EP0241360B1 - Fixation de sécurité pour ski - Google Patents

Fixation de sécurité pour ski Download PDF

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Publication number
EP0241360B1
EP0241360B1 EP87400734A EP87400734A EP0241360B1 EP 0241360 B1 EP0241360 B1 EP 0241360B1 EP 87400734 A EP87400734 A EP 87400734A EP 87400734 A EP87400734 A EP 87400734A EP 0241360 B1 EP0241360 B1 EP 0241360B1
Authority
EP
European Patent Office
Prior art keywords
jaw
rod
unit
support
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.)
Expired
Application number
EP87400734A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0241360A1 (fr
Inventor
Henri Peyre
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.)
Look SA
Original Assignee
Look SA
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 Look SA filed Critical Look SA
Priority to AT87400734T priority Critical patent/ATE46272T1/de
Publication of EP0241360A1 publication Critical patent/EP0241360A1/fr
Application granted granted Critical
Publication of EP0241360B1 publication Critical patent/EP0241360B1/fr
Expired legal-status Critical Current

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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
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08535—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a mobile body or base or single jaw
    • A63C9/08542—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a mobile body or base or single jaw pivoting about a transversal axis
    • 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
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08535—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a mobile body or base or single jaw
    • A63C9/0855—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a mobile body or base or single jaw pivoting about a vertical axis
    • 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
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08557—Details of the release mechanism
    • A63C9/08564—Details of the release mechanism using cam or slide surface
    • 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
    • A63C9/001—Anti-friction devices
    • 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
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/0805—Adjustment of the toe or heel holders; Indicators therefor

