EP3138432A1 - Dispositif de fermeture a genouillere pour chaussures, en particulier chaussures de ski ou de snowboard - Google Patents

Dispositif de fermeture a genouillere pour chaussures, en particulier chaussures de ski ou de snowboard Download PDF

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Publication number
EP3138432A1
EP3138432A1 EP15183659.0A EP15183659A EP3138432A1 EP 3138432 A1 EP3138432 A1 EP 3138432A1 EP 15183659 A EP15183659 A EP 15183659A EP 3138432 A1 EP3138432 A1 EP 3138432A1
Authority
EP
European Patent Office
Prior art keywords
hook
eccentric
clamping device
slide part
eccentric module
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
EP15183659.0A
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German (de)
English (en)
Other versions
EP3138432B1 (fr
Inventor
Enrico Maraffio
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.)
Gudo AG
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Gudo AG
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Filing date
Publication date
Application filed by Gudo AG filed Critical Gudo AG
Priority to EP15183659.0A priority Critical patent/EP3138432B1/fr
Publication of EP3138432A1 publication Critical patent/EP3138432A1/fr
Application granted granted Critical
Publication of EP3138432B1 publication Critical patent/EP3138432B1/fr
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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
    • A43C11/1426—Fastenings with toggle levers with adjustment means provided for on the shoe, e.g. rack characterised by the attachment of the rack to the footwear

