EP2656885A2 - Front unit for a glide board binding, in particular pivotable front unit with release assembly - Google Patents

Abstract

The front panel (10) has a front holding unit for holding a front portion of a sliding board boot (12). The front holding unit is mounted rotatably on the base (14) so as to rotate both front holding unit and sliding board boot about a shared vertical axis extending orthogonal to the sliding board plane (E), in a closed position of the front holding unit. A release arrangement converts a relative movement between holding unit and base into an adjustment movement of the holding unit from the engagement position into a release position.

Description

The present invention relates, in a first aspect, to a slide board binding front unit comprising a base adapted for attachment to a gliding board defining a sliding board plane, and a front holding device for holding a front portion of a gliding board shoe, the front holding device being rotatable on the base is mounted to allow in an engaged position (eg downhill or tour position) of the front holding device rotation of both the front holding device and the Gleitbrettschuhs about a common, substantially orthogonal to the sliding board plane extending vertical axis.

Such a front unit is from the EP 2 431 080 A1 known. The rotatable mounting of the holding device about a vertical axis of rotation allows a joint rotation of the holding device and the ski boot held thereon in the event of lateral release of the binding (Mz triggering). In the known binding, the release then takes place in two stages, with the heel unit of the binding releasing the heel portion of the shoe in a first stage so that the shoe can pivot freely about the vertical axis together with the front unit retaining means, and in a second stage the joint pivotal movement of the holding device and shoe is abruptly stopped at a stop, whereupon jumps due to the acting inertial forces of the shoe also from the front unit out.

The conventional binding has the disadvantage that due to the two-stage tripping operation in the event of a fall triggering from the front unit is only initiated when the ski boot has already rotated by a predetermined angle to a stop. A second jerky resistance then occurs to cause the front unit to trip as well. In order to ensure a reliable triggering in the second stage by the inertial force between shoe and binding, the holding force of the holding device of the front unit must not exceed a predetermined force. However, a correspondingly lower holding force, on the other hand, under certain circumstances results in false front-end firings during sporty driving or under special loads during touring in touring mode.

The object of the invention according to the first aspect is thus to provide a front unit of the type mentioned with a pivotable holding device, in which a reliable tripping behavior is ensured and at the same time during normal operation of the binding, a sufficiently high holding power is provided on the front unit to prevent false triggering ,

To achieve this object, the invention according to the first aspect provides a front unit of the type mentioned, in which further a release arrangement is provided, which a relative movement of the holding device and the base (ie, a rotation of the holding device relative to the base about the vertical axis) in an adjusting movement of the holding device from the engaged position converts into a release position.

According to the invention thus takes place a release of the shoe from the front unit (especially in the event of a fall) not in a two-stage process in which the holding device only after exceeding a predetermined angle of rotation, in particular by jerky stop opens, but the rotational movement is in itself Implemented opening movement of the holding device, so that the opening process is directly associated with the rotational movement. This ensures that during or after the release of the heel unit itself also opens the front holding device and releases the sliding board shoe. Further, since the rotational movement itself is converted into the opening movement of the holding device, ie the holding device is forcibly opened during the rotational movement, the holding device of the front unit can be set so that it holds the shoe with a relatively high holding force in the normal operating position, so that false triggering can be avoided ,

The movement conversion from the rotational movement of the holding device in an opening movement of the holding device can be realized by a cam mechanism, so that the rotational movement forcibly leads to a simultaneously occurring opening movement. The motion conversion is achieved in this way with simple means and high reliability.

In a preferred embodiment it is provided that the base has a cam portion and that the holding device has a cam follower which is pressed by a force of a clamping device in abutment against the cam portion, wherein a movement of the cam follower against the force of the clamping device, the adjusting movement of the holding device of causes the engagement position in the release position. In this embodiment, by appropriate shaping of the cam portion or the cam follower a movement sequence when opening the holding device can be defined accurately and reliably. In this case, the cam portion may have a V-shaped or a U-shaped control contour on which the cam follower slides in a relative rotation between the holding device and the base. Such control contours can in particular be designed with symmetrical geometry, so that at the lowest point of the V-shape or U-shape, a neutral position or normal position can be defined, in which the shoe is aligned in the longitudinal direction of the sliding board. From this normal position, the holding device can be rotated in both directions of rotation in the event of triggering of the front unit, wherein the cam follower then slides onto one of the two legs of the V-shape or the U-shape, in particular against the resistance of the clamping device.

