EP1985196A1 - Clasp for fastening a shoe - Google Patents

Clasp for fastening a shoe Download PDF

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Publication number
EP1985196A1
EP1985196A1 EP08007729A EP08007729A EP1985196A1 EP 1985196 A1 EP1985196 A1 EP 1985196A1 EP 08007729 A EP08007729 A EP 08007729A EP 08007729 A EP08007729 A EP 08007729A EP 1985196 A1 EP1985196 A1 EP 1985196A1
Authority
EP
European Patent Office
Prior art keywords
lever
sheet
panels
hook according
articulation
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
EP08007729A
Other languages
German (de)
French (fr)
Other versions
EP1985196B1 (en
Inventor
Jérome Chaigne
Christophe Borlet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Salomon SAS
Original Assignee
Salomon SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Salomon SAS filed Critical Salomon SAS
Publication of EP1985196A1 publication Critical patent/EP1985196A1/en
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Publication of EP1985196B1 publication Critical patent/EP1985196B1/en
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Classifications

    • A—HUMAN NECESSITIES
    • A43—FOOTWEAR
    • A43C—FASTENINGS OR ATTACHMENTS OF FOOTWEAR; LACES IN GENERAL
    • A43C11/00—Other fastenings specially adapted for shoes
    • A43C11/14—Clamp fastenings, e.g. strap fastenings; Clamp-buckle fastenings; Fastenings with toggle levers
    • A43C11/1406—Fastenings with toggle levers; Equipment therefor
    • A43C11/142—Fastenings with toggle levers with adjustment means provided for on the shoe, e.g. rack
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/21—Strap tighteners
    • Y10T24/2102—Cam lever and loop
    • Y10T24/2142—Ski boot and garment fasteners
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/21—Strap tighteners
    • Y10T24/2143—Strap-attached folding lever
    • Y10T24/216—Ski boot and garment fasteners
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T24/00—Buckles, buttons, clasps, etc.
    • Y10T24/21—Strap tighteners
    • Y10T24/2183—Ski, boot, and shoe fasteners

