EP2319595B1 - Cross-country ski binding with a base plate comprising a fixing hole assembly and base plate - Google Patents

Cross-country ski binding with a base plate comprising a fixing hole assembly and base plate Download PDF

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Publication number
EP2319595B1
EP2319595B1 EP10189961.5A EP10189961A EP2319595B1 EP 2319595 B1 EP2319595 B1 EP 2319595B1 EP 10189961 A EP10189961 A EP 10189961A EP 2319595 B1 EP2319595 B1 EP 2319595B1
Authority
EP
European Patent Office
Prior art keywords
ski
mounting holes
base plate
axis
binding
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.)
Not-in-force
Application number
EP10189961.5A
Other languages
German (de)
French (fr)
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EP2319595A3 (en
EP2319595A2 (en
Inventor
Edwin Lehner
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.)
Salewa Sport AG
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Salewa Sport AG
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Priority claimed from DE102009046396A external-priority patent/DE102009046396A1/en
Priority claimed from DE102010001130A external-priority patent/DE102010001130A1/en
Priority claimed from DE202010001835U external-priority patent/DE202010001835U1/en
Application filed by Salewa Sport AG filed Critical Salewa Sport AG
Publication of EP2319595A2 publication Critical patent/EP2319595A2/en
Publication of EP2319595A3 publication Critical patent/EP2319595A3/en
Application granted granted Critical
Publication of EP2319595B1 publication Critical patent/EP2319595B1/en
Not-in-force legal-status Critical Current
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Classifications

    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/086—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings using parts which are fixed on the shoe of the user and are releasable from the ski binding
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/0807—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings for both towing and downhill skiing
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63C—SKATES; SKIS; ROLLER SKATES; DESIGN OR LAYOUT OF COURTS, RINKS OR THE LIKE
    • A63C9/00—Ski bindings
    • A63C9/08—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings
    • A63C9/085—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable
    • A63C9/08507—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws
    • A63C9/08528—Ski bindings yieldable or self-releasing in the event of an accident, i.e. safety bindings with sole hold-downs, e.g. swingable with a plurality of mobile jaws pivoting about a longitudinal axis