According to a second aspect, the present invention relates to a front panel for a gliding board binding, comprising a base adapted for attachment to a gliding board, and a left engaging member and a right engaging member which are respectively held at bearing portions so as to be between an engaged position to the Holding a Gleitbrettschuhs and a release position for releasing a sliding board shoe are movable, wherein the engagement elements on a remote from the bearing portions coupling means, which are adapted for coupling to front left and right counter coupling means of a Gleitbrettschuhs, and wherein the coupling means extending transversely to a Gleitbrettlängsachse Define transverse axis about which a Gleitbrettschuh held on the coupling means is pivotable.

Front units of this type are known in the art, for example from the EP 0 199 098 A or the EP 2 431 080 A1 , The coupling means are usually formed by a left and right coupling pin, which are arranged at free ends of movably mounted engagement elements, so that they are facing each other and can engage in corresponding left or right holes on the front part of the sliding board shoe. In this known binding, the engaging elements, the bearing portions of the base and the coupling means must be made with sufficient stability, since they must keep the front part of the sliding board shoe during the downhill safely engaged. The forces acting on the engaging elements and their bearing portions during use can over time lead to wear of the bearing sections or require the use of particularly stable, but therefore relatively heavy components.

Object of the present invention according to the second aspect is a To provide front unit for a Gleitbrettbindung of the aforementioned type, which may have less wear or lower weight and / or is designed for higher loads during normal operation.

According to the invention, this object is achieved by a front unit for a sliding board binding, in particular a touring binding of the aforementioned type, wherein the front unit has at least one relief section, on which a spaced from the bearing portion support portion of the left and / or right engagement member is supported in the engaged position.

By the features of the invention of the second aspect, the effect is achieved that at least one of the two engagement elements, at least in the engaged position, when high forces can act on the bond (eg during a downhill run), a portion of the forces can be absorbed by the relief section so that the bearing portion or other parts of the engagement element can be relieved. In particular, in a lever-shaped engaging member in which the coupling means is at a free end at a distance from the bearing portion, by supporting the engaging member at a relief portion between the bearing portion and the coupling means, a significant reduction of the effective lever lengths upon application of force from the coupling means forth be achieved.

In a particularly simple embodiment of the invention of the second aspect, the relief section may be provided on the base. The force absorbed by the relief portion can thus be introduced directly into the base, which is attached to the sliding board. If the bearing sections of the engagement elements are formed on a base body, which is held rotatably on the base about a vertical axis, the relief section is preferably likewise provided on the base body.

Particularly preferably, the support portion of the left and right engagement member and the relief portion are adapted for support in the vertical direction. In a downhill, in particular acting in the vertical direction and sometimes impulsively occurring high forces can then be derived from the coupling means on the corresponding engagement element, the support section and the discharge section of the invention stable.

When the support portion of the engagement member and the relief portion are positively engaged with each other in the engagement position such that they are adapted for support in at least two different directions, the relief portion according to the invention enables the absorption of forces in at least two different directions, for example vertically up and down vertically. In this way, an additional relief of the bearing sections or engagement elements is achieved.

An easy way to constructively realize a relief section of the type according to the invention and optionally also to support different support directions, is provided by the provision of a projection which engages in a matching recess. Thus, a portion of support portion and relief portion may have a projection and the other portion of support portion and relief portion may have a recess for receiving the projection. By appropriate adaptation of the contours of projection and recess forces can then be positively received in different directions.

Advantageously, a front unit of the second aspect may also be a front unit of the first aspect of the invention, and in particular may include one or more of the features described above in connection with the first aspect of the invention to provide the corresponding Benefits and effects to achieve.

According to a third aspect, the present invention relates to a front board unit for a gliding board comprising a base adapted for attachment to a gliding board, and a left engaging element and a right engaging element, which are respectively held to bearing portions on the base so as to interpose an engaging position for holding a Gleitbrettschuhs and a release position for releasing a sliding board shoe are movable, wherein the engagement elements are biased by a movable relative to the base-mounted clamping element in the engaged position.

A front unit of this type is known in the art, for example from the EP 1 990 098 A or the EP 2 431 080 A1 , In this widespread binding, the two engagement elements each carry a clamping body, wherein the clamping body of the two engagement elements abut each other and are pressed by respective springs together. During the movement of the engagement elements between the open and closed positions, the coupling bodies slide against each other and bias the engagement elements in the open position or in the closed position.