Definitions

  • the present invention relates to ski safety bindings which are adapted to immobilize the front of a shoe by constituting a front stop.
  • the invention relates to the so-called "multidirectional tripping" front stops which comprise a retaining jaw, mounted movable in different directions, while being held in its normal position by an elastic retaining mechanism.
  • the jaw in the event of torsion acting on the foot, the jaw can move laterally in order to allow the shoe to escape. However, this jaw can also move upward to allow the shoe to escape in this direction in the event of the skier falling back. Furthermore, the jaw of certain front stops is mounted so as to be able to move in all directions in order to release the boot in optimum conditions in the event of a complex fall, that is to say in the case of a fall combining a torsional force with an upward extension force, or even in the case of a fall backwards accompanied by a torsional force.
  • some front fixation stops are designed so that a thrust of the shoe forward, due for example to the beginning of a fall forward, causes a reduction in the elastic resistance opposing the rotation of the body of the corresponding stop. Indeed, such a thrust increases the friction of the shoe and consequently the hardness in the exhaust.
  • the elastic resistance of the retaining mechanism should therefore be reduced so that the magnitude of the retaining force remains substantially the same.
  • patent FR-A 2,395,046 describes a front stop whose retaining jaw is slidably mounted in the axial direction on the rotary body thereof so as to ensure a reduction in the elastic torsional resistance in the event that a thrust is exerted on this jaw forward.
  • the elastic mechanism provided in this stop consists of a piston housed inside the rotary body and which is applied by a spring against a flat provided on the pivot thereof.
  • this piston carries two lateral extensions, arranged on either side of the pivot, and against the ends of which the retaining jaw acts in the event of its movement forward. This then causes the spacing of this piston relative to the flat which it normally serves as a seat, which allows free rotation of the body of the stop.
  • patent FR-A 2,439,601 describes a binding which can as well constitute a heel piece as a front stop and whose design allows an escape from the corresponding end of the shoe upwards, which does not The above mentioned front stop is not.
  • the binding described in this second patent comprises an endpiece capable of pivoting upward and which is carried by a body itself rotatably mounted around a pivot perpendicular to the ski.
  • This pivot has two flats oriented in opposite directions and against which are respectively applied a bearing surface provided in the bottom of the rotary body and a piston mounted inside the latter, a single spring pressing on this piston.
  • the corresponding jaw is pivotally mounted directly on the rotary body of the binding and this, around a transverse axis, parallel to the upper surface of the ski.
  • this jaw is held in its normal position by a transverse rod interposed between the bottom of the rotary body and the corresponding flat part of the pivot, and the ends of which cooperate with ramps provided on this jaw.
  • the aim of the present invention is to produce a front stop with multidirectional triggering, the design of which is such that it can release the front of the shoe under the best possible conditions of safety in the various cases which may occur.
  • the design of this stop is such that its arrangement and structure are much simpler than in existing stops with multidirectional release.
  • the structure of the present stop is extremely simple and nevertheless it is able to ensure the release of the front of the shoe in all the desired directions and this, under the best possible conditions to ensure very good security.
  • the planned arrangement makes it possible to produce cams and support plates having parts of different widths so that the elastic resistance, opposed to the movement of the retaining jaw, is of different value depending on the type of movement it undergoes.
  • the resistance to lateral release is reduced by the fact that the thrust exerted by the shoe on the jaw makes it move back while relieving the pressure exerted by it against the corresponding flat part of the support. fixed.
  • the stop according to the invention comprises a retaining jaw whose movable body is designated by the general reference 1. At its rear end, it carries two arms 2 intended to frame the front end of the shoe to immobilize. As for the front part of the body of this jaw, it contains the various organs of the elastic mechanism ensuring its immobilization in its normal position.
  • This jaw is movably mounted on a fixed support constituted by a plate 3 carried by a mounting plate 4. This last is intended to be fixed on the upper surface of a ski, for example by means of screws.
  • the plate 3 extends perpendicular to this plate so that after mounting, it is arranged perpendicular to the surface of the ski. Furthermore, both sides 5 and 6 of this plate are then arranged in planes transverse to the X-Y axis of the assembly, therefore, after assembly, to the longitudinal axis of the ski.
  • the two faces of the plate 3 constitute two flats forming part of the elastic mechanism ensuring the maintenance of the body 1 of the jaw in its normal position.
  • This mechanism also comprises two flat cams which are applied against these flats by a single coil spring 7.
  • One of these cams is constituted by a bearing surface 8 formed on the body 1 of the retaining jaw and which is oriented rearward, that is to say towards the location of the shoe, so as to be applied against the flat 5 which is itself oriented forward.
  • the other flat cam it consists of a plate 9 placed in abutment against the flat 6 which is oriented towards the rear. This plate is carried by the rear end of a rod 10, itself carried by the body 1 of the retaining jaw. This rod is engaged through a hole 11 of much wider section which is formed in the fixed plate 3. At this point, this rod carries a ball 12 disposed inside this hole so as to allow the articulation of this rod in all directions. Consequently, the rod 10 ensures the retention of the body 1 of the jaw on the fixed plate 3 while allowing it to articulate in all directions.
  • the body of this jaw can slide on the rod 10 which is engaged inside a bore 13 formed in this body.
  • this rod is engaged inside a sleeve 14 carried by a plug 15 closing the front end of a cavity 16 formed in the body 1 to serve as a housing for the rod 10 thus that the coil spring 7 disposed around it.
  • This spring is thus interposed between the bottom of the cavity 16 and the plug 15. However, the sleeve 14 carried by the latter is screwed onto the corresponding end of the rod 10. Under these conditions this coil spring simultaneously ensures the application of the support surface 8 against the front flat 5 and that of the support plate 9 against the rear flat 6.