Definitions

  • the present invention relates to a touring ski binding
  • a touring ski binding comprising a base plate having a mounting hole assembly having a plurality of mounting holes for screw mounting the base plate to a ski, a bearing assembly attached to the base plate and adapted to extend a ski boot about a ski longitudinal axis Shoe bearing axis to hold pivotally
  • the mounting hole assembly includes four mounting holes, of which in a plan view of the touring ski binding on a Skiebene two front mounting holes are arranged substantially equidistant from the shoe bearing axis in front of the shoe bearing axis and two rear mounting holes substantially the same distance from the shoe bearing axis are arranged behind the shoe bearing axis.
  • a ski binding of this kind is known in the art and comprises a mounting hole arrangement of a total of five mounting holes, four mounting holes are arranged in the corners of an imaginary rectangle, the longer sides of the shoe bearing axis centered between them, so that the two front mounting holes and the two rear mounting holes are each arranged at the same distance from the shoe bearing axis.
  • the fifth mounting hole is disposed forwardly of the shoe bearing axis approximately on the ski central axis, near an axis of an operating lever with which the binding between an open position and a closed position is actuated.
  • the four fastening screws arranged in the rectangle on the shoe bearing axis stabilize the base plate against the forces exerted by the shoe on the touring ski binding during use.
  • the in the fifth Fixing hole inserted screw near the operating lever axis absorbs during the operation of the operating lever on the base plate in the pulling direction, ie in a direction away from the ski, oriented forces.
  • the well-known touring ski binding further comprises a Verrieglungsmechanismus, with which the bearing assembly is locked so that a pivoting of the ski boot is possible, a release of the ski boot from the bearing assembly, however, is prevented even when exercising a fall triggering force exceeding force.
  • a Verrieglungsmechanismus For locking the user pulls with relatively high force on a locking actuator, which exerts a tensile force (directed away from the ski) on the base plate in the region of the actuating lever axis.
  • Such tensile forces are to be taken up by the screw inserted in the fifth attachment hole and introduced into the ski, so that no excessively heavy and stable base plate has to be used to accommodate these forces.
  • the EP 0 199 098 A2 a touring ski binding comprising a base plate having a mounting hole arrangement and a bearing assembly attached to the base plate.
  • the mounting hole assembly includes exactly two mounting holes disposed on either side of an operating lever axis to which a binding operating lever is pivotally supported on the base plate.
  • the two variants of the prior art presented above select alternative approaches.
  • the former touring ski binding uses five mounting screws to selectively fix the individual load points of the base plate, so that although you can work with a relatively thin and lightweight base plate, but a relatively large number of screws is necessary.
  • the touring ski binding uses the EP 0 199 098 only two fixing screws, but the reduced number of fixing points must be compensated by a significant increase in the plate thickness of the base plate and possibly by larger screws.
  • document DE 3141425 C describes a touring ski binding according to the preamble of claim 1.
  • the object of the invention is to provide a touring ski binding with an improved attachment structure, which can be securely fixed to a ski with a limited number of fastening screws and at the same time has a low overall weight.
  • the touring ski binding according to claim 1 has a binding actuating lever for actuating the touring ski binding, which is held pivotably on a transverse to the ski longitudinal axis actuating lever axis, so in a preferred embodiment of the invention in plan view (projection) on the skiebene the front mounting holes at the same distance arranged by the shoe bearing axis as the operating lever axis. That is, the mounting holes are located beside or below the operating lever axis. It has been shown that in this way the two front mounting holes allow a particularly good stabilization of both the actuating lever axis on the one hand and the shoe bearing axis on the other.
  • the invention task is solved by a touring ski binding of the type mentioned above, which further comprises a binding lever for actuating the touring ski binding, which is pivotally supported on an axis extending transversely to the ski longitudinal axis actuating lever, wherein according to the second aspect of Invention in a plan view of the touring ski binding on a Skiebene the front mounting holes are arranged at the same distance from the shoe bearing axis as the operating lever axis. It has thus been recognized that such an arrangement of the front mounting holes also allows a significant stabilization of the base plate with a reduced number of necessary mounting holes, regardless of the distance of the rear mounting holes of the shoe bearing axis.
  • the same advantages as described above for touring ski binding of the first aspect of the invention can be achieved.
  • this object is achieved by a ski binding of the type mentioned, in which the distance between the front mounting holes of the shoe bearing axis is greater than the distance of the rear mounting holes of the shoe bearing axis.
  • This mounting hole arrangement is the result of investigations by the inventors into the force distribution and the force distribution of the forces acting on the base plate when using a touring ski binding. Due to the displacement of the two forward mounting holes in the forward direction, i. the increase in the distance from the shoe bearing axis compared to the prior art, the two front screws can absorb not only from the shoe forth in the base plate transmitted forces, but can simultaneously stabilize a arranged in front of the shoe bearing axis binding operation section, in particular arranged from one in front of the shoe bearing axis Binding lever picks up when applied forces.
  • the invention for the first time leaves the known attachment principle, separate load zones, i. Areas where different sources of force act to stabilize by separate mounting screws. Instead, the screws inserted in the two front mounting holes of the touring ski binding according to the invention now take over fastening function both for the portion of the shoe bearing axis and the portion of the binding actuating element.
  • the distances of the mounting holes to the shoe-bearing axis or to an actuating lever axis to be described later in this description and in the claims refer respectively to a top view of the touring ski binding on a ski-leg containing the surface of the ski.
  • This screed is defined by the four mounting holes, as the base plate is mounted to these mounting holes on the surface of the ski.
  • the distances referred to distances between the mounting holes and projection lines which are defined by orthogonal projections of the shoe axis and the operating lever axis in the Skiebene.
  • the number of screws required for sufficiently fixing the base plate can be limited to four, and the base plate can be fixed sufficiently stably at the same time to use a thin base plate.
  • the distance of the front mounting holes of the shoe bearing axis is greater than the distance of the rear mounting holes of the shoe bearing axis, whereby the total length of the base plate in the direction of the ski longitudinal axis can be reduced.
  • Manufacturing and assembly of the touring ski binding can be further facilitated if the four mounting holes are arranged in the corners of a rectangle. Such an arrangement also provides a uniform introduction of the force acting on the base plate forces in the ski.
  • a square formed by the four mounting holes along the ski longitudinal axis has a greater extension length than orthogonal to the ski longitudinal axis.
  • the touring ski binding further comprises a locking mechanism, with which the bearing assembly is locked so that a pivoting of the ski boot is possible, a release of the ski boot from the bearing assembly is prevented even when exercising a fall triggering force exceeding force
  • said Locking mechanism comprises a locking actuator to be actuated by the user for locking the bearing assembly, wherein the locking actuator when actuated exerts a directed away from a Skiebene force on the base plate.
  • the invention object is achieved by a base plate according to claim 8, for a touring ski binding of the aforementioned type according to the invention, wherein the base plate in accordance with the aforementioned inventive features (if they relate to the base plate) is formed, and a first attachment portion for mounting a bearing assembly and possibly a second attachment portion for pivotally mounting a binding actuating lever.
  • the mounting portion for mounting a bearing assembly defines a shoe bearing axis
  • the second mounting portion for pivotally mounting a binding actuating lever defines an actuating lever axis
  • FIGS. 1 to 3 show a toe 10 of a binding system for a touring ski.
  • the front jaw 10 comprises a base plate 12 with four mounting holes 14 to be described later for fixing the base plate 12 to a ski 16 by means of fastening screws 18.
  • the base plate 12 is made of a light metal, for example aluminum, or of a fiber composite material, eg carbon fiber material.
  • a bearing assembly 22 is attached to which a ski boot 24 can be pivotally supported about a shoe bearing axis Q.
  • the bearing arrangement 22 comprises a left clamping angle 26a and a right-hand clamping angle 26b, which are each angled approximately L-shaped and are held in the vicinity of their bend by means of a left angle bearing axis 28a and a right angular bearing axis 28b at outer ends of the left and right attachment portion 20a, 20b pivotally.
  • the base plate 12 further includes a front mounting portion 36 in the form of an upwardly projecting bearing block, on which an actuating lever 38 is pivotally mounted on an actuating lever axis 40.
  • the actuating lever axis 40 is orthogonal to the angular bearing axes 28a, 28b and substantially parallel to the shoe bearing axis Q.
  • the operating lever 38 is part of a per se, for example, from the EP 0 199 098 A2 known actuating mechanism for actuating the bearing assembly between an open position in which the clamping brackets 26a, 26b are pivoted about their Klemmwinkelachsen 28a, 28b outwards so that the ski boot 24 with its bearing openings 34a, 34b positioned between the bearing journals 32a, 32b or from the toe 10 can be solved, and a closed position in which the clamping bracket 26a, 26b in the sense of mutual approach of the bearing pins 32a, 32b are pivoted, so that the bearing pins 32a, 32b penetrate into the bearing openings 34a, 34b and the ski boot 24 on the toe hold.
  • the actuating lever 38 is coupled in terms of movement via a rear forked end 42 and a spring arrangement 44 with the clamping angles 28a, 28b, so that a Adjusting movement is transmitted to a front actuating end 46 of the actuating lever 38 in a tilting movement of the clamping bracket 26 a, 26 b.
  • a combined operating and locking lever 48 is also pivotally mounted on a locking lever pivot axis 50 and has an operating portion 52 and a locking portion 54 which extend from the locking lever pivot axis 50 in different directions.
  • the combined operating and locking lever 48 may, if desired, be pivoted to a locking position in which an end surface 56 of the locking portion 54 is supported below the locking lever pivot 50 on a cam surface 58 of the base plate 12, such that movement of the actuating lever 38 Towards the ski, and thus a movement of the bearing assembly 22 in the open position, is blocked (locked closed position of the binding). In this way, triggering of the touring ski binding is prevented even when a force exceeding a fall trigger force is exerted, or the force required for triggering is increased to a value that permits sporty driving.
  • a release torque M z is usually about 50 Nm to about 100 Nm.
  • the front mounting portion 36 for the operating lever 38 and the left and right mounting portions 20a and 20b of the base plate 12 define a ski center axis M extending in the center of the ski in the ski longitudinal direction, a forward direction V and the shoe bearing axis Q, which in the embodiment orthogonal to Ski center axis M is oriented.
  • the mounting holes 14 are located in the vertices of a rectangle R, the shorter sides a parallel to the shoe bearing axis Q and extend its longer sides b parallel to the ski center axis M and the center axis M center between them.
  • the four mounting holes 14 define the Skiebene E, which coincides in the mounted state of the front jaw 10 with the surface of the ski 16.
  • a vertical projection of the shoe bearing axis Q in the Skiebene E is designated in the drawings as a projection line Q '.
  • two rear attachment holes 14h are at a distance sh from the projection line Q 'behind the projection line Q', and two front attachment holes 14v are at a distance sv from the projection line Q 'in front of the projection line Q'.
  • the distance sh is smaller than the distance sv.
  • the projection line Q 'does not divide the longer sides b of the rectangle R centrally, but is slightly offset toward the rear attachment holes 14h.
  • the front attachment holes 14v are arranged so as to be relative to each other lie on the central axis M at the same height with the front mounting portion 36 or the pivot axis 40 of the actuating lever 38. That is, the front attachment portion 36 or a projection of the pivot axis 40 into the plane E of the projection line Q 'have substantially the same distance sv as the front attachment holes 14v.
  • the front attachment portion 36 is disposed between the front attachment holes 14v.
  • FIGS. 4 and 5 show a comparative example of a prior art touring ski binding 110 with a conventional mounting hole assembly in which a total of five mounting holes 114 are disposed on a base plate 112 of touring ski binding 110 to secure the binding to the ski with a total of five mounting bolts 118.
  • the mounting holes 114 four mounting holes 114 are arranged in the corner points of a rectangle R100 whose longer sides b100 are parallel to the shoe bearing axis projected into the skid E100 Q'100 and enclose the projection line Q'100 centered therebetween so that rear mounting holes 114h are the same distance from the projection line Q'100 as front mounting holes 114v of the rectangle R100.
  • An additional fifth attachment hole 114z is disposed on a front attachment portion 136 for an operation lever 138.
  • the actuating lever 138 is part of an actuating mechanism which, analogous to the embodiment of the invention described above, interacts with a bearing assembly 122 for supporting a ski boot and the details of which are not described again.
  • the additional attachment hole 114z is located between two upwardly projecting wall portions 137 of the front attachment portion 136, between which an inward one FIG. 4 unrecognizable bearing axis for the actuating lever 138 extends.

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

Description

Die vorliegende Erfindung betrifft eine Tourenskibindung, umfassend eine Basisplatte, welche eine Befestigungslochanordnung mit einer Mehrzahl von Befestigungslöchern zur Schraubbefestigung der Basisplatte an einem Ski aufweist, eine Lageranordnung, welche an der Basisplatte angebracht und dafür eingerichtet ist, einen Skischuh um eine quer zu einer Skilängsachse verlaufende Schuhlagerachse verschwenkbar zu halten, wobei die Befestigungslochanordnung vier Befestigungslöcher umfasst, von denen in einer Draufsicht der Tourenskibindung auf eine Skiebene zwei vordere Befestigungslöcher im Wesentlichen im gleichen Abstand von der Schuhlagerachse vor der Schuhlagerachse angeordnet sind und zwei hintere Befestigungslöcher im Wesentlichen im gleichen Abstand von der Schuhlagerachse hinter der Schuhlagerachse angeordnet sind.The present invention relates to a touring ski binding comprising a base plate having a mounting hole assembly having a plurality of mounting holes for screw mounting the base plate to a ski, a bearing assembly attached to the base plate and adapted to extend a ski boot about a ski longitudinal axis Shoe bearing axis to hold pivotally, wherein the mounting hole assembly includes four mounting holes, of which in a plan view of the touring ski binding on a Skiebene two front mounting holes are arranged substantially equidistant from the shoe bearing axis in front of the shoe bearing axis and two rear mounting holes substantially the same distance from the shoe bearing axis are arranged behind the shoe bearing axis.

