EP0320854B1 - Toe iron for a safety ski-binding - Google Patents

Toe iron for a safety ski-binding Download PDF

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Publication number
EP0320854B1
EP0320854B1 EP88120746A EP88120746A EP0320854B1 EP 0320854 B1 EP0320854 B1 EP 0320854B1 EP 88120746 A EP88120746 A EP 88120746A EP 88120746 A EP88120746 A EP 88120746A EP 0320854 B1 EP0320854 B1 EP 0320854B1
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EP
European Patent Office
Prior art keywords
ski
housing
filling piece
release
toe unit
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
EP88120746A
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German (de)
French (fr)
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EP0320854A1 (en
EP0320854B2 (en
Inventor
Ulrich Kowatsch
Martin Bogner
Otto Harsányi
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Geze Sport International GmbH
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Geze Sport International GmbH
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Application filed by Geze Sport International GmbH filed Critical Geze Sport International GmbH
Priority to AT88120746T priority Critical patent/ATE66628T1/en
Publication of EP0320854A1 publication Critical patent/EP0320854A1/en
Publication of EP0320854B1 publication Critical patent/EP0320854B1/en
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    • 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
    • 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
    • A63C9/08557—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
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08592—Structure or making

Definitions

  • the invention relates to a toe of a safety ski binding according to the preamble of claim 1.
  • the sole holder arms preferably form a so-called tilting jaw (DE-A-3734492 published on April 20, 1989, 3742391 published on June 22, 1989), that is to say that the sole holder arms which can be swung out laterally are supported elastically on the binding housing via and about in the tilting surfaces provided on both sides of the central longitudinal axis In the area of the tilting surfaces, substantially vertical tilting axes can be pivoted out elastically to the right or left.
  • the tilting jaw can be in one piece in that the two sole holder arms are firmly connected to one another.
  • the genus of the front jaws according to the invention also include those in which articulated to the binding housing and e.g. sole holder arms held in their normal position by a spring-loaded yoke are provided (DE-A-3337993).
  • the aim of the invention is to create a front jaw of the type mentioned, which despite the fact that it consists of a ski-proof housing and laterally pivotable sole holder arms gives the impression of a one-piece whole from the outside and in particular a largely step-free, corner-free and edge-free outer surface in the area has between the binding housing and the sole holder arms, so that dirt, snow and ice cannot penetrate into the movement mechanism of the toe piece via the freedom of movement, snagging is prevented by an irregular outer surface in the area between the housing and the sole holder arms and also the cleaning and keeping the Binding are significantly favored, and the triggering and resetting behavior is also to be improved.
  • the binding housing passes smoothly over the filling piece without major jumps, edges and corners and in particular in a substantially streamlined manner into the sole holder arms, but it carries the filling piece because of it elastic training also contributes to the release and return behavior of the binding, but only corresponding to a fraction of the return force generated by the release spring, so that the release behavior of the toe piece is mainly determined by the release spring.
  • the filling piece acts radially outside the assigned swivel axis and thus on the side of the swivel axis facing away from the release spring, the swivel axis is relieved to a certain extent from the elastic forces, and the return of the sole holder arms to the normal position is provided by that supplied by the filler piece elastic restoring force favors. Furthermore, when the sole holder arms snap back into their normal position, the filler exerts a damping effect which reduces the wear on the parts of the toe piece which work together
  • the procedure should be as described in claim 4. It is also advantageous here that a particularly uniform contribution of the filling piece to the restoring force is achieved.
  • the filler is advantageously attached according to claim 5.
  • a releasable fastening is preferred in order to be able to replace damaged filler pieces at any time and also to be able to realize different triggering forces by means of filler pieces of different hardness.
  • a particularly economical and simple design of the toe is characterized by claim 6.
  • the technically complex measures for one in their pre-cutting are omitted adjustable trigger spring.
  • the adaptation to the optimal release force for the individual skier can then be brought about.
  • a further advantageous embodiment is characterized by claim 11.
  • the spring properties of the filler can be effectively influenced by the measures of claims 7 to 9.
  • the ribs can protrude beyond the outer surfaces of the housing and the sole holder arms or be flush with them.
  • the two sole holder arms 18 are articulated to one another and to a pull rod 29 via a vertical hinge pin 30.
  • the pull rod 29 is constructed in two parts in the manner shown, these two parts being connected to one another in a form-fitting manner and longitudinally adjustable in the longitudinal direction of the ski via an internal or external thread.
  • the pull rod 29 is connected in a form-fitting manner to a release spring 24, which is designed as a compression spring and is supported at its other end on an abutment 33 fixed to the housing, which centrally has a passage opening for the pull rod 29 having.
  • sole holder arms 18 On the sole holder arms 18 are arranged a ski boot from the supporting rollers 34 with a vertical axis of rotation and the ski boots substantially laterally supporting rollers 35 with a vertical axis of rotation.
  • the sole holder arms 18 also overlap the sole tip from above.
  • the range of motion 11 between the sole holder arms 18 and the binding housing 15 is filled by an elastic filler 12, which on its surfaces facing the outside atmosphere is essentially flush with the outer surfaces 16 and 17 of the housing 15 and the sole holder arm 18
  • the filling piece 12 is at a clear distance 36.
  • the filler piece 12 bears on a support surface 23 of the sole holder arm 18 and on a support surface 24 of the housing 15, which extend essentially in the lateral direction and upwards.
  • a tapered sack cavity 19 is provided in the housing 15 on each side next to the release spring 14, in which a sack cavity 19 engages from the protruding fastening projection 20.
  • the fastening projection 20 passes over an annular step 20, which bears against the support surface 24, into the filler 12 having a larger cross section.
  • the filler 12, the fastening projection 20 and the bag cavity 19 are only shown on the right side of the vertical central longitudinal plane 26. To the left of the central longitudinal plane 26, a corresponding arrangement for filling the range of motion 11 is to be thought of as a mirror image.
  • the binding housing 15 has a base plate 37 with a tread plate 38 projecting behind the sole holder arms 18 and which are fastened to the ski 40 by means of screws 39.
  • the pull rod 29 is arranged with the axis sloping forward relative to the surface of the ski 40 and engages on an upwardly tapering peripheral surface 41 on the hinge pin 30, as described in detail in DE-A-3720440.
  • the filler 12 and the fastening projection 20 are arranged according to FIGS. 2 and 4 in a similar manner as in the embodiment of FIG. 1.
  • Fig. 4 makes it clear that in the side view, the filler 12 falls obliquely from above downwards and backwards to ensure a particularly favorable suspension behavior.
  • FIG. 5 shows only the right half of the toe piece shown in FIG. 2, and only in the cutout 42, which is outlined in FIG. 2 by a dash-dotted line.
  • Fig. 5 shows the right sole holder arm in a laterally pivoted position, in which the filler 12 is elastically compressed
  • the filler 12 has on its lateral surfaces and the upper surface slightly projecting and parallel ribs 25, which according to FIG. 2 with the outer surfaces 16, 17 of the housing 15 or the sole holder arms 18 are flush so that there are grooves projecting inwards between the ribs 25 with respect to the outer surfaces 16, 17.
  • the spring behavior of the filler 12 is influenced favorably.

