2, in the subdivision 53, which is provided with the teeth 54, allows the maintenance of clamping. Indeed, the lace 26 is stuck by the teeth: the locking effect is obtained. Note that the first 52 and second 53 subdivisions of the path 51 are open, in the sense that the lace 26 can be removed, but that the boundary between the first 52 and second 53 comprises a bridge 55 which locally gives the path 51 appearance of a tube. This maintains the lace 26 at the locking device, and facilitates tightening or loosening of the device 25, as will be better understood later.

Ensuite le dispositif de serrage 25 comprend un passant 60 situé entre le premier dispositif de blocage 31 et le deuxième dispositif de blocage 32. Le nombre de passants est égal à un, mais il pourrait alternativement être plus grand. Par exemple, il peut être prévu deux, trois, quatre, ou cinq passants entre les dispositifs de blocage 31, 32. Un seul 60 est suffisant pour obtenir un effet de serrage.Then the clamping device 25 includes a guide 60 located between the first locking device 31 and the second locking device 32. The number of loops is equal to one, but it could alternatively be larger. For example, two, three, four, or five loops may be provided between the locking devices 31, 32. Only one 60 is sufficient to achieve a clamping effect.

Selon la première forme de réalisation décrite le passant 60, situé entre le premier dispositif de blocage 31 et le deuxième dispositif de blocage 32, est solidarisé au quartier latéral 21. Cela facilite un rabattement de ce dernier sur le quartier médial 22.According to the first embodiment described the passer 60, located between the first locking device 31 and the second locking device 32, is secured to the side portion 21. This facilitates a folding of the latter on the medial area 22.

Le passant 60 est structuré pour que le lacet 26 soit guidé parallèlement à la première enveloppe 14, parallèlement aussi à la subdivision du quartier latéral 21 sur lequel il est assujetti.The loop 60 is structured so that the lace 26 is guided parallel to the first envelope 14, also parallel to the subdivision of the side portion 21 on which it is subject.

La structure du passant 60 est détaillée à la figure 7. Le passant 60 est un guide ouvert qui présente la forme générale d'un croissant. Là encore il 60 comprend un corps 61, réalisé par exemple en matière plastique, qui délimite un chemin de glissement 62 en forme de croissant pour guider le lacet 26. Le chemin de glissement 62 est ouvert, dans le sens où il permet un dégagement du lacet 26 lorsque celui-ci est détendu, comme on le verra mieux par la suite.The structure of the passer 60 is detailed at figure 7 . The passer 60 is an open guide that has the general shape of a crescent. Again it 60 comprises a body 61, made for example of plastic material, which delimits a sliding path 62 in the form of a crescent for guiding the lace 26. The sliding path 62 is open, in the sense that it allows a clearance of the lace 26 when it is relaxed, as will be seen later.

Afin de pouvoir bloquer de manière réversible une deuxième subdivision du lacet 26, l'invention prévoit que le deuxième dispositif de blocage réversible 32 est un passant bloqueur. Celui-ci, présenté plus en détail avec les figures 8 et 9, est placé à la suite des passants 37, 38, 39, du premier dispositif de blocage 31, et du passant 60 évoqué juste avant, en suivant le lacet 26 dans un sens d'éloignement de l'extrémité d'attache 27.In order to reversibly block a second subdivision of the lace 26, the invention provides that the second reversible locking device 32 is a blocking pass. This one, presented in more detail with the Figures 8 and 9 , is placed following the loops 37, 38, 39, the first locking device 31, and the passing 60 just before, following the lace 26 in a direction away from the attachment end 27.