The mechanism for biasing the engagement elements of the known touring binding has a relatively complicated structure and is susceptible to wear or external influences such as moisture, snow and ice due to the frictional contact between the two coupling bodies. In addition, a total of four tension springs are used in the known front unit to bias the two coupling means without the risk of mutual tilting each other.

Object of the invention according to the third aspect is to provide a front unit of the aforementioned type, which comprises a mechanism for movement of the engagement elements between open position and closed position, which shows less tendency to wear and a has a simple structure.

According to the third aspect of the present invention, this object is achieved by a front unit of the type mentioned, which further comprises: a left link, which is pivotally connected on the one hand to the left engaging element and on the other hand pivotally connected to the clamping element, and a right link, which on the one hand with the right engaging element is pivotally connected and on the other hand pivotally connected to the clamping element.

According to the invention thus has a front unit of the third aspect of the invention instead of the two, respectively biased by springs coupling body, which are biased in abutting contact, a left and a right link, which are pivotally coupled respectively with their associated engagement elements and on the other hand pivotable with a clamping element are connected. As a result, on the one hand achieved that both engagement elements can be biased by a common clamping element, so that the number of spring means can be reduced. On the other hand, all connections between the engaging elements and the tensioning element are made by simple pivot bearings, e.g. Pin bearing, realizable, so that a stable and low-wear motion conversion between the pivoting movement of the engaging elements and the movement of the clamping element is made possible. In particular, it is possible to dispense with abutting abutments, cam mechanisms or the like, which are susceptible to external influences such as moisture, snow and ice.

In a particularly preferred embodiment of the third aspect of the invention it is provided that at least one of the two engagement elements is pivotally mounted at its associated bearing portion about a first pivot point, that the same engagement member is pivotally mounted at its associated link about a second pivot point and that the same link the Clamping element is pivotally mounted about a third pivot point, wherein in the engaged position, an angle between a movement path of the clamping element and the second pivot point and the third pivot point interconnecting line is substantially a right angle and an angle between the second pivot point and the third pivot point interconnecting line and a line connecting the first pivot point and the second pivot point is substantially a right angle. By the features of this embodiment, a self-locking locking of the engagement member in the engaged position (closed position) of the front unit is achieved because when a force is introduced from the shoe into the engagement member and thus generating a torque on the engagement member about the first pivot point of the associated bearing portion of this torque can generate no force component which points in the direction of movement of the clamping element. Thus it can be prevented that in the engaged position during normal use and also under the action of particularly high forces in the case of a sporty driving style or special loads during the ascent takes place an undesirable triggering of the front unit. At the same time, the force of the clamping element can be limited to a relatively small force, so that a manual adjustment of the bond between open position and closed position is easily possible.

It is also conceivable to use the self-locking configuration of the connecting links and the engagement elements according to the embodiment described above for locking the front unit in a walking position or tour position of the front unit, ie when a triggering of the front unit is basically not desirable. By an additional mechanism or an additional adjustment operation, the front unit can then be adjusted from the tour position to a down position, in which the self-locking configuration is canceled, for example, the angles between the elements or movement paths are less than or greater than 90 °, so in the Departure a triggering of the binding in the event of a fall is possible. Alternatively, an additional triggering mechanism may be provided which, in the downhill position, causes the engagement members to release the sliding board shoe in the event of a fall.

Advantageously, a front unit of the third aspect may also be a front unit of the first and / or second aspect of the invention, and in particular comprise one or more of the features described above in connection with the first and / or second aspects of the invention, in order to obtain the corresponding advantages and effects achieve.

According to a fourth aspect, the present invention relates to a front board unit for a gliding board comprising a holding arrangement for holding a gliding board shoe on the board gliding engagement, so that the gliding board shoe about an axis extending transversely to a Gleitbrettlängsachse in a defined pivoting range between a horizontal position, in FIG Substantially parallel to a sliding board plane, and an inclined position, at an angle to the sliding board plane, pivotable, and an actuating arrangement for adjusting the holding arrangement between the engaged position and a release position in which the sliding board shoe is substantially released from the retaining engagement of the retaining arrangement. The angle at which the gliding board shoe (in particular a sole plane of the shoe) is inclined in the inclined position relative to the sliding board plane may be between about 60 degrees and about 90 degrees.

A front unit of this kind is for example from the EP 1 990 098 A and is part of a touring binding to keep the sliding board shoe pivotally on the front unit in a touring mode. The known binding has an adjusting mechanism in order to adjust the holding device between a closed engagement position and an opened release position. The adjustment mechanism simultaneously forms a trigger mechanism to the sliding board shoe in the event of a fall Release when a force action between shoe and binding in the lateral direction (torque about vertical Z-axis) exceeds a predetermined release force.