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  • Footwear And Its Accessory, Manufacturing Method And Apparatuses (AREA)

Abstract

The toe iron for a safety ski binding has a housing (15), which is fixed to the ski, a release spring (14) and sole-holder arms (18) which can be swivelled out laterally relative to the housing (15) and fix the tip of the ski boot on the ski (40) in the lateral direction, but, in the case of lateral forces on the tip of the ski boot above a predetermined release value, swivel out laterally counter to the spring force and release the ski boot. The movement clearance (11) between the housing (15) and the sole-holder arms (18), which can be swivelled out, is filled by an elastic lining (12) at least in the regions adjacent to the outside atmosphere radially outside the assigned swivel axle (18), the elasticity of said lining being limited in such a way that the elastic restoring force, produced by squeezing the lining (12) in the boot release position, on the sole-holder arm (18) makes up only a fraction of the restoring force produced by the release spring (14). <IMAGE>

Description

Die Erfindung betrifft einen Vorderbacken einer Sicherheitsskibindung nach dem Oberbegriff des Patentanspruchs 1.The invention relates to a toe of a safety ski binding according to the preamble of claim 1.

Bei derartigen Vorderbacken bilden die Sohlenhalterarme bevorzugt einen sogenannten Kippbacken (DE-A-3734492 veröffentlicht am 20.4.89, 3742391 veröffentlicht am 22.6.89), d.h., daß die seitlich ausschwenkbaren Sohlenhalterarme über beiderseits der Mittellängsachse vorgesehene Kippflächen elastisch am Bindungsgehäuse abgestützt und um im Bereich der Kippflächen vorgesehene im wesentlichen vertikale Kippachsen nach rechts oder links elastisch ausschwenkbar sind. Der Kippbacken kann dabei einstückig sein, indem die beiden Sohlenhalterarme miteinanderfestverbunden sind. Es ist aber auch möglich, den Kippbacken zweiteilig auszubilden, indem jeder Sohlenhalterarm mit dem Gelenk beispielsweise einer federbeaufschlagten Zugstange gelenkig verbunden ist. Zur Gattung der erfindungsgemäßen Vorderbacken gehören aber auch solche, bei denen fest am Bindungsgehäuse angelenkte und z.B. durch ein federbeaufschlagtes Joch in ihrer Normallage gehaltene Sohlenhalterarme vorgesehen sind (DE-A-3337993).In the case of such front jaws, the sole holder arms preferably form a so-called tilting jaw (DE-A-3734492 published on April 20, 1989, 3742391 published on June 22, 1989), that is to say that the sole holder arms which can be swung out laterally are supported elastically on the binding housing via and about in the tilting surfaces provided on both sides of the central longitudinal axis In the area of the tilting surfaces, substantially vertical tilting axes can be pivoted out elastically to the right or left. The tilting jaw can be in one piece in that the two sole holder arms are firmly connected to one another. However, it is also possible to design the tilting jaw in two parts, in that each sole holder arm is articulated to the joint, for example a spring-loaded pull rod. The genus of the front jaws according to the invention also include those in which articulated to the binding housing and e.g. sole holder arms held in their normal position by a spring-loaded yoke are provided (DE-A-3337993).

