EP0157091B1 - Heel holder - Google Patents

Heel holder Download PDF

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Publication number
EP0157091B1
EP0157091B1 EP85100664A EP85100664A EP0157091B1 EP 0157091 B1 EP0157091 B1 EP 0157091B1 EP 85100664 A EP85100664 A EP 85100664A EP 85100664 A EP85100664 A EP 85100664A EP 0157091 B1 EP0157091 B1 EP 0157091B1
Authority
EP
European Patent Office
Prior art keywords
lever
spring
clamp
release
release lever
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
EP85100664A
Other languages
German (de)
French (fr)
Other versions
EP0157091A3 (en
EP0157091A2 (en
Inventor
Henry Freisinger
Engelbert Spitaler
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.)
TMC Corp
Original Assignee
TMC Corp
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
Priority claimed from AT0042484A external-priority patent/AT380640B/en
Priority claimed from AT74784A external-priority patent/AT384747B/en
Application filed by TMC Corp filed Critical TMC Corp
Publication of EP0157091A2 publication Critical patent/EP0157091A2/en
Publication of EP0157091A3 publication Critical patent/EP0157091A3/en
Application granted granted Critical
Publication of EP0157091B1 publication Critical patent/EP0157091B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/084Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0847Details of the manual release
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/084Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0841Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable with a single jaw
    • A63C9/0842Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable with a single jaw the jaw pivoting on the body or base about a transverse axis
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/084Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with heel hold-downs, e.g. swingable
    • A63C9/0846Details of the release or step-in mechanism
    • AHUMAN NECESSITIES
    • A63SPORTS; GAMES; AMUSEMENTS
    • A63CSKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00Ski bindings
    • A63C9/08Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/0805Adjustment of the toe or heel holders; Indicators therefor

Definitions

  • the invention relates to a heel holder according to the preamble of claim 1 or 2.
  • a heel holder in which the release spring is arranged in an opening lever designed as a U-shaped component in plan view.
  • the opening lever and spring housing are identical components which can be pivoted about a common transverse axis mounted in the bearing block.
  • the locking rocker is also mounted in the bearing block, so that it can only perform a pivoting movement, but not a vertical movement, during a triggering process.
  • the sole holder itself can be pivoted about a further transverse axis which is also mounted in the bearing block.
  • the trigger spring must be compressed to the same extent during an arbitrary triggering process as during an involuntary triggering process.
  • the locking rocker thus remains permanently under the action of the release spring, so that the sole holder is spring-loaded with the heel of the shoe during the entire disembarkation. It is therefore not possible to get out easily with this known solution.
  • the known solution in the form of a tension spring discloses the use of a return spring which, after releasing the release lever, which also fulfills the function of the spring housing, brings it back into engagement with the locking rocker.
  • This resetting is possible in the known construction due to the fact that the release spring is not relaxed in any position of the release lever or the spring housing; rather, for design reasons, it is continuously pretensioned during an arbitrary release. Getting back into the binding with the ski boot also requires overcoming the release spring located in the pretensioned position in the locking pan of the locking rocker.
  • a heel holder is described in FR-OS 2,513,528.
  • This has a spring housing which receives a release spring, in which a unit consisting of a sole holder, a step spur and a release lever is pivotably mounted on a transverse axis.
  • two control sectors are pivotally mounted about an ideal axis, each of which carries a control curve.
  • the locking element acted upon by the release spring bears against these control curves.
  • a crankshaft is mounted in the unit, which crosses the transverse axis at a right angle and whose crank can be rotated by the heel of the ski boot.
  • the crank is under the influence of a spring, which tries to pivot the crank into a position which is lifted off the step spur.
  • a control body is arranged, which has the shape of a roof-shaped prism.
  • the prism with its parallel boundary surfaces is located between the two control sectors and the crank is removed from the step spur.
  • the crankshaft and with it the prism are pivoted by approximately 90 °, and the two control sectors are pivoted backwards about their ideal pivot axis by the edges of the prism.
  • This design has the disadvantage that a point or line contact occurs between the control sectors and the control body, which leads to severe wear. There is also the risk that the guide grooves for the two control sectors freeze during operation, which questions the functionality of the heel holder.
  • the invention has for its object to eliminate the disadvantages of all known designs and to provide a heel holder of the type outlined at the outset, in which the effort for an arbitrary release is reduced in a simple manner.
  • the measure of claim 3 makes it possible to dimension the release lever on the one hand small and on the other hand still a large one To bring about gear ratio of the lever arms.
  • the feature of claim 5 ensures reliable return of the crankshaft to the position in which it is in contact with the control lever.
  • the measure of claim 6 ensures space-saving accommodation of the spring acting on the control pin.
  • the subject of claim 8 has the advantage that the control pin can move away from the control lever during the boarding process, but that this path does not correspond to the length of the two elongated holes.
  • the detent spring is compressed slightly, but the travel of the spring plate is somewhat reduced compared to normal entry.
  • the measure of claim 9 enables a reliable setting of the release lever in the driving position.
  • the feature of claim 10 also aims in this direction.
  • the pivoting angle of the auxiliary lever is limited in one direction by the subject matter of claim 11.
  • the heel holder shown in FIGS. 1-3 is designated 1 in its entirety. It has an approximately U-shaped bearing block 2 in cross section, the base 2a of which can be displaced and locked in guide rails (not shown) on the top of a ski (not shown).
  • Two axes 3 and 4 are mounted in the two side walls 2b of the bearing block 2.
  • the axis 3 serves as an axis for two articulated brackets 5, a release lever 6 which is approximately U-shaped in plan view and a binding housing 7 which carries a hold-down device 8 and a step spur 9 on its front wall facing the ski boot.
  • the binding housing 7 is connected to the joint plates 5 via two further joint plates 10.
  • a control lever 11 is pivotally mounted on the other axis 4. Furthermore, between the two side walls 2b of the pedestal 2, a U-shaped spring housing 12 in plan view, in which a detent spring 13 is accommodated, which can be adjusted in its bias in a manner known per se, but not shown in the drawing.
  • the detent spring 13 presses on the control lever 11 via a spring plate 14 which is adjustable in the longitudinal direction in the spring housing 12 and which is guided in known manner in oblong holes in the legs of the spring housing 12.
  • the two link plates 5 have elongated holes 5a, which are provided by a bolt 15 are enforced, which is under the influence of two tension springs 16, which try to pull it against the axis 3.
  • the trigger lever 6 is designed with two arms and angled somewhat in the region of its axis of rotation.
  • the trigger lever 6 carries a hook-shaped projection 6a on its load arm; who holds the bolt 15 in the driving position of the heel holder 1.
  • the heel holder 1 In the driving position, the heel holder 1 is in the position shown in FIG. 1. If the heel holder is subjected to an involuntary release, the bolt 15 slides along the control surface 11 a of the control lever 11; the spring plate 14 is pressed back against the force of the detent spring 13, and this is tensioned. As soon as the trigger point is exceeded, the leg spring 7a seated on the axis 3 pivots the binding housing 7 into the entry position (see FIG. 3). This pivoting movement is somewhat supported by the detent spring 13.
  • the release lever 6 is pivoted clockwise against the force of the spring 6c.
  • the projection 6a on each leg of the release lever 6 releases the bolt 15, which can now be moved in the two elongated holes 5a against the force of the two tension springs 16 towards the ski boot. Since the two tension springs 16 are relatively weak, a relatively small effort is required to pivot the heel holder 1 into the open position of the heel holder 1, which is brought about by the leg spring 7a seated on the axis 3, required.
  • the release lever 6 can be pivoted counterclockwise by the leg spring 6c, the projection 6a engaging behind the bolt 15 again (see FIG. 3). The skier can now step into the heel holder 1 again with the ski boot.
  • This heel holder 1 also has a bearing block 2 which is approximately U-shaped in cross section, the base 2a of which can be displaced and locked in guide rails (not shown) on the top of a ski (not shown).
  • Two axes 3 and 4 are mounted in the two side walls 2b of the bearing block 2.
  • the axis 3 serves as a pivot axis for two hinge straps 5, a release lever 6 ′ which is approximately U-shaped in plan view and a binding housing 7 which carries a hold-down device 8 and a step spur 9 on its front wall facing the ski boot.
  • the binding housing 7 is connected to the joint plates 5 via two further joint plates 10.
  • a control lever 11 is pivotally mounted on the other axis 4. Furthermore, between the two side walls 2b of the bearing block 2 there is a U-shaped spring housing 12 in plan view, in which a detent spring 13 is accommodated, which can be adjusted in its pretension in a manner known per se, but not shown in the drawing.
  • the detent spring 13 presses on the control lever 11 via a spring plate 14 which is adjustable in the longitudinal direction in the spring housing 12 and which is guided in known manner in oblong holes in the legs of the spring housing 12.
  • the two link plates 5 have elongated holes 5a, which are provided by a bolt 15 are enforced, which is under the influence of two tension springs 16, which try to pull it against the axis 3.
  • the trigger lever 6 ' has two arms and is angled somewhat in the region of its axis of rotation.
  • the release lever 6 ' On its load arm, the release lever 6 'carries a hook-shaped projection 6'a, which holds the bolt 15 in the driving position of the heel holder 1'.
  • the hook-shaped projection 6'a carries a flat surface 6'd which, in the driving position of the heel holder 1 ', runs perpendicular to the axis of the elongated holes 5a of the two hinge plates 5.
  • This surface 6'd is followed by a guide 6'b, which is open on one side and inclined with respect to the axis of the elongated holes 5a, in which the pin 15 is guided to the end of the guide when the skier with his ski shoe in the heel holder 1 'with a reduced Wants to get in.
  • the release lever 6 ' is under the influence of a leg spring 6'c, which tries to pivot it counterclockwise and the other end of which is anchored to the one link plate 5.
  • a two-armed auxiliary lever 16b is pivotably mounted on an axis 17 at the lower end.
  • This lever 16b is also under the influence of a leg spring 16a, which tends to pivot the auxiliary lever 16b counterclockwise.
  • the other end of the leg spring 16a abuts a pin 18 which is arranged in the power arm of the release lever 6 'in the transverse direction.
  • This pin 18 also serves to fix the release lever 6 'relative to the binding housing 7 by means of the auxiliary lever 16b.
  • a stop arranged on the binding housing 7 is designated, which limits the pivoting angle of the auxiliary lever 16b counterclockwise.
  • the heel holder 1 In the driving position, the heel holder 1 'is in the position shown in FIG. 7. If the heel holder is subjected to an involuntary release, the bolt 15 slides along the control surface 11 of the control lever 11; the spring plate 14 is pressed back against the force of the detent spring 13, and this is tensioned. As soon as the trigger point is exceeded, the leg spring 7a seated on the axis 3 pivots the binding housing 7 into the entry position (see FIG. 4). This pivoting movement is somewhat supported by the detent spring 13.
  • the auxiliary lever 16b is pivoted clockwise by the skier against the force of the leg spring 16a.
  • the auxiliary lever 16 thereby releases the pin 18 on the release lever 6 ', which is under the influence of the leg spring 6'c.
  • the bolt 15 arrives in the guides 6'b, the effective lengths of which are somewhat shorter than the length of the two elongated holes 5a in the link plates 5.
  • the detent spring 16 When the hold-down device 8 is depressed with the help of the ski boot of the skier, the detent spring 16 is therefore somewhat compressed, but the path of the spring plate 14 required for boarding is considerably reduced compared to the path during normal boarding, so that the force to be achieved when boarding is considerably reduced .
  • FIGS. 8 and 9 A somewhat modified exemplary embodiment is shown in FIGS. 8 and 9.
  • the exemplary embodiment of a heel holder 1 "shown in these figures has a bearing block 2 'which is approximately U-shaped in cross section and has a base 2'a and two side walls 2'b.
  • the two side walls 2'b bear on the side facing the ski boot
  • the upper side of the pedestal 2 ' approaches 2'd running obliquely downwards towards the ski boot.
  • Two axles 3 and 4 are supported in the two side walls 2'b.
  • the axle 3 serves as a pivot axis for a binding housing 7' which is attached to the ski boot facing side holds a hold-down 8 and a step spur 9.
  • a leg spring 7'a designed as an opening spring is arranged on the axis 3.
  • a control lever 11 is in turn pivotally mounted on the axis 4. Furthermore, the bearing block 2 'receives a detent spring 13, which rests on the side of the control lever 11 facing away from the ski boot by means of a spring plate 14 which can be moved in the longitudinal direction of the spring. which are guided in a known manner in elongated holes, not shown, in the side walls 2'b of the bearing block 2'. Of course, the locking spring 13 is adjustable in its known in its manner in its bias.
  • crankshaft 20 Under the control lever 11 there is a crankshaft 20 which bears with its crank 20a on the control surface 11 of the control lever 11 and which is supported with its two ends in the side walls of the binding housing 7 '.
  • the two side walls 2'b of the bearing block 2 ' have a cutout 2'c in the region of the crankshaft 20, which enables the crankshaft to be rotated by 90 °.
  • a U-shaped trigger lever 6 "in the form of an angle lever is pivotably mounted on semi-axles 21.
  • the load arm of the trigger lever 6" carries a hook-shaped projection 6 "a, which holds the crank 20a of the crankshaft 20 serves in the position in which the crank 20a touches the control surface 11a.
  • the heel holder 1 In the driving position, the heel holder 1 "is in the position shown in FIG. 8. If the heel holder 1" is involuntarily released while the skier is traveling, the binding housing 7 'pivots clockwise about the axis 3. The control lever 11 is pivoted counterclockwise, and the detent spring 13 is tensioned. After the crank 20a of the crankshaft 20 has passed the trigger point on the control lever 11, the binding housing 7 'is pivoted into the entry position under the influence of the leg spring 7'a surrounding the axis 3. The trigger lever 6 ", which is mounted here between the bearing block 2 'and the binding housing 7', takes part in this pivoting movement.
  • the release lever 6 is pivoted clockwise by a predetermined angle by pressure.
  • the hook-shaped projection 6 "a of the release lever 6" releases the crank 20a of the crankshaft 20.
  • This is now pivoted counterclockwise by 90 ° by the control lever 11 under the influence of the detent spring 13.
  • This movement of the crankshaft 20 is further assisted by a surface 6 "b of the release lever 6" which is opposite the projection 6 "a.
  • crank 20a causes the crank 20a to come out of contact with the control lever 11 and the binding housing 7 'can move under the influence of the leg spring 7'a into the entry position, but before the end position is reached, the crank 20a of the crankshaft 20 comes into contact with the two shoulders 2'd of the side walls 2'b of the bearing block 2 '.
  • This contact causes the crankshaft 20 to pivot In this position of the crankshaft 20, the trigger lever 6 "can be pivoted counterclockwise back to its original position, in which it engages behind the crank 20a of the crankshaft 20 with its hook-shaped projection 6".
  • the skier can also step into the ski boot in the heel holder 1 "and swivel it into the driving position.
  • the detent spring in the last exemplary embodiment does not have to be arranged directly in the bearing block, but rather can also be accommodated here in a U-shaped spring housing in plan view, which is rigidly fastened in the bearing block and which carries the elongated holes for guiding the displaceable spring plate resting on the control lever.