Le deuxième dispositif de blocage réversible 32, ou passant bloqueur, est lui aussi dans l'esprit du document EP 0 848 917-B1 . A ce titre il comprend un corps 70, réalisé par exemple en matière plastique, présentant un chemin de maintien périphérique 71 qui est en forme de croissant. Ce chemin est convexe dans sa forme générale, et concave dans toute section, pour faciliter le blocage réversible du lacet 26. On observe que la majeure partie du chemin 71 présente une surface irrégulière, prévue pour coincer, c'est-à-dire en fait bloquer, le lacet 26 dans le chemin 71. Celui-ci présente par exemple des dents 72 en saillie à l'intérieur, pour coopérer avec le lacet 26. On comprendra mieux par la suite qu'une mise en place par enroulement du lacet 26 dans le chemin 71 permet son blocage réversible.The second reversible locking device 32, or blocking pass, is also in the spirit of the document EP 0 848 917-B1 . As such it comprises a body 70, made for example of plastic, having a peripheral holding path 71 which is crescent-shaped. This path is convex in its general shape, and concave in any section, to facilitate the reversible locking of the lace 26. It is observed that the majority of the path 71 has an irregular surface, designed to wedge, that is to say in is blocked, the lace 26 in the path 71. The latter has for example teeth 72 projecting therein, to cooperate with the lace 26. It will be better understood later that a setting up by winding of the lace 26 in the path 71 allows reversible blocking.

Nous sommes maintenant en mesure d'expliquer les opérations de serrage ou de desserrage de la tige 3, notamment en regard des figures 2 et 3, par le dispositif 25.We are now able to explain the operations of tightening or loosening of the rod 3, particularly with regard to figures 2 and 3 , by the device 25.

En fait l'utilisateur serre d'abord la première zone de serrage, celle pour laquelle le lacet 26 s'étend depuis l'extrémité d'attache 27 jusqu'au premier dispositif de blocage 31. Pour faciliter cette opération, l'extrémité libre 28 du lacet 26 comprend une poignée 78. Celle-ci est par exemple réalisée en matière plastique rigide, avec une forme qui permet une préhension facile. Il s'agit ici d'une forme en T. Il peut bien sûr alternativement être prévu de remplacer la poignée par une boucle, un noeud, voire de laisser l'extrémité 78 telle quelle, sans ajout ou modification.In fact the user first tightens the first clamping zone, that for which the lace 26 extends from the fastening end 27 to the first locking device 31. To facilitate this operation, the free end 28 of the lace 26 comprises a handle 78. This is for example made of rigid plastic material, with a shape that allows easy gripping. This is of course a T-shape. It may of course alternatively be provided to replace the handle with a loop, a node, or even leave the end 78 as it is, without adding or modifying.

L'extrémité 28 reste libre, malgré la présence de la poignée 78, dans le sens où sa position n'est pas figée par rapport à la tige 3.The end 28 remains free, despite the presence of the handle 78, in the sense that its position is not fixed relative to the rod 3.

On observe que pour la première forme de réalisation décrite, le premier dispositif de blocage réversible 31 est disposé sur le quartier médial 22, à l'aplomb de l'extrémité supérieure 13 de la tige 3. Le premier dispositif de blocage 31 est aussi situé à la limite de séparation des portions basse 10 et haute 11 de la tige 3. Cela amène le dispositif de blocage 31 à maintenir le serrage de la portion basse 10, notamment au-dessus du métatarse et du cou-de-pied. La mise en tension est obtenue par traction manuelle vers l'extrémité supérieure 13 et légèrement en arrière, dans l'esprit d'une traction selon la flèche F1 de la figure 6. Le maintien de la tension, c'est-à-dire le blocage du lacet 26 par le dispositif 31, est obtenu après avoir rabattu le lacet 26 selon la flèche F2 toujours de la figure 6.It is observed that for the first embodiment described, the first reversible locking device 31 is disposed on the medial quarter 22, in line with the upper end 13 of the rod 3. The first locking device 31 is also located at the separation limit of the low portion 10 and high 11 of the rod 3. This causes the locking device 31 to maintain the tightness of the lower portion 10, especially above the metatarsal and instep. The tensioning is obtained by manual pulling towards the upper end 13 and slightly behind, in the spirit of a pull along the arrow F1 of the figure 6 . Maintaining the tension, that is to say the locking of the lace 26 by the device 31, is obtained after having folded the lace 26 according to the arrow F2 always of the figure 6 .