Eine Tourenskibindung dieser Art ist im Stand der Technik bekannt und umfasst eine Befestigungslochanordnung aus insgesamt fünf Befestigungslöchern, von denen vier Befestigungslöcher in den Ecken eines gedachten Rechtecks angeordnet sind, dessen längere Seiten die Schuhlagerachse mittig zwischen sich einschließen, so dass die zwei vorderen Befestigungslöcher und die zwei hinteren Befestigungslöcher alle jeweils im gleichen Abstand von der Schuhlagerachse angeordnet sind. Das fünfte Befestigungsloch ist in Vorwärtsrichtung vor der Schuhlagerachse etwa auf der Skimittelachse angeordnet, und zwar in der Nähe einer Achse eines Betätigungshebels, mit welchem die Bindung zwischen einer Öffnungsstellung und einer Schließstellung betätigt wird. Die vier im Rechteck an der Schuhlagerachse angeordneten Befestigungsschrauben stabilisieren die Basisplatte gegen die während der Benutzung vom Schuh auf die Tourenskibindung ausgeübten Kräfte. Die in das fünfte Befestigungsloch eingesetzte Schraube nahe der Betätigungshebelachse nimmt die während der Betätigung des Betätigungshebels auf die Basisplatte in Zugrichtung, d.h. in einer Richtung vom Ski weg, orientierten Kräfte auf.A ski binding of this kind is known in the art and comprises a mounting hole arrangement of a total of five mounting holes, four mounting holes are arranged in the corners of an imaginary rectangle, the longer sides of the shoe bearing axis centered between them, so that the two front mounting holes and the two rear mounting holes are each arranged at the same distance from the shoe bearing axis. The fifth mounting hole is disposed forwardly of the shoe bearing axis approximately on the ski central axis, near an axis of an operating lever with which the binding between an open position and a closed position is actuated. The four fastening screws arranged in the rectangle on the shoe bearing axis stabilize the base plate against the forces exerted by the shoe on the touring ski binding during use. The in the fifth Fixing hole inserted screw near the operating lever axis absorbs during the operation of the operating lever on the base plate in the pulling direction, ie in a direction away from the ski, oriented forces.

Die bekannte Tourenskibindung umfasst ferner einen Verrieglungsmechanismus, mit welchem die Lageranordnung so verriegelbar ist, dass ein Verschwenken des Skischuhs möglich ist, ein Lösen des Skischuhs von der Lageranordnung jedoch auch bei Ausübung einer eine Sturzauslösekraft überschreitenden Kraft verhindert ist. Zum Verriegeln zieht der Benutzer mit relativ hoher Kraft an einem Verriegelungsbetätigungselement, das im Bereich der Betätigungshebelachse eine Zugkraft (vom Ski weg gerichtet) auf die Basisplatte ausübt. Solche Zugkräfte sind von der im fünften Befestigungsloch eingesetzten Schraube aufzunehmen und in den Ski einzuleiten, so dass keine übermäßig schwere und stabile Basisplatte zur Aufnahme dieser Kräfte eingesetzt werden muss.The well-known touring ski binding further comprises a Verrieglungsmechanismus, with which the bearing assembly is locked so that a pivoting of the ski boot is possible, a release of the ski boot from the bearing assembly, however, is prevented even when exercising a fall triggering force exceeding force. For locking the user pulls with relatively high force on a locking actuator, which exerts a tensile force (directed away from the ski) on the base plate in the region of the actuating lever axis. Such tensile forces are to be taken up by the screw inserted in the fifth attachment hole and introduced into the ski, so that no excessively heavy and stable base plate has to be used to accommodate these forces.

Ferner offenbart die EP 0 199 098 A2 eine Tourenskibindung, umfassend eine Basisplatte mit einer Befestigungslochanordnung und eine Lageranordnung, welche an der Basisplatte angebracht ist. Die Befestigungslochanordnung umfasst genau zwei Befestigungslöcher, welche beiderseits einer Betätigungshebelachse angeordnet, an der ein Bindungsbetätigungshebel schwenkbar an der Basisplatte gehalten ist.Further, the EP 0 199 098 A2 a touring ski binding comprising a base plate having a mounting hole arrangement and a bearing assembly attached to the base plate. The mounting hole assembly includes exactly two mounting holes disposed on either side of an operating lever axis to which a binding operating lever is pivotally supported on the base plate.

Zur Sicherstellung ausreichender Stabilität wählen die beiden vorstehend dargestellten Varianten des Standes der Technik alternative Ansätze. Die erstgenannte Tourenskibindung verwendet fünf Befestigungsschrauben, um die einzelnen Belastungspunkte der Basisplatte gezielt zu fixieren, so dass zwar mit einer relativ dünnen und leichten Basisplatte gearbeitet werden kann, jedoch eine relativ hohe Anzahl von Schrauben notwendig ist. Im Gegensatz dazu verwendet die Tourenskibindung der EP 0 199 098 nur zwei Befestigungsschrauben, jedoch muss die reduzierte Anzahl von Fixierungspunkten durch eine deutliche Vergrößerung der Plattendicke der Basisplatte kompensiert werden sowie ggf. durch größere Schrauben.
Dokument DE 3141425 C beschreibt eine Tourenskibindung gemäß dem Oberbegriff von Anspruch 1.
Aufgabe der Erfindung ist es, eine Tourenskibindung mit einer verbesserten Befestigungsstruktur bereitzustellen, welche mit einer begrenzten Anzahl von Befestigungsschrauben sicher an einem Ski fixierbar ist und gleichzeitig geringes Gesamtgewicht aufweist.To ensure sufficient stability, the two variants of the prior art presented above select alternative approaches. The former touring ski binding uses five mounting screws to selectively fix the individual load points of the base plate, so that although you can work with a relatively thin and lightweight base plate, but a relatively large number of screws is necessary. In contrast, the touring ski binding uses the EP 0 199 098 only two fixing screws, but the reduced number of fixing points must be compensated by a significant increase in the plate thickness of the base plate and possibly by larger screws.
document DE 3141425 C describes a touring ski binding according to the preamble of claim 1.
The object of the invention is to provide a touring ski binding with an improved attachment structure, which can be securely fixed to a ski with a limited number of fastening screws and at the same time has a low overall weight.

Die erfindungsgemäße Tourenskibindung gemäß Anspruch 1 weist einen Bindungsbetätigungshebel zur Betätigung der Tourenskibindung auf, welcher an einer quer zur Skilängsachse verlaufenden Betätigungshebelachse schwenkbar gehalten ist, so sind in einer bevorzugten Ausführungsform der Erfindung in der Draufsicht (Projektion) auf die Skiebene die vorderen Befestigungslöcher im gleichen Abstand von der Schuhlagerachse angeordnet wie die Betätigungshebelachse. Das heißt, dass die Befestigungslöcher neben oder unterhalb der Betätigungshebelachse angeordnet sind. Es hat sich gezeigt, dass auf diese Weise die beiden vorderen Befestigungslöcher eine besonders gute Stabilisierung sowohl der Betätigungshebelachse einerseits als auch der Schuhlagerachse andererseits ermöglichen.The touring ski binding according to claim 1 has a binding actuating lever for actuating the touring ski binding, which is held pivotably on a transverse to the ski longitudinal axis actuating lever axis, so in a preferred embodiment of the invention in plan view (projection) on the skiebene the front mounting holes at the same distance arranged by the shoe bearing axis as the operating lever axis. That is, the mounting holes are located beside or below the operating lever axis. It has been shown that in this way the two front mounting holes allow a particularly good stabilization of both the actuating lever axis on the one hand and the shoe bearing axis on the other.