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

Description

Die Erfindung bezieht sich auf einen Fersenhalter gemäß dem Oberbegriff des Anspruches 1 oder 2.The invention relates to a heel holder according to the preamble of claim 1 or 2.

Ein derartiger Fersenhalter ist in der US-PS 4,111,453 beschrieben. Bei der bekannten Ausführung ist das Steuerorgan als Bolzen ausgebildet, der in kreisbogenförmigen Führungen des Lagerbockes in nach unten hin offenen kreisbogenförmigen Schlitzen des Gehäuses und schließlich in abgewinkelten Führungsschlitzen eines Schiebers geführt ist. Diese Konstruktion hat den Nachteil, daß zu Beginn der willkürlichen Auslösung eine relativ große Reibung des Bolzens am Auslösehebel auftritt, zumal der Bolzen vom vollen Druck der Rastfeder belastet wird. Außerdem ist der Aufbau des bekannten Fersenhalters verhältnismäßig kompliziert.Such a heel holder is described in US Pat. No. 4,111,453. In the known embodiment, the control element is designed as a bolt which is guided in circular guides of the bearing block in circular slots of the housing which are open at the bottom and finally in angled guide slots of a slide. This construction has the disadvantage that at the beginning of the arbitrary release a relatively large friction of the pin on the release lever occurs, especially since the pin is loaded by the full pressure of the detent spring. In addition, the structure of the known heel holder is relatively complicated.

Aus der CH-PS 500 730 ist ein Fersenhalter bekannt, bei dem die Auslösefeder in einem in der Draufsicht als U-förmiger Bauteil ausgebildeten Öffnungshebel angeordnet ist. Somit sind in diesem Fall Öffnungshebel und Federgehäuse identische Bauteile, welche um eine gemeinsame, im Lagerbock gelagerte Querachse verschwenkbar sind. Die Rastschwinge ist ebenfalls im Lagerbock gelagert, so daß diese während eines Auslösevorganges nur eine Schwenkbewegung, jedoch keine Höhenbewegung durchführen kann. Der Sohlenhalter selbst ist um eine weitere, ebenfalls im Lagerbock gelagerte Querachse verschwenkbar.From CH-PS 500 730 a heel holder is known, in which the release spring is arranged in an opening lever designed as a U-shaped component in plan view. Thus, in this case the opening lever and spring housing are identical components which can be pivoted about a common transverse axis mounted in the bearing block. The locking rocker is also mounted in the bearing block, so that it can only perform a pivoting movement, but not a vertical movement, during a triggering process. The sole holder itself can be pivoted about a further transverse axis which is also mounted in the bearing block.