Definitions

  • the invention relates to a closure hook of a sports shoe, in particular a ski boot. It also relates to a shoe equipped with at least one such closure hook.
  • hooks of the type comprising a loop and a lever mounted on a flap that cooperate with a tooth or a rack mounted on the other flap.
  • the loop is connected to the lever by a tie rod.
  • the lever is further articulated relative to a plate which is fixed on the first flap and at its free end it has a gripping area provided to be grasped by the hand by the user.
  • the lever of a closing hook is subjected to high stresses, in this case the closing force exerted in its gripping zone by the user, the resistant force that the buckle opposes to closing, and the recovery of effort between the base of the pallet and the plate.
  • the designer of a closing hook must take into account ergonomic constraints that are related to the manipulation of the lever and the uncomfortable position of the user at the time of this manipulation. It is necessary that the gripping zone of the lever has a pleasant touch and that the effort required to close the hook is relatively measured.
  • shoe manufacturers increasingly impose aesthetic constraints to integrate the hooks or hooks in the general architecture of the shoe. These constraints are expressed in terms of shapes and choice of materials specifically for the gripping area of the lever.
  • This hook comprises a plate, a lever connected to the plate by a first transverse articulation about a first axis of articulation, the lever having a gripping pallet opposite its articulation to the plate, a lever articulated lever by a second transverse articulation about a second axis of articulation located between the first articulation and the gripping pallet, a loop mounted at the other end of the tie rod.
  • the lever has a lever body which has a guide barrel for each of the hinge pins, the body is formed by a sheet of material, and the sheet is folded according to fold generating lines parallel to each hinge pins for forming the guide pins of said hinge pins.
  • the lever body is formed from a sheet of metal sheet which is folded on itself.
  • the guns for the axes of articulation are formed by a winding of the sheet around the axes in question, and not by drilling as is the case for traditional levers.
  • the lever comprises a gripping pallet which is attached to the end of the lever body.
  • the body and the pallet can in this way be made of different materials, in particular the material and shape of the pallet are now chosen for the specific function of handling the pallet.
  • the mechanical function of connection with the hull and articulation is in fact ensured mainly by the lever body.
  • a hook made in this way is solid, easy to handle, and it has a small thickness over its entire length, unlike the usual hooks whose lever is made or sheet metal, or by a molding operation, or by overmolding .
  • FIGS. 1 and 2 show a hook 1 which conventionally comprises a support plate 2, an operating lever 3, a hooking loop 4 and a tie rod 5.
  • the plate is intended to be fixed on one of the flaps of a shoe opening. Any suitable fastening means is suitable, for example screws or rivets. Possibly the position of the plate on the flap can be adjustable.
  • the lever 3 is articulated relative to the plate about an articulation axis 7, and it has a second articulation about an axis 8 for the link rod 5.
  • the two axes 7 and 8 are preferably parallel.
  • the lever has a gripping pallet 10 which extends a lever body 6 and which will be described in detail later.
  • the tie rod 5 is connected by another end to the buckle 4, which buckle is intended to be engaged in one of the entredents and held by one of the teeth of a rack which is fixed on the other flap of the shoe and which is not shown in the figures.
  • a rack can be provided a simple hooking tooth.
  • the tie rod is connected to the buckle around a hinge pin 12.
  • Other ways of connecting the hook with the buckle may also be suitable.
  • the tie could be extended by a loop made of wire which gives the loop a relative flexibility in a direction perpendicular to the surface defined by the loop.
  • the tie is adjustable in length, for example it is formed of two portions 5a and 5b which are screwed into each other so as to produce a useful length of the tie rod which is variable according to the number of steps of threading in mutual engagement.
  • the lever body 6 has in its central zone a recess 13 which extends over part of its length from the region of the hinge axis 8 to its end located on the axis 7 side. of the recess are greater than the dimensions of the tie rod to allow the tie rod to engage in the recess during the operation of the lever 3.
  • the axis 7 is in two portions 7a, 7b which are located on either side of the housing, in alignment with each other. Any suitable means is suitable for holding the two portions 7a and 7b in alignment. According to the illustrated embodiment, the portions 7a and 7b pass through the ears 2a and 2b of the plate 2, and they are guided mainly in a guide barrel of the lever body 6 formed by two portions 15a and 15b located on each side of the recess 13 in alignment with each other.
  • lever body 6 has two aligned barrel portions 16a, 16b located on each side of the recess 13, for guiding the axis 8 articulation of the tie rod. These portions are located between the barrel portions 15a, 15b and the gripping pallet 10.
  • the barrel portions 16a and 16b are substantially parallel to the portions 15a and 15b.
  • the body 6 of the lever is formed by a sheet of material which is cut and folded on itself according to two panels 6a, 6b which are superposed and shaped so as to form the guns by winding of the leaf around the axis of articulation.
  • the sheet is for example a sheet of steel or an aluminum alloy. But this is not limiting, and one could use a sheet of composite material whose resin matrix would be cooked after shaping. If the lever body is metallic, it can receive any appropriate surface treatment to improve its appearance and protect it from oxidation.
  • the figure 3 represents the lever 3 of the hook 1 in side view.
  • the lever body is made of sheet steel. It is formed of a folded sheet according to two panels 6a and 6b superimposed and assembled together.
  • the folding zone is shaped in a rounded manner 18, so as to form the barrel 15a, 15b for the axis 7.
  • each panel is shaped in a complementary rounding portion, respectively 19a, 19b, of to form the guide barrel 16a for the axis 8.
  • the rounding 18 and the rounding portions 19a, 19b are made by folding the sheet along generating lines which are parallel to the direction of the axes 7 and 8.
  • the folding generating lines are here distributed symmetrically between the two Lever body panels.
  • the shaping of the panels is carried out for example by implementing a stamping technique. Any other mode of implementation is also suitable.
  • the panels are assembled together by any suitable means, for example by means of rivets, or spot welding.
  • lever body in two superimposed panels gives it a sandwich type structure which makes the lever resistant to bending and therefore resistant to the stresses to which it is subjected during its handling.
  • the lever is manipulated by a user using a gripping pallet 10 located opposite the hinge axis 7.
  • the pallet 10 is formed by a plastic pad . This is for example a plastic material or a resin filled with fibers. Other materials are also suitable.
  • the surface of the pallet 10 is sufficient to allow manipulation of the lever with the palm of the hand, as is usually done.
  • the pallet may have a three-dimensional shape, that is to say it may have a curved shape, and / or be provided with reliefs.
  • the two panels 6a and 6b are separated from each other by two successive fold lines, 20a, 20b, 21a, 21b, respectively, and the edge of the pallet is engaged between the end tabs 22a and 22b thus formed.
  • the assembly between the lever body and the pallet has a sandwich-type structure which makes the connection very resistant to bending.
  • the pallet 10 and the tabs 22a and 22b are assembled by any appropriate means and for example by means of rivets. Other means are also suitable.
  • the figure 4 shows a lever 23 having a lever body 26 with two panels 26a and 26b.
  • the end tabs 32a and 32b of the panels are pressed against each other, and the gripping pallet 30 which has a through slot 31 is fitted on the flanges in the manner of a cap.
  • the pallet is assembled by any appropriate means, mechanical fastening, gluing, hot welding or other.
  • the Figures 5 and 6 relate to a construction variant of the hook of the invention.
  • the hook has a plate 32, a lever 33, a hooking loop 34 and a tie rod 35, with hinge pins 37 and 38.
  • the lever is constructed with a lever body 36 made with two panels 36a, 36b, and a gripping pallet 40.
  • the recess 43 extends to the end of the lever body opposite the barrel 45a, 45b for the axis 37.
  • the gun portions 45a, 45b, 46a, 46b are made by folding the sheet of the lever body not according to roundings, but according to folding edges 41a, 41b, 42a, 42b which give each gun a polygonal inner section 37a, 38a.
  • the fold lines are made parallel to the direction of the axes 37 and 38, so that the guns are formed by winding the sheet of material around the axes.
  • the pallet 40 is here perforated. It is for example made of a composite material based on carbon fibers and as such it has externally a locally contrasted gloss appearance which is related to the presence of carbon fibers on the surface. Other materials are also suitable.
  • the end of the lever body opposite to the barrel portions 45a, 45b is shaped in tabs spaced apart from each other, and between which the pallet is engaged.
  • the pallet is fixed to the body of the lever by any appropriate means, for example by means of rivets.
  • the figure 7 shows a construction variant according to which the folding generating lines of the panels 56a and 56b are not distributed symmetrically.
  • the panel 56b located on the external side does not have fold lines, against the panel 56a is bent to form the guide barrels, of which only the barrel portions 47a and 48a are visible, and a disconnection for the engagement of the gripping pallet 50.
  • the folding generating lines are mainly carried by the panel 56a.
  • the pallet 50 has a recess 51 on its outer face, which lodges the lug 53 of the upper panel. In this way the outer face of the lever has no protruding elements. A reverse arrangement can also be adopted with all the elements in relief on the outer face of the lever.
  • the fold lines for producing the two tabs between which the gripping pallet is engaged are not necessarily parallel to the generating lines of folding for the hinge pins. They can be oriented in another direction. These lines are not necessarily straight.
  • a small return spring can be provided between the lever and the plate, and / or between the lever and the tie rod so that, when the hook is closed, the different elements come in a good position which makes them easier to handle.
  • the invention also covers a sports shoe that has at least one hook according to what has been described above.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)
  • Pallets (AREA)
  • Load-Engaging Elements For Cranes (AREA)

Abstract

The hook (1) has a lever (3) connected to a supporting plate (2) around an articulation axis (7). A connection loop (5) is articulated at the lever by a transverse articulation around another articulation axis (8). An anchorage buckle (4) is mounted to an end of the loop. The lever has a lever body that has a guiding tube for each axis, and formed by a sheet iron. The sheet iron is folded along folding lines that are parallel to the articulation axis to form the tube of each axis. A put off spring is provided between the lever and plate or between the lever and the loop.