Nach einem Aspekt der Erfindung wird die Erfindungsaufgabe gelöst durch eine Tourenskibindung der eingangs genannten Art, welche ferner einen Bindungsbetätigungshebel zur Betätigung der Tourenskibindung umfasst, der an einer quer zur Skilängsachse verlaufenden Betätigungshebelachse schwenkbar gehalten ist, wobei nach dem zweiten Aspekt der Erfindung in einer Draufsicht der Tourenskibindung auf eine Skiebene die vorderen Befestigungslöcher im gleichen Abstand von der Schuhlagerachse angeordnet sind wie die Betätigungshebelachse. Es wurde somit erkannt, dass eine derartige Anordnung der vorderen Befestigungslöcher auch unabhängig vom Abstand der hinteren Befestigungslöcher von der Schuhlagerachse eine deutliche Stabilisierung der Basisplatte mit reduzierter Anzahl an notwendigen Befestigungslöchern ermöglicht. Somit können mit einer Tourenskibindung des zweiten Aspekts der Erfindung die gleichen Vorteile erreicht werden wie vorstehend für eine Tourenskibindung des ersten Aspekts der Erfindung beschrieben.According to one aspect of the invention, the invention task is solved by a touring ski binding of the type mentioned above, which further comprises a binding lever for actuating the touring ski binding, which is pivotally supported on an axis extending transversely to the ski longitudinal axis actuating lever, wherein according to the second aspect of Invention in a plan view of the touring ski binding on a Skiebene the front mounting holes are arranged at the same distance from the shoe bearing axis as the operating lever axis. It has thus been recognized that such an arrangement of the front mounting holes also allows a significant stabilization of the base plate with a reduced number of necessary mounting holes, regardless of the distance of the rear mounting holes of the shoe bearing axis. Thus, with a touring ski binding of the second aspect of the invention, the same advantages as described above for touring ski binding of the first aspect of the invention can be achieved.

Nach einem bevorzugten Aspekt der Erfindung wird diese Aufgabe gelöst durch eine Tourenskibindung der eingangs genannten Art, bei welcher der Abstand der vorderen Befestigungslöcher von der Schuhlagerachse größer ist als der Abstand der hinteren Befestigungslöcher von der Schuhlagerachse.According to a preferred aspect of the invention, this object is achieved by a ski binding of the type mentioned, in which the distance between the front mounting holes of the shoe bearing axis is greater than the distance of the rear mounting holes of the shoe bearing axis.

Diese Befestigungslochanordnung ist das Ergebnis von Untersuchungen der Erfinder zum Kraftverlauf und zur Kraftverteilung der bei Benutzung einer Tourenskibindung in der Basisplatte wirkenden Kräfte. Durch die Verlagerung der beiden vorderen Befestigungslöcher in Vorwärtsrichtung, d.h. die Vergrößerung des Abstands von der Schuhlagerachse im Vergleich zum Stand der Technik, können die beiden vorderen Schrauben nicht nur vom Schuh her in die Basisplatte übertragene Kräfte aufnehmen, sondern können gleichzeitig einen vor der Schuhlagerachse angeordneten Bindungsbetätigungsabschnitt stabilisieren, insbesondere die von einem vor der Schuhlagerachse angeordneten Bindungsbetätigungshebel bei Betätigung ausgeübten Kräfte aufnehmen.This mounting hole arrangement is the result of investigations by the inventors into the force distribution and the force distribution of the forces acting on the base plate when using a touring ski binding. Due to the displacement of the two forward mounting holes in the forward direction, i. the increase in the distance from the shoe bearing axis compared to the prior art, the two front screws can absorb not only from the shoe forth in the base plate transmitted forces, but can simultaneously stabilize a arranged in front of the shoe bearing axis binding operation section, in particular arranged from one in front of the shoe bearing axis Binding lever picks up when applied forces.

Damit verlässt die Erfindung erstmalig das bekannte Befestigungsprinzip, separate Belastungszonen, d.h. Bereiche, in denen unterschiedliche Kraftquellen wirken, durch separate Befestigungsschrauben zu stabilisieren. Stattdessen übernehmen die in die beiden vorderen Befestigungslöcher der erfindungsgemäßen Tourenskibindung eingesetzten Schrauben nunmehr Befestigungsfunktion sowohl für den Abschnitt der Schuhlagerachse als auch den Abschnitt des Bindungsbetätigungselements.Thus, the invention for the first time leaves the known attachment principle, separate load zones, i. Areas where different sources of force act to stabilize by separate mounting screws. Instead, the screws inserted in the two front mounting holes of the touring ski binding according to the invention now take over fastening function both for the portion of the shoe bearing axis and the portion of the binding actuating element.

An dieser Stelle ist anzumerken, dass sich die in dieser Beschreibung sowie in den Ansprüchen angegebenen Abstände der Befestigungslöcher zu derSchuhlagerachse bzw. zu einer später noch zu beschreibenden Betätigungshebelachse jeweils auf eine Draufsicht der Tourenskibindung auf eine die Oberfläche des Skis enthaltende Skiebene beziehen. Diese Skiebene wird durch die vier Befestigungslöchern definiert, da die Basisplatte an diesen Befestigungslöcher an der Oberfläche des Skis montiert wird. Mit anderen Worten beziehen sich die genannten Abstände auf Abstände zwischen den Befestigungslöchern und Projektionslinien, die durch orthogonale Projektionen der Schuhlagerachse bzw. der Betätigungshebelachse in die Skiebene definiert sind.At this point, it should be noted that the distances of the mounting holes to the shoe-bearing axis or to an actuating lever axis to be described later in this description and in the claims refer respectively to a top view of the touring ski binding on a ski-leg containing the surface of the ski. This screed is defined by the four mounting holes, as the base plate is mounted to these mounting holes on the surface of the ski. In other words, the distances referred to distances between the mounting holes and projection lines, which are defined by orthogonal projections of the shoe axis and the operating lever axis in the Skiebene.

Im Ergebnis kann die Anzahl an Schrauben, die für eine ausreichend stabile Befestigung der Basisplatte erforderlich sind, auf vier begrenzt werden und die Basisplatte kann gleichzeitig ausreichend stabil fixiert werden, um eine dünne bzw. leichte Basisplatte verwenden zu können.As a result, the number of screws required for sufficiently fixing the base plate can be limited to four, and the base plate can be fixed sufficiently stably at the same time to use a thin base plate.

Vorzugweise ist jedoch auch bei einer Tourenskibindung der Erfindung der Abstand der vorderen Befestigungslöcher von der Schuhlagerachse größer als der Abstand der hinteren Befestigungslöcher von der Schuhlagerachse, wodurch die Gesamtlänge der Basisplatte in Richtung der Skilängsachse reduziert werden kann.Preferably, however, even with a touring ski binding the invention, the distance of the front mounting holes of the shoe bearing axis is greater than the distance of the rear mounting holes of the shoe bearing axis, whereby the total length of the base plate in the direction of the ski longitudinal axis can be reduced.

Die vorstehend genannten Vorteile kommen besonders zum Tragen, wenn die Befestigungslochanordnung genau vier Befestigungslöcher zur Schraubbefestigung der Basisplatte an einem Ski aufweist, da die erfindungsgemäße Befestigungslochanordnung für vier Schraubbefestigungen optimiert ist.The advantages mentioned above are particularly useful when the mounting hole assembly has exactly four mounting holes for screw mounting the base plate to a ski, since the mounting hole assembly according to the invention is optimized for four Schraubbefestigungen.