Ensuite, en rapport avec la figure 2, l'utilisateur agit pour serrer la portion haute 11 de la tige 3. Pour ce faire il fait passer le lacet 26 dans le passant 60, puis au bord du deuxième dispositif de blocage 32. Là une traction manuelle du lacet 26 vers l'arrière, selon la flèche F3 de la figure 8, serre la portion haute 11. A nouveau en référence à la figure 2, on observe que le serrage est maintenu parce que le lacet 26 est rabattu pour être en prise avec les dents 72 du chemin 71. Après serrage, la poignée 78 est par exemple coincée de façon amovible au niveau de l'extrémité supérieure 13 de la tige 3. Pour ce faire, elle 78 peut être munie d'une patte latérale, non visible sur la figure. La longueur libre de lacet 26, qui s'étend au-delà du deuxième dispositif 32 après serrage total du dispositif 25, est plus courte qu'elle ne l'aurait été si le brin avait été en prise permanente avec tous les passants et dispositifs de blocage 31, 32. Cela facilite le rangement de la longueur libre, car son encombrement est réduit.Then, in connection with the figure 2 , the user acts to tighten the upper portion 11 of the rod 3. To do this it passes the lace 26 in the loop 60, then the edge of the second locking device 32. There a manual pull of the lace 26 to the backward, according to arrow F3 of the figure 8 , squeezes the high portion 11. Again with reference to the figure 2 it is observed that the tightening is maintained because the lace 26 is folded to engage the teeth 72 of the path 71. After tightening, the handle 78 is for example removably wedged at the upper end 13 of the rod 3. To do this, it 78 may be provided with a side tab, not visible in the figure. The lace free length 26, which extends beyond the second device 32 after total tightening of the device 25, is shorter than it would have been if the strand had been in permanent engagement with all the loops and devices. locking 31, 32. This facilitates the storage of the free length, because its size is reduced.

On observe que le deuxième dispositif de blocage réversible 32 est disposé sur le quartier médial 22, à l'aplomb de l'extrémité supérieure 13 de la tige 3. Aussi, le deuxième dispositif de blocage 32 est situé sur la portion haute 11 de la tige 3. Cet agencement permet l'obtention du serrage réversible de la portion haute 11, par traction du quartier latéral 21 dans un sens de couverture du quartier médial 22. On peut dire aussi qu'en agissant sur le lacet 26 au niveau du deuxième dispositif de blocage 32, on obtient le serrage réversible de la deuxième zone de serrage, comprise entre les premier 31 et deuxième 32 dispositifs de blocage.It is observed that the second reversible locking device 32 is disposed on the medial quarter 22, in line with the upper end 13 of the rod 3. Also, the second locking device 32 is located on the upper portion 11 of the rod 3. This arrangement makes it possible to obtain the reversible clamping of the upper portion 11, by pulling the lateral quarter 21 in a covering direction of the medial quarter 22. It can also be said that by acting on the lace 26 at the level of the second locking device 32, we obtain the reversible clamping of the second clamping zone between the first 31 and second 32 locking devices.

Lorsque le serrage de l'enveloppe 14 de la tige 3 est effectué, le quartier latéral 21 se superpose au quartier médial 22. Cela confère à l'enveloppe 14 une continuité de structure, utile pour que la chaussure 1 soit facilement introduite dans un dispositif de retenue sur une planche, dispositif qui retient la chaussure 1 à l'aide de sangles.When the tightening of the casing 14 of the rod 3 is carried out, the lateral quarter 21 is superimposed on the medial quarter 22. This confers on the casing 14 continuity of structure, useful for the shoe 1 to be easily introduced into a device retainer on a board, which device holds the boot 1 with the help of straps.

Lorsque le dispositif de serrage 25 est serré, l'extrémité d'attache 27, le premier dispositif de blocage 31, le deuxième dispositif de blocage 32 et les passants 37, 38, 39, 60 sont situés tous du côté médial 7. Cela permet de serrer la tige d'une chaussure gauche avec la main droite, ou vice versa. On peut aussi serrer une chaussure gauche avec la main gauche, ou une chaussure droite avec la main droite. On peut bien entendu utiliser une seule main pour serrer chaque tige de chaussure. Au final l'utilisateur voit les opérations de chaussage et de déchaussage, c'est-à-dire de serrage et de desserrage, simplifiées et plus rapides.When the clamping device 25 is tightened, the attachment end 27, the first locking device 31, the second locking device 32 and the loops 37, 38, 39, 60 are all located on the medial side 7. This allows to tighten the upper of a left shoe with the right hand, or vice versa. You can also tighten a left shoe with your left hand, or a right shoe with your right hand. We can of course use one hand to tighten every shoe rod. In the end the user sees the donning and loosening operations, that is to say tightening and loosening, simplified and faster.