Bei derartigen Vorderbacken besteht das Problem, daß zwischen dem skifesten Gehäuse und den seitlich ausschwenkbaren Sohlenhalterarmen ein Bewegungsspielraum vorhanden sein muß, der sich mit Schmutz, Schnee oder Eis zusetzen kann, wodurch die einwandfreie Funktion der Bindung beeinträchtigt wird. Weiter erweisen sich die durch den Bewegungsspielsraum bedingten Vorsprünge, Ecken und Kanten als nachteilig beim Gebrauch der Bindung, abgesehen von der Beeinträchtigung des äußeren Erscheinungsbildes eines derartigen Vorderbackens. Durch die unregelmäßige Außenform derartiger Vorderbacken kann man mit diesen beispielsweise beim Skifahren oder auch beim Transport an Gegenständen oder Personen hängenbleiben.With such front jaws there is the problem that there must be room for movement between the ski-fixed housing and the side-pivoting sole holder arms, which can become clogged with dirt, snow or ice, which impairs the proper functioning of the binding. Furthermore, the projections, corners and edges due to the freedom of movement prove to be disadvantageous when using the binding, apart from the impairment of the external appearance of such a toe piece. Due to the irregular outer shape of such front jaws, they can get caught on objects or people, for example when skiing or during transport.

Das Ziel der Erfindung besteht darin, einen Vorderbacken der eingangs genannten Gattung zu schaffen, welcher trotz des Bestehens aus einem skifesten Gehäuse und seitlich ausschwenkbaren Sohlenhalterarmen von außen den Eindruck eines einteiligen Ganzen erweckt und insbesondere eine weitgehend stufen-, ecken-und kantenfreie Außenfläche im Bereich zwischen dem Bindungsgehäuse und den Sohlenhalterarmen aufweist, so daß Schmutz, Schnee und Eis nicht über den Bewegungsspielraum in den Bewegungsmechanismus des Vorderbackens eindringen können, ein Hängenbleiben durch eine unregelmäßige Außenfläche im Bereich zwischen dem Gehäuse und den Sohlenhalterarmen verhindert wird und auch die Reinigung und Sauberhaltung der Bindung wesentlich begünstigt sind, wobei außerdem das Auslöse- und Rückstellverhalten verbessert werden soll.The aim of the invention is to create a front jaw of the type mentioned, which despite the fact that it consists of a ski-proof housing and laterally pivotable sole holder arms gives the impression of a one-piece whole from the outside and in particular a largely step-free, corner-free and edge-free outer surface in the area has between the binding housing and the sole holder arms, so that dirt, snow and ice cannot penetrate into the movement mechanism of the toe piece via the freedom of movement, snagging is prevented by an irregular outer surface in the area between the housing and the sole holder arms and also the cleaning and keeping the Binding are significantly favored, and the triggering and resetting behavior is also to be improved.

Zur Lösung dieser Aufgabe sind die Merkmale des kennzeichenden Teils des Patentanspruches 1 vorgesehen.To achieve this object, the features of the characterizing part of claim 1 are provided.

Erfindungsgemäß wird also mittels des Füllstücks nicht nur der Zwischenraum zwischen dem Bindungsgehäuse und den Sohlenhalterarmen so ausgefüllt, daß das Bindungsgehäuse über das Füllstück gleichmäßig ohne größere Sprünge, Kanten und Ecken und insbesondere im wesentlich stromlinienförmig in die Sohlenhalterarme übergeht, sondern es trägt das Füllstück aufgrund seiner elastischen Ausbildung auch noch zum Auslöse- und Rückstellverhalten der Bindung bei, allerdings nur entsprechend einem Bruchteil der von derAuslösefeder erzeugten Rückstellkraft, so daß das Auslöseverhalten des Vorderbackens vorwiegend von derAuslösefeder bestimmt wird. Dadurch, daß das Füllstück radial außerhalb der zugeordneten Schwenkachse und damit auf der von der Auslösefeder abgewandten Seite der Schwenkachse wirksam wird, wird die Schwenkachse von den elastischen Kräften in bestimmtem Maße entlastet, und die Rückstellung der Sohlenhalterarme in die Normallage wird durch die vom Füllstück gelieferte elastische Rückstellkraft begünstigt. Weiter übt das Füllstück bei in ihre Normallage zurückschnellenden Sohlenhalterarmen einen Dämpfungseffekt aus, welcher den Verschleiß der miteinander zusammenarbeitenden Teile des Vorderbackens reduziertAccording to the invention, not only is the space between the binding housing and the sole holder arms filled by means of the filling piece such that the binding housing passes smoothly over the filling piece without major jumps, edges and corners and in particular in a substantially streamlined manner into the sole holder arms, but it carries the filling piece because of it elastic training also contributes to the release and return behavior of the binding, but only corresponding to a fraction of the return force generated by the release spring, so that the release behavior of the toe piece is mainly determined by the release spring. Due to the fact that the filling piece acts radially outside the assigned swivel axis and thus on the side of the swivel axis facing away from the release spring, the swivel axis is relieved to a certain extent from the elastic forces, and the return of the sole holder arms to the normal position is provided by that supplied by the filler piece elastic restoring force favors. Furthermore, when the sole holder arms snap back into their normal position, the filler exerts a damping effect which reduces the wear on the parts of the toe piece which work together

Der Beitrag des Füllstückes zum Auslöseverhalten des Vorderbackens bewegt sich bevorzugt im Rahmen der Merkmale des Anspruches 2.The contribution of the filler to the triggering behavior of the toe is preferably within the scope of the features of claim 2.