Herstellung und Montage der Tourenskibindung können ferner erleichtert werden, wenn die vier Befestigungslöcher in den Eckpunkten eines Rechtecks angeordnet sind. Eine solche Anordnung bietet zudem eine gleichmäßige Einleitung der auf die Basisplatte einwirkenden Kräfte in den Ski.Manufacturing and assembly of the touring ski binding can be further facilitated if the four mounting holes are arranged in the corners of a rectangle. Such an arrangement also provides a uniform introduction of the force acting on the base plate forces in the ski.

Nach einer weiteren bevorzugten Ausführungsform des ersten oder/und des zweiten Aspekts der Erfindung weist ein durch die vier Befestigungslöcher gebildetes Viereck entlang der Skilängsachse eine größere Erstreckungslänge auf als orthogonal zur Skilängsachse. Durch eine solche Anordnung sind die Positionen der Fixierungspunkte der Basisplatte weiter an die von den Erfindern untersuchten Kraftverläufe und Kraftverteilungen bei der Benutzung der Tourenskibindung angepasst.According to a further preferred embodiment of the first and / or the second aspect of the invention, a square formed by the four mounting holes along the ski longitudinal axis has a greater extension length than orthogonal to the ski longitudinal axis. By such an arrangement, the positions of the fixing points of the base plate are further to those of The inventors examined force curves and force distributions adjusted when using the touring ski binding.

In einer weiteren Variante der Erfindung umfasst die Tourenskibindung ferner einen Verriegelungsmechanismus, mit welchem die Lageranordnung so verriegelbar ist, dass ein Verschwenken des Skischuhs möglich ist, ein Lösen des Skischuhs von der Lageranordnung jedoch auch bei Ausübung einer eine Sturzauslösekraft überschreitenden Kraft verhindert ist, wobei der Verriegelungsmechanismus ein Verriegelungsbetätigungselement aufweist, welches vom Benutzer zum Verriegeln der Lageranordnung zu betätigen ist, wobei das Verriegelungsbetätigungselement bei Betätigung eine von einer Skiebene weg gerichtete Kraft auf die Basisplatte ausübt. Durch eine solche Befestigungslochanordnung kann die Zugkraft beim Verriegeln effektiv über die beiden vorderen Befestigungspunkte in den Ski eingeleitet und die Basisplatte kann entlastet werden.In a further variant of the invention, the touring ski binding further comprises a locking mechanism, with which the bearing assembly is locked so that a pivoting of the ski boot is possible, a release of the ski boot from the bearing assembly is prevented even when exercising a fall triggering force exceeding force, said Locking mechanism comprises a locking actuator to be actuated by the user for locking the bearing assembly, wherein the locking actuator when actuated exerts a directed away from a Skiebene force on the base plate. By such a fastening hole arrangement, the tensile force during locking can be effectively introduced via the two front attachment points in the ski and the base plate can be relieved.

Nach einem weiteren Aspekt der Erfindung wird die Erfindungsaufgabe gelöst durch eine Basisplatte gemäß Anspruch 8, für eine Tourenskibindung der vorstehend genannten, erfindungsgemäßen Art, wobei die Basisplatte nach Maßgabe der vorstehend genannten Erfindungsmerkmale (sofern sie die Basisplatte betreffen) ausgebildet ist, und einen ersten Anbringungsabschnitt zur Anbringung einer Lageranordnung und ggf. einen zweiten Anbringungsabschnitt zur schwenkbaren Halterung eines Bindungsbetätigungshebels aufweist. Der Anbringungsabschnitt zur Anbringung einer Lageranordnung definiert eine Schuhlagerachse, während der zweite Anbringungsabschnitt zur schwenkbaren Halterung eines Bindungsbetätigungshebels eine Betätigungshebelachse definiert, so dass die Merkmale der Erfindung bzw. ihrer Ausführungsvarianten unter Bezugnahme auf die so definierten Achsen in entsprechender Weise auf eine Basisplatte der Erfindung übertragbar sind, um die vorstehend für die jeweiligen Merkmale angegebenen Effekte und Vorteile zu erzielen.According to a further aspect of the invention, the invention object is achieved by a base plate according to claim 8, for a touring ski binding of the aforementioned type according to the invention, wherein the base plate in accordance with the aforementioned inventive features (if they relate to the base plate) is formed, and a first attachment portion for mounting a bearing assembly and possibly a second attachment portion for pivotally mounting a binding actuating lever. The mounting portion for mounting a bearing assembly defines a shoe bearing axis, while the second mounting portion for pivotally mounting a binding actuating lever defines an actuating lever axis, so that the features of the invention or their variants with respect to the axes thus defined in a corresponding manner to a base plate of the invention are transferable in order to achieve the effects and advantages given above for the respective features.

Die Erfindung wird nachfolgend anhand eines bevorzugten Ausführungsbeispiels unter Bezugnahme auf die beigefügten Zeichnungen näher erläutert.The invention will be explained in more detail below with reference to a preferred embodiment with reference to the accompanying drawings.

Es zeigen:

Figur 1
eine Tourenskibindung nach dem AusfĂĽhrungsbeispiel der vorliegenden Erfindung in einer Draufsicht der Tourenskibindung auf die Skiebene,
Figur 2
eine Seitenansicht der in Figur 1 gezeigten Tourenskibindung,
Figur 3
eine perspektivische Ansicht der in Figuren 1 und 2 gezeigten Tourenskibindung,
Figur 4
eine Draufsicht einer Tourenskibindung des Stands der Technik, und
Figur 5
eine perspektivische Ansicht der in Figur 4 gezeigten, bekannten Tourenskibindung.
Show it:
FIG. 1
a touring ski binding according to the exemplary embodiment of the present invention in a plan view of the touring ski binding on the skiebene,
FIG. 2
a side view of in FIG. 1 shown touring ski binding,
FIG. 3
a perspective view of in Figures 1 and 2 shown touring ski binding,
FIG. 4
a top view of a touring ski binding of the prior art, and
FIG. 5
a perspective view of in FIG. 4 shown, known touring ski binding.

Figuren 1 bis 3 zeigen einen Vorderbacken 10 eines Bindungssystems für einen Tourenski. Der Vorderbacken 10 umfasst eine Basisplatte 12 mit vier später noch näher zu beschreibenden Befestigungslöchern 14 zur Befestigung der Basisplatte 12 an einem Ski 16 mittels Befestigungsschrauben 18. Die Basisplatte 12 ist aus einem Leichtmetall, z.B. Aluminium, oder aus einem Faserverbundwerkstoff, z.B. Kohlefaserwerkstoff, hergestellt. FIGS. 1 to 3 show a toe 10 of a binding system for a touring ski. The front jaw 10 comprises a base plate 12 with four mounting holes 14 to be described later for fixing the base plate 12 to a ski 16 by means of fastening screws 18. The base plate 12 is made of a light metal, for example aluminum, or of a fiber composite material, eg carbon fiber material.

An einem linken Anbringungsabschnitt 20a und einem rechten Anbringungsabschnitt 20b ist eine Lageranordnung 22 angebracht, an welcher ein Skischuh 24 um eine Schuhlagerachse Q schwenkbar gehalten werden kann. Dazu umfasst die Lageranordnung 22 einen linken Klemmwinkel 26a sowie einen rechten Klemmwinkel 26b, welche jeweils etwa L-förmig abgewinkelt sind und in der Nähe ihrer Abwinklung mittels einer linken Winkellagerachse 28a bzw. einer rechten Winkellagerachse 28b an äußeren Enden des linken bzw. des rechten Anbringungsabschnitts 20a, 20b schwenkbar gehalten sind.At a left mounting portion 20a and a right mounting portion 20b, a bearing assembly 22 is attached to which a ski boot 24 can be pivotally supported about a shoe bearing axis Q. For this purpose, the bearing arrangement 22 comprises a left clamping angle 26a and a right-hand clamping angle 26b, which are each angled approximately L-shaped and are held in the vicinity of their bend by means of a left angle bearing axis 28a and a right angular bearing axis 28b at outer ends of the left and right attachment portion 20a, 20b pivotally.

