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EP0271693B1 - Mâchoire avant pour fixations de sécurité de ski - Google Patents

Mâchoire avant pour fixations de sécurité de ski Download PDF

Info

Publication number
EP0271693B1
EP0271693B1 EP87116253A EP87116253A EP0271693B1 EP 0271693 B1 EP0271693 B1 EP 0271693B1 EP 87116253 A EP87116253 A EP 87116253A EP 87116253 A EP87116253 A EP 87116253A EP 0271693 B1 EP0271693 B1 EP 0271693B1
Authority
EP
European Patent Office
Prior art keywords
jaw
lateral
jaws
lever
bar linkage
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 - Lifetime
Application number
EP87116253A
Other languages
German (de)
English (en)
Other versions
EP0271693A2 (fr
EP0271693A3 (en
Inventor
Gerhard Sedlmair
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.)
Marker Deutschland GmbH
Original Assignee
Marker Deutschland GmbH
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 Marker Deutschland GmbH filed Critical Marker Deutschland GmbH
Priority to AT87116253T priority Critical patent/ATE68984T1/de
Publication of EP0271693A2 publication Critical patent/EP0271693A2/fr
Publication of EP0271693A3 publication Critical patent/EP0271693A3/de
Application granted granted Critical
Publication of EP0271693B1 publication Critical patent/EP0271693B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • A63C9/08557—Details of the release mechanism
    • A63C9/08571—Details of the release mechanism using axis and lever
    • 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
    • A63C9/08507—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 plurality of mobile jaws
    • A63C9/08521—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 plurality of mobile jaws pivoting about a vertical axis, e.g. side release
    • 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

Definitions

  • the invention relates to a toe of a safety ski binding according to the preamble of the main claim.
  • the latching device comprises a spring-loaded latching roller which engages in a latching depression provided on the coupling and thus tries to keep the four-bar linkage in its normal position.
  • the lever has a concave curve, which corresponds in its central region to the locking trough in the coupling and is also acted upon by the locking roller.
  • the central area of the curve is followed on both sides by mirror-like sections which protrude from the corresponding sections of the locking recess in the coupling.
  • This toe piece has the advantage of a simple and robust construction compared to more well known toe pieces with a four-bar linkage. In practice, however, it has been shown that the devices for releasing the side jaws in this front jaw are in need of improvement both in terms of their manufacture and their function.
  • the task is to improve the front jaws in terms of their manufacture and their function.
  • this is achieved in that the two-armed lever carries a driver at the ends of its arms and in that in the vertical plane of symmetry of the jaw a base plate-fixed stop is used to interact with the drivers.
  • the stop can be connected indirectly to the base plate via a housing part.
  • the latching device can extend below the stop, so that the toe piece has a compact design.
  • the carriers are expediently designed as pins which extend upwards parallel to the axis of the lever, so that the components can be kept simple and inexpensive to produce.
  • the front jaw comprises a housing which consists of a base part 1 to be fastened to the ski and a cover part 2 held thereon.
  • the base part extends with respect to the illustrations to the right beyond the cover part and forms at its free end a claw 3 for holding the free end of a pivotable step plate 4, which is known per se and is not the subject of the present invention.
  • the housing receives a four-bar linkage, which consists of the levers 5, 6 and the coupling 7.
  • the levers are each mounted on an axis 8 or 9 extending at right angles to the ski plane in the housing.
  • the pivot pins of the coupling on the levers are labeled 10 and 11 respectively.
  • the tread plate 4 is made in one piece with the coupling 7, as can be seen in FIG. 1. 2 still has two screw holes 14 in Recognize base part 1 and two corresponding mounting holes 15 in the step plate 4.
  • the four-bar linkage is held in its normal position by a latching device.
  • a pivotable centering part 19 in a horizontal plane is under the influence of a helical tension spring 16 and holds the four-bar linkage in its normal position via the driver 26 mounted in the coupling 7.
  • the tension coil spring is suspended from a holding plate 17 which is adjustably held on a screw 18 in the housing.
  • the pivot pins 10, 11 of the coupling 7 on the levers 5, 6 each carry a side jaw 12 or 13.
  • These side jaws are designed as two-armed levers, the second arm or 31 of which ends in a rounded tip.
  • the arms 30, 31 normally abut a two-armed lever 32 mounted on the driver 26 on its end face sections 33 and 34, so that the side jaws 12, 13 cannot move outwards relative to the coupling (see FIGS. 2 and 3 ).
  • the end face sections 33, 34 of the lever 32 are curved around the axis of the driver 26 and end on the trigger side with sharp edges.
  • the respectively adjoining end surface section 35 or 36 is concavely curved and serves as a restoring surface for the arm 30 or 31 of the respective side jaw 12 or 13 descriptive serve as support surfaces and are separated from each other by a central recess 39 of the lever 32.
  • the lever 32 carries a pin 40 or 41, which serves as a control part or driver and extends upwards. These pins serve to interact with a fixed stop 42 lying in the vertical plane of symmetry of the fore-jaw.
  • This stop forms Part of an extension 43 extending from the cover cap 2 into the interior of the front jaw. The free end of this extension merges into two pins 44 which serve to connect the cover part to the base part 1.
  • the extension 43 serves as an abutment for the end face sections 37, 38 of the lever 32.
  • the length of the end face sections 37, 38 corresponds to the pivoting path of the four-bar linkage to the side.
  • the individual parts of the toe piece normally assume their position shown in FIGS. 1 and 2. If a force is now transmitted from a ski boot, not shown, to the side jaw 13, for example, which exceeds the pretension of the helical tension spring 16, the four-bar linkage swivels downward with respect to the illustration in FIG. 2, for example into that shown in FIG. 3 Location. During this pivoting in the so-called elastic range, the side jaws 12, 13 do not move with respect to the coupling 7 of the four-bar linkage because they are supported with their arms 30, 31 on the lever 32 mounted on the coupling 7. When the force decreases, the four-bar linkage returns to the starting position according to FIG. 2 under the influence of the helical tension spring 16.
  • Fig. 3 shows the front jaw in a position immediately before the release of the side jaw 13. Due to the constant application of force and the resulting pivoting of the four-bar linkage, the pivoting of the pin 40 on the stop 42 results in the lever 32 being pivoted relative to the coupling 7 about the driver 26 with respect to the clockwise representation. This is made possible by the fact that the support surface 38 has previously been released from its abutment on the shoulder 43. At the end of the pivoting-out movement of the lever 32, the free end of the arm 31 of the side jaw 13 comes free from the end face portion 34 of the lever 32, so that the side jaw can swing open about the pivot pin 11, which is shown in FIG. 4. In this position, the shoe can be released from the toe piece.