Another known front unit is in the EP 2 431 080 A1 and comprises a holding arrangement for holding a sliding board shoe, wherein the holding arrangement is mounted rotatably about a vertical axis on a non-skid base. In this known front unit, an Mz-triggering mechanism is realized by cooperation with a heel unit, wherein in a first phase of the triggering operation, the heel portion of the shoe is released laterally from the heel unit, the sliding board shoe then laterally surrounds the common vertical axis together with the front-unit holding means pivoted and finally after reaching a stop in a known manner, the clamping force of the holding device of the front unit is overcome to release the sliding board shoe and the front unit.

In the touring bindings known in the prior art, release mechanisms are provided primarily for Mz release to prevent twisting of the sliding board about the axis of the user's leg in the event of a fall. However, in the case of an action of a force in the vertical direction and in particular rotation of the ski boot about a Y axis extending transversely to the sliding board longitudinal axis, the touring bindings on the front unit do not release, since in this case the heel unit of the binding vertically upwards the heel portion of the ski boot releases, but then pivoted the shoe about the pivot axis of the holding device of the front unit. In this case, while there is not directly to a dangerous leverage between the user's board and leg, but a complete release of the sliding board from the shoe in a fall is still desirable to remove the sliding board as quickly and reliably from the user in such a situation, and For example, to prevent striking the front portion of the sliding board on the body of the user.

It is therefore an object of the present invention according to the fourth aspect to provide a front unit of the aforementioned type, i. to provide a toe unit of touring binding having a My triggering mechanism that releases the sliding board shoe from the front unit when a force between shoe and front unit in the sense of rotating about a transverse axis transverse to the sliding board longitudinal axis exceeds a predetermined My release force.

According to the invention this object is achieved by a front unit of a touring binding, in which the actuating arrangement for adjusting the holding arrangement between the engaged position and release position comprises an actuating element which is arranged in the pivoting region of the sliding board shoe, so that a held in the engaged position sliding board shoe in a pivoting movement in a direction of the horizontal position to the inclined position contacted the actuator and actuated to adjust the holding assembly in the release position.

According to the fourth aspect of the invention, an actuating element for opening the holding arrangement is thus arranged in the pivoting area of the sliding board shoe and is actuated by the sliding board shoe as soon as the sliding board shoe is pivoted far enough about the transverse axis to the front. Thus, in a downhill position of the touring binding, a My-triggering mechanism can be provided in which, upon application of a corresponding torque about a Y-axis in the event of a fall, first the heel portion of the shoe is released upward in a conventional manner from the heel unit of the binding, then the shoe is pivoted upwards, towards the inclined position, and actuated in this way, the actuating element. As a result, the holding arrangement is adjusted to the release position and the shoe is completely released from the touring binding.

In principle, the actuating element could be arranged so that the sliding board shoe can only actuate the actuator after exceeding a very large pivot angle and almost reaching the vertical position, so that no movement of the actuator takes place during a normal pivoting movement in the tour position during the climb and the shoe firmly on the Holding device is held. This variant has the advantage that no further adjustment of the front unit to activate the My-trigger mechanism in the downhill position or deactivation of the My-trigger mechanism in the tour position is required.

In order to ensure a reliable engagement in the tour position and to avoid false triggering while walking, however, in a preferred embodiment of the invention according to the fourth aspect is thought that the front unit is adjustable between a down position, in which the actuating element of the actuator assembly disposed in the pivoting range is, and a tour position, in which the actuating element of the actuator assembly is disposed outside the pivoting range. This embodiment can be developed with particular advantage in that the front unit has a trigger mechanism, wherein the trigger mechanism is adjusted or adjustable in the down position to an active position, so that when a force exerted by a predetermined release force between Gleitbrettschuh and front unit, the holding arrangement in the Release position is adjusted to release the sliding board shoe from the front unit, the release mechanism is adjusted or adjustable in the tour position in a locked position, so that a release of the sliding board shoe is prevented, with an adjustment of the actuating element from the downhill to the tour position an adjustment causes the triggering mechanism from the active position to the locked position. The adjustment between downhill and touring position can thus not only move the actuator according to the invention in the appropriate position, but at the same time also adjust a release mechanism, in particular Mz and / or Mx release mechanism, between active and passive positions so that in the downhill position the desired release mechanisms are respectively active and in the tour position substantially no release mechanisms are in operation which could cause false trips during walking ,