Definitions

  • the invention relates to a clamping device for shoes, especially ski or snowboard boots according to the preamble of claim 1.
  • Clamping devices for ski or snowboard boots are well known from the prior art, via which the flaps of a ski or snowboard boot can be connected to each other and clamped to each other.
  • tension lock devices are usually also referred to as buckles of a ski or snowboard boot.
  • Spannver gleichvorraumen in Rollerblades, mountain boots, work shoes and / or skates application.
  • Boot fastening devices usually comprise at least one tensioning lever and an elongate pulling device, which are preferably connected to one another in an articulated manner, wherein the tensioning lever is articulated on a carrier part which is intended for connection to the shoe.
  • the preferably adjustable length pulling device can be brought to tension.
  • such clamping devices have in addition to a coarse adjustment and a fine adjustment of the length of the elongated pulling device.
  • fine adjustment devices are already known, in which the fine adjustment via threaded or gear-like arrangements and / or a grid adjustment takes place.
  • fine adjustment devices are known from the prior art, which allow the fine adjustment by means of an eccentric or by means of a Exzenterverstell Surprise.
  • this describes WO 92/03071 A1 a buckle for shoes with a first and a second tension member and a tensioning lever, wherein the second tension member or the tensioning lever are connected via an eccentric to the shoe.
  • a bearing axis of the eccentric is displaceable in the longitudinal and transverse direction of the tension members, so that a fine adjustment of the length of the tension buckle is made possible by rotation of the eccentric.
  • the eccentric is designed as a tooth plate and is clamped by a tendon against the shoe. The teeth of the tooth plate lie on the shoe and the eccentric is determined by pressing against the surface of the shoe, wherein the teeth of the tooth plate interact with the surface of the shoe.
  • a disadvantage here the occurring stress and wear of the surface material of the shoes are considered.
  • the EP 1 300 092 B1 further discloses a shoe with a closing device consisting of two parts hooked together, at least one of the two parts having an annular portion and being mounted on the shoe by means of a disc engaging in the ring of the annular portion.
  • the disc is rotatably and eccentrically mounted on a rivet connecting the disc with the shoe and is received in the circular ring of the annular portion of the one part of the closure device, the disc being completely surrounded by the annular portion and a surface of the disc on a surface the annular portion abuts.
  • the occurring frictional forces between the abutting surfaces counteract an unintentional rotation of the disc.
  • the disc has a non-circular hole for insertion of a corresponding tool, over which the disc can be rotated.
  • the locking device of the WO2014 / 082891 A1 has a tensioning lever and a pulling device, wherein the pulling device can be designed in several parts and preferably has a hook pivoting part and a hook sliding part cooperating with the hook pivoting part.
  • the Hakenschieberteil is operatively connected to the Exzenterverstell pain, wherein the ExzenterverstellISS has an eccentric module, which has a slotted guide with a guideway for engagement of a guide web of the hook slide part on the underside. A rotation of the eccentric module is thereby converted into a longitudinal movement of the pulling device, whereby the clamping force of the clamping device can be fine-regulated.
  • Object of the present invention is therefore to provide a clamping device for shoes, especially ski and / or snowboard shoes available, which is simple and inexpensive to produce and by means of simple handling allows a precise, preferably stepless adjustment of the length of the clamping device.
  • This object is achieved by the device according to independent claim 1. Further advantageous aspects, details and embodiments of the invention will become apparent from the dependent claims, the description and the drawings.
  • the present invention provides a tension closure device for shoes, in particular for ski or snowboard shoes, which comprises at least one tensioning lever hinged to the shoe and a pulling device, wherein the pulling device at least one hook pivoting part and one with the hook pivoting part having cooperating hook sliding part.
  • the hook pivoting part is articulated on the clamping lever and the hook sliding part is connected at a first end to an eccentric adjusting device for fine adjustment of the clamping force.
  • the eccentric adjusting device has at least one rotatably mounted eccentric module, which is in operative connection with the hook sliding part such that a rotational movement of the eccentric module about a rotation axis is converted into a linear movement of the hook slide part along a longitudinal axis of the clamping closure device.
  • the present clamping device is characterized in particular by the fact that the hook slide part is provided with a convexly curved contact surface in the region of its first end and that the eccentric module has at least one eccentrically extending about a central axis, convex curved guide surface for conditioning of the contact section.
  • the convexly curved contact surface of the abutment portion of the hook slide part and the convex curved guide surface of the eccentric module lie against each other.
  • the hook slide part of the pulling device of the present clamping device is connected to the eccentric adjusting device and fixed by means of this on the shoe, in such a way that the hook slide part is displaceable over a predetermined distance along the longitudinal axis of the clamping device.
  • the preferably disk-like eccentric module is arranged on an upper side of the hook slide part and that in the region of the first end and is preferably flat on this.
  • An attachment for the Exzentermoduls provided fastener, such as a dowel screw is guided through the center axis of the eccentric module and engages at the same time in a designated slot of the hook slide part.
  • the abutment portion of the hook slide part projects beyond the surface of the hook slide part and can therefore also be understood as a protruding, projecting or cantilevered section, wherein the convexly curved contact surface of the contact section is oriented essentially perpendicular to the surface of the hook slide part.
  • the convexly curved guide surface of the eccentric module designed to abut the convexly curved abutment surface of the abutment portion is at least partially circular in shape and likewise oriented substantially perpendicular to the surface of the hook slider part. Due to their convex shape, the mutually abutting bearing and guide surfaces are in contact only in a limited contact portion or in a limited contact area.