  • the pressure thus exerted can be adjusted by more or less strongly compressing the spring 7 by screwing the plug 15 and its sleeve 14 onto the corresponding end of the rod 10.
  • the plug 15 carries an index 26 adjustment indicator which appears behind a window 17 of the body 1.
  • the support plate 9 has, on its upper edge 18, a length markedly less than the length of its lower edge 19, that is to say its edge which is turned towards the side of the lower fixing plate 4. A this effect, in the example shown in FIG. 4, the upper part of the plate 9 has a trapezoidal shape, the small base of which faces upwards.
  • the bearing surface 8 provided on the body 1 of the retaining jaw has a shorter length on its lower edge 20 than on its upper edge 21.
  • the lower part of the bearing surface 8 has a trapezoidal contour, the small base of which is oriented downwards (see FIG. 3).
  • this bearing surface 8 takes the form of a flat protuberance provided slightly in relief on the bottom 22 of a cavity 23 formed in the corresponding part of the body 1 and inside of which are housed the vertical plate 3 as well as the support plate 9.
  • this support surface is arranged in a plane perpendicular to the axis of the bore 13 and it is intended to be normally placed in a plane transverse to ski and perpendicular to the upper surface thereof.
  • the jaw 1 can move to the side by articulation of the rod 10 inside the hole 11 of the fixed plate 3, by means of the ball joint 12.
  • the body of this jaw then performs a pivoting movement in a horizontal plane, as if this body were mounted to rotate about a vertical axis.
  • This causes the two support cams 8 and 9 to take oblique positions relative to the corresponding flats 5 and 6 and to then apply against these flats along one and the other of their lateral edges delimiting their parts. of greater width.
  • the mode of articulation in all directions of the body 1 of the retaining jaw on its fixed support constituted by the plate 3 allows this body to move in any desired orientation to release the shoe in optimum conditions, whatever the orientation of the force undergone by the foot.
  • the body 1 of the retaining jaw is caused to tilt upwards in the same way as if it were pivotally mounted about a horizontal axis.
  • this movement takes the form of an articulation of the rod 10 inside the hole 11 of the plate 3 by means of the ball joint 12.
  • the two support cams 8 and 9 are then brought to assume oblique positions relative to the corresponding flats 5 and 6.
  • the cam 9 is applied against the flat 6, along its upper edge 18, then that the cam 8 is applied against the flat 5 along its lower edge 20.
  • the raising of the body 1 of the retaining jaw has the effect that the cam 9 is pressed against the corresponding flat 6 via its upper edge 18, while the cam 8 is applied against the flat 5 along its lower edge 20.
  • this is the edge of lesser length of one and the other of these two plates.
  • the present stop makes it possible to ensure the release of the corresponding boot in the best possible conditions of safety.
  • this advantageous result is obtained thanks to a very simple structure of the corresponding front stop. This therefore makes it possible to produce, for a low cost price, a front stop offering the best possible safety conditions.
  • the present stop is of the type in which the retaining jaw is articulated in all directions around a ball joint
  • the particular design of the present system allows the production of cams and bearing plates opposing an elastic resistance of different value to the displacement of the retaining jaw according to the nature of the movement it undergoes. This is due to the fact that instead of providing a fixed ball joint and providing directly thereon the bearing flats of the cams of the elastic system, as in current fasteners of the type in question, a ball joint is provided, independent of the fixed support of the assembly, and slidingly mounted on the rod 10, on which also slides the retaining jaw.
  • the sliding mounting of this ball joint on this rod has the advantage that the axial sliding of the rod 10, inside the hole 11, does not risk disturbing the conditions of articulation of the body of the retaining jaw on the fixed support of the assembly.
  • the arrangement also has the advantage that the point of articulation of the body of the jaw is located at a suitable intermediate level allowing a satisfactory trajectory of this jaw to release the shoe in good conditions, in particular in the event of a fall backwards.
  • FIGS. 7 and 8 show a variant of the embodiment described above. Moreover, the general design of this stop is the same as before. Consequently, the members which correspond to those of the previous embodiment are indicated, in FIGS. 7 and 8, by the same reference numbers assigned to the index "a".
  • This stop differs from the previous one essentially by the fact that the plug 15 for adjusting the initial compression of the spring being eliminated, this adjustment is carried out by screwing the front end of the corresponding rod 10a into a threaded sleeve 14a carried by the cam 9a which is applied against the front flat 6a of the fixed plate 3a. Consequently, the front end of the rod 10a carries an operating head 24 accessible from the outside and which allows this rod to be screwed into the sleeve 14a to more or less compress the corresponding spring 7a.
  • the vertical plate 3a serving as a support for the assembly comprises a base 25 of larger cross section which is riveted on the mounting plate 4a of the assembly.
  • FIGS. 9 and 10 The particular structure of the corresponding part appears in FIGS. 9 and 10.
  • the front face of the vertical plate 3a is arranged to form a cam having a different effect according to the orientation. movement of the movable jaw.
  • the upper edge 26 of this face is wider than its lower edge 27, on either side of which inclined facets 28 are provided.
  • the present front stop can be the subject of many other modifications and variants.
  • the body 1 or 1 a of the retaining jaw being made of metal, it is possible to manufacture it from plastics material by providing, in the bottom of the cavity 22, a metal plate to constitute the cam 8 support against the front flat 5.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Materials Applied To Surfaces To Minimize Adherence Of Mist Or Water (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Graft Or Block Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Motorcycle And Bicycle Frame (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
EP87400734A 1986-04-08 1987-04-03 Fixation de sécurité pour ski Expired EP0241360B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87400734T ATE46272T1 (de) 1986-04-08 1987-04-03 Sicherheitsskibindung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8604970A FR2596664B1 (fr) 1986-04-08 1986-04-08 Fixation de securite pour ski
FR8604970 1986-04-08