Die Merkmale des Anspruches 3 sorgen dafür, daß das Bindungsgehäuse über das Füllstück stetig in die Sohlenhalterarme übergehtThe features of claim 3 ensure that the binding housing passes over the filler in the sole holder arms

Um einen zu starken Anstieg der Rückstellkraft bei Zusammendrücken des Füllstücks zu vermeiden, sollte gemäß Anspruch 4 vorgegangen werden. Weiter ist hierbei vorteilhaft, daß ein besonders gleichmäßiger Beitrag des Füllstückes zur Rückstellkraft erzielt wird.In order to avoid an excessive increase in the restoring force when the filler is compressed, the procedure should be as described in claim 4. It is also advantageous here that a particularly uniform contribution of the filling piece to the restoring force is achieved.

Weiter ist das Füllstück vorteilhafterweise gemäß Anspruch 5 befestigt. Eine lösbare Befestigung ist dabei bevorzugt, um zum einen beschädigte Füllstücke jederzeit auswechseln zu können als auch mittels unterschiedlich harter Füllstücke unterschiedliche Auslösekräfte verwirklichen zu können.Furthermore, the filler is advantageously attached according to claim 5. A releasable fastening is preferred in order to be able to replace damaged filler pieces at any time and also to be able to realize different triggering forces by means of filler pieces of different hardness.

Die letzte Alternative dieses Anspruches gewährleistet, daß nur das Füllstück und nicht auch der Befestigungsvorsprung an der elastischen Rückstellung des Sohlenhalterarms teilnimmt.The last alternative of this claim ensures that only the filler and not also the fastening projection takes part in the elastic return of the sole holder arm.

Eine besonders wirtschaftliche und einfache Ausgestaltung des Vorderbackens ist durch Anspruch 6 gekennzeichnet. Hier entfallen die herstellungstechnisch aufwendigen Maßnahmen für eine in ihrer Vorspannung verstellbare Auslösefeder. Durch geeignet farbig ausgelegte unterschiedlich harte Füllstücke kann dann die Anpassung an die für den einzelnen Skifahrer optimale Auslösekraft herbeigeführt werden.A particularly economical and simple design of the toe is characterized by claim 6. Here, the technically complex measures for one in their pre-cutting are omitted adjustable trigger spring. By means of suitably colored fillers of different hardness, the adaptation to the optimal release force for the individual skier can then be brought about.

Eine weitere vorteilhafte Ausgestaltung ist durch Anspruch 11 gekennzeichnet.A further advantageous embodiment is characterized by claim 11.

Die Federeigenschaften des Füllstückes können wirkungsvoll durch die Maßnahmen der Ansprüche 7 bis 9 beeinflußtwerden. Die Rippen können dabei über die Außenflächen des Gehäuses und der Sohlenhalterarme nach außen vorstehen oder mit diesen bündig sein.The spring properties of the filler can be effectively influenced by the measures of claims 7 to 9. The ribs can protrude beyond the outer surfaces of the housing and the sole holder arms or be flush with them.

Aufgrund der Ausführungsform nach Anspruch 10 wird erreicht, daß stets eine satte und spaltfreie Anlage des Füllstückes an den benachbarten Abstützflächen gewährleistet ist. Weiter wird aufgrund dieser Ausbildung eine besonders gute Dämpfungswirkung des Füllstückes beim Zurückschnellen der Sohlenhalterarme aus der Schuhfreigabestellung in die Normalstellung nach einem Auslösevorgang gewährleistet.Due to the embodiment according to claim 10 it is achieved that always a full and gap-free contact of the filler is ensured on the adjacent support surfaces. Furthermore, this design ensures a particularly good damping effect of the filler when the sole holder arms snap back from the shoe release position into the normal position after a triggering process.

Die Erfindung wird im folgenden beispielsweise anhand der Zeichnung beschrieben ; in dieser zeigt :

  • Fig. 1 eine teilweise geschnittene Draufsicht eines als Kippbacken ausgebildeten Vorderbackens gemäß der Erfindung, wobei das erfindungsgemäße Füllstück jedoch nur rechts von der vertikalen Mittellängsebene 26 des Vorderbackens angedeutet ist,
  • Fig. 2 eine teilweise geschnittene Draufsicht einer weiteren Ausführungsform eines erfindungsgemäßen Vorderbackens, welcher bis auf die Anordnung des erfindungsgemäßen Füllstückes 12 der Ausbildung nach der DE-A-3720440, entspricht,
  • Fig. 3 eine teilweise geschnittene Seitenansicht des Gegenstandes der Fig. 2,
  • Fig. 4 eine Seitenansicht des Gegenstandes der Fig. 2, und
  • Fig. 5 den Ausschnitt 42 von Fig. 2 bei seitlich ausgeschwenktem Sohlenhalterarm 18.
The invention is described below, for example with reference to the drawing; in this shows:
  • 1 is a partially sectioned plan view of a front jaw designed as a tilting jaw according to the invention, but the filling piece according to the invention is only indicated to the right of the vertical central longitudinal plane 26 of the front jaw,
  • 2 shows a partially sectioned top view of a further embodiment of a toe piece according to the invention, which corresponds to the configuration according to DE-A-3720440 except for the arrangement of the filler piece 12 according to the invention,
  • 3 is a partially sectioned side view of the object of FIG. 2,
  • Fig. 4 is a side view of the subject of Fig. 2, and
  • 5 shows the detail 42 from FIG. 2 with the sole holder arm 18 pivoted out laterally.