Figur 1a

eine Seitenansicht einer Vordereinheit des Ausführungsbeispiels der vorliegenden Erfindung in einer Freigabestellung sowie eine Teilansicht eines vorderen Abschnitts eines Skischuhs,

Figur 1b

eine perspektivische Ansicht der Vordereinheit des Ausführungsbeispiels,

Figur 1c

eine Draufsicht der Vordereinheit des Ausführungsbeispiels,

Figur 1d

eine perspektivische Schnittdarstellung der Vordereinheit des Ausführungsbeispiels entsprechend einer Schnittlinie A-A in Figur 1c,

Figur 1e

eine Schnittansicht der Vordereinheit des Ausführungsbeispiels entsprechend einer Schnittlinie A-A in Figur 1c,

Figuren 2a bis 2e

Ansichten der Vordereinheit des Ausführungsbeispiels entsprechend den Ansichten in Figuren 1 a bis 1 e, jedoch für eine Abfahrtsstellung der Vordereinheit,

Figuren 3a bis 3e

Ansichten der Vordereinheit des Ausführungsbeispiels entsprechend den Ansichten der Figuren 1a bis 1e, jedoch für eine Tourenstellung der Vordereinheit, und

Figuren 4a und 4b

Schnittdarstellungen der Vordereinheit des Ausführungsbeispiels entsprechend einer Schnittlinie B-B in Figur 2a.

The invention will be explained in more detail below with reference to a preferred embodiment with reference to the accompanying drawings. Show it:

FIG. 1a

a side view of a front unit of the embodiment of the present invention in a release position and a partial view of a front portion of a ski boot,

FIG. 1b

a perspective view of the front unit of the embodiment,

Figure 1c

a plan view of the front unit of the embodiment,

Figure 1d

a perspective sectional view of the front unit of the embodiment according to a section line AA in Figure 1c .

Figure 1e

a sectional view of the front unit of the embodiment according to a section line AA in Figure 1c .

FIGS. 2a to 2e

Views of the front unit of the embodiment according to the views in FIGS. 1 a to 1 e, but for a departure of the front unit,

FIGS. 3a to 3e

Views of the front unit of the embodiment according to the views of FIGS. 1a to 1e, however, for a tour position of the front unit, and

FIGS. 4a and 4b

Sectional views of the front unit of the embodiment according to a section line BB in FIG. 2a ,

A front unit of the exemplary embodiment of the invention, generally designated 10 in the figures, is basically configured as a front part of a touring binding to pivotally hold a ski boot 12 on a front shoe section. The front unit comprises a base 14 which is provided for attachment to a touring ski and in particular fastening holes 16 (FIG. FIG. 4a ).

The base 14 defines by its mounting arrangement for attachment to the sliding board a sliding board plane E corresponding to the surface of the sliding board on which the base 14 is to be mounted. In a coordinate system of the front unit runs parallel to the Gleitbrettebene E and along a Gleitbrettlängsachse L an X direction. Orthogonal to the X direction and also parallel to the sliding board plane E runs a Y direction (horizontally in the lateral direction). A Z-direction of the coordinate system of the front unit 10 extends vertically upward, i. orthogonal to the X direction and to the Y direction.

At the base 14 a holding arrangement for holding the ski boot 12 is arranged. In the exemplary embodiment, the holding arrangement is held rotatably about the base 14 about a vertical axis V and comprises a main body 17, which is mounted rotatably on the base 14 about the axis V. On the base body 17, the holding arrangement is arranged with a left engagement element 181 and a right engagement element 18r, which are each mounted on bearing portions 20l, 20r pivotally mounted on the base 14. In the exemplary embodiment, the engagement elements 181, 18r are each rotatable about vertical (in the Z direction) axes S1l, S1r. In the distance of the bearing portions 201, 20r, the engaging members 18l, 18r respectively carry coupling means 22l, 22r adapted to engage mating counter coupling means 24l, 24r at front left and right side portions of a sole 26 of the ski boot 12, respectively, around the shoe 12 in order to pivotally hold on the front unit 10 a transverse axis Q defined by the two coupling means 22l, 22r and extending transversely to the X direction (in particular in the Y direction).