  • the convexly curved guide surface of the eccentric module Upon application of a rotational force on the eccentric module, the convexly curved guide surface of the eccentric module is moved against the convexly curved abutment surface of the abutment portion due to the mutually abutting investment and guide surfaces overcoming the static friction caused by the rotation of the eccentric module about the center axis.
  • This relative movement can also be understood as mutual unwinding, namely as unrolling of the guide surface on the abutment surface or as unrolling of the abutment surface on the guide surface.
  • the applied torque must be sufficiently large in each case to overcome the static friction.
  • the abutment portion of the hook slide member is formed as a projecting edge portion at the first end of the hook slide member, wherein the convexly curved abutment surface of the abutment portion of the hook slide member facing a second end opposite the first end of the hook slide member.
  • the projecting edge portion can also be understood as an upstand of the first end of the hook sliding part or as a stop edge at the first end.
  • the eccentric module preferably has on a lower side an eccentrically arranged to the center axis, substantially cylindrical bulge with a peripheral surface, wherein the convex curved guide surface is formed by the peripheral surface of the cylindrical bulge.
  • a convex curved guide surface can be provided in a full circle shape, via which the contact surface of the hook slide part can be guided so that a sufficient linear movement in the direction of the longitudinal axis of the clamping device is effected.
  • the tension locking device is subject to a predetermined tension force, which can also be understood as a pulling force acting on the hook sliding part, running along the longitudinal axis of the tension locking device and directed in the direction of the hook pivoting part.
  • This tensile force is transmitted essentially to the convexly curved bearing surface of the abutment portion of the hook slide part.
  • acting at an angle to the direction of the tensile force namely substantially perpendicular to the direction of the tensile shear force acting on the abutting against the guide surface of the eccentric module abutment portion, which can also be referred to as a lateral force.
  • the resulting tensile force can be determined according to a force triangle of tensile force and shear force.
  • the convexly curved abutment surface of the abutment portion and the convex curved guide surface of the eccentric module are made of predetermined materials with, for example, a coefficient of static friction of at least 0.2, wherein the stiction or static friction between the contact surface and the guide surface at least as large is that an automatic rotational movement of the eccentric module is inhibited around the axis of rotation by the static friction.
  • plastics which have a static friction coefficient of at least 0.2 in interaction with the material pairings.
  • the coefficient of static friction of at least 0.2 results in particular from the resulting to lateral force.
  • the convexly curved abutment surface of the abutment portion of the hook slider part has a first radius of curvature and the convexly curved guide surface of the eccentric module has a second radius of curvature, wherein the first and the second radius of curvature are approximately equal.
  • the self-locking can be equipped with an outer layer of a soft component according to a preferred embodiment, the convex curved guide surface of the eccentric module.
  • the self-locking is not exclusively due to the static friction force.
  • the abutment surface of the hook slide member can engage to some extent in the outer layer of the soft component, or the contact portion can press into the outer layer of the soft component to a certain extent, so that in addition to the static friction a kind of stage or negative slope arises in the convex curved guide surface of the eccentric module.
  • This step or negative slope must be overcome starting from a detected state at the beginning of a relative movement of the eccentric module against the abutment portion, ie at the beginning of a counter-rotating unwinding or slipping of the bearing and guide surfaces first.
  • the application of such an outer layer of a Soft component can be done for example via a multi-component injection molding, namely by means of a so-called 2K process.
  • the hook slide part additionally has a guide web section, wherein the guide web section is arranged at a predetermined distance to the contact section.
  • the distance between the guide web section and the convexly curved contact surface of the contact section is approximately equal to or greater than twice the radius of curvature of the convexly curved guide surface of the eccentric module.
  • the distance between the guide web section and the convexly curved contact surface of the contact section is substantially as large or larger than the diameter of the cylindrical bulge.
  • the hook sliding part is formed substantially plate-like and has for safe connection with the hook pivoting part on its upper side perpendicular to the longitudinal axis extending, upwardly projecting web portions, which form hook-like connection means.
  • the hook pivoting part may also be substantially plate-like and have on its underside perpendicular to the longitudinal axis extending web portions which form hook-like connection means or it may alternatively be substantially bow-shaped and at least one hook-in strap section as a connecting means.
  • the eccentric adjusting device preferably has a rotary handle element and a shaft element, wherein the rotary handle element is particularly preferably designed as a rotary knob and is fixed to an upper side of the eccentric module.
  • the shaft member has a substantially rectangular or oval peripheral shape and is plate-like.
  • FIG. 1 shows roughly schematically illustrated an embodiment of a tension lock device 1 according to the invention for shoes, especially ski or snowboard boots in a perspective view.
  • the inventive clamping device 1 can be used for any type of shoes or for a shoe-like part comprehensive sports equipment in which a tailor-made adjustment of the shoe or shoe-like part with a high clamping force is desired, for example, for rollerblades, ice skates, mountain boots and work shoes.
  • the elongated clamping closure device 1 has a longitudinal extension in the direction of a longitudinal axis LA and is designed to be adapted to the arching shape of the shoe of its longitudinal extension according to substantially curved or arched.
  • the clamping device 1 in the present embodiment comprises a clamping lever 2 and an elongated pulling device 3, wherein the clamping lever 2 is pivotally connected at one of its ends 2 'about a first pivot axis SA1 to a provided for attachment to the shoe support member 4.
  • the elongate pulling device 3 is formed in two parts and consists of a hook pivoting part 7 and a hook sliding part 8 cooperating with the hook pivoting part 7.
  • the hook sliding part 8 is plate-like and has in the region of a second end 8 "on its upper side perpendicular to the longitudinal axis LA of the clamping device 1 extending, upwardly projecting web sections 8.1, which form hook-like connection means for connection to the hook pivot part 7.