Selon la première forme de réalisation décrite, le lacet 26 est unique. En d'autres termes la première enveloppe 14 est serrée ou desserrée à l'aide du seul lacet 26. Cet agencement confère à la première enveloppe 14 sa simplicité de structure et d'utilisation.According to the first embodiment described, the lace 26 is unique. In other words, the first envelope 14 is tightened or loosened using the single lace 26. This arrangement gives the first envelope 14 its simplicity of structure and use.

De manière non obligatoire, l'élément chaussant 1 comprend une languette 80. Celle-ci, visible sur la figure 1, s'étend selon la direction longitudinale L dans la région du dessus 12 et de l'avant de la portion haute 11, sous le quartier latéral 21. La languette 80 apporte un certain confort pour la tenue de pied.Non-obligatorily, the footwear element 1 comprises a tongue 80. This one, visible on the figure 1 extends in the longitudinal direction L in the upper region 12 and the front of the upper portion 11, under the lateral quarter 21. The tongue 80 provides a certain comfort for the foot holding.

De manière non obligatoire encore, le quartier latéral 21 présente une échancrure basse 81, située en avant de la limite entre les portions basse 10 et haute 11, ainsi qu'une échancrure haute 82, située quant à elle au-dessus de la limite entre les portions basse 10 et haute 11. Ces échancrures 81, 82 délimitent un volet avant 83, un volet central 84, et un volet arrière 85 du quartier latéral 21. Ce sont en fait les volets 83, 84, 85 qui couvrent le quartier médial 22 lorsque l'enveloppe 14 est serrée. On remarque que le volet avant 83 porte le premier passant 37, que le volet central 84 porte le troisième passant 39, et que le volet arrière 85 porte le passant 60. Cet agencement assouplit le quartier latéral 21, et contribue à un meilleur recouvrement du quartier médial 22, ainsi qu'à une meilleure efficacité de serrage.Not obligatorily yet, the lateral portion 21 has a low notch 81, located in front of the boundary between the low and high portions 11 and 11, and a notch 82, located above the boundary between the low portions 10 and 11 high. These notches 81, 82 define a front flap 83, a central flap 84, and a rear flap 85 of the lateral quarter 21. These are in fact the flaps 83, 84, 85 which cover the medial quarter 22 when the envelope 14 is tightened. Note that the front flap 83 carries the first passer 37, the central flap 84 carries the third passer 39, and the rear flap 85 carries the passer 60. This arrangement relaxes the side portion 21, and contributes to a better recovery of the medial area 22, as well as better clamping efficiency.

La deuxième forme de réalisation est maintenant présentée à l'aide de la figure 10. Pour des raisons de commodité, les éléments communs avec la première forme sont désignés par les mêmes références.The second embodiment is now presented using the figure 10 . For the sake of convenience, the elements common with the first form are designated by the same references.

On retrouve donc une chaussure 1, avec un semelage 2, une tige 3, une portion basse 10, une portion haute 11, un quartier latéral 21, un quartier médial 22, ou encore un dispositif de serrage 25.There is therefore a shoe 1, with a sole 2, a rod 3, a lower portion 10, an upper portion 11, a lateral portion 21, a medial portion 22, or a clamping device 25.

