EP0294402B1 - Adjusting system for ski bindings - Google Patents

Adjusting system for ski bindings Download PDF

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Publication number
EP0294402B1
EP0294402B1 EP87906999A EP87906999A EP0294402B1 EP 0294402 B1 EP0294402 B1 EP 0294402B1 EP 87906999 A EP87906999 A EP 87906999A EP 87906999 A EP87906999 A EP 87906999A EP 0294402 B1 EP0294402 B1 EP 0294402B1
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EP
European Patent Office
Prior art keywords
ski
slide
guide plate
locking
locking member
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
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EP87906999A
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German (de)
French (fr)
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EP0294402A1 (en
Inventor
Karl Stritzl
Henry Freisinger
Hubert Würthner
Andreas Riegler
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TMC Corp
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TMC Corp
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Publication of EP0294402A1 publication Critical patent/EP0294402A1/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
    • A63C9/005—Ski bindings with means for adjusting the position of a shoe holder or of the complete binding relative to the ski

Definitions

  • the invention relates to an adjustment device for ski bindings, as specified in the first part of claims 1 and 2, respectively.
  • the actuator is designed as a slide which is displaceable transversely to the longitudinal direction of the ski and which can be locked by a spring.
  • the slide is provided with a recess into which an extension of the locking member, which is designed as a two-armed lever, engages.
  • This adjustment device has the disadvantage that, due to the teeth which are triangular in plan view, the latching element is subjected to a torque during operation which attempts to disengage the teeth of the latching element from the teeth of the toothed rack.
  • the surface pressure between the extension of the locking member, which sits on the shorter lever arm, and the recess in the slide, in which the extension engages is so great that, after prolonged use of the adjusting device, deformations can occur which result in unintentional unlocking of locking element and toothed rack result.
  • Adjusting devices of a different type than the subject of the invention are described in AT-A-375 260. These adjustment devices have a frame-shaped guide plate which is provided with angled guides in the region of its longitudinal edges. As a result, however, deflection and thus pressing the guide plate against the slide by the latching elements is not possible.
  • the locking members are designed as one-armed levers.
  • the invention has for its object to eliminate the disadvantages of the known designs and to provide an adjustment device for ski bindings, in which the locking of the carriage is not only brought about by positive locking, but also by force locking.
  • a guide plate fastened to the ski is approximately U-shaped in cross section, with a row of holes being recessed in one leg of the U here as well.
  • a slide is slidably mounted on this guide plate, which carries latching teeth at its one end region, which are intended for engagement in the row of holes. The slide can be swiveled so far within the guide plate that the locking teeth can be pulled out of the row of holes.
  • a two-armed lever is rotatably mounted in a recess of the slide on an axis perpendicular to the top of the ski, the longer arm of which is supported in the locked position of the adjusting device on the leg of the guide plate free of holes.
  • the shorter arm of the lever rests on an actuator which fixes the lever either in a position in which the longer arm projects laterally over the slide, or in a position in which this arm is flush with the side surface of the slide.
  • This version has the disadvantage of a complicated structure, since either the axis of the lever or the axis of the actuator must be stored in a rubber-elastic intermediate sleeve in order to achieve the desired effect (locking the lever in two positions).
  • the lever is therefore under the influence of a spring, which sets limits to the contact pressure and thereby reduces friction. This is all the more so since the contact pressure is reduced by the lever reduction at the point of application.
  • the measure of claim 4 enables simple manufacture of the toe.
  • FIG. 1 is a partially sectioned side view of a ski binding equipped with an adjustment device according to the invention
  • FIG. 2 is a plan view of a first embodiment of an adjustment device with the cover and adjusting screw removed in the locked state
  • FIG. 3 is a section along the line III-III in FIG. 2.
  • FIG. 4 is a plan view of the adjusting device according to FIGS. 2 and 3, likewise with the cover and adjusting screw removed, but in the unlocked state
  • FIG. 5 is a section along the line V - V in FIG. 4.
  • FIGS 6 and 7 are top views of a second and third embodiment of the adjusting device according to the invention in the locked position, the cover and the adjusting screw being removed.
  • Fig. 8 shows a top view of a last embodiment game of an adjustment device according to the invention, again in the locked position.
  • Fig. 1 denotes a ski on which a ski binding designated in its entirety with 2 is attached.