Zufolge dieser Ausgestaltung muß die Auslösefeder während eines willkürlichen Auslösevorganges im gleichen Ausmaß zusammengedrückt werden, wie bei einem unwillkürlichen Auslösevorgang. Die Rastschwinge verbleibt somit dauernd unter der Wirkung der Auslösefeder, so daß der Sohlenhalter während des gesamten Aussteigens mit dem Schuhabsatz federbelastet ist. Somit kann bei dieser bekannten Lösung kein leichtes Aussteigen erfolgen.As a result of this configuration, the trigger spring must be compressed to the same extent during an arbitrary triggering process as during an involuntary triggering process. The locking rocker thus remains permanently under the action of the release spring, so that the sole holder is spring-loaded with the heel of the shoe during the entire disembarkation. It is therefore not possible to get out easily with this known solution.

Die bekannte Lösung offenbart in der Form einer Zugfeder die Verwendung einer Rückstellfeder, welche nach Loslassen des Auslösehebels denselben, welcher auch die Funktion des Federgehäuses erfüllt, mit der Rastschwinge wieder in Eingriff bringt. Dieses Rückstellen ist bei der bekannten Konstruktion zufolge des Umstandes möglich, daß die Auslösefeder in keiner Lage des Auslösehebels bzw. des Federgehäuses entspannt wird; vielmehr wird sie aus Konstruktionsgründen während eines willkürlichen Auslösens dauernd erhöht vorgespannt. Auch ein Wiedereinsteigen in die Bindung mit dem Skischuh erfordert die Überwindung der in vorgespannter Lage in der Rastpfanne der Rastschwinge befindlichen Auslösefeder.The known solution in the form of a tension spring discloses the use of a return spring which, after releasing the release lever, which also fulfills the function of the spring housing, brings it back into engagement with the locking rocker. This resetting is possible in the known construction due to the fact that the release spring is not relaxed in any position of the release lever or the spring housing; rather, for design reasons, it is continuously pretensioned during an arbitrary release. Getting back into the binding with the ski boot also requires overcoming the release spring located in the pretensioned position in the locking pan of the locking rocker.

Ein weiterer Fersenhalter ist in der FR-OS 2,513,528 beschrieben. Dieser besitzt ein eine Auslösefeder aufnehmendes Federgehäuse, in dem eine aus einem Sohlenhalter, einem Trittsporn und einem Auslösehebel bestehende Einheit auf einer Querachse schwenkbar gelagert ist. An der Hinterseite dieser Einheit sind um eine ideelle Achse zwei Steuersektoren verschwenkbar gelagert, welche je eine Steuerkurve tragen. An diesen Steuerkurven liegt das von der Auslösefeder beaufschlagte Rastglied an. Weiters ist in der Einheit eine Kurbelwelle gelagert, welche die Querachse rechtwinkelig kreuzt und deren Kurbel vom Absatz des Skischuhs verdreht werden kann. Die Kurbel steht unter dem Einfluß einer Feder, welche die Kurbel in eine vom Trittsporn abgehobene Lage zu schwenken sucht. Am Ende der Kurbelwelle ist ein Steuerkörper angeordnet, der die Form eines dachförmigen Prismas aufweist.Another heel holder is described in FR-OS 2,513,528. This has a spring housing which receives a release spring, in which a unit consisting of a sole holder, a step spur and a release lever is pivotably mounted on a transverse axis. At the rear of this unit, two control sectors are pivotally mounted about an ideal axis, each of which carries a control curve. The locking element acted upon by the release spring bears against these control curves. Furthermore, a crankshaft is mounted in the unit, which crosses the transverse axis at a right angle and whose crank can be rotated by the heel of the ski boot. The crank is under the influence of a spring, which tries to pivot the crank into a position which is lifted off the step spur. At the end of the crankshaft, a control body is arranged, which has the shape of a roof-shaped prism.

In der Einsteiglage des Fersenhalters befindet sich das Prisma mit seinen parallelen Begrenzungsflächen zwischen den beiden Steuersektoren, und die Kurbel ist vom Trittsporn entfernt. Wird jedoch der Skischuh in den Fersenhalter eingesetzt, so werden die Kurbelwelle und mit ihr das Prisma um etwa 90° verschwenkt, und die beiden Steuersektoren werden von den Kanten des Prismas um ihre ideelle Schwenkachse nach hinten geschwenkt.In the heel holder's entry position, the prism with its parallel boundary surfaces is located between the two control sectors and the crank is removed from the step spur. However, if the ski boot is inserted into the heel holder, the crankshaft and with it the prism are pivoted by approximately 90 °, and the two control sectors are pivoted backwards about their ideal pivot axis by the edges of the prism.

Diese Ausführung hat den Nachteil, daß zwischen den Steuersektoren und dem Steuerkörper eine Punktoder Linienberührung auftritt, welche zu starken Abnützungen führt. Weiters besteht die Gefahr, daß die Führungsnuten für die beiden Steuersektoren im Betrieb vereisen, was die Funktionsfähigkeit des Fersenhalters in Frage stellt.This design has the disadvantage that a point or line contact occurs between the control sectors and the control body, which leads to severe wear. There is also the risk that the guide grooves for the two control sectors freeze during operation, which questions the functionality of the heel holder.

Die Erfindung stellt sich die Aufgabe, die Nachteile aller bekannten Ausführungen zu beseitigen und einen Fersenhalter der eingangs umrissenen Art zu schaffen, bei dem der Kraftaufwand für eine willkürliche Auslösüng in einfacher Weise reduziert wird.The invention has for its object to eliminate the disadvantages of all known designs and to provide a heel holder of the type outlined at the outset, in which the effort for an arbitrary release is reduced in a simple manner.

Ausgehend von einem Fersenhalter gemäß dem Oberbegriff des Anspruches 1 oder 2 wird diese Aufgabe erfindungsgemäß durch die Merkmale des kennzeichnenden Teiles eines dieser Ansprüche gelöst.Starting from a heel holder according to the preamble 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.

Der in den Ansprüchen 1 und 2 enthaltenen Kennzeichnung liegt somit der gemeinsame Lösungsgedanke zu Grunde, daß in der Fahrtstellung des Fersenhalters und während eines unwillkürlichen Auslösevorganges das Steuerorgan von einem Vorsprung des Auslösehebels am Steuerhebel anliegend gehalten wird und für ein willkürliches Auslösen durch Niederdrücken des Auslösehebels dieser Vorsprung das Steuerorgan freigibt, wodurch der Steuerhebel, unter der Wirkung der ihn beaufschlagenden Rastfeder, aus dem Bereich des Steuerorgans verschwenkt wird, so daß das Gehäuse unter der Wirkung der Öffnungsfeder in die Einsteiglage schwenkt. Anschließend wird das Steuerorgan automatisch in eine Lage gebracht, in der es am Steuerhebel anliegt und, nach Schließen des Fersenhalters, den Steuerhebel wieder unterstützend unverrückbar in Position hält.The marking contained in claims 1 and 2 is therefore based on the common solution that in the driving position of the heel holder and during an involuntary triggering process, the control member is held by a projection of the trigger lever on the control lever and for an arbitrary triggering by depressing the trigger lever thereof Projection releases the control member, whereby the control lever, under the action of the detent spring acting on it, is pivoted out of the area of the control member, so that the housing pivots into the entry position under the action of the opening spring. The control member is then automatically brought into a position in which it rests on the control lever and, after closing the heel holder, holds the control lever immovably again in a supportive position.

Durch die Maßnahme des Anspruches 3 ist es möglich, den Auslösehebel einerseits klein zu bemessen und anderseits trotzdem ein großes Übersetzungsverhältnis der Hebelarme herbeizuführen.The measure of claim 3 makes it possible to dimension the release lever on the one hand small and on the other hand still a large one To bring about gear ratio of the lever arms.

Der Gegenstand des Anspruches 4 ermöglicht eine geschützte und gegen Verschmutzen gesicherte Unterbringung des Auslösehebels.The subject matter of claim 4 enables a protected and secured against soiling housing of the release lever.