Description

L'invention concerne un crochet de fermeture d'une chaussure de sport, notamment une chaussure de ski. Elle concerne également une chaussure équipée d'au moins un tel crochet de fermeture.The invention relates to a closure hook of a sports shoe, in particular a ski boot. It also relates to a shoe equipped with at least one such closure hook.

Usuellement la coque d'une chaussure de ski est fermée par un rapprochement de deux rabats à l'aide de crochets. Parmi les crochets existants on connaît les crochets du type comprenant une boucle et un levier montés sur un rabat qui coopèrent avec une dent ou une crémaillère montée sur l'autre rabat. La boucle est reliée au levier par un tirant. Le levier est en outre articulé relativement à une platine qui est fixée sur le premier rabat et à son extrémité libre il possède une zone de préhension prévue pour être saisie par la main par l'utilisateur.Usually the hull of a ski boot is closed by bringing two flaps together with hooks. Among the existing hooks known hooks of the type comprising a loop and a lever mounted on a flap that cooperate with a tooth or a rack mounted on the other flap. The loop is connected to the lever by a tie rod. The lever is further articulated relative to a plate which is fixed on the first flap and at its free end it has a gripping area provided to be grasped by the hand by the user.

Lors de la fermeture de la chaussure, l'extrémité de la boucle est engagée dans une dent de la crémaillère, et la boucle est tirée à l'aide du levier. En phase finale de la fermeture, le levier est plaqué contre la coque de la chaussure et il retient la boucle par un effet de genouillère. Les demandes de brevet EP 1 493 347 et EP 1 369 050 décrivent de tels crochets de fermeture.When closing the shoe, the end of the buckle is engaged in a tooth of the rack, and the buckle is pulled using the lever. In the final phase of the closing, the lever is pressed against the shell of the shoe and it retains the buckle by a knee effect. Patent applications EP 1 493 347 and EP 1 369 050 describe such closing hooks.

Le levier d'un crochet de fermeture est soumis à de fortes contraintes, en l'occurrence l'effort de fermeture exercé dans sa zone de préhension par l'utilisateur, l'effort résistant que la boucle oppose à la fermeture, et la reprise d'effort entre la base de la palette et la platine.The lever of a closing hook is subjected to high stresses, in this case the closing force exerted in its gripping zone by the user, the resistant force that the buckle opposes to closing, and the recovery of effort between the base of the pallet and the plate.

De plus, les efforts à la liaison entre le levier et la boucle, et entre levier et la platine, sont transmis par des axes d'articulation transversaux. Et l'articulation entre le levier et la platine doit aussi permettre le passage du tirant de liaison pour permettre la fermeture de la genouillère. L'axe de liaison est construit en deux parties qui travaillent chacune en porte-à-faux. Ce mode de construction nécessite que le levier présente une épaisseur suffisante de matière pour le guidage de ces axes ou portions d'axe d'articulation.In addition, the forces at the connection between the lever and the loop, and between the lever and the plate, are transmitted by transverse axes of articulation. And the articulation between the lever and the plate must also allow the passage of the tie rod to allow the closure of the toggle. The link axis is built in two parts that work each cantilever. This method of construction requires that the lever has a sufficient thickness of material for guiding these axes or articulation axis portions.

En plus de contraintes mécaniques, le concepteur d'un crochet de fermeture doit tenir compte de contraintes d'ergonomie qui sont liées à la manipulation du levier et la position peu confortable de l'utilisateur au moment de cette manipulation. Il faut que la zone de préhension du levier présente un toucher agréable et que l'effort à fournir pour fermer le crochet soit relativement mesuré.In addition to mechanical constraints, the designer of a closing hook must take into account ergonomic constraints that are related to the manipulation of the lever and the uncomfortable position of the user at the time of this manipulation. It is necessary that the gripping zone of the lever has a pleasant touch and that the effort required to close the hook is relatively measured.

Enfin, les fabricants de chaussures imposent de plus en plus des contraintes d'esthétique pour intégrer le ou les crochets dans l'architecture générale de la chaussure. Ces contraintes s'expriment en termes de formes et de choix de matériaux spécialement pour la zone de préhension du levier.Finally, shoe manufacturers increasingly impose aesthetic constraints to integrate the hooks or hooks in the general architecture of the shoe. These constraints are expressed in terms of shapes and choice of materials specifically for the gripping area of the lever.

Compte tenu de cet état de la technique, il existe un besoin pour un crochet de fermeture qui est amélioré en ce qu'il ouvre au concepteur davantage de possibilités pour répondre à ces contraintes de nature différente.Given this state of the art, there is a need for a closure hook which is improved in that it opens the designer more possibilities to respond to these constraints of different nature.

Ce but et d'autres buts qui apparaîtront au cours de la description qui va suivre sont atteints par le crochet de l'invention.This and other objects which will become apparent from the following description are achieved by the hook of the invention.

Ce crochet comprend une platine, un levier relié à la platine par une première articulation transversale autour d'un premier axe d'articulation, le levier ayant une palette de préhension à l'opposé de son articulation à la platine, un tirant articulé au levier par une seconde articulation transversale autour d'un second axe d'articulation situé entre la première articulation et la palette de préhension, une boucle montée à l'autre extrémité du tirant.This hook comprises a plate, a lever connected to the plate by a first transverse articulation about a first axis of articulation, the lever having a gripping pallet opposite its articulation to the plate, a lever articulated lever by a second transverse articulation about a second axis of articulation located between the first articulation and the gripping pallet, a loop mounted at the other end of the tie rod.

Selon l'invention, le levier présente un corps de levier qui possède un canon de guidage pour chacun des axes d'articulation, le corps est formé par une feuille de matière, et la feuille est pliée selon des lignes génératrices de pliage parallèles à chacun des axes d'articulation pour former les canons de guidage desdits axes d'articulation.According to the invention, the lever has a lever body which has a guide barrel for each of the hinge pins, the body is formed by a sheet of material, and the sheet is folded according to fold generating lines parallel to each hinge pins for forming the guide pins of said hinge pins.