Nach Fig. 1 sind am hinteren Ende eines skifesten Bindungsgehäuses 15 seitlich der vertikalen Mittellängsebene 26 und in einem Abstand davon im wesentlichen vertikal verlaufende Kippflächen 27 vorgesehen, an denen von hinten dazu komplementäre Kippgegenflächen 28 von einen Skischuh seitlich und von vorn haltenden Sohlenhalterarmen 18 anliegen.1, at the rear end of a ski-fixed binding housing 15 to the side of the vertical central longitudinal plane 26 and at a distance therefrom essentially vertical tilting surfaces 27 are provided, against which complementary tilting counter surfaces 28 from a ski shoe on the side and from the front holding sole holder arms 18.

Auf dervertikalen Mittellängsebene 26 sind die beiden Sohlenhalterarme 18 miteinander und mit einer Zugstange 29 über einen vertikalen Gelenkbolzen 30 gelenkig verbunden.On the vertical central longitudinal plane 26, the two sole holder arms 18 are articulated to one another and to a pull rod 29 via a vertical hinge pin 30.

Die Zugstange 29 ist in der dargestellten Weise zweiteilig ausgebildet, wobei diese beiden Teile über ein Innen- bzw. Außengewinde miteinander formschlüssig und in Skilängsrichtung längsverstellbar verbunden sind.The pull rod 29 is constructed in two parts in the manner shown, these two parts being connected to one another in a form-fitting manner and longitudinally adjustable in the longitudinal direction of the ski via an internal or external thread.

Über einen Verstell-Schraubkopf 31 und ein damit formschlüssig verbundenes Federwiderlager 32 ist die Zugstange 29 formschlüssig mit einer Auslösefeder 24 verbunden, die als Druckfeder ausgebildet ist und sich mit ihrem anderen Ende an einem gehäusefesten Widerlager 33 abstützt, welches zentral eine Durchlaßöffnung für die Zugstange 29 aufweist.Via an adjustable screw head 31 and a spring abutment 32 connected to it in a form-fitting manner, the pull rod 29 is connected in a form-fitting manner to a release spring 24, which is designed as a compression spring and is supported at its other end on an abutment 33 fixed to the housing, which centrally has a passage opening for the pull rod 29 having.

An den Sohlenhalterarmen 18 sind einen Skistiefel von vom abstützende Rollen 34 mit vertikaler Drehachse und den Skistiefel im wesentlichen seitlich abstützende Rollen 35 mit vertikaler Drehachse angeordnet. Die Sohlenhalterarme 18 übergreifen die Sohlenspitze auch von oben.On the sole holder arms 18 are arranged a ski boot from the supporting rollers 34 with a vertical axis of rotation and the ski boots substantially laterally supporting rollers 35 with a vertical axis of rotation. The sole holder arms 18 also overlap the sole tip from above.

Zwischen den Sohlenhalterarmen 18 und dem Gehäuse 15 befindet sich ein in Fig. 1 links von der vertikalen Mittellängsebene 26 angedeuteter Bewegungsspielraum 11, der erforderlich ist, um dem Sohlenhalterarm 18 eine Ausschwenkbewegung in Richtung des Pfeiles F zu gestatten. Diese Bewegung führt der Sohlenhalterarm 18 aus, wenn auf den eingestellten und nicht dargestellten Skistiefel eine seitliche übermäßige Kraft wirkt Der Sohlenhalterarm 18 schwenkt dabei um eine durch die Kippfläche 27 und die Kippgegenfläche 28 definierte Schwenkachse 13, wobei sich die Zugstange 29 nach hinten bewegt und die Auslösefeder 14 entsprechend zusammengedrückt wird.Between the sole holder arms 18 and the housing 15 there is a range of motion 11, indicated in FIG. 1 to the left of the vertical central longitudinal plane 26, which is required in order to allow the sole holder arm 18 to pivot out in the direction of the arrow F. This movement is carried out by the sole holder arm 18 when excessive lateral force acts on the set and not shown ski boot. The sole holder arm 18 pivots about a pivot axis 13 defined by the tilt surface 27 and the counter tilt surface 28, the pull rod 29 moving backwards and the Release spring 14 is compressed accordingly.

Erfindungsgemäß ist gemäß der Darstellung rechts von der vertikalen Mittellängsebene 26 der Bewegungsspielraum 11 zwischen den Sohlenhalterarmen 18 und dem Bindungsgehäuse 15 durch ein elastisches Füllstück 12 ausgefüllt, welches an seinen zur Außenatmosphäre hin gelegenen Oberflächen im wesentlichen bündig mit den Außenflächen 16 bzw. 17 des Gehäuses 15 und des Sohlenhalterarmes 18 istAccording to the invention, to the right of the vertical central longitudinal plane 26, the range of motion 11 between the sole holder arms 18 and the binding housing 15 is filled by an elastic filler 12, which on its surfaces facing the outside atmosphere is essentially flush with the outer surfaces 16 and 17 of the housing 15 and the sole holder arm 18

Nach innen zu dem die Kippfläche 27 tragenden Vorsprung weist das Füllstück 12 einen deutlichen Abstand 36 auf.Inward from the projection carrying the tilting surface 27, the filling piece 12 is at a clear distance 36.