Das Merkmal des Anspruches 5 sichert eine zuverlässige Rückführung der Kurbelwelle in diejenige Lage, in der sie mit dem Steuerhebel in Kontakt steht.The feature of claim 5 ensures reliable return of the crankshaft to the position in which it is in contact with the control lever.

Durch die Maßnahme des Anspruches 6 wird eine raumsparende Unterbringung der den Steuerbolzen beaufschlagenden Feder gewährleistet.The measure of claim 6 ensures space-saving accommodation of the spring acting on the control pin.

An sich wäre es denkbar, die beiden Gelenklaschen nach Anspruch 2 durch Längswände des Bindungsgehäuses zu ersetzen. Dies würde jedoch beim Zusammenbau des Fersenhalters Probleme mit sich bringen. Durch die Merkmale des Anspruches 7 wird der Zusammenbau vereinfacht, Material eingespart und eine stabile Lagerung des Steuerbolzens gewährleistet.In itself, it would be conceivable to replace the two link plates according to claim 2 by longitudinal walls of the binding housing. However, this would cause problems when assembling the heel holder. Due to the features of claim 7, the assembly is simplified, material is saved and a stable mounting of the control pin is ensured.

Der Gegenstand des Anspruches 8 bringt den Vorteil mit sich, daß sich der Steuerbolzen beim Einsteigvorgang zwar vom Steuerhebel wegbewegen kann, daß dieser Weg jedoch nicht der Länge der beiden Langlöcher entspricht. Die Rastfeder wird dabei zwar etwas zusammengedrückt, doch ist der Weg des Federtellers gegenüber dem normalen Einsteigen etwas reduziert.The subject of claim 8 has the advantage that the control pin can move away from the control lever during the boarding process, but that this path does not correspond to the length of the two elongated holes. The detent spring is compressed slightly, but the travel of the spring plate is somewhat reduced compared to normal entry.

Die Maßnahme des Anspruches 9 ermöglicht ein zuverlässiges Festlegen des Auslösehebels in der Fahrtstellung. In diese Richtung zielt auch das Merkmal des Anspruches 10.The measure of claim 9 enables a reliable setting of the release lever in the driving position. The feature of claim 10 also aims in this direction.

Durch den Gegenstand des Anspruches 11 wird der Schwenkwinkel des Hilfshebels in einer Richtung begrenzt.The pivoting angle of the auxiliary lever is limited in one direction by the subject matter of claim 11.

In der Zeichnung sind drei beispielsweise Ausführungsformen des Erfindungsgegenstandes rein schematisch dargestellt.

  • Figur 1 ist ein Schnitt durch einen in der Fahrtstellung befindlichen Fersenhalter gemäß der ersten Ausführungsform nach der Linie 1-1 in Figur 2.
  • Figur 2 ist ein Schnitt nach der Linie 11-11 in Figur 1.
  • Figur 3 ist ein der Figur 1 entsprechender Schnitt durch den in der Einsteiglage befindlichen Fersenhalter.
  • Figur 4 ist ein vertikaler Längsmittelschnitt durch den in der Einsteiglage befindlichen Fersenhalter gemäß der zweiten Ausführungsform.
  • Figur 5 ist ein Detail desselben in größerem Maßstab.
  • Figur 6 ist das gleiche Detail des Fersenhalters, der sich aber in der erleichterten Einsteiglage befindet.
  • Ferner ist in Figur 7 die Lage des in der Fahrtstellung befindlichen Fersenhalters unmittelbar vor der willkürlichen Auslösung, also bei bereits niedergedrücktem Auslösehebel, dargestellt.
  • In Fig. 8 ist ein drittes Ausführungsbeispiel im Schnitt nach der Linie VIII-VIII in Figur 9 wiedergegeben.
  • Figur 9 zeigt einen Schnitt nach der Linie IX-IX in Figur 8.
In the drawing, three exemplary embodiments of the subject matter of the invention are shown purely schematically.
  • FIG. 1 is a section through a heel holder in the travel position according to the first embodiment along the line 1-1 in FIG. 2.
  • FIG. 2 is a section along the line 11-11 in FIG. 1.
  • FIG. 3 is a section corresponding to FIG. 1 through the heel holder in the entry position.
  • Figure 4 is a vertical longitudinal central section through the heel holder according to the second embodiment, which is in the entry position.
  • Figure 5 is a detail of the same on a larger scale.
  • Figure 6 is the same detail of the heel holder, but which is in the easier entry position.
  • Furthermore, the position of the heel holder in the driving position is shown in FIG. 7 immediately before the arbitrary release, that is to say with the release lever already depressed.
  • 8 shows a third exemplary embodiment in section along the line VIII-VIII in FIG. 9.
  • Figure 9 shows a section along the line IX-IX in Figure 8.

Der in den Figuren 1-3 dargestellte Fersenhalter ist in seiner Gesamtheit mit 1 bezeichnet. Er besitzt einen im Querschnitt etwa U-förmigen Lagerbock 2, dessen Basis 2a in nicht dargestellten Führungsschienen auf der Oberseite eines nicht gezeigten Ski verschiebbar und feststellbar ist. In den beiden Seitenwänden 2b des Lagerbokkes 2 sind zwei Achsen 3 und 4 gelagert. Von diesen dient die Achse 3 als Achse für zwei Gelenklaschen 5, einen in Draufsicht etwa U-förmigen Auslösehebel 6 und ein Bindungsgehäuse 7, das an seiner dem Skischuh zugewandten Vorderwand einen Niederhalter 8 und einen Trittsporn 9 trägt. Das Bindungsgehäuse 7 ist über zwei weitere Gelenklaschen 10 mit den Gelenklaschen 5 verbunden. Weiters sitzt auf der Achse 3 mindestens eine als Öffnungsfeder wirkende Schenkelfeder 7a.The heel holder shown in FIGS. 1-3 is designated 1 in its entirety. It has an approximately U-shaped bearing block 2 in cross section, the base 2a of which can be displaced and locked in guide rails (not shown) on the top of a ski (not shown). Two axes 3 and 4 are mounted in the two side walls 2b of the bearing block 2. Of these, the axis 3 serves as an axis for two articulated brackets 5, a release lever 6 which is approximately U-shaped in plan view and a binding housing 7 which carries a hold-down device 8 and a step spur 9 on its front wall facing the ski boot. The binding housing 7 is connected to the joint plates 5 via two further joint plates 10. Furthermore, there is at least one leg spring 7a acting as an opening spring on the axis 3.

Auf der anderen Achse 4 ist ein Steuerhebel 11 schwenkbar gelagert. Weiters ist zwischen den beiden Seitenwänden 2b des Lagerbockes 2 ein in Draufsicht U-förmiges Federgehäuse 12, in dem eine Rastfeder 13 untergebracht ist befestigt, welche in an sich bekannter, in der Zeichnung jedoch nicht dargestellter Weise in ihrer Vorspannung eingestellt werden kann. Die Rastfeder 13 drückt über einen im Federgehäuse 12 in dessen Längsrichtung verstellbaren Federteller 14, der in nicht dargestellten Langlöchern in den Schenkeln des Federgehäuses 12 in bekannter Weise geführt wird, auf den Steuerhebel 11. Die beiden Gelenklaschen 5 besitzen Langlöcher 5a, welche von einem Bolzen 15 durchsetzt werden, der unter dem Einfluß von zwei Zugfedern 16 steht, die ihn gegen die Achse 3 zu ziehen suchen. Dadurch liegt der Bolzen 15 stets an der Steuerfläche 11 a des Steuerhebels 11. an. Der Auslösehebel 6 ist zweiarmig ausgebildet und im Bereich seiner Drehachse etwas abgewinkelt. An seinem Lastarm trägt der Auslösehebel 6 einen hakenförmigen Vorsprung 6a; der in der Fahrtstellung des Fersenhalters 1 den Bolzen 15 festhält.On the other axis 4, a control lever 11 is pivotally mounted. Furthermore, between the two side walls 2b of the pedestal 2, a U-shaped spring housing 12 in plan view, in which a detent spring 13 is accommodated, which can be adjusted in its bias in a manner known per se, but not shown in the drawing. The detent spring 13 presses on the control lever 11 via a spring plate 14 which is adjustable in the longitudinal direction in the spring housing 12 and which is guided in known manner in oblong holes in the legs of the spring housing 12. The two link plates 5 have elongated holes 5a, which are provided by a bolt 15 are enforced, which is under the influence of two tension springs 16, which try to pull it against the axis 3. As a result, the bolt 15 is always on the control surface 11 a of the control lever 11. The trigger lever 6 is designed with two arms and angled somewhat in the region of its axis of rotation. The trigger lever 6 carries a hook-shaped projection 6a on its load arm; who holds the bolt 15 in the driving position of the heel holder 1.