Notamment, le corps de levier est formé à partir d'une feuille de tôle qui est repliée sur elle-même. Les canons pour les axes d'articulation sont formés par un enroulement de la tôle autour des axes en question, et non par un perçage comme c'est le cas pour des leviers traditionnels.In particular, the lever body is formed from a sheet of metal sheet which is folded on itself. The guns for the axes of articulation are formed by a winding of the sheet around the axes in question, and not by drilling as is the case for traditional levers.

Selon une autre caractéristique de l'invention, le levier comprend une palette de préhension qui est rapportée à l'extrémité du corps de levier. Le corps et la palette peuvent de cette façon être réalisés dans des matières différentes, en particulier la matière et la forme de la palette sont désormais choisies pour la fonction spécifique de manipulation de la palette. La fonction mécanique de liaison avec la coque et d'articulation est en effet assurée principalement par le corps de levier.According to another characteristic of the invention, the lever comprises a gripping pallet which is attached to the end of the lever body. The body and the pallet can in this way be made of different materials, in particular the material and shape of the pallet are now chosen for the specific function of handling the pallet. The mechanical function of connection with the hull and articulation is in fact ensured mainly by the lever body.

Un crochet réalisé de cette façon est solide, facile à manipuler, et il présente une faible épaisseur sur toute sa longueur, contrairement aux crochets usuels dont le levier est réalisé ou bien en tôle, ou bien par une opération de moulage, ou encore par surmoulage.A hook made in this way is solid, easy to handle, and it has a small thickness over its entire length, unlike the usual hooks whose lever is made or sheet metal, or by a molding operation, or by overmolding .

L'invention sera mieux comprise en se référant à la description ci-dessous et aux dessins en annexe qui lui sont attachés.

  • La figure 1 montre en vue de dessus un crochet selon un premier mode de mise en oeuvre de l'invention.
  • La figure 2 montre le crochet de la figure 1 en vue de côté.
  • La figure 3 montre plus particulièrement le levier du dispositif des figures 1 et 2.
  • La figure 4 est relative à une variante de construction.
  • La figure 5 montre un levier selon un autre mode de mise en oeuvre de l'invention.
  • La figure 6 est une vue de côté du levier de la figure 5.
  • La figure 7 montre une variante de construction du levier.
The invention will be better understood by referring to the description below and attached drawings attached thereto.
  • The figure 1 shows in top view a hook according to a first embodiment of the invention.
  • The figure 2 shows the hook of the figure 1 in side view.
  • The figure 3 shows in particular the lever of the device of Figures 1 and 2 .
  • The figure 4 is relative to a construction variant.
  • The figure 5 shows a lever according to another embodiment of the invention.
  • The figure 6 is a side view of the lever of the figure 5 .
  • The figure 7 shows a construction variant of the lever.

Les figures 1 et 2 montrent un crochet 1 qui comprend de façon classique une platine de support 2, un levier de manoeuvre 3, une boucle d'accrochage 4 et un tirant de liaison 5.The Figures 1 and 2 show a hook 1 which conventionally comprises a support plate 2, an operating lever 3, a hooking loop 4 and a tie rod 5.

La platine est prévue pour être fixée sur l'un des rabats d'une ouverture de chaussure. Tout moyen de fixation approprié convient, par exemple des vis ou des rivets. Eventuellement la position de la platine sur le rabat peut être ajustable.The plate is intended to be fixed on one of the flaps of a shoe opening. Any suitable fastening means is suitable, for example screws or rivets. Possibly the position of the plate on the flap can be adjustable.

Le levier 3 est articulé relativement à la platine autour d'un axe d'articulation 7, et il présente une seconde articulation autour d'un axe 8 pour le tirant de liaison 5. Les deux axes 7 et 8 sont de préférence parallèles. Au-delà de l'axe d'articulation 8, le levier présente une palette de préhension 10 qui prolonge un corps de levier 6 et qui sera décrite en détail ultérieurement.The lever 3 is articulated relative to the plate about an articulation axis 7, and it has a second articulation about an axis 8 for the link rod 5. The two axes 7 and 8 are preferably parallel. Beyond the hinge axis 8, the lever has a gripping pallet 10 which extends a lever body 6 and which will be described in detail later.

Le tirant 5 est relié par une autre extrémité à la boucle 4, laquelle boucle est prévue pour être engagée dans l'un des entredents et retenue par l'une des dents d'une crémaillère qui est fixée sur l'autre rabat de la chaussure et qui n'est pas représentée dans les figures. Au lieu d'une crémaillère on peut prévoir une simple dent d'accrochage. Le tirant est relié à la boucle autour d'un axe d'articulation 12. D'autres moyens de liaison du crochet avec la boucle peuvent également convenir. Notamment, le tirant pourrait être prolongé par une boucle réalisée en fil qui donne à la boucle une flexibilité relative dans une direction perpendiculaire à la surface définie par la boucle.The tie rod 5 is connected by another end to the buckle 4, which buckle is intended to be engaged in one of the entredents and held by one of the teeth of a rack which is fixed on the other flap of the shoe and which is not shown in the figures. Instead of a rack can be provided a simple hooking tooth. The tie rod is connected to the buckle around a hinge pin 12. Other ways of connecting the hook with the buckle may also be suitable. In particular, the tie could be extended by a loop made of wire which gives the loop a relative flexibility in a direction perpendicular to the surface defined by the loop.

De préférence, le tirant est réglable en longueur, par exemple il est formé de deux portions 5a et 5b qui sont vissées l'une dans l'autre de façon à produire une longueur utile du tirant qui est variable en fonction du nombre de pas de filetage en engagement mutuel.Preferably, the tie is adjustable in length, for example it is formed of two portions 5a and 5b which are screwed into each other so as to produce a useful length of the tie rod which is variable according to the number of steps of threading in mutual engagement.