Ce qui est spécifique à la deuxième forme de réalisation, par rapport à la première, c'est la simplification du dispositif de serrage 25. Celui-ci 25 comprend toujours un lacet 26, une extrémité d'attache 27, une extrémité libre 28 munie d'une poignée 78, un premier dispositif de blocage 31, un deuxième dispositif de blocage 32, et un passant 60 disposé entre les dispositifs de blocage 31, 32. Mais le dispositif de serrage 25 comprend ici un passant 90 unique entre l'extrémité d'attache 27 et le premier dispositif de blocage 31. Cela réduit le trajet du lacet.What is specific to the second embodiment, with respect to the first, is the simplification of the clamping device 25. The latter 25 always comprises a lace 26, a fastening end 27, a free end 28 provided with a handle 78, a first locking device 31, a second locking device 32, and a passer 60 disposed between the locking devices 31, 32. But the clamping device 25 here comprises a single pass 90 between the end attachment 27 and the first locking device 31. This reduces the path of the lace.

Par corollaire, le quartier latéral 21 présente une échancrure 91, elle aussi unique, à la limite des portions basse 10 et haute 11 de l'enveloppe 14 de la tige 3. Il s'ensuit que ce quartier 21 présente un volet bas 92, destiné à couvrir le cou-de-pied, et un volet haut 93, destiné à couvrir l'avant du bas de jambe de l'utilisateur. Le volet bas 92, qui fait partie de la portion basse 10, porte le passant 90 qui succède à l'extrémité d'attache 27 le long du lacet 26. Le volet haut 93, quant à lui, porte le passant 60 situé entre les dispositifs de blocage 31, 32 le long du lacet 26.By corollary, the lateral quarter 21 has a notch 91, also unique, at the limit of the low portions 10 and 11 of the upper casing 14 of the rod 3. It follows that this quarter 21 has a bottom flap 92, intended to cover the instep, and a high flap 93, intended to cover the front of the lower leg of the user. The bottom flap 92, which is part of the lower portion 10, carries the pass 90 which succeeds the attachment end 27 along the lace 26. The high flap 93, meanwhile, carries the passer 60 located between the locking devices 31, 32 along the lace 26.

L'extrémité d'attache 27 et les dispositifs de blocage 31, 32 sont tous situés du côté médial 7, sur le quartier médial 22, à l'aplomb de l'extrémité supérieure 13. Ainsi le lacet 26 chemine le long de l'enveloppe 14 du côté médial 7.The attachment end 27 and the locking devices 31, 32 are all located on the medial side 7, on the medial quarter 22, in line with the upper end 13. Thus the lace 26 travels along the envelope 14 on the medial side 7.

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

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

En particulier, on peut prévoir de disposer le dispositif de serrage 25 sur le côté latéral 6, avec un quartier médial 22 qui se prolonge au-delà du plan longitudinal P pour couvrir le quartier latéral 21.In particular, provision can be made to arrange the clamping device 25 on the lateral side 6, with a medial area 22 which extends beyond the longitudinal plane P to cover the lateral area 21.

Claims (20)