In der Fahrtstellung befindet sich der Fersenhalter 1 in der in Figur 1 dargestellten Lage. Wird der Fersenhalter einer unwillkürlichen Auslösung unterworfen, so gleitet der Bolzen 15 entlang der Steuerfläche 11 a des Steuerhebels 11; dabei wird der Federteller 14 gegen die Kraft der Rastfeder 13 zurückgedrückt, und diese wird gespannt. Sobald der Auslösepunkt überschritten ist, schwenkt die auf der Achse 3 sitzende Schenkelfeder 7a das Bindungsgehäuse 7 in die Einsteiglage (s. Figur 3). Diese Schwenkbewegung wird durch die Rastfeder 13 noch etwas unterstützt.In the driving position, the heel holder 1 is in the position shown in FIG. 1. If the heel holder is subjected to an involuntary release, the bolt 15 slides along the control surface 11 a of the control lever 11; the spring plate 14 is pressed back against the force of the detent spring 13, and this is tensioned. As soon as the trigger point is exceeded, the leg spring 7a seated on the axis 3 pivots the binding housing 7 into the entry position (see FIG. 3). This pivoting movement is somewhat supported by the detent spring 13.

Soll der Fersenhalter 1 jedoch willkürlich gelöst werden, so wird der Auslösehebel 6 gegen die Kraft der Feder 6c im Uhrzeigersinn verschwenkt. Dabei gibt der Vorsprung 6a an jedem Schenkel des Auslösehebels 6 den Bolzen 15 frei, der sich nunmehr in den beiden Langlöchern 5a gegen die Kraft der beiden Zugfedern 16 zum Skischuh hin verschieben läßt. Da die beiden Zugfedern 16 relativ schwach sind, ist ein verhältnismäßig geringer Kraftaufwand für das Verschwenken des Fersenhalters 1 in die Offenstellung des Fersenhalters 1, das durch die auf der Achse 3 sitzende Schenkelfeder 7a herbeigeführt wird, erforderlich. Sobald die Offenstellung erreicht ist, kann der Auslösehebel 6 von der Schenkelfeder 6c entgegen dem Uhrzeigersinn verschwenkt werden, wobei der Vorsprung 6a den Bolzen 15 wieder hintergreift (s. Figur 3). Der Skiläufer kann nun mit dem Skischuh wieder in den Fersenhalter 1 einsteigen.However, if the heel holder 1 is to be released arbitrarily, the release lever 6 is pivoted clockwise against the force of the spring 6c. The projection 6a on each leg of the release lever 6 releases the bolt 15, which can now be moved in the two elongated holes 5a against the force of the two tension springs 16 towards the ski boot. Since the two tension springs 16 are relatively weak, a relatively small effort is required to pivot the heel holder 1 into the open position of the heel holder 1, which is brought about by the leg spring 7a seated on the axis 3, required. As soon as the open position is reached, the release lever 6 can be pivoted counterclockwise by the leg spring 6c, the projection 6a engaging behind the bolt 15 again (see FIG. 3). The skier can now step into the heel holder 1 again with the ski boot.

Eine weitere Ausführung ist in den Figuren 4-7 dargestellt. Auch bei diesem Fersenhalter 1' ist ein im Querschnitt etwa U-förmiger Lagerbock 2 vorhanden, dessen Basis 2a in nicht dargestellten Führungsschienen auf der Oberseite eines nicht gezeigten Ski verschiebbar und feststellbar ist. In den beiden Seitenwänden 2b des Lagerbockes 2 sind zwei Achsen 3 und 4 gelagert. Von diesen dient die Achse 3 als Schwenkachse für zwei Gelenklaschen 5, einen in Draufsicht etwa U-förmigen Auslösehebel 6' und ein Bindungsgehäuse 7, das an seiner dem Skischuh zugewandten Vorderwand einen Niederhalter 8 und einen Trittsporn 9 trägt. Das Bindungsgehäuse 7 ist über zwei weitere Gelenklaschen 10 mit den Gelenklaschen 5 verbunden. Weiters sitzt auf der Achse 3 mindestens eine als Öffnungsfeder wirkende Schenkelfeder 7a.Another embodiment is shown in Figures 4-7. This heel holder 1 'also has a bearing block 2 which is approximately U-shaped in cross section, the base 2a of which can be displaced and locked in guide rails (not shown) on the top of a ski (not shown). Two axes 3 and 4 are mounted in the two side walls 2b of the bearing block 2. Of these, the axis 3 serves as a pivot axis for two hinge straps 5, a release lever 6 ′ which is approximately U-shaped in plan view and a binding housing 7 which carries a hold-down device 8 and a step spur 9 on its front wall facing the ski boot. The binding housing 7 is connected to the joint plates 5 via two further joint plates 10. Furthermore, there is at least one leg spring 7a acting as an opening spring on the axis 3.

Auf der anderen Achse 4 ist ein Steuerhebel 11 schwenkbar gelagert. Weiters befindet sich zwischen den beiden Seitenwänden 2b des Lagerbockes 2 ein in Draufsicht U-förmiges Federgehäuse 12, in dem eine Rastfeder 13 untergebracht ist, welche in an sich bekannter, in der Zeichnung jedoch nicht dargestellter Weise in ihrer Vorspannung eingestellt werden kann. Die Rastfeder 13 drückt über einen im Federgehäuse 12 in dessen Längsrichtung verstellbaren Federteller 14, der in nicht dargestellten Langlöchern in den Schenkeln des Federgehäuses 12 in bekannter Weise geführt wird, auf den Steuerhebel 11. Die beiden Gelenklaschen 5 besitzen Langlöcher 5a, welche von einem Bolzen 15 durchsetzt werden, der unter dem Einfluß von zwei Zugfedern 16 steht, die ihn gegen die Achse 3 zu ziehen suchen. Dadurch liegt der Bolzen 15 stets an der Steuerfläche 11 des Steuerhebels 11 an. Der Auslösehebel 6' ist zweiarmig ausgebildet und im Bereich seiner Drehachse etwas abgewinkelt. An seinem Lastarm trägt der Auslösehebel 6' einen hakenförmigen Vorsprung 6'a, welcher in der Fahrtstellung des Fersenhalters 1' den Bolzen 15 festhält.On the other axis 4, a control lever 11 is pivotally mounted. Furthermore, between the two side walls 2b of the bearing block 2 there is a U-shaped spring housing 12 in plan view, in which a detent spring 13 is accommodated, which can be adjusted in its pretension in a manner known per se, but not shown in the drawing. The detent spring 13 presses on the control lever 11 via a spring plate 14 which is adjustable in the longitudinal direction in the spring housing 12 and which is guided in known manner in oblong holes in the legs of the spring housing 12. The two link plates 5 have elongated holes 5a, which are provided by a bolt 15 are enforced, which is under the influence of two tension springs 16, which try to pull it against the axis 3. As a result, the bolt 15 is always in contact with the control surface 11 of the control lever 11. The trigger lever 6 'has two arms and is angled somewhat in the region of its axis of rotation. On its load arm, the release lever 6 'carries a hook-shaped projection 6'a, which holds the bolt 15 in the driving position of the heel holder 1'.

Der hakenförmige Vorsprung 6'a trägt eine ebene Fläche 6'd, welche in der Fahrtstellung des Fersenhalters 1' senkrecht zur Achse der Langlöcher 5a der beiden Gelenklaschen 5 verläuft. An diese Fläch 6'd schließt sich eine gegenüber der Achse der Langlöcher 5a geneigte, einseitig offene Führung 6'b an, in der der Bolzen 15 bis zum Führungsende geführt wird, wenn der Skiläufer mit seinem Skischuh in den Fersenhalter 1' mit einer reduzierten Einsteigkraft einsteigen will. Der Auslösehebel 6' steht unter dem Einfluß einer Schenkelfeder 6'c, welche ihn entgegen dem Uhrzeigersinn zu verschwenken trachtet und deren anderes Ende an der einen Gelenklasche 5 verankert ist.The hook-shaped projection 6'a carries a flat surface 6'd which, in the driving position of the heel holder 1 ', runs perpendicular to the axis of the elongated holes 5a of the two hinge plates 5. This surface 6'd is followed by a guide 6'b, which is open on one side and inclined with respect to the axis of the elongated holes 5a, in which the pin 15 is guided to the end of the guide when the skier with his ski shoe in the heel holder 1 'with a reduced Wants to get in. The release lever 6 'is under the influence of a leg spring 6'c, which tries to pivot it counterclockwise and the other end of which is anchored to the one link plate 5.