In Skilängsrichtung liegt das Füllstück 12 an einer Abstützfläche 23 des Sohlenhalterarms 18 und an einer Abstützfläche 24 des Gehäuses 15 an, welche sich im wesentlichen in seitlicher Richtung und nach oben erstrecken.In the longitudinal direction of the ski, the filler piece 12 bears on a support surface 23 of the sole holder arm 18 and on a support surface 24 of the housing 15, which extend essentially in the lateral direction and upwards.

Ausgehend von der Abstützfläche 24 ist im Gehäuse 15 jeweils seitlich neben der Auslösefeder 14 ein sich nach vorn verjüngender Sack-Hohlraum 19 vorgesehen, in welchen ein vom Füllstück 12 nach vom wegstehender Befestigungsvorsprung 20 eingreift. Ein beispielsweise von oben nach unten durch entsprechende Bohrungen gesteckter Querstift 21 verbindet das Gehäuse 15 formschlüssig mit dem Befestigungsvorsprung 20.Starting from the support surface 24, a tapered sack cavity 19 is provided in the housing 15 on each side next to the release spring 14, in which a sack cavity 19 engages from the protruding fastening projection 20. A cross pin 21, for example inserted from top to bottom through corresponding bores, positively connects the housing 15 to the fastening projection 20.

Der Befestigungsvorsprung 20 geht über eine Ringstufe 20, die an der Abstützfläche 24 anliegt, in das einen größeren Querschnitt aufweisende Füllstück 12 über.The fastening projection 20 passes over an annular step 20, which bears against the support surface 24, into the filler 12 having a larger cross section.

Das Füllstück 12, der Befestigungsvorsprung 20 und der Sack-Hohlraum 19 sind nur zur rechten Seite der vertikalen Mittellängsebene 26 dargestellt. Links von der Mittellängsebene 26 ist spiegelbildlich eine entsprechende Anordnung zur Ausfüllung des Bewegungsspielraums 11 zu denken.The filler 12, the fastening projection 20 and the bag cavity 19 are only shown on the right side of the vertical central longitudinal plane 26. To the left of the central longitudinal plane 26, a corresponding arrangement for filling the range of motion 11 is to be thought of as a mirror image.

Die Wirkungsweise des beschriebenen Vorderbackens ist wie folgt :The operation of the toe piece described is as follows:

Wenn in Richtung des Pfeiles P eine seitliche Auslösekraft auf den rechten Sohlenhalterarm 18 einwirkt, welche einen vorbestimmten Auslösewert überschreitet, schwenkt der Sohlenhalterarm 18 unter elastischer Zusammendrückung der Auslösefeder 14 und des Füllstückes 12 seitlich aus, bis der Schuh freigegeben wird. Danach schnappt der Sohlenhalterarm 18 unter Einwirkung derAuslösefeder 14 und des Füllstückes 12 wieder in seine in Fig. 1 dargestellte Normallage zurück.If, in the direction of the arrow P, a lateral release force acts on the right sole holder arm 18 which exceeds a predetermined release value, the sole holder arm 18 swings outwards with elastic compression of the release spring 14 and the filling piece 12 until the shoe is released. The sole holder arm 18 then snaps back into its normal position shown in FIG. 1 under the action of the release spring 14 and the filler 12.

Beim Ausführungsbeispiel nach den Fig. 2 bis 5 bezeichnen gleiche Bezugszahlen entsprechende Teile wie in Fig. 1.In the exemplary embodiment according to FIGS. 2 to 5, the same reference numerals designate corresponding parts as in FIG. 1.

In den Fig. 2 bis 4 ist gezeigt, daß das Bindungsgehäuse 15 eine Bodenplatte 37 mit einer hinter die Sohlenhalterarme 18 vorspringenden Trittplatte 38 aufweist, welche mittels Schrauben 39 am Ski 40 befestigt sind.2 to 4 show that the binding housing 15 has a base plate 37 with a tread plate 38 projecting behind the sole holder arms 18 and which are fastened to the ski 40 by means of screws 39.

Nach Fig. 3 ist die Zugstange 29 mit nach vorn relativ zur Oberfläche des Skis 40 abfallender Achse angeordnet und greift an einer nach oben konisch zulaufenden Umfangsfläche 41 am Gelenkbolzen 30 an, wie das in der DE-A-3720440 im einzelnen beschrieben ist.According to Fig. 3, the pull rod 29 is arranged with the axis sloping forward relative to the surface of the ski 40 and engages on an upwardly tapering peripheral surface 41 on the hinge pin 30, as described in detail in DE-A-3720440.

Das Füllstück 12 und der Befestigungsvorsprung 20 sind gemäß den Fig. 2 und 4 in ähnlicher Weise wie beim Ausführungsbeispiel nach Fig. 1 angeordnet. Fig. 4 macht deutlich, daß in der Seitenansicht das Füllstück 12 von oben schräg nach unten und hinten abfällt, um ein besonders günstiges Federungsverhalten zu gewährleisten.The filler 12 and the fastening projection 20 are arranged according to FIGS. 2 and 4 in a similar manner as in the embodiment of FIG. 1. Fig. 4 makes it clear that in the side view, the filler 12 falls obliquely from above downwards and backwards to ensure a particularly favorable suspension behavior.