Landscapes

  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)
  • Basic Packing Technique (AREA)
  • Package Frames And Binding Bands (AREA)
  • Heat Treatment Of Sheet Steel (AREA)
  • Catching Or Destruction (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Claims (3)

  1. Mâchoire avant d'une fixation de sécurité de ski avec un organe d'appui pouvant pivoter vers le côté contre la force de ressort d'un dispositif d'enclenchement lors de forces latérales excessives et supportant deux mâchoires latérales servant d'appui latéralement et vers l'avant à la semelle de chaussure, lequel organe forme l'élément d'accouplement d'un quadrilatère articulé dont les leviers sont montés sur des axes verticaux solidaires de la plaque de base, les mâchoires latérales étant normalement maintenues immobiles vis-à-vis de l'élément d'accouplement alors que la mâchoire latérale, située vers l'avant dans le sens du mouvement, pivote vers l'extérieur en vue de la libération de la semelle de chaussure tandis qu'en outre les mâchoires latérales sont prolongées au-delà de leurs points d'articulation à l'élément d'accouplement et prennent appui par l'intermédiaire de ces prolongements contre un levier à deux bras monté sur l'élément d'accouplement de façon cenralement et axialement parallèle aux mâchoires latérales, lequel levier libère la mâchoire latérale respective à la fin du mouvement de pivotement du quadrilatère articulé et après la libération de la semelle de chaussure s'effectue un retour automatique de toutes les parties déplacées à leur position de départ, caractérisée en ce que le levier à deux bras (32) porte un entraîneur (40, 41) respectivement aux extrémités de ses bras et en ce que dans le plan vertical de symétrie de la mâchoire est prévue une butée (42) solidaire de la plaque de base et servant à la coopération avec les entraîneurs (40, 41).
  2. Mâchoire avant selon la revendication 1, caractérisée en ce que la butée (42) est reliée indirectement à la plaque de base (1) par l'intermédiaire d'un élément de boîtier (2).
  3. Mâchoire avant selon la revendication 1 ou 2, caractérisée en ce que les entraîneurs sont réalisés sous forme de goujons (40, 41) s'étendant vers le haut parallèlement à l'axe (26) du levier à deux bras (32).
EP87116253A 1986-12-16 1987-11-04 Mâchoire avant pour fixations de sécurité de ski Expired - Lifetime EP0271693B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT87116253T ATE68984T1 (de) 1986-12-16 1987-11-04 Vorderbacken fuer sicherheits-skibindungen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8633619U 1986-12-16
DE8633619U DE8633619U1 (de) 1986-12-16 1986-12-16 Vorderbacken für Sicherheits-Skibindungen