In dem dem Niederhalter 8 gegenüberliegenden Bereich des Bindungsgehäuses 7 ist am unteren Ende ein zweiarmiger Hilfshebel 16b auf einer Achse 17 schwenkbar gelagert. Auch dieser Hebel 16b steht unter dem Einfluß einer Schenkelfeder 16a, welche bestrebt ist, den Hilfshebel 16b entgegen dem Uhrzeigersinn zu verschwenken. Das andere Ende der Schenkelfeder 16a liegt an einem Bolzen 18 an, welcher in dem Kraftarm des Auslösehebels 6' in Querrichtung verlaufend angeordnet ist. Dieser Bolzen 18 dient weiters dazu, den Auslösehebel 6' mittels des Hilfshebels 16b gegenüber dem Bindungsgehäuse 7 festzulegen. Mit 19 ist ein am Bindungsgehäuse 7 angeordneter Anschlag bezeichnet, der den Schwenkwinkel des Hilfshebels 16b entgegen dem Uhrzeigersinn begrenzt.In the area of the binding housing 7 opposite the hold-down device 8, a two-armed auxiliary lever 16b is pivotably mounted on an axis 17 at the lower end. This lever 16b is also under the influence of a leg spring 16a, which tends to pivot the auxiliary lever 16b counterclockwise. The other end of the leg spring 16a abuts a pin 18 which is arranged in the power arm of the release lever 6 'in the transverse direction. This pin 18 also serves to fix the release lever 6 'relative to the binding housing 7 by means of the auxiliary lever 16b. With 19 a stop arranged on the binding housing 7 is designated, which limits the pivoting angle of the auxiliary lever 16b counterclockwise.

In der Fahrtstellung befindet sich der Fersenhalter 1' in der in Figur 7 dargestellten Lage. Wird der Fersenhalter einer unwillkürlichen Auslösung unterworfen, so gleitet der Bolzen 15 entlang der Steuerfläche 11 des Steuerhebels 11; dabei wird der Federteller 14 gegen die Kraft der Rastfeder 13 zurückgedrückt, und diese wird gespannt. Sobald der Auslösepunkt überschritten ist, schwenkt die auf der Achse 3 sitzende Schenkelfeder 7a das Bindungsgehäuse 7 in die Einsteiglage (s. Figur 4). Diese Schwenkbewegung wird durch die Rastfeder 13 noch etwas unterstützt.In the driving position, the heel holder 1 'is in the position shown in FIG. 7. If the heel holder is subjected to an involuntary release, the bolt 15 slides along the control surface 11 of the control lever 11; the spring plate 14 is pressed back against the force of the detent spring 13, and this is tensioned. As soon as the trigger point is exceeded, the leg spring 7a seated on the axis 3 pivots the binding housing 7 into the entry position (see FIG. 4). This pivoting movement is somewhat supported by the detent spring 13.

Soll der Fersenhalter 1' jedoch willkürlich gelöst werden (s. Figur 6), so wird der Auslösehebel 6' gegen die Kraft der Feder 6'c im Uhrzeigersinn verschwenkt. Dabei gibt die Fläche 6'd an jedem Schenkel des Auslösehebels 6'den Bolzen 15 frei, der sich nunmehr in den beiden Langlöchern 5a gegen die Kraft der beiden Zugfedern 16 zum Skischuh hin verschieben läßt. Da die beiden Zugfedern 16 relativ schwach sind, ist ein verhältnismäßig geringer Kraftaufwand für das Verschwenken des Fersenhalters 1' in die Offenstellung des Fersenhalters 1', das durch die auf der Achse 3 sitzende Schenkelfeder 7a herbeigeführt wird, erforderlich.However, if the heel holder 1 'is to be released arbitrarily (see FIG. 6), the release lever 6' is pivoted clockwise against the force of the spring 6'c. The surface 6'd on each leg of the release lever 6 ′ releases the bolt 15, which can now be displaced towards the ski boot in the two elongated holes 5a against the force of the two tension springs 16. Since the two tension springs 16 are relatively weak, a relatively small amount of force is required to pivot the heel holder 1 'into the open position of the heel holder 1', which is brought about by the leg spring 7a seated on the axis 3.

Während der Schwenkbewegung des Bindungsgehäuses 7 im Uhrzeigersinn bewegt sich der am Auslösehebel 6' befestigte Bolzen 18, der sich in der Fahrtstellung des Fersenhalters 1' im Abstand vom haken-förmigen Ende des Lastarmes des Hilfshebels 16b befindet (s. Figur 4), gegen dieses Ende hin, wodurch ein Weiterschwenken des Auslösehebels unterbunden wird. Sobald der Bolzen 15 unter dem Einfluß der beiden Zugfedern 16 das Ende des Langloches 5a in jeder Gelenklasche 5 erreicht hat, schnappt der Auslösehebel 6' entgegen dem Uhrzeigersinn in diejenige Lage, in der die Fläche 6'd den Bolzen 15 gegen Verschieben in den beiden Langlöchern 5a sichert. Der Skiläufer kann nun mit dem Skischuh wieder in den Fersenhalter 1' einsteigen.During the pivoting movement of the binding housing 7 in a clockwise direction, the bolt 18 attached to the release lever 6 ', which is in the travel position of the heel holder 1' at a distance from the hook-shaped end of the load arm of the auxiliary lever 16b (see FIG. 4), moves against it End, whereby a further pivoting of the trigger lever is prevented. As soon as the pin 15 has reached the end of the elongated hole 5a in each joint plate 5 under the influence of the two tension springs 16, the release lever 6 'snaps counterclockwise into the position in which the surface 6'd the pin 15 against displacement in the two Long slots 5a secures. The skier can now step into the heel holder 1 'again with the ski boot.

Wird in der in Fig. 4 dargestellten Einsteiglage der Niederhalter 8 niedergetreten, so muß die volle Kraft der Rastfeder 13 vom Skiläufer überwunden werden, was beschwerlich ist. Um dies zu vermeiden, wird der Hilfshebel 16b vom Skiläufer gegen die Kraft der Schenkelfeder 16a im Uhrzeigersinn verschwenkt. Der Hilfshebel 16 gibt dadurch den Bolzen 18 am Auslösehebel 6' frei, der unter dem Einfluß der Schenkelfeder 6'c steht. Der Auslösehebel 6' kann sich daher unter dem Einfluß der Schenkelfeder 6'c entgegen dem Uhrzeigersinn verschwenken. Dadurch gelangt aber der Bolzen 15 in die Führungen 6'b, deren wirksame Längen etwas kürzer als die Länge der beiden Langlöcher 5a in den Gelenklaschen 5 sind. Beim Niedertreten des Niederhalters 8 mit Hilfe des Skischuhs des Skiläufers wird daher die Rastfeder 16 zwar etwas zusammengedrückt, doch ist der zum Einsteigen erforderliche Weg des Federtellers 14 gegenüber dem weg beim normalen Einsteigen wesentlich reduziert, so daß die beim Einsteigen zu leistende Kraft erheblich herabgesetzt wird.If the hold-down device 8 is depressed in the entry position shown in FIG. 4, the full force of the detent spring 13 to be overcome by the skier, which is difficult. To avoid this, the auxiliary lever 16b is pivoted clockwise by the skier against the force of the leg spring 16a. The auxiliary lever 16 thereby releases the pin 18 on the release lever 6 ', which is under the influence of the leg spring 6'c. The trigger lever 6 'can therefore pivot counterclockwise under the influence of the leg spring 6'c. As a result, however, the bolt 15 arrives in the guides 6'b, the effective lengths of which are somewhat shorter than the length of the two elongated holes 5a in the link plates 5. When the hold-down device 8 is depressed with the help of the ski boot of the skier, the detent spring 16 is therefore somewhat compressed, but the path of the spring plate 14 required for boarding is considerably reduced compared to the path during normal boarding, so that the force to be achieved when boarding is considerably reduced .