Nach oben abstehende erste Schenkel 30a, 30b der Klemmwinkel 26a, 26b halten Lagerzapfen 32a, 32b, welche dafür eingerichtet sind, in entsprechende Lageröffnungen 34a, 34b an vorderen seitlichen Sohlenabschnitten des Skischuhs 24 in Eingriff zu gelangen, so dass der Skischuh 24 um die durch die Lagerzapfen 32a, 32b definierte Schuhlagerachse Q schwenkbar zu halten.Upwardly projecting first legs 30 a, 30 b of the clamping brackets 26 a, 26 b hold bearing journals 32 a, 32 b, which are adapted to engage in corresponding bearing openings 34 a, 34 b at front lateral sole portions of the ski boot 24, so that the ski boot 24 to the through the bearing pin 32a, 32b defined shoe bearing axis Q to keep pivot.

In einem vorderen Abschnitt weist die Basisplatte 12 ferner einen vorderen Anbringungsabschnitt 36 in Form eines nach oben ragenden Lagerbocks auf, an welchem ein Betätigungshebel 38 an einer Betätigungshebelachse 40 schwenkbar gelagert ist. Die Betätigungshebelachse 40 verläuft orthogonal zu den Winkellagerachsen 28a, 28b und im Wesentlichen parallel zur Schuhlagerachse Q.In a front portion, the base plate 12 further includes a front mounting portion 36 in the form of an upwardly projecting bearing block, on which an actuating lever 38 is pivotally mounted on an actuating lever axis 40. The actuating lever axis 40 is orthogonal to the angular bearing axes 28a, 28b and substantially parallel to the shoe bearing axis Q.

Der Betätigungshebel 38 ist Teil eines an sich beispielsweise aus der EP 0 199 098 A2 bekannten Betätigungsmechanismus zum Betätigen der Lageranordnung zwischen einer Öffnungsstellung, in welcher die Klemmwinkel 26a, 26b um ihre Klemmwinkelachsen 28a, 28b so nach außen verschwenkt sind, dass der Skischuh 24 mit seinen Lageröffnungen 34a, 34b zwischen den Lagerzapfen 32a, 32b positioniert oder aus dem Vorderbacken 10 gelöst werden kann, und einer Schließstellung, in welcher die Klemmwinkel 26a, 26b im Sinne einer gegenseitigen Annäherung der Lagerzapfen 32a, 32b verschwenkt sind, so dass die Lagerzapfen 32a, 32b in die Lageröffnungen 34a, 34b eindringen und den Skischuh 24 am Vorderbacken schwenkbar halten. Dazu ist der Betätigungshebel 38 über ein hinteres gabelförmiges Ende 42 sowie eine Federanordnung 44 bewegungsgekoppelt mit den Klemmwinkeln 28a, 28b, so dass eine Stellbewegung an einem vorderen Betätigungsende 46 des Betätigungshebels 38 in eine Kippbewegung der Klemmwinkel 26a, 26b übertragen wird.The operating lever 38 is part of a per se, for example, from the EP 0 199 098 A2 known actuating mechanism for actuating the bearing assembly between an open position in which the clamping brackets 26a, 26b are pivoted about their Klemmwinkelachsen 28a, 28b outwards so that the ski boot 24 with its bearing openings 34a, 34b positioned between the bearing journals 32a, 32b or from the toe 10 can be solved, and a closed position in which the clamping bracket 26a, 26b in the sense of mutual approach of the bearing pins 32a, 32b are pivoted, so that the bearing pins 32a, 32b penetrate into the bearing openings 34a, 34b and the ski boot 24 on the toe hold. For this purpose, the actuating lever 38 is coupled in terms of movement via a rear forked end 42 and a spring arrangement 44 with the clamping angles 28a, 28b, so that a Adjusting movement is transmitted to a front actuating end 46 of the actuating lever 38 in a tilting movement of the clamping bracket 26 a, 26 b.

Am vorderen Betätigungsende 46 des Betätigungshebels 38 ist ferner ein kombinierter Bedien- und Verriegelungshebel 48 an einer Verriegelungshebelschwenkachse 50 schwenkbar angebracht und weist einen Bedienabschnitt 52 sowie einen Verriegelungsabschnitt 54 auf, welche sich von der Verriegelungshebelschwenkachse 50 aus in unterschiedlichen Richtungen erstrecken. In der Schließstellung der Lageranordnung 22 kann der kombinierte Bedien- und Verriegelungshebel 48 gewünschtenfalls in eine Verriegelungsstellung verschwenkt werden, in welcher eine Endfläche 56 des Verriegelungsabschnitts 54 sich unterhalb der Verriegelungshebelschwenkachse 50 an einer Nockenfläche 58 der Basisplatte 12 abstützt, so dass eine Bewegung des Betätigungshebels 38 zum Ski hin, und damit eine Bewegung der Lageranordnung 22 in die Öffnungsstellung, blockiert ist (verriegelte Schließstellung der Bindung). Auf diese Weise wird ein Auslösen der Tourenskibindung auch bei Ausübung einer eine Sturzauslösekraft überschreitenden Kraft verhindert bzw. die zum Auslösen notwendige Kraft wird auf einen Wert erhöht, der ein sportliches Fahren erlaubt.At the front operating end 46 of the operating lever 38, a combined operating and locking lever 48 is also pivotally mounted on a locking lever pivot axis 50 and has an operating portion 52 and a locking portion 54 which extend from the locking lever pivot axis 50 in different directions. In the closed position of the bearing assembly 22, the combined operating and locking lever 48 may, if desired, be pivoted to a locking position in which an end surface 56 of the locking portion 54 is supported below the locking lever pivot 50 on a cam surface 58 of the base plate 12, such that movement of the actuating lever 38 Towards the ski, and thus a movement of the bearing assembly 22 in the open position, is blocked (locked closed position of the binding). In this way, triggering of the touring ski binding is prevented even when a force exceeding a fall trigger force is exerted, or the force required for triggering is increased to a value that permits sporty driving.

Im verriegelten Zustand bleibt der Skischuh auch bei einem Drehmoment Mz um die Hochachse H (Normale auf der Skiebene E) von z. B. bis zu etwa 160 Nm (≙ Z16) sicher im Eingriff mit der Lageranordnung 22. Im unverrieglten Zustand liegt ein Auslösedrehmoment Mz bei üblicherweise etwa 50 Nm bis etwa 100 Nm.In the locked state, the ski boot remains at a torque M z about the vertical axis H (normal on the skid E) of z. B. up to about 160 Nm (≙ Z16) securely engaged with the bearing assembly 22. In the unlocked state, a release torque M z is usually about 50 Nm to about 100 Nm.