  • This ski binding 2 has a mounting plate 3 in its rear area and a base plate 4 in its front area.
  • the two plates 3 and 4 are screwed onto the top of the ski 1 by means of screws 7.
  • a pivot pin 5 is attached to the mounting plate 3 and is used for the pivotable mounting of a guide plate 8.
  • This carries at its rear end a heel holder 9, not described in detail.
  • a ski brake 10, which is only indicated in the drawing, is arranged in the guide plate 8.
  • a slide 11 is guided, which carries the sole holder 12b of a two-part front jaw 12 at its front end.
  • the front part of the front jaw 12 is designed as a guide bracket 12a for the sole holder 12b and is guided on the base plate 4 so as to be longitudinally displaceable.
  • the slide 11 carries a sliding plate 6 on its underside.
  • the design of the toe 12 and the heel holder 9 is not in itself an object of the invention. For this reason, the special design of these binding parts is not discussed.
  • the carriage 11 can be adjusted relative to the guide plate 8 by means of an adjusting device forming the subject of the invention, as shown in FIGS. 2 to 5.
  • the guide plate 8 is fork-shaped. At least one (8a) of the two fork tines 8a, 8b, which are spring-mounted transversely to the longitudinal axis of the ski, is provided with a toothed strip 8c.
  • the slide 11 guided on the guide plate 8 in the longitudinal direction of the ski is approximately U-shaped in cross section and open at the top.
  • the two legs 11 and 11b of the carriage 11 have inwardly directed flanges 11c and 11d.
  • On the base 11 e of the slide 11, a locking member 14 provided with locking teeth 14c is pivotally mounted on an axis 15 against the force of a leg spring 23.
  • a threaded bore 11f is recessed in the base 11e of the slide 11, into which a set screw 17 is screwed, which forms the actuator.
  • the adjusting screw 17 has a cone 17b following the screw head 17a, to which the threaded portion 17c of the adjusting screw connects.
  • the latching member 14 and the support plate 16 have V-shaped recesses 14d and 16a in plan view, which are chamfered on their upper edge.
  • the distance between the support plate 16 and the side of the locking member 14 opposite the locking teeth 14c is smaller than the diameter of the adjusting screw 17.
  • the support plate 16 is freely movable relative to the base 11e of the slide 11, it cannot be lost when the adjusting device 13 is unlocked.
  • Plates 18a and 18b made of low-friction plastic are attached to the guide plate 8.
  • the carriage 11 is covered at least in the region of the adjusting device 13 by a cover 19 which is U-shaped in cross section in order to prevent the penetration of snow and contaminants.
  • This cover 19 has in its central region a recess 19a, which allows the set screw 17 to pass through.
  • the set screw 17 is first unscrewed so far that the locking teeth 14c of the locking member 14 are disengaged under the influence of the leg spring 23 come from the teeth of the toothed rack 8c (see FIG. 4). Then the carriage 11 is adjusted according to the size of the ski boot to be used.
  • the set screw 17 is tightened.
  • the cone 17b of the screw 17 lies against the chamfered edges of the V-shaped recesses 14d and 16a of the latching member 14 or support plate 16.
  • the latching teeth 14c are pressed into the tooth spaces of the toothed rack 8c.
  • the support plate 16 is pressed against the other fork prong 8b of the guide plate 8. This fork tine 8b is thereby pressed against the leg 11b of the carriage 11.
  • the carriage 11 is opposite the guide plate 8 not only by positive locking between the locking teeth 14c of the locking member 14 and the rack 8c, but also by frictional engagement between the support plate 16 and the fork 8b or between the two fork 8a, 8b and Legs 11a, 11b of the carriage 11 set.
  • adjusting devices 13 ', 13 ", 13'” shown in FIGS. 6 to 8 differ from those shown in FIGS. 2 to 5 in that instead of a single locking element and a support plate, two locking elements 14'a, 14th 'b; 14 "a, 14" b; 14 "'a, 14"' b, two leg springs 23 ', 23 ", 23'” and two toothed strips 8'c, 8'd assigned to the locking members; 8 “c, 8" d; 8 “'c, 8”' d are provided.
  • the threaded bores are designated by 11'f and 11 "f.
  • the two latching members 14'a, 14'b are in with respect to the vertical longitudinal center plane or to the axis of the threaded bore 11'f arranged in mirror image, whereas the locking members 14 "a, 14" b in the adjusting device 13 "according to FIG. 7 with respect to the axis of the threaded bore 11" f centrally symmetrically mounted are.
  • 15'a and 15'b or 15 "a and 15" b in FIGS. 6 and 7 denote the axes of the locking members 14'a and 14'b or 14 "a and 14" b.
  • the adjusting device 13 '"according to FIG. 8 is similar to the embodiment according to FIG. 6, in that the two latching elements 14"' a and 14 '"as well as their axes 15"' a and 15 “'b with respect to it However, here a wedge 20 is arranged between the free ends of the two locking members 14 "'a and 14"' b, which is under the influence of a compression spring 22 and whose displacement against the force of this spring, for example by means of a Eccentric 21 which can be rotated by hand and acts as an actuator.
  • the unlocked position of the adjusting device 13 '" is indicated by dash-dotted lines.