Ein etwas abgeändertes Ausführungsbeispiel ist in den Figuren 8 und 9 dargestellt. Das in diesen Figuren gezeigte Ausführungsbeispiel eines Fersenhalters 1" besitzt einen im Querschnitt etwa U-förmigen Lagerbock 2', der eine Basis 2'a und zwei Seitenwände 2'b aufweist. Die beiden Seitenwände 2'b tragen auf der dem Skischuh zugewandten Seite von der Oberseite des Lagerbockes 2' schräg nach unten zum Skischuh hin verlaufende Ansätze 2'd. In den beiden Seitenwänden 2'b sind zwei Achsen 3 und 4 gelagert. Die Achse 3 dient als Schwenkachse für ein Bindungsgehäuse 7', das an seiner dem Skischuh zugewandten Seite einen Niederhalter 8 und einen Trittsporn 9 trägt. Weiters ist auf der Achse 3 eine als Öffnungsfeder ausgestaltete Schenkelfeder 7'a angeordnet. Auf der Achse 4 ist wiederum ein Steuerhebel 11 schwenkbar gelagert. Weiters nimmt der Lagerbock 2' eine Rastfeder 13 auf, die über einen in Längsrichtung der Feder verschiebbaren Federteller 14 auf der dem Skischuh abgewendeten Seite des Steuerhebels 11 anliegt. Der Federteller 14 besitzt seitliche Ansätze, welche in nicht dargestellten Langlöchern in den Seitenwänden 2'b des Lagerbockes 2'in bekannter Weise verschiebbar geführt sind. Selbstverständlich ist auch hier die Rastfeder 13 in an sich bekannter Weise in ihrer Vorspannung einstellbar.A somewhat modified exemplary embodiment is shown in FIGS. 8 and 9. The exemplary embodiment of a heel holder 1 "shown in these figures has a bearing block 2 'which is approximately U-shaped in cross section and has a base 2'a and two side walls 2'b. The two side walls 2'b bear on the side facing the ski boot The upper side of the pedestal 2 'approaches 2'd running obliquely downwards towards the ski boot. Two axles 3 and 4 are supported in the two side walls 2'b. The axle 3 serves as a pivot axis for a binding housing 7' which is attached to the ski boot facing side holds a hold-down 8 and a step spur 9. Furthermore, a leg spring 7'a designed as an opening spring is arranged on the axis 3. A control lever 11 is in turn pivotally mounted on the axis 4. Furthermore, the bearing block 2 'receives a detent spring 13, which rests on the side of the control lever 11 facing away from the ski boot by means of a spring plate 14 which can be moved in the longitudinal direction of the spring. which are guided in a known manner in elongated holes, not shown, in the side walls 2'b of the bearing block 2'. Of course, the locking spring 13 is adjustable in its known in its manner in its bias.

Unter dem Steuerhebel 11 befindet sich eine Kurbelwelle 20, welche mit ihrer Kurbel 20a an der Steuerfläche 11 des Steuerhebels 11 anliegt und welche mit ihren beiden Enden in den Seitenwänden des Bindungsgehäuses 7' gelagert ist. Die beiden Seitenwände 2'b des Lagerbockes 2' besitzen im Bereich der Kurbelwelle 20 eine Aussparung 2'c, welche ein Verdrehen der Kurbelwelle um 90° ermöglicht. Weiters ist am Bindungsgehäuse 7' ein in Vorderansicht U-förmiger, als Winkelhebel ausgebildeter Auslösehebel 6" auf Halbachsen 21 schwenkbar gelagert. Der Lastarm des Auslösehebels 6" trägt einen haken- förmigen Vorsprung 6"a, welcher zum Festhalten der Kurbel 20a der Kurbelwelle 20 in derjenigen Lage dient, in der die Kurbel 20a die Steuerfläche 11a berührt.Under the control lever 11 there is a crankshaft 20 which bears with its crank 20a on the control surface 11 of the control lever 11 and which is supported with its two ends in the side walls of the binding housing 7 '. The two side walls 2'b of the bearing block 2 'have a cutout 2'c in the region of the crankshaft 20, which enables the crankshaft to be rotated by 90 °. Furthermore, on the binding housing 7 ', a U-shaped trigger lever 6 "in the form of an angle lever is pivotably mounted on semi-axles 21. The load arm of the trigger lever 6" carries a hook-shaped projection 6 "a, which holds the crank 20a of the crankshaft 20 serves in the position in which the crank 20a touches the control surface 11a.

In der Fahrtstellung befindet sich der Fersenhalter 1" in der in Figur 8 dargestellten Lage. Findet während der Fahrt des Skiläufers eine unwillkürliche Auslösung des Fersenhalters 1" statt, so verschwenkt sich das Bindungsgehäuse 7' um die Achse 3 im Uhrzeigersinn. Dabei wird der Steuerhebel 11 entgegen dem Uhrzeigersinn verschwenkt, und die Rastfeder 13 wird gespannt. Nachdem die Kurbel 20a der Kurbelwelle 20 den Auslösepunkt am Steuerhebel 11 passiert hat, wird das Bindungsgehäuse 7' unter dem Einfluß der die Achse 3 umgebenden Schenkelfeder 7'a in die Einsteiglage verschwenkt. Der Auslösehebel 6", der hier zwischen dem Lagerbock 2' und dem Bindungsgehäuse 7'gelagert ist, nimmt an dieser Schwenkbewegung teil.In the driving position, the heel holder 1 "is in the position shown in FIG. 8. If the heel holder 1" is involuntarily released while the skier is traveling, the binding housing 7 'pivots clockwise about the axis 3. The control lever 11 is pivoted counterclockwise, and the detent spring 13 is tensioned. After the crank 20a of the crankshaft 20 has passed the trigger point on the control lever 11, the binding housing 7 'is pivoted into the entry position under the influence of the leg spring 7'a surrounding the axis 3. The trigger lever 6 ", which is mounted here between the bearing block 2 'and the binding housing 7', takes part in this pivoting movement.

Soll jedoch eine willkürliche Auslösung des Fersenhalters 1" eingeleitet werden, so wird der Auslösehebel 6" durch Druck um einen vorgegebenen, Winkel im Uhrzeigersinn verschwenkt. Dadurch gibt der hakenförmige Vorsprung 6"a des Auslösehebels 6" die Kurbel 20a der Kurbelwelle 20 frei. Diese wird nun durch den unter dem Einfluß der Rastfeder 13 stehenden Steuerhebel 11 entgegen dem Uhrzeigersinn um 90° verschwenkt. Diese Bewegung der Kurbelwelle 20 wird noch durch eine dem Vorsprung 6"a gegenüberliegende Fläche 6"b des Auslösehebels 6" unterstützt. Dadurch gelangt aber die Kurbel 20a außer Berührung von dem Steuerhebel 11, und das Bindungsgehäuse 7' kann sich unter dem Einfluß der Schenkelfeder 7'a in die Einsteiglage verschwenken. Bevor jedoch die Endlage erreicht ist, kommt die Kurbel 20a der Kurbelwelle 20 in Berührung mit den beiden Ansätzen 2'd der Seitenwände 2'b des Lagerbockes 2'. Diese Berührung führt ein Verschwenken der Kurbelwelle 20 um 90° im Uhrzeigersinn herbei. In dieser Lage der Kurbelwelle 20 kann der Auslösehebel 6" entgegen dem Uhrzeigersinn in seine ursprüngliche Lage zurückgeschwenkt werden, in der er mit seinem hakenförmigen Vorsprung 6"a die Kurbel 20a der Kurbelwelle 20 hintergreift. Nunmehr kann der Skiläufer mit dem Skischuh in den Fersenhalter 1" einsteigen und diesen in die Fahrtstellung verschwenken.However, if an arbitrary release of the heel holder 1 "is to be initiated, the release lever 6" is pivoted clockwise by a predetermined angle by pressure. As a result, the hook-shaped projection 6 "a of the release lever 6" releases the crank 20a of the crankshaft 20. This is now pivoted counterclockwise by 90 ° by the control lever 11 under the influence of the detent spring 13. This movement of the crankshaft 20 is further assisted by a surface 6 "b of the release lever 6" which is opposite the projection 6 "a. However, this causes the crank 20a to come out of contact with the control lever 11 and the binding housing 7 'can move under the influence of the leg spring 7'a into the entry position, but before the end position is reached, the crank 20a of the crankshaft 20 comes into contact with the two shoulders 2'd of the side walls 2'b of the bearing block 2 '. This contact causes the crankshaft 20 to pivot In this position of the crankshaft 20, the trigger lever 6 "can be pivoted counterclockwise back to its original position, in which it engages behind the crank 20a of the crankshaft 20 with its hook-shaped projection 6". Now the skier can also step into the ski boot in the heel holder 1 "and swivel it into the driving position.

Selbstverständlich ist die Erfindung keineswegs auf die in der Zeichnung dargestellten und im vorstehenden beschriebenen Ausführungsbeispiele beschränkt. Vielmehr sind verschiedene Abänderungen derselben möglich, ohne den Rahmen der Erfindung zu verlassen. Beispielsweise muß die Rastfederbeim letzten Ausführungsbeispiel nicht unmittelbar im Lagerbock angeordnet sein, sie kann vielmehr auch hier in einem in Draufsicht U-förmigen Federgehäuse untergebracht sein, das im Lagerbock starr befestigt ist und das die Langlöcher zur Führung des verschiebbaren, am Steuerhebel anliegenden Federtellers trägt.Of course, the invention is in no way limited to the exemplary embodiments shown in the drawing and described above. Rather, different modifications of the same are possible without leaving the scope of the invention. For example, the detent spring in the last exemplary embodiment does not have to be arranged directly in the bearing block, but rather can also be accommodated here in a U-shaped spring housing in plan view, which is rigidly fastened in the bearing block and which carries the elongated holes for guiding the displaceable spring plate resting on the control lever.