Le corps de levier 6 présente dans sa zone médiane un évidement 13 qui s'étend sur une partie de sa longueur depuis la zone de l'axe d'articulation 8 jusqu'à son extrémité située du côté de l'axe 7. Les dimensions de l'évidement sont supérieures aux dimensions du tirant pour permettre au tirant de s'engager dans l'évidement lors de la manoeuvre du levier 3.The lever body 6 has in its central zone a recess 13 which extends over part of its length from the region of the hinge axis 8 to its end located on the axis 7 side. of the recess are greater than the dimensions of the tie rod to allow the tie rod to engage in the recess during the operation of the lever 3.

Pour laisser le libre engagement du tirant 5 dans l'évidement 13, l'axe 7 est en deux portions 7a, 7b qui sont situées de part et d'autre du logement, dans l'alignement l'une de l'autre. Tout moyen approprié convient pour maintenir les deux portions 7a et 7b en alignement. Selon le mode de réalisation illustré, les portions 7a et 7b traversent des oreilles 2a et 2b de la platine 2, et elles sont guidées principalement dans un canon de guidage du corps de levier 6 formé par deux portions 15a et 15b situées de chaque côté de l'évidement 13 dans l'alignement l'une de l'autre.To allow free engagement of the tie rod 5 in the recess 13, the axis 7 is in two portions 7a, 7b which are located on either side of the housing, in alignment with each other. Any suitable means is suitable for holding the two portions 7a and 7b in alignment. According to the illustrated embodiment, the portions 7a and 7b pass through the ears 2a and 2b of the plate 2, and they are guided mainly in a guide barrel of the lever body 6 formed by two portions 15a and 15b located on each side of the recess 13 in alignment with each other.

Egalement le corps de levier 6 présente deux portions de canon alignées 16a, 16b situées de chaque côté de l'évidement 13, pour le guidage de l'axe 8 d'articulation du tirant. Ces portions sont situées entre les portions de canon 15a, 15b et la palette de préhension 10.Also the lever body 6 has two aligned barrel portions 16a, 16b located on each side of the recess 13, for guiding the axis 8 articulation of the tie rod. These portions are located between the barrel portions 15a, 15b and the gripping pallet 10.

Les portions de canons 16a et 16b sont sensiblement parallèles aux portions 15a et 15b.The barrel portions 16a and 16b are substantially parallel to the portions 15a and 15b.

Selon une caractéristique de l'invention, le corps 6 du levier est formé par une feuille de matière qui est découpée et repliée sur elle-même selon deux panneaux 6a, 6b qui sont superposés et mis en forme de façon à former les canons par enroulement de la feuille autour de l'axe d'articulation. La feuille est par exemple une tôle d'acier ou d'un alliage d'aluminium. Mais ce n'est pas limitatif, et l'on pourrait utiliser une feuille en matière composite dont la matrice de résine serait cuite après mise en forme. Si le corps de levier est métallique, il peut recevoir tout traitement approprié de surface pour améliorer son aspect et le protéger de l'oxydation.According to a characteristic of the invention, the body 6 of the lever is formed by a sheet of material which is cut and folded on itself according to two panels 6a, 6b which are superposed and shaped so as to form the guns by winding of the leaf around the axis of articulation. The sheet is for example a sheet of steel or an aluminum alloy. But this is not limiting, and one could use a sheet of composite material whose resin matrix would be cooked after shaping. If the lever body is metallic, it can receive any appropriate surface treatment to improve its appearance and protect it from oxidation.

La figure 3 représente le levier 3 du crochet 1 en vue de côté. Le corps de levier est réalisé en tôle d'acier. Il est formé d'une feuille repliée selon deux panneaux 6a et 6b superposés et assemblés entre eux. La zone de pliage est mise en forme selon un arrondi 18, de façon à former le canon 15a, 15b pour l'axe 7. Egalement, chaque panneau est mis en forme selon une portion d'arrondi complémentaire, respectivement 19a, 19b, de façon à former le canon de guidage 16a pour l'axe 8.The figure 3 represents the lever 3 of the hook 1 in side view. The lever body is made of sheet steel. It is formed of a folded sheet according to two panels 6a and 6b superimposed and assembled together. The folding zone is shaped in a rounded manner 18, so as to form the barrel 15a, 15b for the axis 7. Also, each panel is shaped in a complementary rounding portion, respectively 19a, 19b, of to form the guide barrel 16a for the axis 8.

L'arrondi 18 et les portions d'arrondi 19a, 19b sont réalisés par pliage de la feuille selon des lignes génératrices qui sont parallèles à la direction des axes 7 et 8. Les lignes génératrices de pliage sont ici réparties de façon symétrique entre les deux panneaux du corps de levier. Ainsi, lorsque le crochet est assemblé, chacun des axes d'articulation est entouré seulement par une épaisseur de matière de la feuille. Le corps de levier présente de ce fait une épaisseur particulièrement faible. Il est donc possible de rapprocher l'axe 7 de la platine et donc de construire un crochet plus compact que les crochets existants.The rounding 18 and the rounding portions 19a, 19b are made by folding the sheet along generating lines which are parallel to the direction of the axes 7 and 8. The folding generating lines are here distributed symmetrically between the two Lever body panels. Thus, when the hook is assembled, each of the hinge pins is surrounded only by a material thickness of the sheet. The lever body therefore has a particularly low thickness. It is therefore possible to bring the axis 7 of the plate and thus to build a hook more compact than the existing hooks.

La mise en forme des panneaux est réalisée par exemple en mettant en oeuvre une technique de matriçage. Tout autre mode de mise en oeuvre convient également.The shaping of the panels is carried out for example by implementing a stamping technique. Any other mode of implementation is also suitable.

Les panneaux sont assemblés entre eux par tout moyen approprié, par exemple au moyen de rivets, ou d'une soudure par points.The panels are assembled together by any suitable means, for example by means of rivets, or spot welding.

La construction du corps de levier en deux panneaux superposés lui donne une structure de type sandwich qui rend le levier résistant à la flexion et donc résistant aux sollicitations auxquelles il est soumis lors de sa manipulation.The construction of the lever body in two superimposed panels gives it a sandwich type structure which makes the lever resistant to bending and therefore resistant to the stresses to which it is subjected during its handling.