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

Abstract

These ski bindings have a slide (11) with a U-shaped cross section carrying a part of the binding, and a forked guide plate (8) mounted on the ski and serving to guide the slide (11), said plate being provided with at least one toothed bar (8c). Associated with the latter is an engagement element (14), of the lever type, provided with engagement teeth (14c) mounted to pivot on the slide (11) and actuatable by an adjusting component (17 or 20). In order to achieve locking of the slide (11) in relation to the guide plate (8) not only by form-locking but in addition by a force connection (friction), the tops (8a, 8b) of the guide plate (8) have an elastic configuration approximately transversely to the direction of adjustment, the adjustment component (17) presses, in the engagement position of the engagement element (14), the tops (8a, 8b) against the side-pieces (11, 11b) of the slide (11), and the engagement element (14) is in the form of a lever with one arm.

Description

Die Erfindung bezieht sich auf eine Verstelleinrichtung für Skibindungen, wie sie im ersten Teil des Anspruches 1 bzw. 2 angegeben ist.The invention relates to an adjustment device for ski bindings, as specified in the first part of claims 1 and 2, respectively.

Eine derartige Verstelleinrichtung ist in der DE-A-1 954 512 bereits beschrieben. Bei dieser Verstelleinrichtung ist das Stellglied als Schieber ausgebildet, der quer zur Skilängsrichtung verschiebbar ist und der durch eine Feder verrastbar ist. Der Schieber ist mit einer Ausnehmung versehen, in welche ein Fortsatz des Rastgliedes, das als zweiarmiger Hebel ausgebildet ist, eingreift.Such an adjustment device has already been described in DE-A-1 954 512. In this adjustment device, the actuator is designed as a slide which is displaceable transversely to the longitudinal direction of the ski and which can be locked by a spring. The slide is provided with a recess into which an extension of the locking member, which is designed as a two-armed lever, engages.

Diese Verstelleinrichtung hat den Nachteil, daß infolge der in Draufsicht dreieckigen Zähne das Rastglied im Betrieb einem Drehmoment unterworfen wird, das die Zähne des Rastgliedes außer Eingriff mit den Zähnen der Zahnleiste zu bringen sucht. Durch dieses Drehmoment wird aber der Flächendruck zwischen dem Fortsatz des Rastgliedes, der am kürzeren Hebelarm sitzt, und der Ausnehmung im Schieber, in welche der Fortsatz eingreift, so groß, daß es nach längerem Gebrauch der Verstelleinrichtung zu Verformungen kommen kann, welche eine unbeabsichtigte Entriegelung von Rastglied und Zahnleiste zur Folge haben.This adjustment device has the disadvantage that, due to the teeth which are triangular in plan view, the latching element is subjected to a torque during operation which attempts to disengage the teeth of the latching element from the teeth of the toothed rack. By this torque, however, the surface pressure between the extension of the locking member, which sits on the shorter lever arm, and the recess in the slide, in which the extension engages, is so great that, after prolonged use of the adjusting device, deformations can occur which result in unintentional unlocking of locking element and toothed rack result.

Verstelleinrichtungen einer anderen Gattung als der Erfindungsgegenstand sind in der AT-A-375 260 beschrieben. Diese Verstelleinrichtungen besitzen eine rahmenförmige Führungsplatte, die im Bereich ihrer in Längsrichtung verlaufenden Ränder mit abgewinkelten Führungen versehen ist. Dadurch ist aber eine Durchbiegung und damit ein Anpressen der Führungsplatte durch die Rastglieder an den Schlitten nicht möglich. Allerdings sind bei diesen Ausführungsformen die Rastglieder als einarmige Hebel ausgebildet.Adjusting devices of a different type than the subject of the invention are described in AT-A-375 260. These adjustment devices have a frame-shaped guide plate which is provided with angled guides in the region of its longitudinal edges. As a result, however, deflection and thus pressing the guide plate against the slide by the latching elements is not possible. However, in these embodiments, the locking members are designed as one-armed levers.

Die Erfindung stellt sich die Aufgabe, die Nachteile der bekannten Ausführungen zu beseitigen und eine Verstelleinrichtung für Skibindungen zu schaffen, bei der die Verriegelung des Schlittens nicht nur durch Formschluß, sondern gleichzeitig auch durch Kraftschluß herbeigeführt wird.The invention has for its object to eliminate the disadvantages of the known designs and to provide an adjustment device for ski bindings, in which the locking of the carriage is not only brought about by positive locking, but also by force locking.

Ausgehend von einer Verstelleinrichtung gemäß dem ersten Teil des Anspruches 1 bzw. 2 wird diese Aufgabe erfindungsgemäß durch die Merkmale des kennzeichnenden Teiles eines dieser Ansprüche gelöst. Bei diesen Ausführung en werden die Zähne des bzw. jedes Rastgliedes mit Formschluß zwischen die Zähne der Zahnleiste gedrückt. Gleichzeitig aber werden die Zinken der gabelförmigen Führungsplatte an die Schenkel des U-förmigen Schlittens gepreßt, wodurch der Schlitten gegenüber der Führungsplatte auch durch Reibung festgehalten wird.Starting from an adjusting device according to the first part of claim 1 or 2, this object is achieved according to the invention by the features of the characterizing part of one of these claims. In this embodiment, the teeth of the or each locking member are pressed with a positive fit between the teeth of the toothed rack. At the same time, however, the tines of the fork-shaped guide plate are pressed against the legs of the U-shaped slide, as a result of which the slide is also held against the guide plate by friction.

An sich ist der Gedanke, bei einer Verstelleinrichtung für Skibindungen den Schlitten nicht nur durch Formschluß, sondern auch durch Reibung festzuhalten, bereits bekannt, wie die FR-A-2 578 434 zeigt. Bei der darin beschriebenen Ausführungsform ist eine am Ski befestigte Führungsplatte im Querschnitt etwa U-förmig ausgebildet, wobei auch hier im einen Schenkel des U eine Lochreihe ausgespart ist. Auf dieser Führungsplatte ist ein Schlitten verschiebbar gelagert, der an seinem einen Endbereich Rastzähne trägt, welche zum Eingriff in die Lochreihe bestimmt sind. Der Schlitten läßt sich innerhalb der Führungsplatte so weit verschwenken, daß die Rastzähne aus der Lochreihe herausgezogen werden können.As such, the idea of holding the sled not only by positive locking but also by friction in an adjustment device for ski bindings is already known, as shown in FR-A-2 578 434. In the embodiment described therein, a guide plate fastened to the ski is approximately U-shaped in cross section, with a row of holes being recessed in one leg of the U here as well. A slide is slidably mounted on this guide plate, which carries latching teeth at its one end region, which are intended for engagement in the row of holes. The slide can be swiveled so far within the guide plate that the locking teeth can be pulled out of the row of holes.

