EP2082789A1 - Dispositif de réglage de la distance entre le centre de moyens de fixation de fixations de ski - Google Patents

Dispositif de réglage de la distance entre le centre de moyens de fixation de fixations de ski Download PDF

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Publication number
EP2082789A1
EP2082789A1 EP09150349A EP09150349A EP2082789A1 EP 2082789 A1 EP2082789 A1 EP 2082789A1 EP 09150349 A EP09150349 A EP 09150349A EP 09150349 A EP09150349 A EP 09150349A EP 2082789 A1 EP2082789 A1 EP 2082789A1
Authority
EP
European Patent Office
Prior art keywords
carriage
ski
torsion bar
binding
plate
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
EP09150349A
Other languages
German (de)
English (en)
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EP2082789B1 (fr
Inventor
Ivano Spadetto
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.)
Tecnica Group SpA
Original Assignee
Nordica SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nordica SpA filed Critical Nordica SpA
Publication of EP2082789A1 publication Critical patent/EP2082789A1/fr
Application granted granted Critical
Publication of EP2082789B1 publication Critical patent/EP2082789B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/005—Ski bindings with means for adjusting the position of a shoe holder or of the complete binding relative to the ski
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/003—Non-swivel sole plate fixed on the ski

Definitions

  • the present invention refers to a device for adjusting the centre distance between the front and rear binding means of a ski binding.
  • the adjustment provided by such device enables boots of different sizes to be fastened to a same ski binding.
  • FR 2.151.666 and DE 2 246 668 disclose devices that allow to achieve a synchronized and simultaneous adjustment of the centre distance between the binding means through actuation means, essentially of the screw or rack type, operatively connected to motion transmission means, such as threaded bars, toothed bars or pulley systems; such motion transmission means are connected to the binding means which are slidably associated to the ski; actuating such mechanisms enables the binding means to be translatorily displaced in a synchronized and simultaneous manner along the ski in mutually opposed directions, so that adjustment to the actual size of the boot is achieved while maintaining the centre of gravity substantially unchanged.
  • actuation means essentially of the screw or rack type, operatively connected to motion transmission means, such as threaded bars, toothed bars or pulley systems; such motion transmission means are connected to the binding means which are slidably associated to the ski; actuating such mechanisms enables the binding means to be translatorily displaced in a synchronized and simultaneous manner along the ski in mutually opposed directions, so that adjustment to the actual
  • a drawback of such known embodiments lies in the kinematical rigidity of such devices; in fact, any possible sliding movement of the heel-piece and/or the toe-piece relative to the ski, necessary in order to dynamically compensate the bending of the ski during skiing so as to keep the mutual distance of the binding means unchanged when the ski becomes bent, are practically prevented due to the rigid connection between the binding means, the motion transmission means and the actuation means of the adjusting device which substantially form a kinematic mechanism with just a single degree of freedom.
  • WO 03/037452 discloses an adjusting device constituted by two mobile carriages supporting the front and rear binding means, respectively, wherein each carriage is translatorily guided along a slide that is firmly joined to the ski; each carriage is capable of being translatorily displaced along its slide by means of respective longitudinal screws which are integral in rotation and are connected to the carriages supporting the toe-piece and the heel-piece, respectively; the threads of such screws engage with a rack provided on the slide.
  • a driving rod mutually links the two screws, which are freely sliding relative to the rod whereas the rotation thereof is made integral with the same rod.
  • the above-cited adjusting device enables the two carriages to be simultaneously displaced along the slides and, consequently, the heel-piece and the toe-piece to be correspondingly displaced relative to the ski, by actuating the driving rod accordingly, while anyway allowing the same heel-piece and toe-piece to dynamically slide when the ski is subject to bending thanks to the possibility for the screws to freely slide relative to the driving rod.
  • a drawback of this known embodiment lies in the fact that a user has to apply a considerably great effort to achieve the adjustment, since the gear ratio is practically 1:1 (one-to-one) in this case, although there is provided a small crank, connected to the rod via an articulated joint and located at the rear of the heel-piece, to rotatably drive the rod.
  • a small crank connected to the rod via an articulated joint and located at the rear of the heel-piece, to rotatably drive the rod.
  • such crank allows to obtain just a small reduction in the applicable effort due to the quite small dimensions of the lever arm of such crank required by the need to prevent any interference with the surface of the ski.
  • the pitch of the screws must be small to keep the effort that a user has to apply within acceptable limits and in order to avoid any use of special tools, such as screwdrivers or the like, to carry out the adjustment; as a result, the adjusting operation turns out to be time-consuming and laborious, since the user has to cause the rod to rotate (or turn the crank) a great number of times to achieve any sensible translatory displacement of the heel-piece and the toe-piece along the ski.
  • the driving rod of the an adjusting device as afore-described is liable to become stuck owing to both the longitudinal extent of the same rod, in particular the extension between the operating point at which the rotary movement is imparted to the rod and the transmission point at which the rotary movement is converted into a translatory movement and the latter is transmitted further on, and the degree of the effort that needs to be applied.
  • a further disadvantage of this prior-art embodiment lies in the poor prehensility of the actuation means for rotating the rod, due both to the dimensional constraints imposed for the afore-explained reasons and the position in which they are located, which renders the actuation means rather difficult to grasp.