In Fig. 5 ist nur die rechte Hälfte des in Fig. 2 gezeigten Vorderbackens dargestellt, und zwar nur in dem Ausschnitt 42, der in Fig. 2 durch eine strichpunktierte Linie umrandet ist. Fig. 5 zeigt den rechten Sohlenhalterarm in einer seitlich ausgeschwenkten Stellung, in welcher das Füllstück 12 elastisch zusammengedrückt ist5 shows only the right half of the toe piece shown in FIG. 2, and only in the cutout 42, which is outlined in FIG. 2 by a dash-dotted line. Fig. 5 shows the right sole holder arm in a laterally pivoted position, in which the filler 12 is elastically compressed

Bei der Ausführungsform nach den Fig. 2 bis 5 besitzt das Füllstück 12 auf seinen seitlichen Flächen und der oberen Fläche etwas vorstehende und parallel zueinander verlaufende Rippen 25, welche nach Fig. 2 mit den Außenflächen 16, 17 des Gehäuses 15 bzw. der Sohlenhalterarme 18 bündig sind, so daß zwischen den Rippen 25 bezüglich der Außenflächen 16, 17 nach innen vorspringende Nuten vorliegen. Hierdurch wird das Federverhalten des Füllstückes 12 günstig beeinflußt.In the embodiment according to FIGS. 2 to 5, the filler 12 has on its lateral surfaces and the upper surface slightly projecting and parallel ribs 25, which according to FIG. 2 with the outer surfaces 16, 17 of the housing 15 or the sole holder arms 18 are flush so that there are grooves projecting inwards between the ribs 25 with respect to the outer surfaces 16, 17. As a result, the spring behavior of the filler 12 is influenced favorably.

Claims (10)

1. Toe unit for a ski safety binding comprising a housing fixable to a ski, a release spring and sole clamp arms which are pivotable outwardly to the side relative to the housing against spring force and which locate the tip of the ski boot in the sideways direction on the ski, but pivot sideways outwardly against the spring force and release the ski boot on the occurrence of sideways forces on the tip of the ski boot which lie above a predetermined release value, wherein space for movement is provided at the sides between the housing and the outwardly pivotable sole clamp arms, characterized in that in the normal state the space for movement (11) is filled out, at least in the regions which border on the outside atmosphere, and preferably radially outside of the associated pivot axis (13), by an elastic filling piece (12) the elasticity of which is restricted so that the elastic resetting force at the sole clamp arm (18) generated through compression of the filling piece (12) in the release position of the ski boot only amounts to a fraction of the resetting force generated by the release spring (14), the fraction being preferably in any event smaller than 25%, preferably smaller than 20% and is in particular smaller than 15%.
2. Toe unit in accordance with claim 1, characterized in that the fraction amouts to 15 to 20% related to the lowest resetting force generated by the release spring (14).
3. Toe unit in accordance with anyone of the preceding claims, characterized in that, in the normal state of the toe unit, the filling piece (12) is flush with the outer surface (16) ofthe housing (15) and/orthe outer surface (17) of the sole clamp arm (18), at least at the outside at the side and/or at the top.
4. Toe unit in accordance with anyone of the preceding claims, characterized in that the space for movement (11) has an extent in the longitudinal direction of the ski such that the filling piece (12) is compressed in the ski boot release position relative to the normal position by at most 50%, in particular by 30 to 40% and preferably by 35% of its original volume ; and/or in that the space for movement (11) and the filling piece (12) fitted therein have a substantially uniform thickness in the longitudinal direction of the ski.
5. Toe unit in accordance with anyone of the preceding claims, characterized in that the filling piece (12) is secured to the housing (15), the housing (15) having in particular a blind hollow chamber (19) which extends substantially in the longitudinal direction of the ski in front of the filling piece (12), with a mounting projection (20) arranged on the filling piece (12) and preferably in one piece therewith engaging into the blind holow chamber (19), where it is preferably releasably secured to the housing (15), for example by a transverse pin (21) or by a latching arrangement; and in that the mounting projection (20) has preferably a substantially smaller cross- section than the filling piece (12) and merges into the filling piece (12) via a step (22) which is provided at least at the outer side of the filling piece, and preferably also at the top and at the bottom.
6. Toe unit in accordance with anyone of the preceding claims, characterized in that the release force of the release spring (14) is not adjustable and that instead a set of similarily shaped filling piece (12) with different elasticity is provided which are expediently characterized by different colouring ; and/or in that the oppositely disposed support surfaces (23, 24) of the filling piece (12) on the sole clamp arm (18) and on the housing (15) respectively extend in the normal state of the toe unit parallel to one another and approximately perpendicular to the direction of movementof the support surface (23) on the sole clamp arm (18) at the start of outward pivotal movement.
7. Toe unit in accordance with anyone of preceding claims, characterized in that ribs (25) which preferably extend substantially parallel to the support surfaces (23, 24) are provided on the filling piece (12) at the side and/or at the top, and the ribs (25) being preferably of the same width.
8. Toe unit in accordance with claim 7, characterized in that the ribs (25) are equispaced.
9. Toe unit in accordance with claim 7 or 8, characterized in that the width and spacing of the ribs (25) is the same.
10. Toe unit in accordance with anyone of the preceding claims, characterized in that the filling piece (12) is inserted with a small prestress in the normal state of the toe unit between the support surfaces (23, 24) of the sole damp arm (18) and of the housing (15).
EP88120746A 1987-12-15 1988-12-12 Toe iron for a safety ski-binding Expired - Lifetime EP0320854B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88120746T ATE66628T1 (en) 1987-12-15 1988-12-12 TOE OF A SAFETY SKI BINDING.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3742483A DE3742483C2 (en) 1987-12-15 1987-12-15 Front jaws of a safety ski binding
DE3742483 1987-12-15