Um jedoch ein ungewolltes Lösen der Verstelleinrichtung zu verhindern, ist in einer Ausnehmung des Schlittens auf einer zur Skioberseite senkrechten Achse ein zweiarmiger Hebel drehbar gelagert, dessen längerer Arm sich in der verriegelten Stellung der Verstelleinrichtung an dem von Löchern freien Schenkel der Führungsplatte abstützt. Der kürzere Arm des Hebels liegt an einem Stellglied an, das den Hebel entweder in einer Stellung, in der der längere Arm über den Schlitten seitlich vorragt, oder aber in einer Stellung, in der dieser Arm mit der Seitenfläche des Schlittens fluchtet, festlegt.However, in order to prevent an unintentional loosening of the adjusting device, a two-armed lever is rotatably mounted in a recess of the slide on an axis perpendicular to the top of the ski, the longer arm of which is supported in the locked position of the adjusting device on the leg of the guide plate free of holes. The shorter arm of the lever rests on an actuator which fixes the lever either in a position in which the longer arm projects laterally over the slide, or in a position in which this arm is flush with the side surface of the slide.

Diese Ausführung hat den Nachteil eines komplizierten Aufbaues, da zum Erreichen des angestrebten Effektes (Verriegelung des Hebels in zwei Lagen) entweder die Achse des Hebels oder die Achse des Stellgliedes in einer gummielastischen Zwischenhülse gelagert werden muß. Der Hebel steht daher unter dem Einfluß einer Feder, welche der Anpreßkraft Grenzen setzt und dadurch die Reibung vermindert. Dies umso mehr, als die Anpreßkraft durch die Hebeluntersetzung im Angriffspunkt reduziert ist.This version has the disadvantage of a complicated structure, since either the axis of the lever or the axis of the actuator must be stored in a rubber-elastic intermediate sleeve in order to achieve the desired effect (locking the lever in two positions). The lever is therefore under the influence of a spring, which sets limits to the contact pressure and thereby reduces friction. This is all the more so since the contact pressure is reduced by the lever reduction at the point of application.

Der Gegenstand des Anspruches 3 gewährleistet eine besonders einfache Ausgestaltung des Stellgliedes.The subject matter of claim 3 ensures a particularly simple design of the actuator.

Die Maßnahme des Anspruches 4 ermöglicht eine einfache Herstellung des Vorderbackens.The measure of claim 4 enables simple manufacture of the toe.

Durch das Merkmal des Anspruches 5 wird dem Konstrukteur die Möglichkeit gegeben, den Ort der Betätigung des Stellgliedes aus dem Bereich der freien Enden des Rastgliedes weg zu verlegen.Due to the feature of claim 5, the designer is given the opportunity to move the location of the actuation of the actuator away from the area of the free ends of the locking member.

Schließlich wird durch die Maßnahme des Anspruches 6 eine zuverlässige Rückführung des Rastgliedes in seine entrastete Lage sichergestellt.Finally, the measure of claim 6 ensures reliable return of the locking member to its unlocked position.

Im folgenden wird die Erfindung anhand der Zeichnung näher erläutert. Fig. 1 ist eine teilweise geschnittene Seitenansicht einer mit einer erfindungsgemäßen Verstelleinrichtung ausgestatteten Skibindung, Fig. 2 eine Draufsicht auf eine erste Ausführungsform einer Verstelleinrichtung mit abgenommener Abdeckung und Stellschraube in verriegeltem Zustand und Fig. 3 ein Schnitt nach der Linie III - III in Fig. 2. Fig. 4 ist eine Draufsicht auf die Verstelleinrichtung gemäß den Fig. 2 und 3, gleichfalls mit abgenommener Abdeckung und Verstellschraube, jedoch in entriegeltem Zustand und Fig. 5 ein Schnitt nach der Linie V - V in Fig. 4. In den Fig. 6 und 7 sind Draufsichten auf eine zweite bzw. dritte Ausführungsform der erfindungsgemäßen Verstelleinrichtung in der verriegelten Lage wiedergegeben, wobei wiederum die Abdeckung und die Stellschraube entfernt sind. Schließlich zeigt Fig. 8 eine Draufsicht auf ein letztes Ausführungsbeispiel einer erfindungsgemäßen Verstelleinrichtung, wieder in der verriegelten Lage.The invention is explained in more detail below with reference to the drawing. 1 is a partially sectioned side view of a ski binding equipped with an adjustment device according to the invention, FIG. 2 is a plan view of a first embodiment of an adjustment device with the cover and adjusting screw removed in the locked state, and FIG. 3 is a section along the line III-III in FIG. 2. FIG. 4 is a plan view of the adjusting device according to FIGS. 2 and 3, likewise with the cover and adjusting screw removed, but in the unlocked state, and FIG. 5 is a section along the line V - V in FIG. 4. In FIGS 6 and 7 are top views of a second and third embodiment of the adjusting device according to the invention in the locked position, the cover and the adjusting screw being removed. Finally, Fig. 8 shows a top view of a last embodiment game of an adjustment device according to the invention, again in the locked position.