  1. Fitting element (1) which comprises an outer bottom assembly (2) and an upper (3), the upper (3) comprising a first casing (14), the casing (14) comprising a lateral quarter (21), a medial quarter (22) and a reversible tightening device (25) for tightening the lateral quarter (21) and medial quarter (22), the tightening device (25) comprising a lace (26) which extends between an end (27) for fastening to the casing (14) and a free end (28), and a first reversible immobilizing device (31) for immobilizing the lace (26), the first immobilizing device (31) being secured to the casing (14),
    characterized in that the tightening device (25) of the fitting element (1) comprises a second reversible immobilizing device (32) for immobilizing the lace (26), secured to the casing (14) and designed to reversibly immobilize a subdivision of the lace (26) situated between the first immobilizing device (31) and the free end (28).
  2. Fitting element (1) according to Claim 1, characterized in that the first reversible immobilizing device (31) is an immobilizing keeper.
  3. Fitting element (1) according to Claim 1 or 2, characterized in that the second reversible immobilizing device (32) is an immobilizing keeper.
  4. Fitting element (1) according to one of Claims 1 to 3, characterized in that the first reversible immobilizing device (31) is placed on the medial quarter (22), level with a top end (13) of the upper (3).
  5. Fitting element (1) according to one of Claims 1 to 4, characterized in that the second reversible immobilizing device (32) is placed on the medial quarter (22), level with a top end (13) of the upper (3).
  6. Fitting element (1) according to one of Claims 1 to 5, characterized in that the tightening device (25) comprises keepers (37, 38, 39) placed between the fastening end (27) of the lace (26) and the first immobilizing device (31).
  7. Fitting element (1) according to one of Claims 1 to 6, characterized in that the tightening device (25) comprises a keeper (60) situated between the first immobilizing device (31) and the second immobilizing device (32).
  8. Fitting element (1) according to one of Claims 1 to 7, characterized in that the upper (3) comprises a bottom portion (10) and a top portion (11).
  9. Fitting element (1) according to Claim 8, characterized in that the first immobilizing device (31) is situated at the limit of separation of the bottom portion (10) and top portion (11).
  10. Fitting element (1) according to Claim 8 or 9, characterized in that the second immobilizing device (32) is situated on the top portion (11) of the upper (3).
  11. Fitting element (1) according to one of Claims 1 to 10, characterized in that the fastening end (27) of the lace (26) is situated on the medial side (7).
  12. Fitting element (1) according to one of Claims 1 to 11, characterized in that the fastening end (27) of the lace (26) is situated in front of the heel (4), at a distance of between 30 and 70% of the length of the bottom assembly (2).
  13. Fitting element (1) according to one of Claims 1 to 12, characterized in that, when the tightening device (25) is tightened, the fastening end (27), the first immobilizing device (31), the second immobilizing device (32) and the keepers (37, 38, 39, 60) are all situated on the medial side (7).
  14. Fitting element (1) according to one of Claims 8 to 13, characterized in that the medial quarter (22) extends from the outer bottom assembly (2) to the top side (12) of the upper (3) at the level of the bottom portion (10), while remaining recessed from a longitudinal plane (P) of the fitting element, the plane (P) which is median and perpendicular to the outer bottom assembly (2), and in that the medial quarter (22) remains recessed from the plane (P) at the level of the top portion (11).
  15. Fitting element (1) according to Claim 14, characterized in that the lateral quarter (21) extends from the outer bottom assembly (2) to the top side (12) of the upper (3) at the level of the bottom portion (10), going beyond the longitudinal plane (P), in order to partly cover the medial quarter (22) when the first casing (14) of the upper (3) is tightened, and in that the lateral quarter (21) also goes beyond the medial plane (P) in order to partly cover the medial quarter (22) when the first casing (14) is tightened, at the level of the top portion (11).
  16. Fitting element (1) according to one of Claims 1 to 15, characterized in that the lateral quarter (21) is superposed on the medial quarter (22).
  17. Fitting element (1) according to one of Claims 1 to 16, characterized in that it comprises a tongue (80).
  18. Fitting element (1) according to one of Claims 1 to 17, characterized in that the free end (28) of the lace (26) comprises a handle (78).
  19. Fitting element (1) according to one of Claims 1 to 18, characterized in that the lace (26) is a single lace.
  20. Fitting element (1) according to one of Claims 7 to 19, characterized in that the keeper (60) situated between the first immobilizing device (31) and the second immobilizing device (32) comprises a body (61) which delimits a sliding pathway (62), the sliding pathway (62) being open.
EP20110010306 2011-01-28 2011-12-30 Fitting element provided with an improved tightening device Not-in-force EP2481315B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1100258A FR2970847B1 (en) 2011-01-28 2011-01-28 FOOTWEAR WITH AN IMPROVED TIGHTENING DEVICE

Publications (2)

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EP2481315A1 EP2481315A1 (en) 2012-08-01
EP2481315B1 true EP2481315B1 (en) 2013-09-18

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FR (1) FR2970847B1 (en)

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Publication number Priority date Publication date Assignee Title
US10660408B2 (en) * 2018-04-06 2020-05-26 Nike, Inc. Article of footwear with closure system having a transverse flap with cables

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2757026B1 (en) 1996-12-17 1999-02-26 Salomon Sa LOCKER ASSEMBLY
US7281341B2 (en) * 2003-12-10 2007-10-16 The Burton Corporation Lace system for footwear
US20080168685A1 (en) * 2007-01-17 2008-07-17 Dc Shoes, Inc. Single lace boot with multiple compression zones

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FR2970847B1 (en) 2013-02-15
FR2970847A1 (en) 2012-08-03

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