Publications (3)

Publication Number Publication Date
EP0271693A2 EP0271693A2 (fr) 1988-06-22
EP0271693A3 EP0271693A3 (en) 1989-03-15
EP0271693B1 true EP0271693B1 (fr) 1991-10-30

Family

ID=6801183

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87116253A Expired - Lifetime EP0271693B1 (fr) 1986-12-16 1987-11-04 Mâchoire avant pour fixations de sécurité de ski

Country Status (5)

Country Link
US (1) US4930802A (fr)
EP (1) EP0271693B1 (fr)
JP (1) JPS63160683A (fr)
AT (1) ATE68984T1 (fr)
DE (2) DE8633619U1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT390380B (de) * 1988-07-04 1990-04-25 Tyrolia Freizeitgeraete Sicherheitsskibindung
DE3905445A1 (de) * 1989-02-22 1990-08-23 Marker Deutschland Gmbh Vorderbacken fuer sicherheitsskibindungen
JP2787517B2 (ja) * 1991-05-16 1998-08-20 日本石油株式会社 圧縮物性に優れたピッチ系炭素繊維の製造方法
DE19518760A1 (de) * 1995-05-22 1996-11-28 Marker Deutschland Gmbh Vorderbacken einer Skisicherheitsbindung
US7086662B2 (en) * 2001-01-30 2006-08-08 Trak Sports Usa, Inc. Ski binding
FR2843701B1 (fr) 2002-08-22 2004-11-05 Look Fixations Sa Fixation avant pour engin de sports de glisse

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA714441A (en) * 1965-07-27 Pierre A. Habegger Safety attachment device for skis
FR1372663A (fr) * 1963-08-09 1964-09-18 Perfectionnements à la fixation des skis
FR2125790A5 (fr) * 1971-02-16 1972-09-29 Salomon & Fils F
DE2209055C3 (de) * 1972-02-25 1984-04-19 Marker, Hannes, 8100 Garmisch-Partenkirchen Vorderbacken für Sicherheits-Skibindungen
DE2254522B2 (de) * 1972-11-08 1977-08-11 Vereinigte Baubeschlagfabriken Gretsch & Co Gmbh, 7250 Leonberg Vorderabstuetzvorrichtung fuer sicherheits-skibindungen
AT321170B (de) * 1972-12-18 1975-03-25 Smolka & Co Wiener Metall Skibindungsteil
DE2637870C3 (de) * 1976-08-23 1979-09-27 Vereinigte Baubeschlagfabriken Gretsch & Co Gmbh, 7250 Leonberg Sicherheitsskibindung
DE3343943C2 (de) * 1983-12-05 1995-07-20 Marker Int Vorderbacken für Sicherheitsskibindungen
DE3403472A1 (de) * 1984-02-01 1985-08-08 Marker Patentverwertungsgesellschaft mbH, Baar Vorderbacken fuer sicherheits-skibindungen
DE3515847C2 (de) * 1985-05-02 1994-04-07 Marker Deutschland Gmbh Vorderbacken für Sicherheitsskibindungen
DE3539969C2 (de) * 1985-11-11 1994-09-08 Marker Deutschland Gmbh Vorderbacken für Sicherheits-Skibindungen
US4735435A (en) * 1986-06-05 1988-04-05 Marker Deutschland Gmbh Front-piece for a safety ski-binding

Also Published As

Publication number Publication date
US4930802A (en) 1990-06-05
ATE68984T1 (de) 1991-11-15
JPS63160683A (ja) 1988-07-04
EP0271693A2 (fr) 1988-06-22
EP0271693A3 (en) 1989-03-15
DE8633619U1 (de) 1988-04-14
DE3774250D1 (en) 1991-12-05

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