Publications (2)

Publication Number Publication Date
EP0241360A1 EP0241360A1 (fr) 1987-10-14
EP0241360B1 true EP0241360B1 (fr) 1989-09-13

Family

ID=9333993

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87400734A Expired EP0241360B1 (fr) 1986-04-08 1987-04-03 Fixation de sécurité pour ski

Country Status (6)

Country Link
US (1) US4765641A (ja)
EP (1) EP0241360B1 (ja)
JP (1) JP2761639B2 (ja)
AT (1) ATE46272T1 (ja)
DE (1) DE3760544D1 (ja)
FR (1) FR2596664B1 (ja)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2652273B2 (fr) * 1986-04-08 1992-07-17 Look Sa Fixation de securite pour ski.
FR2633191B1 (fr) * 1988-06-24 1992-10-02 Salomon Sa Fixation de securite pour ski
DE58906238D1 (de) * 1988-07-28 1994-01-05 Geze Sport Seitenauslösbarer Vorderbacken einer Sicherheitsskibindung.
EP0408855B1 (de) * 1989-07-21 1994-01-19 HTM Sport- und Freizeitgeräte Aktiengesellschaft Vorderbacken
DE9102427U1 (ja) * 1991-02-28 1992-04-02 Marker Deutschland Gmbh, 8116 Eschenlohe, De
FR2689774B1 (fr) * 1992-04-10 1994-06-10 Salomon Sa Sous-ensemble pour le rappel elastique de l'organe de retenue d'un element de fixation alpine.
US5671942A (en) * 1994-02-23 1997-09-30 Marker Deutschland Gmbh Front jaw for a ski binding
AT403889B (de) * 1995-10-19 1998-06-25 Weigl Erwin Ing Halterung für eine skibindung
FR2741816B1 (fr) * 1995-12-04 1998-02-13 Salomon Sa Element de retenue de l'avant d'une chaussure sur une planche de glisse, notamment un ski
DE69815558T2 (de) 1997-01-29 2004-04-29 Look Fixations S.A. Sicherheitsbindung an der Oberseite des Skistiefels
CH693129A5 (de) 1998-11-16 2003-03-14 Look Fixations Sa Sicherheitsskibindung.
FR2808453B1 (fr) * 2000-05-04 2002-08-02 Salomon Sa Element de retenue de l'avant d'une chaussure sur un ski
US8579317B2 (en) 2011-09-19 2013-11-12 Salomon S.A.S. Binding for a boot on a gliding board
DE102013201727A1 (de) * 2013-02-01 2014-08-07 Marker Deutschland Gmbh Fersenhalter mit rollenförmigem Sohlenhalter
FR3107652B1 (fr) 2020-02-27 2022-01-28 Salomon Sas Butée avant de fixation pour planche de glisse

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2062862A (en) * 1935-02-16 1936-12-01 Micro Westco Inc Guide for blade frames of slicing machines
DE1923038C3 (de) * 1969-05-06 1975-01-16 Karl Dieter 8000 Muenchen Forcht Auslöse v.orderbacken
DE2448769C2 (de) * 1974-10-12 1982-08-26 Geze Gmbh, 7250 Leonberg Haltevorrichtung für Sicherheitsskibindungen
FR2314742A1 (fr) * 1975-06-20 1977-01-14 Salomon & Fils F Fixation de securite pour ski a compensation automatique des contraintes parasites
AT347308B (de) * 1975-12-12 1978-12-27 Smolka & Co Wiener Metall Vorderbacken
FR2395046A1 (fr) * 1977-06-22 1979-01-19 Bonfils Juy Patrick Dispositif de butee avant de securite pour ski
GB2004956A (en) * 1977-09-26 1979-04-11 Spica Spa Clearance takeup floating bush
FR2439601A1 (fr) * 1978-10-27 1980-05-23 Look Sa Fixation de securite pour ski
FR2458299A1 (fr) * 1979-06-06 1981-01-02 Salomon & Fils F Fixation de securite pour ski
FR2478476A1 (fr) * 1980-03-21 1981-09-25 Salomon & Fils F Fixation de securite pour ski
FR2533833A1 (fr) * 1982-10-04 1984-04-06 Salomon & Fils F Fixation de securite pour ski
AT376895B (de) * 1982-12-16 1985-01-10 Tyrolia Freizeitgeraete Ausloeseskibindung
FR2540735A1 (fr) * 1983-02-14 1984-08-17 Salomon & Fils F Fixation de securite pour ski
US4682786A (en) * 1984-10-04 1987-07-28 Ste Look, French Societe Anonyme Safety ski binding

Also Published As

Publication number Publication date
JP2761639B2 (ja) 1998-06-04
DE3760544D1 (en) 1989-10-19
EP0241360A1 (fr) 1987-10-14
JPS62243573A (ja) 1987-10-24
US4765641A (en) 1988-08-23
FR2596664A1 (fr) 1987-10-09
FR2596664B1 (fr) 1988-12-23
ATE46272T1 (de) 1989-09-15

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