  • Another purpose of the present invention is to ensure that such adjustment can be operated without any need of using special tools.
  • a further purpose of the present invention is to ensure that such adjustment can be achieved through a reasonably limited number of actuations and, hence, a greater extent of displacement to be obtained for a same number of actuations.
  • Yet another purpose of the present invention is to provide a device wherein the actuation mechanism is conveniently and easily accessible and easy to grasp by the user.
  • a further purpose of the present invention is to provide a device which can be manufactured at competitive costs using readily available tools, machinery and equipment.
  • an assembly of a device for adjusting the centre distance between the binding means of a ski binding according to the present invention, as applicable to an underlying ski (not shown), is generally indicated by the reference number 1.
  • the adjusting device 1 is supported onto the ski by a plate 2 connected to the ski, preferably in a slidable manner at an end portion and in a fixed manner at the opposite end portion thereof; the plate 2 may also be formed of a first element 2a and a second element 2b crossing each other, each such element having an end portion thereof that is attached in a firmly joined manner to the ski, and the opposite end portion thereof that is free to slide relative to the same ski and the other element, as described in EP 0 719 166 .
  • the simple wording "plate 2" will be used hereinafter as a reference aimed at defining both a plate formed of a single element and a plate formed of a first and second elements crossing each other or connected to each other in any other way.
  • the plate 2 extends along a longitudinal axis substantially parallel to the longitudinal extension of the ski.
  • the adjusting device 1 comprises a first carriage 3 and a second carriage 4, which are slidably associable to the plate 2, and on which there can be secured respective binding means for a ski boot, such as a toe-piece and a heel-piece, which are not shown in the accompanying drawings since largely known in the art.
  • linking means comprise:
  • the worm-like threaded portions 22, 23 are adapted to engage with corresponding nut-screw portions 24 formed under the bottom of the carriages 3 and 4, as illustrated in Figure 6 , which is a bottom view of one of said two carriages, for instance carriage 3, in which the nut-screw portion 24 is shown engaging with the threaded portion 22 at the end of the torsion bar 18.
  • the way in which the adjusting device according to the present invention works is as follows: when an adjustment of the centre distance between the binding means of a ski binding is required, in order to adapt the ski binding to fit to the actual size of the boot to be attached thereto, the user has to extend the crank 6 from a resting position thereof, in which it lies against the body 7, into an operational position, in which it extends substantially perpendicular to the body 7, by rotating the crank 6 relative to the body 7 as indicated by the arrow A in Figures 1 and 3 ; once the crank 6 is brought into the operational position, the user can rotate it about an axis extending perpendicularly to the longitudinal axis of the plate 2 (and of the ski itself); such rotary motion is transmitted - via the first reducing means engaging with the second reducing means and, hence, via the ring bevel gear 9 engaging with the pinions 16, 17 of the rollers 14, 15 - to the torsion bars 18, 19 along opposite directions of rotation, thereby causing the corresponding threaded portions 22, 23 to rotate accordingly; due to
  • the dynamic behaviour during skiing of the adjusting device according to the present invention is such as to allow the ski to freely bend, since the connection of the adjusting device with the binding means, i.e. the toe-piece and the heel-piece, is not rigidly constrained: in fact, the rollers 14, 15, which are rotatably integral with the torsion bars 18, 19 to transmit the adjustment movement as described above thanks to the coupling by polygonal cross-sectional shapes or splined contours, are capable to freely slide relative to said torsion bars while keeping the engagement with the ring bevel gear 9, so as to allow the carriages 3 and 4 carrying the binding means to dynamically slide relative to the ski integrally with the plate 2, such that any bending of the ski is dynamically compensated and the distance between the binding means is kept unchanged.
  • the central position of the actuation member 5, and in particular the easy and convenient prehensility of the crank 6, makes the adjusting device extremely easy and convenient to be reached and operated by a user.
  • a further advantage derives from the fact that, owing to the afore-mentioned provision of effort reducing means, a large screw pitch can be used for the threads of the threaded portions 22, 23 and the nut screw 24, instead of a fine pitch as used in prior-art embodiments, thereby enabling the centre distance to be adjusted through a reasonably limited number of rotations of the crank 6 due to the greater extent of the mutual displacement of the carriages 3 and 4 achieved through a same number of rotations of the crank 6.
  • the relatively small longitudinal extent of the torsion bars 18, 19 and the smaller amount of effort to be applied during the adjustment operation allow to reduce to a considerable extent, if not wholly prevent, the risk for the transmission means 10, 11 to become stuck, thereby further increasing the reliability of the device and the convenience in using it.
  • the adjusting device according to the present invention further to the above-noted advantages - has the added benefit of allowing the ski to freely bend under dynamical conditions when skiing, thanks to the rollers 14, 15 being slidably coupled to the respective torsion bars 18, 19, thereby allowing the carriages 3 and 4 to dynamically slide, integrally with the plate 2, relative to the ski.
  • the materials, the shapes and the sizing of the device according to the present invention may be selected so as to more appropriately fit the particular applications and requirements.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
EP09150349A 2008-01-25 2009-01-09 Dispositif de réglage de la distance entre le centre de moyens de fixation de fixations de ski Not-in-force EP2082789B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000001A ITPN20080001A1 (it) 2008-01-25 2008-01-25 "dispositivo di regolazione dell'interasse dei mezzi di aggancio di un attacco da sci"