Wird der Bedien- und Verriegelungshebel 48 in Figur 2 entgegen dem Uhrzeigersinn verschwenkt, indem der Bedienabschnitt 52 nach unten gedrückt wird, so wird der Verriegelungsabschnitt 54 von der Nockenfläche 58 weg gedreht, bis er eine Abwärtsbewegung des Betätigungshebels 38 nicht mehr behindert (unverriegelte Schließstellung). Diese Schwenkbewegung wird gestoppt, wenn der Bedienabschnitt 52 mit seiner Unterseite 60 auf einer Oberseite des vorderen Betätigungsendes 46 des Betätigungshebels 38 aufliegt. Eine weitere Druckbetätigung des Bedienabschnitts 52 führt dann dazu, dass das vordere Betätigungsende 46 des Betätigungshebels 38 zum Ski hin verschwenkt und die Lageranordnung 22 in die Öffnungsstellung verstellt wird.If the operating and locking lever 48 in FIG. 2 pivoted counterclockwise by the operating portion 52 is pressed down, the locking portion 54 is rotated away from the cam surface 58 until it no longer obstructs a downward movement of the actuating lever 38 (unlocked closed position). This pivoting movement is stopped when the operating portion 52 with its underside 60 on an upper side of the front operating end 46 of Operating lever 38 rests. A further pressure actuation of the operating section 52 then causes the front actuating end 46 of the actuating lever 38 to pivot towards the ski and the bearing assembly 22 is adjusted to the open position.

Unter Bezugnahme auf Figur 1 wird nachfolgend eine erfindungsgemäße Anordnung der Befestigungslöcher 14 der Basisplatte 12 erläutert.With reference to FIG. 1 An arrangement according to the invention of the fastening holes 14 of the base plate 12 will be explained below.

Der vordere Anbringungsabschnitt 36 für den Betätigungshebel 38 sowie der linke und der rechte Anbringungsabschnitt 20a bzw. 20b der Basisplatte 12 definieren eine Skimittelachse M, die in der Mitte des Skis in Skilängsrichtung verläuft, eine Vorwärtsrichtung V sowie die Schuhlagerachse Q, welche im Ausführungsbeispiel orthogonal zur Skimittelachse M orientiert ist.The front mounting portion 36 for the operating lever 38 and the left and right mounting portions 20a and 20b of the base plate 12 define a ski center axis M extending in the center of the ski in the ski longitudinal direction, a forward direction V and the shoe bearing axis Q, which in the embodiment orthogonal to Ski center axis M is oriented.

Die Befestigungslöcher 14 befinden sich in den Eckpunkten eines Rechtecks R, dessen kürzere Seiten a parallel zur Schuhlagerachse Q verlaufen und dessen längere Seiten b parallel zur Skimittelachse M verlaufen und die Mittelachse M mittig zwischen sich einschließen. Die vier Befestigungslöcher 14 definieren die Skiebene E, welche im montierten Zustand des Vorderbackens 10 mit der Oberfläche des Skis 16 zusammenfällt. Eine senkrechte Projektion der Schuhlagerachse Q in die Skiebene E ist in den Zeichnungen als Projektionslinie Q' bezeichnet.The mounting holes 14 are located in the vertices of a rectangle R, the shorter sides a parallel to the shoe bearing axis Q and extend its longer sides b parallel to the ski center axis M and the center axis M center between them. The four mounting holes 14 define the Skiebene E, which coincides in the mounted state of the front jaw 10 with the surface of the ski 16. A vertical projection of the shoe bearing axis Q in the Skiebene E is designated in the drawings as a projection line Q '.

Von den vier Befestigungslöchern 14 befinden sich zwei hintere Befestigungslöcher 14h in einem Abstand sh von der Projektionslinie Q' hinter der Projektionslinie Q' und zwei vordere Befestigungslöcher 14v befinden sich in einem Abstand sv von der Projektionslinie Q' vor der Projektionslinei Q'. Der Abstand sh ist kleiner als der Abstand sv. Mit anderen Worten, teilt die Projektionslinie Q' die längeren Seiten b des Rechtecks R nicht mittig sondern ist ein Stück weit zu den hinteren Befestigungslöchern 14h hin versetzt.Of the four attachment holes 14, two rear attachment holes 14h are at a distance sh from the projection line Q 'behind the projection line Q', and two front attachment holes 14v are at a distance sv from the projection line Q 'in front of the projection line Q'. The distance sh is smaller than the distance sv. In other words, the projection line Q 'does not divide the longer sides b of the rectangle R centrally, but is slightly offset toward the rear attachment holes 14h.

Die vorderen Befestigungslöcher 14v sind so angeordnet, dass sie in Bezug auf die Mittelachse M auf gleicher Höhe mit dem vorderen Befestigungsabschnitt 36 oder der Schwenkachse 40 des Betätigungshebels 38 liegen. D.h. das der vordere Anbringungabschnitt 36 oder eine Projektion der Schwenkachse 40 in die Skiebene E von der Projektionslinie Q' im Wesentlichen den gleichen Abstand sv wie die vorderen Befestigungslöcher 14v aufweisen. Der vordere Anbringungsabschnitt 36 ist zwischen den vorderen Befestigungslöchern 14v angeordnet.The front attachment holes 14v are arranged so as to be relative to each other lie on the central axis M at the same height with the front mounting portion 36 or the pivot axis 40 of the actuating lever 38. That is, the front attachment portion 36 or a projection of the pivot axis 40 into the plane E of the projection line Q 'have substantially the same distance sv as the front attachment holes 14v. The front attachment portion 36 is disposed between the front attachment holes 14v.

Im Benutzungszustand des Vorderbackens 10 werden von dem Skischuh 24 in die Basisplatte 12 eingebrachte Drehmomente mit Komponenten um die Mittelachse M oder/und um eine zur Mittelachse M sowie zur Schuhlagerachse Q orthogonale Hochachse H durch die vier Schraubbefestigungen an den vier Befestigungslöchern 14 zuverlässig aufgenommen. Gleichzeitig kann eine am vorderen Anbringungsabschnitt 36 wirkende Zugkraft in einer vom Ski 16 weg führenden Richtung aufgrund einer Zugbetätigung des Bedienabschnitt 52 durch den Benutzer zum Verriegeln des Vorderbackens 10 zuverlässig durch die beiderseits des vorderen Anbringungsabschnitts 36 angeordneten, vorderen Befestigungspunkte an den vorderen Befestigungslöchern 14v aufgenommen werden, so dass die Basisplatte 12 im Bereich des vorderen Anbringungsabschnitts 36 nicht von dem Ski 16 abheben kann. Auch bei einer starken Zugkraft am Bedienungsabschnitt 52 zur festen Verriegelung des Vorderbackens 10 wird somit die Basisplatte 12 vor einem Verbiegen oder gar Brechen geschützt und kann dementsprechend aus dünnem bzw. leichtem Material hergestellt werden.In the state of use of the front jaw 10 torques introduced by the ski boot 24 into the base plate 12 with components around the central axis M and / or about a vertical axis H orthogonal to the center axis M and the shoe bearing axis Q vertical axis H are reliably received by the four screw fasteners on the four mounting holes 14. At the same time, a pulling force acting on the front attachment portion 36 in a direction away from the ski 16 due to a pulling operation of the operation portion 52 by the user for locking the toe 10 can be reliably absorbed by the front attachment points on the front attachment holes 14v located on either side of the front attachment portion 36 so that the base plate 12 in the region of the front attachment portion 36 can not lift off the ski 16. Even with a strong tensile force on the operating portion 52 for fixed locking of the front jaw 10 thus the base plate 12 is protected from bending or even breaking and can accordingly be made of thin or lightweight material.