On the left engagement element 181, a left link 28l is pivotally mounted on a left second pivot axis S21, which is located at a distance from the left first pivot axis S1l. Similarly, a right link 28r is pivotally mounted on a right second pivot axis S2r on the right engagement element 18r, wherein the second right pivot axis S2r is at a distance from the right first pivot axis S1 r. At a distance from the second pivot axes S21, S2r, the connecting members 281, 28r are each pivotally coupled to a clamping element 30. This coupling may be provided at a common pivot point. In the embodiment, however, the left link 281 is pivoted on a left third pivot axis S3l on the clamping element 30 and the right link 28r is pivotally connected to a right third pivot axis S3r on the clamping element 30, wherein the left and right third pivot axes S3l, S3r from each other and from the left and right second pivot axes S2l, S2r each have a distance. Preferably, the pivot axes S1l, S1r, S2l, S2r and S3l, S3r are all parallel to one another, in particular in the Z direction.

The tensioning element 30 can be held displaceably in the X direction on the front unit 10 and can be prestressed by a spring element 32 in a direction of displacement (here in the rearward direction or towards the shoe 12). Preferably, the clamping element 30 is formed as a piston which is displaceably held on a piston guide 34 which is fixed to the base body 17. The spring 32, which the clamping element 30th biased, may be supported at its front end to a spring bearing 36 of the piston guide 34 and be supported at its rear end on the clamping element 30. The spring bearing 36 may be held in threaded engagement with the piston guide 34, for example, be formed by a screw screwed into the piston guide 34, so that a bias of the spring 32 can be adjusted by turning the spring bearing 36.

By the arrangement of the engaging elements 18l, 18r, the connecting members 281, 28r and the clamping element 30 described above, a pivoting movement of the engaging elements 18l, 18r between the closed position and the open position can be converted into a linear displacement movement of the clamping element 30. Conversely, a displacement of the clamping element 30 causes a pivoting movement of the engaging elements 181, 18r between the engaged position and the released position.

The holding arrangement further comprises an adjusting element 38 which can act on the clamping element 30 in order to displace the clamping element 30 against the force of the spring 32 so that the engagement elements 18l, 18r are moved into the release position. The adjusting element 38 can in particular be operated manually by the user, for example by exerting a compressive force by a ski pole, for which purpose the adjusting element 38 can have an operating section with a corresponding recess 40. The adjusting element 38 may be pivotally supported on the main body 17 and have a latching portion 42 which slides on movement of the adjusting element 38 on a control contour 44 of the clamping element 30 so that the movement of the adjusting element 38 in a displacement of the clamping element 30 against the force of the spring 32nd is implemented. At one end portion of the control contour 44, a counter-latching portion 46 of the clamping element 30 with the latching portion 42 of the adjustment 38 engage, so that the adjustment 38 further holds without further exercise of force by the user, the clamping element 30 and the engagement elements 18l, 18r held in the open position become. Of the Locking portion 42 may, as can be seen in the figures, be formed by a projection which engages in a counter-locking portion 46 forming recess.

On the main body 17, an entry element 48 is further movably held, which has a pedal portion 50 for pressure actuation by a lower sole portion of a ski boot 12, so that by such a pressure actuation by the shoe 12 when entering the front unit 10, the entry element 48 is moved. An unlocking section 52 of the entry element 48 may be in communication with the adjustment element 38 such that movement of the entry element 48 due to the exertion of a compressive force from the shoe 12 to the pedal section 50 releases the latching section 42 of the adjustment element 38 from the counter-latching section 46 of the tensioning element 30, so that the Clamping element 30 is displaced by the force of the spring 32 and the engagement elements 18l, 18r pivot into the engaged position. In the exemplary embodiment, the entry element 48 is pivotally mounted on the base body 17 at a pivot axis 54 pointing in the Y direction, so that an upward movement of the unlocking section 52 can be generated by the ski boot 12 acting downward (arrow 55) in order to lift the adjustment element 38 upwards and thus release the tensioning element 30.

The holding device may further include a trigger lever 56 for providing a My-triggering mechanism. The release lever 56 may be pivotally mounted about a pivot axis 57 pointing in the Y direction on the base body 17 and be arranged so that a lower abutment portion 58 of the trigger lever 56 can be supported on an upper abutment portion 60 of the adjustment 38, so when exerting a compressive force the trigger lever 56 in the Z direction down and downward pivoting movement of the trigger lever 56 takes place a downward movement of the adjusting element 38, whereby the clamping element 30 is displaced against the force of the spring 32 and the engagement elements 181, 18r are pivoted from the engaged position in the direction of release position.