In Fig. 1 ist mit 1 ein Ski bezeichnet, auf dem eine in ihrer Gesamtheit mit 2 bezeichnete Skibindung befestigt ist. Diese Skibindung 2 weist in ihrem hinteren Bereich eine Montageplatte 3 und in ihrem vorderen Bereich eine Grundplatte 4 auf. Die beiden Platten 3 und 4 sind mittels Schrauben 7 auf der Oberseite des Ski 1 angeschraubt. Dabei ist an der Montageplatte 3 ein Drehzapfen 5 angesetzt, welcher zur schwenkbaren Lagerung einer Führungsplatte 8 dient. Diese trägt an ihrem hinteren Ende einen nicht näher beschriebenen Fersenhalter 9. In der Führungsplatte 8 ist eine Skibremse 10, die in der Zeichnung nur angedeutet ist, angeordnet. Am vorderen Ende der Führungsplatte 8 ist ein Schlitten 11 geführt, welcher an seinem vorderen Ende den Sohlenhalter 12b eines zweiteiligen Vorderbackens 12 trägt. Der vordere Teil des Vorderbackens 12 ist als Führungsbock 12a für den Sohlenhalter 12b ausgestaltet und an der Grundplatte 4 längsverschiebbar geführt. An seinem vorderen Ende trägt der Schlitten 11 an seiner Unterseite eine Gleitplatte 6.In Fig. 1, 1 denotes a ski on which a ski binding designated in its entirety with 2 is attached. This ski binding 2 has a mounting plate 3 in its rear area and a base plate 4 in its front area. The two plates 3 and 4 are screwed onto the top of the ski 1 by means of screws 7. A pivot pin 5 is attached to the mounting plate 3 and is used for the pivotable mounting of a guide plate 8. This carries at its rear end a heel holder 9, not described in detail. A ski brake 10, which is only indicated in the drawing, is arranged in the guide plate 8. At the front end of the guide plate 8, a slide 11 is guided, which carries the sole holder 12b of a two-part front jaw 12 at its front end. The front part of the front jaw 12 is designed as a guide bracket 12a for the sole holder 12b and is guided on the base plate 4 so as to be longitudinally displaceable. At its front end, the slide 11 carries a sliding plate 6 on its underside.

Die Ausgestaltung des Vorderbackens 12 und des Fersenhalters 9 bildet an sich keinen Gegenstand der Erfindung. Aus diesem Grunde wird auf die besondere Ausbildung dieser Bindungsteile nicht eingegangen. Der Schlitten 11 kann mittels einer den Gegenstand der Erfindung bildenden Verstelleinrichtung, wie sie in den Fig. 2 bis 5 dargestellt ist, gegenüber der Führungsplatte 8 verstellt werden.The design of the toe 12 and the heel holder 9 is not in itself an object of the invention. For this reason, the special design of these binding parts is not discussed. The carriage 11 can be adjusted relative to the guide plate 8 by means of an adjusting device forming the subject of the invention, as shown in FIGS. 2 to 5.

Gemäß den Fig. 2 bis 5 ist die Führungsplatte 8 gabelförmig ausgebildet. Dabei ist mindestens die eine (8a) der beiden quer zur Skilängsachse federnd ausgebildeten Gabelzinken 8a, 8b mit einer Zahnleiste 8c versehen. Der an der Führungsplatte 8 in Längsrichtung des Ski geführte Schlitten 11 ist im Querschnitt angenähert U-förmig und nach oben offen. Die beiden Schenkel 11 und 11b des Schlittens 11 tragen nach innen gerichtete Flansche 11 c und 11 d. An der Basis 11 e des Schlittens 11 ist ein mit Rastzähnen 14c versehenes Rastglied 14 auf einer Achse 15 gegen die Kraft einer Schenkelfeder 23 schwenkbar gelagert. Auf der Oberseite der Basis 11 e befindet sich eine Stützplatte 16, welche dem die Rastzähne 14c tragenden Ende des Rastgliedes 14 gegenüberliegt und frei beweglich ist.2 to 5, the guide plate 8 is fork-shaped. At least one (8a) of the two fork tines 8a, 8b, which are spring-mounted transversely to the longitudinal axis of the ski, is provided with a toothed strip 8c. The slide 11 guided on the guide plate 8 in the longitudinal direction of the ski is approximately U-shaped in cross section and open at the top. The two legs 11 and 11b of the carriage 11 have inwardly directed flanges 11c and 11d. On the base 11 e of the slide 11, a locking member 14 provided with locking teeth 14c is pivotally mounted on an axis 15 against the force of a leg spring 23. On the top of the base 11 e there is a support plate 16, which is opposite the end of the locking member 14 carrying the locking teeth 14 c and is freely movable.