Figuren 4 und 5 zeigen ein Vergleichsbeispiel einer aus dem Stand der Technik bekannten Tourenskibindung 110 mit einer herkömmlichen Befestigungslochanordnung, in welcher insgesamt fünf Befestigungslöcher 114 an einer Basisplatte 112 der Tourenskibindung 110 angeordnet sind, um die Bindung mit insgesamt fünf Befestigungsschrauben 118 am Ski zu befestigen. Von den Befestigungslöchern 114 sind vier Befestigungslöcher 114 in den Eckpunkten eines Rechtecks R100 angeordnet, dessen längere Seiten b100 parallel zur in die Skiebene E100 projizierten Schuhlagerachse Q'100 verlaufen und die Projektionslinie Q'100 mittig zwischen sich einschließen, so dass hintere Befestigungslöcher 114h den gleichen Abstand von der Projektionslinie Q'100 aufweisen wie vordere Befestigungslöcher 114v des Rechtecks R100. FIGS. 4 and 5 show a comparative example of a prior art touring ski binding 110 with a conventional mounting hole assembly in which a total of five mounting holes 114 are disposed on a base plate 112 of touring ski binding 110 to secure the binding to the ski with a total of five mounting bolts 118. Of the mounting holes 114, four mounting holes 114 are arranged in the corner points of a rectangle R100 whose longer sides b100 are parallel to the shoe bearing axis projected into the skid E100 Q'100 and enclose the projection line Q'100 centered therebetween so that rear mounting holes 114h are the same distance from the projection line Q'100 as front mounting holes 114v of the rectangle R100.

Ein zusätzliches, fünftes Befestigungsloch 114z ist an einem vorderen Anbringungsabschnitt 136 für einen Betätigungshebel 138 angeordnet. Der Betätigungshebel 138 ist Teil eines Betätigungsmechanismus, der analog dem oben beschriebenen Ausführungsbeispiels der Erfindung mit einer Lageranordnung 122 zur Lagerung eines Skischuhs zusammen wirkt und dessen Einzelheiten nicht erneut beschrieben werden. Das zusätzliche Befestigungsloch 114z befindet sich zwischen zwei aufwärts ragenden Wandabschnitten 137 des vorderen Anbringungsabschnitts 136, zwischen welchen eine in Figur 4 nicht erkennbare Lagerachse für den Betätigungshebel 138 verläuft.An additional fifth attachment hole 114z is disposed on a front attachment portion 136 for an operation lever 138. The actuating lever 138 is part of an actuating mechanism which, analogous to the embodiment of the invention described above, interacts with a bearing assembly 122 for supporting a ski boot and the details of which are not described again. The additional attachment hole 114z is located between two upwardly projecting wall portions 137 of the front attachment portion 136, between which an inward one FIG. 4 unrecognizable bearing axis for the actuating lever 138 extends.

Claims (8)

  1. Touring ski binding (10), comprising:
    - a base plate (12) which is intended to be mounted on a surface of a ski (16) and which comprises a mounting hole arrangement comprising a plurality of mounting holes (14) for screwing the base plate (12) to the ski (16),
    - a bearing arrangement (22), which is attached to the base plate (12) and is designed to pivotally retain a ski boot (24) about a boot bearing axis (Q) extending transverse to a longitudinal axis (M) of the ski, and
    - a binding actuation lever (38) for actuating the touring ski binding (10), which is pivotally retained on an actuating lever shaft (40) extending transverse to the longitudinal axis (M) of the ski,
    the mounting hole arrangement comprising four mounting holes (14), of which, in a plan view of the touring ski binding in a plane (E) of the ski, two front mounting holes (14v) are arranged in front of the boot bearing axis (Q') at the same distance (sv) from the boot bearing axis (Q') and two rear mounting holes (14h) are arranged behind the boot bearing axis (Q') at the same distance (sh) from the boot bearing axis (Q'),
    characterised in that
    the front mounting holes (14v) are arranged, in plan view, at the same distance from the boot bearing axis (Q') as the actuating lever shaft (40).
  2. Touring ski binding according to claim 1, characterised in that the distance (sv) of the front mounting holes (14v) from the boot bearing axis (Q') is greater than the distance (sh) of the rear mounting holes (14h) from the boot bearing axis (Q').
  3. Touring ski binding (10) according to either claim 1 or claim 2, characterised in that the actuation lever (38) is pivotally mounted on a bearing element (36) which is arranged between the front mounting holes (14v).
  4. Touring ski binding (10) according to any of the preceding claims, characterised in that the mounting hole arrangement comprises exactly four mounting holes (14) for screwing the base plate (12) to a ski (16).
  5. Touring ski binding (10) according to any of the preceding claims, characterised in that the four mounting holes (14) are arranged at the corners of a rectangle (R).
  6. Touring ski binding (10) according to any of the preceding claims, characterised in that a quadrilateral (R) formed by the four mounting holes (14) has a greater extension length (b) along the central axis (M) of the ski than orthogonally to the central axis (M) of the ski.
  7. Touring ski binding (10) according to any of the preceding claims, further characterised by a locking mechanism (48), by means of which the bearing arrangement (22) can be locked such that it is possible for the ski boot (24) to pivot, but for the ski boot (24) to be prevented from releasing from the bearing arrangement (48), even when a force exceeding a fall release force is exerted, the locking mechanism (48) comprising a locking actuation element (52) which is intended to be actuated by the user for locking the bearing arrangement (22), the locking actuation element exerting a force directed away from the plane (E) of the ski on the base plate (12) when actuated.
  8. Base plate (12) for a touring ski binding (10), said base plate being intended to be mounted on a surface of a ski (16) and which comprises a mounting hole arrangement comprising a plurality of mounting holes (14) for screwing the base plate (12) to the ski (16), the mounting hole arrangement comprising four mounting holes (14), of which, in a plan view of the touring ski binding in a plane (E) of the ski, two front mounting holes (14v) are arranged in front of the boot bearing axis (Q') at the same distance (sv) from the boot bearing axis (Q') and two rear mounting holes (14h) are arranged behind the boot bearing axis (Q') at the same distance (sh) from the boot bearing axis (Q'), further comprising a first attachment portion (20a, 20b) for attaching a bearing arrangement (22) for a boot bearing axis (Q) extending transverse to a longitudinal axis (M) of the ski and a second attachment portion (36) for retaining a binding actuation lever (38) so as to be pivotal transverse to the longitudinal axis (M) of the ski, characterised in that an actuation lever shaft (40) of the binding actuation lever (38) for actuating the touring ski binding (10) is arranged, in plan view, at the same distance from a boot bearing axis (Q') extending transverse to a longitudinal axis (M) of the ski as front mounting holes (14v) for screwing the base plate (12) to the surface of a ski (16).
EP10189961.5A 2009-11-04 2010-11-04 Cross-country ski binding with a base plate comprising a fixing hole assembly and base plate Not-in-force EP2319595B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102009046396A DE102009046396A1 (en) 2009-11-04 2009-11-04 Toe piece for touring ski binding and ski boot for touring ski binding
DE102010001130A DE102010001130A1 (en) 2010-01-22 2010-01-22 Touring ski binding with a bearing pin having a snow groove
DE202010001835U DE202010001835U1 (en) 2010-02-04 2010-02-04 Touring ski binding with a mounting hole assembly having a base plate and base plate

Publications (3)

Publication Number Publication Date
EP2319595A2 EP2319595A2 (en) 2011-05-11
EP2319595A3 EP2319595A3 (en) 2012-10-10
EP2319595B1 true EP2319595B1 (en) 2014-08-13

Family

ID=43589444

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10189961.5A Not-in-force EP2319595B1 (en) 2009-11-04 2010-11-04 Cross-country ski binding with a base plate comprising a fixing hole assembly and base plate

Country Status (1)

Country Link
EP (1) EP2319595B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3141425C1 (en) * 1981-10-19 1982-11-04 Heinz 8391 Tiefenbach Beck Safety binding for skis
AT381458B (en) 1985-03-25 1986-10-27 Barthel Fritz TOURING SKI BINDING
ITMI20051429A1 (en) * 2005-07-22 2007-01-23 Ski Trab S R L TIP FOR SKI ATTACHMENTS
WO2009121187A1 (en) * 2008-04-03 2009-10-08 G3 Genuine Guide Gear Inc. Toe unit for alpine touring binding

Also Published As

Publication number Publication date
EP2319595A3 (en) 2012-10-10
EP2319595A2 (en) 2011-05-11

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