The trigger lever 56 preferably has an actuating portion 60, which is arranged in a pivoting range M of the shoe 12 with respect to a pivotal movement of the shoe 12 about the transverse axis Q of the coupling means 22l, 22r. In other words, the operating portion 60 of the trigger lever 56 in the down position of the front unit 10 (eg FIGS. 2a to 2e ) positioned so that upon pivotal movement of the shoe 12 about the transverse axis Q forward a front 62 of the shoe 12 abuts from above on the actuating portion 60 and the trigger lever 56 presses on continuation of the pivoting down and thus in the manner described above the holding device opens and the shoe 12 releases. Since Gleitbrettschuhe, which are set up and provided for use with a front unit of the type in question here, in particular already known touring ski boots, have a largely normalized geometry in the shoe tip, in particular the coupling to the known coupling pin (coupling means 221, 22r), the position of the trigger portion 60 and the pivotal range of the trigger lever 56 can be suitably selected by a person skilled in the art to ensure reliable operation of the trigger mechanism during forward pivoting of the shoe 12 by such shoes.

The front unit 10 of the embodiment of the invention may further relieve at least one of the two engagement members 18l, 18r by a relief portion. In the illustrated example, a left relief portion 64l is provided on the body 17 at which the left engaging member 18l can be supported vertically upward and downward, and a right relief portion 64r is fixed to the body 17 at which the right engaging member 18r in FIG can support vertical direction up and down. By way of representation, only the left-hand relief section 64l will be described in more detail below, wherein the described features can also be provided analogously for the support on the right-hand relief section 64r.

The left relief portion 641 has an upper relief surface 66o on which a lower support surface 68u of the left engagement member 18l can be supported, and further includes a lower relief surface 66u on which an upper support surface 68o of the left engagement member 181 can be supported so as to be vertical Direction acting on the engaging member 18l forces can be initiated both upwardly and downwardly stable in the discharge section 64l. Upper and lower support surfaces 68o, 68u are arranged in a portion of the engagement element 18l, which is located between the bearing portion 201 and the coupling means 22l.

Preferably, the relief described above is realized by the positive engagement of a projection in a matching recess. As in FIG. 2a 1, the left-hand relief section 64l and the corresponding region of the left-hand engagement element 181 engage in one another in a form-fitting manner, so that vertical forces can be stably absorbed. In particular, a projection 70 of the relief portion 64l may engage a mating recess 72 of the engagement member 18l or / and a projection 74 of the engagement member 18l may mate with a mating recess 76 of the relief portion 64l. The respective upper and lower support surfaces or relief surfaces are preferably parallel to the sliding board plane E, so that the pivotal movement of the engagement member 18l is not obstructed and even during this pivoting movement the corresponding surfaces slide adjacent to each other and the relief function is provided even in intermediate states between engagement position and release position.

With particular reference to FIGS. 4a and 4b Below, the rotary coupling between the base body 17 and base 14 is explained in more detail. As already from the EP 2 431 080 A1 is known, the base body 17 comprises a plate-shaped portion with a circular bearing recess 78 (FIG. FIG. 3e ), wherein the edge portion of the bearing recess 78 is held under a peripheral edge portion 80 of a bearing plate 82 to be secured to the ski or base 14, so that the base body 17 can not be lifted off the gliding board or base 14, but around the central, in Z-direction extending axis of rotation V, which runs through the center of the bearing recess 78, is rotatably held. Since the holding arrangement, including the engaging member 18l, 18r, the clamping member 30 and the other coupled with these elements components are directly or indirectly held on the base body 17, the holding assembly can rotate together with an optionally held by this shoe 12 about the axis of rotation V.

According to another feature of one aspect of the present invention, the rotational movement of the support assembly about the axis V is translated into an opening movement of the engagement members 18l, 18r to provide reliable Mz initiation. For this purpose, the control cam mechanism to be described below can be used. In the exemplary embodiment, the control cam mechanism comprises a cam section 84 formed on the base-fixed bearing plate 82 with a left-hand cam surface 84l and a right-hand cam surface 84r, which can each be rectilinear and in particular symmetrical and V-shaped with respect to the longitudinal slide-board axis L. The cam portion 84 cooperates with a cam follower 86 which is movably held on the base body 17 and which is preferably biased by spring force into abutting contact with the cam portion 84. Preferably, the biasing element 30 described above may include the cam follower 86 such that the spring means 32 may be used to bias the cam follower 86. The cam follower 86 may in particular be a projection on the rear end of the tensioning element 30.