  • the bow-like in the example shown formed hook pivot member 7 is hinged about a parallel and spaced from the first pivot axis SA1 extending second pivot axis SA2 pivotally on the clamping lever 2 and has a hook-in strap section 7.1, which can be hooked to produce a tensile clamping connection in the hook-like web sections 8.1 of the hook slide part 8 the hook swivel part 7 and the hook slide part 8 is a coarse adjustment of the length of the clamping device 1 possible, this coarse adjustment of the length on the hooking of the bracket section 7.1 of the hook pivot part 7 in the one another spaced web sections 8.1 of the hook slide part 8 can only be done gradually.
  • the hook slide part 8 is connected to a second end 8 "opposite the first end 8 '(in FIG. 1 not visible, see eg FIGS. 2a, 2b ), with an intended for attachment to the shoe Exzenterverstell Road 5 in conjunction, which rotatably mounted eccentric module 9 (also in FIG. 1 not visible, see eg FIGS. 2a, 2b ) and is designed for fine adjustment of the length and thus the clamping force of the clamping device 1 according to the invention.
  • the fine adjustment of the length via actuation of the eccentric module.
  • the eccentric module 9 connected rotary handle element 13, wherein by a rotation of the rotary handle member 13 and thus of the eccentric module 9 about a rotation axis DA, which corresponds to a center axis MA of the eccentric module 9, a length adjustment takes place.
  • the eccentric module 9 is designed such that the maximum possible adjustment path caused by rotation of the eccentric module 9 is at least equal to the distance between two web sections 8.1 of the hook slide part 8 in order to be able to achieve an actual fine adjustment between two coarse adjustment steps.
  • a shaft member 16 is additionally provided, which has a preferably circular recess in which the Exzentermodul 9 (see FIGS. 2a, 2b and 3 ) is included at least in sections. This results in a lateral support and / or guidance of the eccentric module 9. Further, the shaft member 16 in a lateral edge portion on a slot-like feed opening, via which the first end 8 'of the Hakenschiebervons 8 can be inserted to produce an operative connection to the Exzentermodul 9.
  • the shaft member 16 secures in particular the hook slide part 8 laterally against tilting, with a certain angular change of the hook slide part 8 is released to allow adaptation to the caused by the different foot sizes change the bowl curvature of the shoe, especially ski or snowboard boot. This advantageously ensures a secure engagement of the hook pivoting part 7 in the hook sliding part 8.
  • the shaft member 16 is made of an at least partially elastic material, which allows an adaptation to the surface of the shoe or its flaps.
  • FIGS. 2a, 2b and 3 show an embodiment of the Hakenschiebermaschines 8 and the Exzenterverstell Surprise 5, which includes a rotatable about the axis of rotation DA mounted eccentric module 9, as well as a connected to the eccentric module 9 rotary handle member 13 and fastening means 14 for attachment to the shoe, wherein in the FIG. 2a in an exploded view, a view from above, in FIG. 2b in an exploded view, a view from below and in FIG. 3 a side view is shown in a connected state.
  • the hook sliding part 8 in the region of its first end 8 ' has an abutment section 10 with a convexly curved abutment surface 11 and the eccentric module 9 has a convexly curved guide surface 12 eccentrically around the center axis MA for abutment of the abutment section 10.
  • the contact section 10 of the illustrated example is designed in the form of a projecting edge section at the first end 8 'of the hook sliding part 8, with the convexly curved contact surface 11 facing the second end 8 " Disposed distance to the contact portion 10 and its length is oriented substantially perpendicular to the longitudinal axis LA of the clamping device 1.
  • the substantially disc-shaped eccentric module 9 has on its underside 9.1 eccentrically to the center axis MA arranged, substantially cylindrical bulge 6, wherein the peripheral surface or lateral surface of the cylindrical bulge 6, the convex curved guide surface 12 for conditioning the convexly curved contact surface 11 of the contact section 10th forms.
  • the eccentric module 9 is arranged on the upper side of the hook slide part 8 such that the cylindrical bulge 6 is received between the contact section 10 and the guide web section 8.2.
  • the convexly curved abutment surface 11 of the abutment section 10 and the convexly curved guide surface 12 of the eccentric module 9 bear against each other.
  • the Exzenterverstell sensible 5 further comprises a fastened to the top of the eccentric module 9 rotary handle member 13 in the form of a knob and is fastened via fastening means 14, preferably a dowel on the flap of the ski or snowboard boot.
  • the eccentric module 9 has a through bore extending along the axis of rotation DA or center axis MA of the eccentric module 9.
  • fastening means may be provided, via which the fitting screw 14 is connected to the flap of the shoe, in particular ski or snowboard boot.
  • the hook slide part 8 is moved in the direction of the longitudinal axis LA of the inventive clamping device 1 by means of a rotary movement of the eccentric module 9 about the axis of rotation DA.
  • a rotational movement of the eccentric module 9 about the axis of rotation DA therefore results in a linear movement of the hook sliding part 8 in the direction of the longitudinal axis LA of the inventive clamping device 1 and thus represents a fine adjustment of the clamping length of the inventive clamping device 1 and thus the clamping force generated by these.
  • FIG. 4 shows in plan view a sectional view of the Hakenschieberteils 8 with connected Exzenterverstell Road 5, cut along the in FIG. 3 indicated section line AA, so that in the FIG. 4 only the eccentric to the center axis MA arranged cylindrical bulge 6 of the eccentric module 9 is visible.
  • the cylindrical bulge 6 of the eccentric module 9 forms with its circumferential or lateral surface the convexly curved guide surface 12 for abutment of the convexly curved contact surface 11 of the contact section 10 of the hook slide part 8 and is arranged on the upper side of the hook slide part 8 between the contact section 10 and the guide web section 8.2 ,
  • the convexly curved abutment surface 11 of the abutment portion 10 has a first radius of curvature r1 and the convexly curved guide surface 12 formed by the bulge 6 has a second radius of curvature r2, the first and second radius of curvature r1, r2 being approximately equal.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
EP15183659.0A 2015-09-03 2015-09-03 Dispositif de fermeture a genouillere pour chaussures, en particulier chaussures de ski ou de snowboard Active EP3138432B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP15183659.0A EP3138432B1 (fr) 2015-09-03 2015-09-03 Dispositif de fermeture a genouillere pour chaussures, en particulier chaussures de ski ou de snowboard