On peut prévoir de renforcer la résistance à la flexion du levier par tout moyen approprié, et notamment par des nervures de renfort obtenues par déformation locale d'un ou des deux panneaux, ainsi que cela se pratique couramment en tôlerie.It is possible to increase the bending resistance of the lever by any appropriate means, and in particular by reinforcing ribs obtained by deformation. local one or both panels, as is commonly done in sheet metal.

Le levier est manipulé par un utilisateur à l'aide d'une palette de préhension 10 située à l'opposé de l'axe d'articulation 7. Selon le mode de réalisation illustré, la palette 10 est formée par une pastille en matière synthétique. Il s'agit par exemple d'une matière plastique ou d'une résine chargée de fibres. D'autres matières conviennent également.The lever is manipulated by a user using a gripping pallet 10 located opposite the hinge axis 7. According to the illustrated embodiment, the pallet 10 is formed by a plastic pad . This is for example a plastic material or a resin filled with fibers. Other materials are also suitable.

La surface de la palette 10 est suffisante pour permettre la manipulation du levier à l'aide de la paume de la main, comme cela est effectué d'habitude. La palette peut avoir une forme en trois dimensions, c'est à dire qu'elle peut présenter une forme incurvée, et/ou être pourvue de reliefs.The surface of the pallet 10 is sufficient to allow manipulation of the lever with the palm of the hand, as is usually done. The pallet may have a three-dimensional shape, that is to say it may have a curved shape, and / or be provided with reliefs.

Selon le mode de réalisation illustré, à l'extrémité du corps de levier, les deux panneaux 6a et 6b sont écartés l'un de l'autre par deux lignes de pliage successives, 20a, 20b, 21 a, 21 b, respectivement, et le bord de la palette est engagé entre les pattes d'extrémité 22a et 22b ainsi formées. L'assemblage entre le corps de levier et la palette présente une structure de type sandwich qui rend la liaison très résistante à la flexion.According to the illustrated embodiment, at the end of the lever body, the two panels 6a and 6b are separated from each other by two successive fold lines, 20a, 20b, 21a, 21b, respectively, and the edge of the pallet is engaged between the end tabs 22a and 22b thus formed. The assembly between the lever body and the pallet has a sandwich-type structure which makes the connection very resistant to bending.

La palette 10 et les pattes 22a et 22b sont assemblées par tout moyen approprié et par exemple au moyen de rivets. D'autres moyens conviennent également.The pallet 10 and the tabs 22a and 22b are assembled by any appropriate means and for example by means of rivets. Other means are also suitable.

En variante, la figure 4 montre un levier 23 ayant un corps de levier 26 avec deux panneaux 26a et 26b. Les pattes d'extrémité 32a et 32b des panneaux sont plaquées l'une sur l'autre, et la palette de préhension 30 qui présente un logement débouchant 31 est emmanchée sur les rebords à la manière d'un capuchon. La palette est assemblée par tout moyen approprié, accrochage mécanique, collage, soudure à chaud ou autre encore.Alternatively, the figure 4 shows a lever 23 having a lever body 26 with two panels 26a and 26b. The end tabs 32a and 32b of the panels are pressed against each other, and the gripping pallet 30 which has a through slot 31 is fitted on the flanges in the manner of a cap. The pallet is assembled by any appropriate means, mechanical fastening, gluing, hot welding or other.

Ces modes de construction du levier permettent de choisir des matières différentes pour le corps de levier et la palette de préhension, et donc il offre au constructeur tout un éventail de possibilités pour jouer sur les propriétés mécaniques et esthétiques de la palette de préhension tout en ayant en final un levier très fin en épaisseur.These modes of construction of the lever allow to choose different materials for the lever body and the pallet of grip, and thus it offers the manufacturer a whole range of possibilities to play on the mechanical and aesthetic properties of the pallet of prehension while having finally a very thin lever in thickness.

Les figures 5 et 6 sont relatives à une variante de construction du crochet de l'invention.The Figures 5 and 6 relate to a construction variant of the hook of the invention.

Comme précédemment, le crochet présente une platine 32, un levier 33, une boucle d'accrochage 34 et un tirant de liaison 35, avec des axes d'articulation 37 et 38.As before, the hook has a plate 32, a lever 33, a hooking loop 34 and a tie rod 35, with hinge pins 37 and 38.

Le levier est construit avec un corps de levier 36 réalisé à l'aide de deux panneaux 36a, 36b, et une palette de préhension 40.The lever is constructed with a lever body 36 made with two panels 36a, 36b, and a gripping pallet 40.

Sur le côté qui est visible dans la figure 5, l'évidement 43 s'étend jusqu'à l'extrémité du corps de levier opposée au canon 45a, 45b pour l'axe 37.On the side that is visible in the figure 5 , the recess 43 extends to the end of the lever body opposite the barrel 45a, 45b for the axis 37.

Ainsi que cela est plus particulièrement visible dans la figure 6, les portions de canons 45a, 45b, 46a, 46b sont réalisées par pliage de la feuille du corps de levier non pas selon des arrondis, mais selon des arêtes de pliage 41 a, 41 b, 42a, 42b qui donnent à chaque canon une section interne polygonale 37a, 38a. Les lignes de pliage sont réalisées parallèlement à la direction des axes 37 et 38, si bien que les canons sont formés par enroulement de la feuille de matière autour des axes.As this is particularly visible in the figure 6 , the gun portions 45a, 45b, 46a, 46b are made by folding the sheet of the lever body not according to roundings, but according to folding edges 41a, 41b, 42a, 42b which give each gun a polygonal inner section 37a, 38a. The fold lines are made parallel to the direction of the axes 37 and 38, so that the guns are formed by winding the sheet of material around the axes.

La palette 40 est ici ajourée. Elle est par exemple réalisée dans une matière composite à base de fibres de carbone et à ce titre elle présente extérieurement un aspect de brillance localement contrastée qui est lié à la présence des fibres de carbone en surface. D'autres matières conviennent également.The pallet 40 is here perforated. It is for example made of a composite material based on carbon fibers and as such it has externally a locally contrasted gloss appearance which is related to the presence of carbon fibers on the surface. Other materials are also suitable.