In der Längsmittelebene der Verstelleinrichtung 13 ist im Bereich zwischen der Stützplatte 16 und dem die Rastzähne 14c tragenden Ende des Rastgliedes 14 in der Basis 11e des Schlittens 11 eine Gewindebohrung 11f ausgespart, in welche eine Stellschraube 17 eingeschraubt ist, die das Stellglied bildet. Die Stellschraube 17 weist im Anschluß an den Schraubenkopf 17a einen Konus 17b auf, an den sich der Gewindeabschnitt 17c der Stellschraube anschließt. An ihrer der Stellschraube 17 zugewendeten Seite tragen das Rastglied 14 und die Stützplatte 16 in Draufsicht V-förmige Ausnehmungen 14d bzw. 16a, die an ihrem oberen Rande abgefast sind. Im entriegelten Zustand der Verstelleinrichtung 13 ist infolge der Schenkelfeder 23 der Abstand zwischen der Stützplatte 16 und der den Rastzähnen 14c gegenüberliegenden Seite des Rastgliedes 14 kleiner als der Durchmesser der Stellschraube 17. Obwohl die Stützplatte 16 gegenüber der Basis 11e des Schlittens 11 frei beweglich ist, kann sie beim Entriegeln der Verstelleinrichtung 13 daher nicht verloren gehen.In the longitudinal center plane of the adjusting device 13, in the area between the support plate 16 and the end of the locking member 14 carrying the locking teeth 14c, a threaded bore 11f is recessed in the base 11e of the slide 11, into which a set screw 17 is screwed, which forms the actuator. The adjusting screw 17 has a cone 17b following the screw head 17a, to which the threaded portion 17c of the adjusting screw connects. On their side facing the adjusting screw 17, the latching member 14 and the support plate 16 have V-shaped recesses 14d and 16a in plan view, which are chamfered on their upper edge. In the unlocked state of the adjusting device 13, due to the leg spring 23, the distance between the support plate 16 and the side of the locking member 14 opposite the locking teeth 14c is smaller than the diameter of the adjusting screw 17. Although the support plate 16 is freely movable relative to the base 11e of the slide 11, it cannot be lost when the adjusting device 13 is unlocked.

Auf der Führungsplatte 8 sind Platten 18a und 18b aus reibungsarmem Kunststoff angebracht. Der Schlitten 11 wird zumindest im Bereich der Verstelleinrichtung 13 durch eine im Querschnitt U-förmige Abdeckung 19 abgedeckt, um das Eindringen von Schnee und Verunreinigungen zu unterbinden. Diese Abdeckung 19 besitzt in ihrem mittleren Bereich eine Ausnehmung 19a, welche den Durchtritt der Stellschraube 17 ermöglicht.Plates 18a and 18b made of low-friction plastic are attached to the guide plate 8. The carriage 11 is covered at least in the region of the adjusting device 13 by a cover 19 which is U-shaped in cross section in order to prevent the penetration of snow and contaminants. This cover 19 has in its central region a recess 19a, which allows the set screw 17 to pass through.

Soll die Skibindung 2 auf eine gewünschte Schuhgröße eingestellt werden, d.h. der Abstand des mit dem Schlitten 11 verbundenen Sohlenhalters 12b des Vorderbackens 12 gegenüber dem an der Führungsplatte 8 befestigten Fersenhalter 9 verändert werden, so wird zunächst die Stellschraube 17 so weit herausgeschraubt, daß die Rastzähne 14c des Rastgliedes 14 unter dem Einfluß der Schenkelfeder 23 außer Eingriff von den Zähnen der Zahnleiste 8c kommen (s. Fig. 4). Danach wird der Schlitten 11 entsprechend der Größe des einzusetzenden Skischuhs eingestellt.If the ski binding 2 is to be set to a desired shoe size, i.e. the distance of the sole holder 12b connected to the carriage 11 of the front jaw 12 compared to the heel holder 9 fastened to the guide plate 8 is changed, the set screw 17 is first unscrewed so far that the locking teeth 14c of the locking member 14 are disengaged under the influence of the leg spring 23 come from the teeth of the toothed rack 8c (see FIG. 4). Then the carriage 11 is adjusted according to the size of the ski boot to be used.

Ist die gewünschte Lage des Schlittens 11 gegenüber der Führungsplatte 8 erreicht, so wird die Stellschraube 17 festgezogen. Dabei legt sich der Konus 17b der Schraube 17 gegen die abgefasten Ränder der V-förmigen Ausnehmungen 14d bzw. 16a von Rastglied 14 bzw. Stützplatte 16. Dadurch werden die Rastzähne 14c in die Zahnlücken der Zahnleiste 8c gedrückt. Dies hat aber zur Folge, daß auch die Gabelzinke 8a der Führungsplatte 8 gegen den benachbarten Schenkel 11 des Schlittens 11 gedrückt und an diesem durch Reibung festgehalten wird. Gleichzeitig wird die Stützplatte 16 gegen die andere Gabelzinke 8b der Führungsplatte 8 gedrückt. Diese Gabelzinke 8b wird dadurch gegen den Schenkel 11 b des Schlittens 11 gepreßt. Auf diese Weise ist der Schlitten 11 gegenüber der Führungsplatte 8 nicht nur durch Formschluß zwischen den Rastzähnen 14c des Rastgliedes 14 und der Zahnleiste 8c, sondern auch durch Reibungsschluß zwischen der Stützplatte 16 und der Gabelzinke 8b bzw. zwischen den beiden Gabelzinken 8a, 8b und den Schenkeln 11a, 11 b des Schlittens 11 festgelegt.When the desired position of the carriage 11 relative to the guide plate 8 has been reached, the set screw 17 is tightened. In this case, the cone 17b of the screw 17 lies against the chamfered edges of the V-shaped recesses 14d and 16a of the latching member 14 or support plate 16. As a result, the latching teeth 14c are pressed into the tooth spaces of the toothed rack 8c. However, this has the consequence that the fork prong 8a of the guide plate 8 is pressed against the adjacent leg 11 of the carriage 11 and is held there by friction. At the same time, the support plate 16 is pressed against the other fork prong 8b of the guide plate 8. This fork tine 8b is thereby pressed against the leg 11b of the carriage 11. In this way, the carriage 11 is opposite the guide plate 8 not only by positive locking between the locking teeth 14c of the locking member 14 and the rack 8c, but also by frictional engagement between the support plate 16 and the fork 8b or between the two fork 8a, 8b and Legs 11a, 11b of the carriage 11 set.