Publications (2)

Publication Number Publication Date
EP2082789A1 true EP2082789A1 (fr) 2009-07-29
EP2082789B1 EP2082789B1 (fr) 2011-12-07

Family

ID=40290256

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09150349A Not-in-force EP2082789B1 (fr) 2008-01-25 2009-01-09 Dispositif de réglage de la distance entre le centre de moyens de fixation de fixations de ski

Country Status (3)

Country Link
EP (1) EP2082789B1 (fr)
AT (1) ATE536208T1 (fr)
IT (1) ITPN20080001A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012045723A1 (fr) * 2010-10-04 2012-04-12 Madshus As Fixation de ski
EP2923741A1 (fr) * 2014-03-28 2015-09-30 MARKER Deutschland GmbH Liaison détachable dotée d'un levier de fixation et de libération d'un support de chaussure

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2151666A5 (fr) 1971-09-08 1973-04-20 Salomon & Fils F
DE2246668A1 (de) 1972-09-22 1974-04-11 Ver Baubeschlag Gretsch Co Auf unterschiedliche schuhgroessen einstellbare skibindung
EP0719166A1 (fr) 1993-09-13 1996-07-03 Marco Maggiolo Dispositif destine a ameliorer l'efficacite et la controlabilite des skis
EP1199090A2 (fr) * 2000-10-19 2002-04-24 Marker Deutschland GmbH Fixation de ski ou de planche à neige
WO2002043822A1 (fr) * 2000-11-30 2002-06-06 Benetton Group S.P.A. Dispositif de reglage et de blocage, particulierement pour fixations de ski
WO2003037452A1 (fr) 2001-10-31 2003-05-08 Salomon S.A. Ensemble de retenue d'une chaussure sur une planche de glisse
EP1576990A1 (fr) * 2004-03-15 2005-09-21 Tyrolia Technology GmbH Dispositif de reglage longitudinal de deux machoires d'une fixation de ski
EP1645310A1 (fr) * 2004-10-05 2006-04-12 MARKER Deutschland GmbH Système de réglage d'une fixation de ski ou de snowboard
AT9322U1 (de) * 2006-01-24 2007-08-15 Tyrolia Technology Gmbh Anordnung zum längsverstellen zweier bindungsbacken einer skibindung

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2151666A5 (fr) 1971-09-08 1973-04-20 Salomon & Fils F
DE2246668A1 (de) 1972-09-22 1974-04-11 Ver Baubeschlag Gretsch Co Auf unterschiedliche schuhgroessen einstellbare skibindung
EP0719166A1 (fr) 1993-09-13 1996-07-03 Marco Maggiolo Dispositif destine a ameliorer l'efficacite et la controlabilite des skis
EP1199090A2 (fr) * 2000-10-19 2002-04-24 Marker Deutschland GmbH Fixation de ski ou de planche à neige
WO2002043822A1 (fr) * 2000-11-30 2002-06-06 Benetton Group S.P.A. Dispositif de reglage et de blocage, particulierement pour fixations de ski
WO2003037452A1 (fr) 2001-10-31 2003-05-08 Salomon S.A. Ensemble de retenue d'une chaussure sur une planche de glisse
EP1576990A1 (fr) * 2004-03-15 2005-09-21 Tyrolia Technology GmbH Dispositif de reglage longitudinal de deux machoires d'une fixation de ski
EP1645310A1 (fr) * 2004-10-05 2006-04-12 MARKER Deutschland GmbH Système de réglage d'une fixation de ski ou de snowboard
AT9322U1 (de) * 2006-01-24 2007-08-15 Tyrolia Technology Gmbh Anordnung zum längsverstellen zweier bindungsbacken einer skibindung

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012045723A1 (fr) * 2010-10-04 2012-04-12 Madshus As Fixation de ski
CN103189111A (zh) * 2010-10-04 2013-07-03 马德舒斯公司 雪橇绑定件
US8910967B2 (en) 2010-10-04 2014-12-16 Madshus As Ski binding
RU2567690C2 (ru) * 2010-10-04 2015-11-10 Мадсхус Ас Лыжное крепление
CN103189111B (zh) * 2010-10-04 2016-01-20 马德舒斯公司 雪橇绑定件
EP2923741A1 (fr) * 2014-03-28 2015-09-30 MARKER Deutschland GmbH Liaison détachable dotée d'un levier de fixation et de libération d'un support de chaussure

Also Published As

Publication number Publication date
ITPN20080001A1 (it) 2009-07-26
ATE536208T1 (de) 2011-12-15
EP2082789B1 (fr) 2011-12-07

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