Comme précédemment, l'extrémité du corps de levier opposée aux portions de canon 45a, 45b est mise en forme selon des pattes écartées l'une de l'autre, et entre lesquelles la palette de préhension est engagée. La palette est fixée au corps du levier par tout moyen approprié, et par exemple au moyens de rivets.As before, the end of the lever body opposite to the barrel portions 45a, 45b is shaped in tabs spaced apart from each other, and between which the pallet is engaged. The pallet is fixed to the body of the lever by any appropriate means, for example by means of rivets.

La figure 7 montre une variante de construction selon laquelle les lignes génératrices de pliage des panneaux 56a et 56b ne sont pas réparties façon symétrique. Selon le mode de réalisation représenté, le panneau 56b situé du côté externe ne présente pas de lignes de pliage, par contre le panneau 56a est plié pour former les canons de guidage, dont seules les portions de canon 47a et 48a sont visibles, et un décochement pour l'engagement de la palette de préhension 50. Ainsi, les lignes génératrices de pliage sont principalement portées par le panneau 56a.The figure 7 shows a construction variant according to which the folding generating lines of the panels 56a and 56b are not distributed symmetrically. According to the embodiment shown, the panel 56b located on the external side does not have fold lines, against the panel 56a is bent to form the guide barrels, of which only the barrel portions 47a and 48a are visible, and a disconnection for the engagement of the gripping pallet 50. Thus, the folding generating lines are mainly carried by the panel 56a.

La palette 50 présente quant à elle un évidement 51 à sa face externe, où se loge la patte 53 du panneau supérieur. De cette façon la face externe du levier n'a pas d'éléments en saillie. Une disposition inverse peut également être adoptée avec tous les éléments en relief à la face externe du levier.The pallet 50 has a recess 51 on its outer face, which lodges the lug 53 of the upper panel. In this way the outer face of the lever has no protruding elements. A reverse arrangement can also be adopted with all the elements in relief on the outer face of the lever.

Naturellement la présente description est donnée uniquement à titre indicatif et l'on pourrait adopter d'autres mises en oeuvre de l'invention sans pour autant sortir du cadre de celle-ci.Naturally, the present description is given for information only and other implementations of the invention could be adopted without departing from the scope thereof.

En particulier, les lignes de pliages pour réaliser les deux pattes entre lesquelles la palette de préhension est engagée ne sont pas nécessairement parallèles aux lignes génératrices de pliage pour les axes d'articulation. Elles peuvent être orientées selon une autre direction. Ces lignes ne sont pas non plus nécessairement rectilignes.In particular, the fold lines for producing the two tabs between which the gripping pallet is engaged are not necessarily parallel to the generating lines of folding for the hinge pins. They can be oriented in another direction. These lines are not necessarily straight.

On peut prévoir un petit ressort de rappel entre le levier et la platine, et/ou entre le levier et le tirant pour qu'à la fermeture du crochet les différents éléments se présentent dans une bonne position qui rend plus facile leur manipulation.A small return spring can be provided between the lever and the plate, and / or between the lever and the tie rod so that, when the hook is closed, the different elements come in a good position which makes them easier to handle.

Egalement on pourrait construire un levier en empruntant aux différents modes de réalisation qui ont été décrits des spécificités de construction et en les associant.Also one could build a lever by borrowing from the various embodiments that have been described construction specificities and associating them.

L'invention couvre également une chaussure de sport qui présente au moins un crochet conforme à ce qui a été décrit précédemment.The invention also covers a sports shoe that has at least one hook according to what has been described above.

Claims (11)