Claims (11)

1. A heel clamp comprising a mounting block in which a clamp housing subjected to the action of a release spring and carrying a clamp jaw and a step spur at its end facing towards a ski boot, and a control lever subjected to the action of an adjustable-bias detent spring, are mounted on a respective one of two transverse axes disposed at spaced locations from one another in the longitudinal direction of the ski, the side of said control lever facing towards the ski boot cooperating with a control element retained by a release lever in the skiing position of the heel clamp, characterized in that said control element is formed as a crankshaft (20) mounted in a transverse position with respect to the longitudinal axis of the heel clamp (1 ") in a portion of said clamp housing (7') extending below said control lever (11) adjacent the base (2'a) of said mounting block (2'), the crank portion (20a) of said crankshaft being directed vertically upwards and retained in abutment with said control lever (11) by a hook-shaped projection (6"a) of said release lever (6") in the skiing position of said heel clamp (1") and during an unintentional release operation, while being released by said hook-shaped projection (6"a) of said release lever (6") in response to the latter being depressed for an intentional release operation, and adapted to be moved by said control lever (11) under the action thereon of said detent spring (13) to a position permitting said clamp housing (7') to be pivoted to its step-in position by the action of said release spring (7'a), said crankshaft (20) being adapted to be returned to its position in contact with said control lever (11) by the provision on each sidewall (2'b) of said mounting block (2') of a respective projection (2'd) adapted to act on said crank portion (20a) of said crankshaft (20) prior already to reaching said step-in position (fig. 8-9).
2. A heel clamp comprising a mounting block in which a clamp housing subjected to the action of a release spring and carrying a clamp jaw and a step spur at its end portion facing towards a ski boot, and a control lever subjected to the action of an adjustable-bias detent spring are mounted on respective ones of two transverse axes disposed at spaced locations from one another in the longitudinal direction of the ski, the side of said control lever facing towards said ski boot cooperating with a control pin retained by a release lever in the skiing position of said heel clamp, characterized in that said control pin (15), subjected to the action of a spring (16) weaker than said detent spring (13), is guided in elongate holes (5a) of two hinge shackles (5) articulated to said mounting block (2) and operatively connected to said clamp housing (7), and retained in abutment with said control lever (11) by hook-shaped projections (6a, 6'a) of said release lever (6, 6') in the skiing position and during an unintentional release operation, while being released by said release lever (6, 6') as the latter is pivoted in an intentional release operation, and adapted to be moved by said control lever (11) under the action thereon of said detent spring (13) and against the force of said spring (16) acting on said control pin (15) to a position permitting said clamp housing (7) to be pivoted to its step-in position by the action of said release spring (7a), said release lever (6, 6') being subjected to the action of a torsion spring (6c, 6'c) tending to pivot its to its locking position (figs 1-7).
3. A heel clamp according to claim 1, characterized in that at about the same level as said crankshaft (20) said clamp housing (7') has mounted therein two half axle pins (21) on which said release lever (6") is pivotally mounted, said release lever (6") being substantially U-shaped as viewed from above.
4. A heel clamp according to claim 3, characterized in that the two legs of said release lever (6") are disposed between the sidewalls (2'b) of said mounting block (2') and respective sidewalls of said clamp housing (7').
5. A heel clamp according to claim 1, characterized in that the pivot angle of said crankshaft (20) is limited to 90°.
6. A heel clamp according to claim 2, characterized in that said spring acting on said control pin (15) is composed of two tension springs (16) disposed on the outer faces of the two legs of said release lever (6, 6') and having one of their ends connected to said transverse axis (3) for said clamp housing (7), and the other one, to said control pin (15).
7. A heel clamp according to claim 2, characterized in that said hinge shackles (5) have respective ones of their ends mounted in said mounting block (2) on said transverse axis (3) for said clamp housing (7), while their other ends are connected to said clamp housing (7) through two further hinge shackles (10).
8. A heel clamp according to claim 2, characterized in that said release lever (6') is adapted to be locked at three different angular positions relative to said clamp housing (7), and that said release lever (6') is formed with a surface (6'd) extending perpendicular to the longitudinal axis of said elongate holes (5a) for retaining said control pin (15) thereon, and contiguous therewith with respective guides (6'b) angularly inclined relative to said longitudinal axis so as to permit said control pin (15) to be displaced only over a predetermined part of the displacement stroke defined by said elongate holes (5a) as said release lever (6') is pivoted relative to said clamp housing (7).
9. A heel clamp according to claim 2 or 8, characterized in that for locking said release lever (6') in the skiing position there is provided at least one two-armed auxiliary lever acting as a locking member (16b) mounted on said clamp housing (7) and subjected to the action of a torsion spring (16a), so that in the skiing position the hook-shaped end of its load arm is lockingly engaged with a projection (18) of said release lever (6').
10. A heel clamp according to claim 9, characterized in that said projection is formed as a transversely extending pin (18) simultaneously acting as an abutment for one leg of said torsion spring (16a).
11. A heel clamp according to claim 9 or 10, characterized in that the or each auxiliary lever (16b), respectively, cooperates with a stop (19) provided on said clamp housing (7) for limiting the pivot angle of said auxiliary lever (16b) after it has been released.
EP85100664A 1984-02-10 1985-01-23 Heel holder Expired - Lifetime EP0157091B1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT424/84 1984-02-10
AT0042484A AT380640B (en) 1984-02-10 1984-02-10 HEEL REST
AT74784A AT384747B (en) 1984-03-06 1984-03-06 Heel holder
AT747/84 1984-03-06

Publications (3)

Publication Number Publication Date
EP0157091A2 EP0157091A2 (en) 1985-10-09
EP0157091A3 EP0157091A3 (en) 1987-03-25
EP0157091B1 true EP0157091B1 (en) 1990-03-14

Family

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Application Number Title Priority Date Filing Date
EP85100664A Expired - Lifetime EP0157091B1 (en) 1984-02-10 1985-01-23 Heel holder

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EP (1) EP0157091B1 (en)
DE (1) DE3576462D1 (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5690351A (en) 1995-07-21 1997-11-25 Karol; Chris Snowboard binding system
US6053524A (en) * 1997-01-08 2000-04-25 The Burton Corporation Method and apparatus for indicating when a snowboard binding is locked
IT1298824B1 (en) * 1998-03-27 2000-02-02 Htm Sport Spa LEVER STRUCTURE, ESPECIALLY FOR SPORTS FOOTWEAR
US20100298507A1 (en) 2009-05-19 2010-11-25 Menschig Klaus R Polyisobutylene Production Process With Improved Efficiencies And/Or For Forming Products Having Improved Characteristics And Polyisobutylene Products Produced Thereby

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH500730A (en) * 1965-07-15 1970-12-31 Reuge Sa Safety ski binding
FR1521946A (en) * 1966-05-06 1968-04-19 Attachment device for safety ski bindings
US3580597A (en) * 1968-03-22 1971-05-25 Jean Joseph Alfred Beyl Heel downholder for safety ski bindings
AT296839B (en) * 1970-02-03 1972-02-25 Smolka & Co Wiener Metall Trigger binding
AT341393B (en) * 1975-12-19 1978-02-10 Smolka & Co Wiener Metall RELEASE BINDING
DE3033021A1 (en) * 1980-09-02 1982-04-29 Marker, Hannes, 8100 Garmisch-Partenkirchen HEEL REST OF A SAFETY SKI BINDING
DE3033568A1 (en) * 1980-09-05 1982-05-06 Marker, Hannes, 8100 Garmisch-Partenkirchen HEEL REST OF A SAFETY SKI BINDING
DE3105294A1 (en) * 1981-02-13 1982-09-09 Hannes Marker Sicherheits-Skibindungen GmbH & Co KG, 8100 Garmisch-Partenkirchen HEEL REST OF A SAFETY SKI BINDING
FR2506171B1 (en) * 1981-05-22 1985-05-31 Look Sa LOCKING DEVICE FOR SKI BINDING
AT371353B (en) * 1981-09-25 1983-06-27 Tyrolia Freizeitgeraete HEEL REST
DE3460188D1 (en) * 1983-02-16 1986-07-10 Tmc Corp Safety ski binding

Also Published As

Publication number Publication date
US4664406A (en) 1987-05-12
DE3576462D1 (en) 1990-04-19
EP0157091A3 (en) 1987-03-25
EP0157091A2 (en) 1985-10-09

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