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15183659.0A EP3138432B1 (fr) 2015-09-03 2015-09-03 Dispositif de fermeture a genouillere pour chaussures, en particulier chaussures de ski ou de snowboard

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EP3138432A1 true EP3138432A1 (fr) 2017-03-08
EP3138432B1 EP3138432B1 (fr) 2018-05-02

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EP15183659.0A Active EP3138432B1 (fr) 2015-09-03 2015-09-03 Dispositif de fermeture a genouillere pour chaussures, en particulier chaussures de ski ou de snowboard

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992003071A1 (fr) 1990-08-28 1992-03-05 Koflach Sport Gesellschaft M.B.H. & Co. Kg Boucle pour chaussures, notamment chaussures de ski
EP0695516A1 (fr) * 1994-07-22 1996-02-07 NORDICA S.p.A Dispositif d'ajustage de la position des leviers et/ou des crémaillères, en particulier pour chaussures de sport
EP1300092B1 (fr) 2001-10-03 2004-07-28 Lange International S.A. Chaussure équipée d'au moins un dispositif de fermeture
WO2014082891A1 (fr) 2012-11-29 2014-06-05 Gudo Ag Dispositif de fermeture par serrage pour des chaussures, en particulier pour des chaussures de ski ou de snowboard

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992003071A1 (fr) 1990-08-28 1992-03-05 Koflach Sport Gesellschaft M.B.H. & Co. Kg Boucle pour chaussures, notamment chaussures de ski
EP0695516A1 (fr) * 1994-07-22 1996-02-07 NORDICA S.p.A Dispositif d'ajustage de la position des leviers et/ou des crémaillères, en particulier pour chaussures de sport
EP1300092B1 (fr) 2001-10-03 2004-07-28 Lange International S.A. Chaussure équipée d'au moins un dispositif de fermeture
WO2014082891A1 (fr) 2012-11-29 2014-06-05 Gudo Ag Dispositif de fermeture par serrage pour des chaussures, en particulier pour des chaussures de ski ou de snowboard

Also Published As

Publication number Publication date
EP3138432B1 (fr) 2018-05-02

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