Die in den Fig. 6 bis 8 dargestellten Ausführungsformen von Verstelleinrichtungen 13', 13", 13'" unterscheiden sich von der in den Fig. 2 bis 5 gezeigten dadurch, daß anstelle eines einzigen Rastgliedes und einer Stutzplatte zwei Rastglieder 14'a, 14'b; 14"a, 14"b; 14"'a, 14"'b, zwei Schenkelfedern 23', 23", 23'" sowie zwei den Rastgliedern zugeordnete Zahnleisten 8'c, 8'd; 8"c, 8"d; 8"'c, 8"'d vorgesehen sind. Mit 11'f und 11"f sind die Gewindebohrungen bezeichnet.The embodiments of adjusting devices 13 ', 13 ", 13'" shown in FIGS. 6 to 8 differ from those shown in FIGS. 2 to 5 in that instead of a single locking element and a support plate, two locking elements 14'a, 14th 'b; 14 "a, 14" b; 14 "'a, 14"' b, two leg springs 23 ', 23 ", 23'" and two toothed strips 8'c, 8'd assigned to the locking members; 8 "c, 8" d; 8 "'c, 8"' d are provided. The threaded bores are designated by 11'f and 11 "f.

Bei der in Fig. 6 dargestellten Verstelleinrichtung 13' sind die beiden Rastglieder 14'a, 14'b in bezug auf die vertikale Längsmittelebene bzw. auf die Achse der Gewindebohrung 11'f spiegelbildlich angeordnet, wogegen die Rastglieder 14"a, 14"b bei der Verstelleinrichtung 13" nach Fig. 7 in bezug auf die Achse der Gewindebohrung 11"f zentrisch symmetrisch gelagert sind. Mit 15'a und 15'b bzw. 15"a und 15"b sind in den Fig. 6 und 7 die Achsen der Rastglieder 14'a und 14'b bzw. 14"a und 14"b bezeichnet.In the adjusting device 13 'shown in FIG. 6, the two latching members 14'a, 14'b are in with respect to the vertical longitudinal center plane or to the axis of the threaded bore 11'f arranged in mirror image, whereas the locking members 14 "a, 14" b in the adjusting device 13 "according to FIG. 7 with respect to the axis of the threaded bore 11" f centrally symmetrically mounted are. 15'a and 15'b or 15 "a and 15" b in FIGS. 6 and 7 denote the axes of the locking members 14'a and 14'b or 14 "a and 14" b.

Die Verstelleinrichtung 13'" nach Fig. 8 ist der Ausführung nach Fig. 6 insofern ähnlich, als auch bei ihr die beiden Rastglieder 14"'a und 14'" sowie deren Achsen 15"'a und 15"'b in bezug auf die vertikale Längsmittelebene spiegelbildlich angeordnet sind. Allerdings ist hier zwischen den freien Enden der beiden Rastglieder 14"'a und 14"'b ein Keil 20 angeordnet, der unter dem Einfluß einer Druckfeder 22 steht und dessen Verschiebung gegen die Kraft dieser Feder z.B. mittels eines von Hand verdrehbaren, als Stellglied wirksamen Exzenters 21 erfolgen kann. Die entriegelte Lage der Verstelleinrichtung 13'" ist mit strichpunktierten Linien angedeutet.The adjusting device 13 '"according to FIG. 8 is similar to the embodiment according to FIG. 6, in that the two latching elements 14"' a and 14 '"as well as their axes 15"' a and 15 "'b with respect to it However, here a wedge 20 is arranged between the free ends of the two locking members 14 "'a and 14"' b, which is under the influence of a compression spring 22 and whose displacement against the force of this spring, for example by means of a Eccentric 21 which can be rotated by hand and acts as an actuator. The unlocked position of the adjusting device 13 '"is indicated by dash-dotted lines.

Claims (6)