Publications (3)

Publication Number Publication Date
EP0320854A1 EP0320854A1 (en) 1989-06-21
EP0320854B1 true EP0320854B1 (en) 1991-08-28
EP0320854B2 EP0320854B2 (en) 1996-08-14

Family

ID=6342656

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88120746A Expired - Lifetime EP0320854B2 (en) 1987-12-15 1988-12-12 Toe iron for a safety ski-binding

Country Status (4)

Country Link
US (1) US4989893A (en)
EP (1) EP0320854B2 (en)
AT (1) ATE66628T1 (en)
DE (2) DE3742483C2 (en)

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DE59004288D1 (en) * 1989-07-21 1994-03-03 Tyrolia Freizeitgeraete Toe pieces.
DE4001950A1 (en) * 1990-01-24 1991-07-25 Geze Sport RELEASABLE SKI BINDING
US5617653A (en) * 1991-04-15 1997-04-08 Andrew S. Walker Break-away cleat assembly for athletic shoe
AT399101B (en) * 1991-08-28 1995-03-27 Tyrolia Freizeitgeraete FRONT JAW
FR2717400B1 (en) * 1994-03-17 1996-05-31 Salomon Sa Fastening element for retaining a shoe resting on a gliding board.
FR2743728B1 (en) 1996-01-19 1998-04-24 Salomon Sa RETAINER OF A SHOE ON A SKI
FR2758732B1 (en) * 1997-01-29 1999-04-16 Look Fixations Sa SECURITY FIXING ON STEM
DE69815558T2 (en) 1997-01-29 2004-04-29 Look Fixations S.A. Safety binding on the top of the ski boot
FR2764202B1 (en) 1997-06-06 1999-07-30 Look Fixations Sa SECURITY ATTACHMENT OF A SKI SHOE
FR2770787B1 (en) * 1997-11-07 2000-01-14 Rossignol Sa IMPROVEMENT FOR A DEVICE FOR RETAINING A SHOE ON A SKI
US6094604A (en) * 1998-03-06 2000-07-25 Honeywell Measurex Devron Inc. Coordinated control of sheet properties by receiving a measured and broadcasted properties data, determining a control action, and broadcasting a predicted changes to other actuators
FR2808453B1 (en) * 2000-05-04 2002-08-02 Salomon Sa RETAINING ELEMENT OF THE FRONT OF A SHOE ON A SKI
FR2819422B1 (en) * 2001-01-12 2003-04-25 Salomon Sa RETAINING ELEMENT FRONT OF AN ALPINE SKI SHOE
EP1637194B1 (en) 2004-09-20 2007-11-21 Look Fixations S.A. Secure binding for a shoe on a snowboard
US7320476B2 (en) 2004-09-20 2008-01-22 Look Fixations S.A. Secure attachment of a boot to a sliding board
DE102013201727A1 (en) * 2013-02-01 2014-08-07 Marker Deutschland Gmbh Heel holder with roll-shaped sole holder

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DE1578974B2 (en) * 1967-11-11 1976-12-09 Vereinigte Baubeschlagfabriken Gretsch & Co Gmbh, 7250 Leonberg SAFETY SKI BINDING
DE1938567A1 (en) * 1969-07-29 1971-02-11 Hannes Marker Tip or heel holding device for safety ski bindings
AT315035B (en) * 1970-12-15 1974-05-10 Wilfried Knetsch Ing Trigger binding
US3825273A (en) * 1971-06-07 1974-07-23 Safe Flight Instrument Ski binding
DE2165314C3 (en) * 1971-12-29 1975-09-04 Vereinigte Baubeschlagfabriken Gretsch & Co Gmbh, 7250 Leonberg Support device for safety ski bindings
US3817543A (en) * 1972-07-24 1974-06-18 W Haff Adjustable harness for ski boot
AT318447B (en) * 1972-10-09 1974-10-25 Smolka & Co Wiener Metall Ski binding part
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DE3720440A1 (en) * 1987-06-19 1989-01-05 Geze Sport SIDE-RELEASABLE FRONT BAKING OF A SAFETY SKI BINDING
DE3734492A1 (en) * 1987-10-12 1989-04-20 Geze Sport BEFORE A FRONT STAND OF A SKIS, FRONT BAKES OF A SAFETY SKI BINDING
DE3742391C2 (en) * 1987-12-14 1996-10-02 Geze Sport Front jaws of a safety ski binding

Also Published As

Publication number Publication date
DE3742483C1 (en) 1989-05-11
ATE66628T1 (en) 1991-09-15
DE3864501D1 (en) 1991-10-02
EP0320854A1 (en) 1989-06-21
US4989893A (en) 1991-02-05
EP0320854B2 (en) 1996-08-14
DE3742483C2 (en) 1994-07-07

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