Crochet de fermeture d'une chaussure de sport par rapprochement de deux rabats, comprenant une platine (2, 32), un levier (3, 33), relié à la platine par une première articulation transversale autour d'un axe d'articulation (7, 7a, 7b, 37), le levier ayant une palette de préhension (10, 30, 40, 50) à l'opposé de son articulation à la platine, un tirant (5, 35) articulé au levier par une seconde articulation transversale autour d'un second axe d'articulation (8, 38) situé entre la première articulation et la palette de préhension, une boucle (4, 34) montée à l'autre extrémité du tirant, caractérisé par le fait que le levier présente un corps de levier (6, 26, 36, 46) qui possède un canon de guidage (15a, 15b, 16a, 16b, 45a, 45b, 48a, 48b) pour chacun des axes d'articulation, que le corps de levier (6, 26, 36, 46) est formé par une feuille de matière, et que la feuille est pliée selon des lignes génératrices de pliage parallèles à chacun des axes d'articulation (7, 7a, 7b, 8, 37, 38) pour former les canons de guidage des dits axes d'articulation.Closure hook of a sports shoe by bringing together two flaps, comprising a plate (2, 32), a lever (3, 33), connected to the plate by a first transverse articulation about an axis of articulation ( 7, 7a, 7b, 37), the lever having a gripping paddle (10, 30, 40, 50) opposite its articulation to the plate, a tie rod (5, 35) articulated to the lever by a second articulation transverse around a second hinge axis (8, 38) located between the first articulation and the gripping pallet, a loop (4, 34) mounted at the other end of the tie rod, characterized in that the lever a lever body (6, 26, 36, 46) which has a guide bush (15a, 15b, 16a, 16b, 45a, 45b, 48a, 48b) for each of the hinge pins, that the lever body ( 6, 26, 36, 46) is formed by a sheet of material, and that the sheet is folded along fold generating lines parallel to each of the hinge pins (7, 7a, 7b, 8, 37, 38) to form the guide barrels of said hinge pins. Crochet selon la revendication 1, caractérisé par le fait que la feuille est pliée selon des arrondis (18, 19a, 19b).Hook according to claim 1, characterized in that the sheet is folded into rounded shapes (18, 19a, 19b). Crochet selon la revendication 1, caractérisé par le fait que la feuille est pliée selon des arêtes de pliage (41a, 41b, 42a, 42b).Hook according to claim 1, characterized in that the sheet is folded along folding edges (41a, 41b, 42a, 42b). Crochet selon la revendication 1, caractérisé par le fait que la feuille est pliée selon deux panneaux (6a, 6b) qui sont superposés et assemblés entre eux à l'aide de rivets.Hook according to claim 1, characterized in that the sheet is folded into two panels (6a, 6b) which are superposed and assembled together by means of rivets. Crochet selon la revendication 1, caractérisé par le fait que la feuille est pliée selon deux panneaux (6a, 6b) qui sont superposés et assemblés entre eux à l'aide de soudure par points.Hook according to claim 1, characterized in that the sheet is folded into two panels (6a, 6b) which are superimposed and assembled together by spot welding. Crochet selon la revendication 1, caractérisé par le fait que la feuille est pliée selon deux panneaux (6a, 6b, 26a, 26b, 36a, 36b) qui sont superposés et que les lignes génératrices de pliage (18, 19a, 19b, 41 a, 42a, 41b, 42b) sont réparties de façon symétrique sur les deux panneaux.Hook according to Claim 1, characterized in that the sheet is folded in two superposed panels (6a, 6b, 26a, 26b, 36a, 36b) and the folding generating lines (18, 19a, 19b, 41b , 42a, 41b, 42b) are symmetrically distributed on both panels. Crochet selon la revendication 1, caractérisé par le fait que la feuille est pliée selon deux panneaux (46a, 46b) qui sont superposés et que les lignes génératrices de pliage sont principalement portées par l'un (46a) des panneaux.Hook according to claim 1, characterized in that the sheet is folded in two panels (46a, 46b) which are superimposed and that the fold generating lines are mainly carried by one (46a) panels. Crochet selon la revendication 1, caractérisé par le fait que la feuille est pliée selon deux panneaux (6a, 6b) qui sont superposés et dont les extrémités sont écartées l'une de l'autre pour former des pattes (22a, 22b, 53) entre lesquelles est engagée une palette de préhension (20 30, 40, 50).Hook according to claim 1, characterized in that the sheet is folded in two panels (6a, 6b) which are superimposed and whose ends are spaced from each other to form tabs (22a, 22b, 53) between which is engaged a gripping pallet (20 30, 40, 50). Crochet selon la revendication 8, caractérisé par le fait que le corps de levier (6) est réalisé en métal et que la palette de préhension (20 30, 40, 50) est dans une matière synthétique.Hook according to claim 8, characterized in that the lever body (6) is made of metal and the gripping pallet (20, 30, 40, 50) is made of a synthetic material. Crochet selon la revendication 8, caractérisé par le fait que la palette (50) est ajourée.Hook according to claim 8, characterized in that the pallet (50) is perforated. Chaussure de sport, caractérisée par le fait qu'elle présente au moins un crochet selon l'une quelconque des revendications précédentes.Sports shoe, characterized in that it has at least one hook according to any one of the preceding claims.
EP08007729A 2007-04-27 2008-04-22 Clasp for fastening a shoe Not-in-force EP1985196B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0703120A FR2915353B1 (en) 2007-04-27 2007-04-27 CLOSURE HOOK OF A SHOE

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EP1985196A1 true EP1985196A1 (en) 2008-10-29
EP1985196B1 EP1985196B1 (en) 2011-09-28

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EP08007729A Not-in-force EP1985196B1 (en) 2007-04-27 2008-04-22 Clasp for fastening a shoe

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US (1) US7987562B2 (en)
EP (1) EP1985196B1 (en)
AT (1) ATE525928T1 (en)
DE (1) DE202008016679U1 (en)
FR (1) FR2915353B1 (en)

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ITTV20100023A1 (en) * 2010-02-25 2011-08-26 O L M Srl LEVER FOR A CLOSING HOOK FOR SPORTS SHOES.
ITUA20164063A1 (en) * 2016-06-01 2017-12-01 Tecnica Group Spa Closing device for a sports shoe

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AT513839B1 (en) * 2013-08-30 2014-08-15 Atomic Austria Gmbh Skischuhschnalle to close the shell of a ski boot and equipped with ski boot
ITUB20154702A1 (en) * 2015-10-15 2017-04-15 Tecnica Group Spa Anchor plate for closing device for a sports shoe
US10959494B2 (en) * 2018-08-16 2021-03-30 D&J Innovations, Llc Portable ratchet footwear tightening system

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FR788580A (en) * 1934-04-09 1935-10-12 Fastening device for straps, straps, etc.
FR1395510A (en) * 1962-03-26 1965-04-16 Buckle closure
US3654670A (en) 1970-03-03 1972-04-11 Loris Baso Buckle attached to ski boot
US3818547A (en) 1972-11-09 1974-06-25 L Baso Tensioning lever buckle, particularly for plastic ski boots
CA1136406A (en) * 1980-10-01 1982-11-30 Daoust Lalonde Inc. Clamping system for ice skates
EP1369050A1 (en) 2002-06-03 2003-12-10 Lange International S.A. Device for sport shoe
EP1493347A1 (en) 2003-07-03 2005-01-05 Head Technology GmbH Lever particularly for sports shoes
DE202006018199U1 (en) 2006-11-29 2007-02-01 W.F. Kaiser U. Co. Gmbh Circular cake baking form has circular base with two-part conical sidewalls linked by hinge and spring clip

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Publication number Priority date Publication date Assignee Title
ITTV20100023A1 (en) * 2010-02-25 2011-08-26 O L M Srl LEVER FOR A CLOSING HOOK FOR SPORTS SHOES.
ITUA20164063A1 (en) * 2016-06-01 2017-12-01 Tecnica Group Spa Closing device for a sports shoe
EP3251537A1 (en) 2016-06-01 2017-12-06 Tecnica Group S.p.A. Closure device for a sports footwear

Also Published As

Publication number Publication date
US7987562B2 (en) 2011-08-02
EP1985196B1 (en) 2011-09-28
ATE525928T1 (en) 2011-10-15
FR2915353A1 (en) 2008-10-31
FR2915353B1 (en) 2009-07-17
US20080263901A1 (en) 2008-10-30
DE202008016679U1 (en) 2009-02-26

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