1. An adjusting system (13) for ski bindings, which comprises a slide (11) carrying a binding part and having an approximately U-shaped cross-section and a guide plate (8), which is fork-shaped when viewed in a plan view and which is mounted on the ski (1) and serves to guide the slide (11), legs of the slide (11) engaging the prongs (8a, 8b) of said guide plate from outside and one of said prongs (8a) having provided thereon a toothed strip (8c), which extends in the longitudinal direction of the ski and which faces the central longitudinal axis of the ski, said toothed strip (8c) having associated therewith a locking member (14) constructed as a lever and provided with locking teeth (14c), said locking member (14) being supported on the slide (11) on an axle (15) perpendicular to the top surface of the ski and being adapted to be actuated by means of an adjusting member (17), characterized in that the guide plate (8) is supported on the top surface of the ski such that it is horizontally pivotable by means of a pivot (5) orientated perpendicular to said top surface of the ski, the prongs (8a, 8b) of the guide plate (8) being of such a nature that they are resilient transversely to the central longitudinal axis of the ski, that the prong (8a) of the guide plate (8) carrying the toothed strip (8c) is adapted to be pivoted towards the neighbouring leg (11a) of the slide (11) under the influence of the adjusting member (17) and via the locking member (14), that on the side of the slide (11) located opposite the locking member (14) a supporting plate (16) is supported such that it is freely movable, said supporting plate (16) being supported on the slide (11) on the side of the locking member (14) located opposite the side of the locking member (14) carrying the locking teeth (14c), and the side of the supporting plate (16) facing away from the locking member (14) being in contact with the toothfree prong (8b) of the guide plate (8), and that the locking member (14) is constructed as a one-armed lever (Fig. 2 to 5).
2. An adjusting system (13'; 13"; 13"') for ski bindings, which comprises a slide (11'; 11"; 11 "') carrying a binding part and having an approximately U-shaped cross-section and a guide plate (8), which is fork-shaped when viewed in a plan view and which is mounted on the ski and serves to guide the slide, legs of the slide (11'; 11"; 11 "') engaging the prongs (8'a, 8'b; 8"a, 8"b; 8"'a, 8"'b) of said guide plate from outside and at least one of said prongs having provided thereon a toothed strip (8'c; 8"c; 8"'c), which extends in the longitudinal direction of the ski and which faces the central longitudinal axis of the ski, said toothed strip having associated therewith a locking member (14'; 14"; 14"') constructed as a lever and provided with locking teeth (14'c; 14"c; 14"'c), said locking member being supported on the slide (11'; 11"; 11 "') on an axle (15'; 15"; 15"') perpendicular to the top surface of the ski and being adapted to be actuated by means of an adjusting member (17, 20), characterized in that the guide plate (8'; 8"; 8"') is supported on the top surface of the ski such that it is horizontally pivotable by means of a pivot (5) orientated perpendicular to said top surface of the ski, the prongs (8'a, 8'b; 8"a, 8"b; 8"'a, 8"'b) of the guide plate (8'; 8"; 8"') being of such a nature that they are resilient transversely to the central longitudinal axis of the ski and carrying toothed strips (8'c, 8'd; 8"c, 8"d; 8"'c, 8"'d) on their inner sides, and that there are provided two locking members (14'a, 14'b; 14"a, 14"b; 14"'a, 14"'b) carrying locking teeth on their outer sides, said two locking members being additionally arranged symmetrically in relation to the vertical longitudinal mid-plane of the adjusting device (13'; 13"; 13"') and centrally symmetrically in relation to the axis of the adjusting member (17") and pivoting the two tooth-strip carrying prongs (8'a, 8'b; 8"a, 8"b; 8"'a, 8"'b) towards the respective legs of the slide (11'; 11"; 11"') under the influence of the adjusting member (17 and 20, respectively).
3. An adjusting system according to claim 1 or 2, characterized in that the adjusting member (17) is an adjusting screw which is screwed into the base (11e) of the slide (11) with its end (17c) located opposite the screw head (17a) and which is provided with a cone (17b) in its area interacting with the locking member or with each locking member (14 - 14"b), said cone (17b) having associated therewith V-shaped recesses (16a and 14d) in the supporting plate (16) and in the locking member (14) or in the two locking members (14'a, 14'b, 14"a, 14"b) (Fig. 3 and 5).
4. An adjusting system according to claim 2, characterized in that the adjusting member is designed as an eccentric (21) (Fig. 8).
5. An adjusting system according to claim 4, characterized in that a wedge (20), which is acted upon by a compression spring (22), is movably supported between the eccentric (21) and the two locking members (14"'a, 14"'b).
6. An adjusting system according to one of the claims 1 to 5, characterized in that the locking member or each of the locking members (14 - 14"'a, 14"'b) is acted upon by a leg spring (23 - 23"') which tries to lift the locking member off the tooth strip (8c - 8"'c, 8"'d) associated therewith.
EP87906999A 1986-12-18 1987-10-08 Adjusting system for ski bindings Expired - Lifetime EP0294402B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT3363/86 1986-12-18
AT0336386A AT386537B (en) 1986-12-18 1986-12-18 ADJUSTMENT FOR SKI BINDINGS

Publications (2)

Publication Number Publication Date
EP0294402A1 EP0294402A1 (en) 1988-12-14
EP0294402B1 true EP0294402B1 (en) 1990-10-03

Family

ID=3549392

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87906999A Expired - Lifetime EP0294402B1 (en) 1986-12-18 1987-10-08 Adjusting system for ski bindings

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US (1) US4955633A (en)
EP (1) EP0294402B1 (en)
JP (1) JPS63503124A (en)
AT (1) AT386537B (en)
CA (1) CA1289585C (en)
WO (1) WO1988004562A1 (en)

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Also Published As

Publication number Publication date
EP0294402A1 (en) 1988-12-14
US4955633A (en) 1990-09-11
ATA336386A (en) 1988-02-15
WO1988004562A1 (en) 1988-06-30
AT386537B (en) 1988-09-12
JPS63503124A (en) 1988-11-17
CA1289585C (en) 1991-09-24
JPH0363918B2 (en) 1991-10-03

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