The contour of the cam portion 84 defines a neutral position according to FIG. 4a for the rotation of the base body 17 about the axis V, wherein in the neutral position of the cam follower 86 is disposed at a lowest point of the contour of the cam portion 84 and a pivotal movement of the base body 17 starting from the neutral position in both directions of rotation of the cam follower 86 each on one of two cam surfaces 84l, 84r of the cam portion 84 must accumulate and is pushed back against the force of the cam follower 86 biasing spring. A rotation of the main body 17 from the neutral position thus takes place against the resistance of an elastic restoring force. The neutral position is the normal driving position, in which a held on the holding arrangement ski boot 12 is aligned in the direction of Gleitbrettlängsachse L.

The front unit 10 of the embodiment of the present invention may further include a twist-lock mechanism which prevents rotation of the main body 17 and thus the holding assembly about the rotation axis V in a touring position of the front unit 10. With particular advantage, in the exemplary embodiment of the present invention, the release lever 56 can be used to produce such a rotation lock. As in particular in FIG. 3 can be seen, the trigger lever 56 can be adjusted by manual operation by the user about its pivot axis 57 so far forward until a Drehverriegelungsabschnitt 88 of the trigger lever 56 engages with an associated Drehverriegelungsabschnitt 90 of the base member 14 or the sliding board, so that a lateral movement between trip lever 56 and base 14 and sliding board is blocked and thus a rotational lock of the body 17 is reached. For example, the rotational locking portion 88 of the trigger lever 56 engage in a matching recess 92 of the base member 14 to ensure a simple means a positive locking of both directions of rotation. At the same time by the forward pivoting of the trigger lever 56 for rotational locking and the actuating portion 60 of the trigger lever 56th removed from the pivoting range of the ski boot 12, so that in the tour position thus produced actuation of the trigger lever 56 is avoided by the shoe 12 and thus unwanted opening of the holding arrangement in the tour position can be prevented.

Hereinafter, an operation of the front unit of the embodiment of the invention will be explained in more detail.

In the in FIGS. 1a to 1e shown release position of the front unit 10, the clamping element 30 is moved against the force of the spring means 32 forward and is held in this position by engagement of the locking portion 42 with the counter-latching portion 46. The engaging elements 181, 18r are pivoted to the open position, so that the coupling means 221, 22r have a sufficiently large distance from each other, so that the ski boot 12 can be inserted between the coupling means 22l, 22r. The release lever 56 is folded back, so that the operation portion 60 is disposed in the vicinity of the ski boot 12. A rear edge portion 94 of the trigger lever 56 may in particular be positioned so that it serves as a stop or at least as an orientation for the ski boot 12 to arrange the ski boot 12 in a suitable position, so that the negative feedback means 24l, 24r of the ski boot 12 the coupling means 22l, 22r ready to attack each other.

To enter the front unit 10 is the user via the ski boot 12 a compressive force in the direction of an arrow 55 in Figure 1e exerted on the pedal portion 50 of the entry element 48, whereupon the entry element 48 moves the adjusting element 38, in particular raises, so that the latching portion 42 is released from the counter-locking portion 46. The adjustment element 38 then no longer holds the tensioning element 30 in the forwardly pushed position, so that the tensioning element 30 is displaced in the rearward direction by the force of the spring means 32. The latching portion 42 slides along the control contour 44 upwards and raises the adjusting element 38 in an upper position. With the Backward movement of the clamping element 30 are simultaneously the left and right links 28l, 28r, which are hinged to the clamping element 30, pivoted, whereby finally the engagement elements 181, 18r are pivoted so that the coupling means 22l, 22r to the negative feedback means 24l, 24r of the Move ski boot 12 toward, in particular the pins 22l, 22r penetrate into the recesses 241, 24r of the shoe.

When the coupling means 22l, 22r abut the negative feedback means 241, 24r, the in FIGS. 2a to 2e as in FIG. 4a produced engagement position produced. In this engagement position, the clamping element 30, the connecting members 28l, 28r and the engagement elements 18l, 18r form a self-locking lock which blocks undesired adjustment of the holding arrangement into the release position. For describing this lock, a moving path of the tension member 30 which passes along the sliding board longitudinal axis L is denoted by L ₁ , a connecting line between the left second pivot axis S21 and the left third pivot axis S3l is denoted L ₂ , and a connecting line between the left second S2l pivot axis and the left first pivot axis S1l is denoted by L. ₃ As in FIG. 4a can be seen, then in the engaged position, an angle W ₁ between line L ₁ and line L _{2 is} approximately a right angle and an angle W ₂ between the line L ₂ and L ₃ is also substantially a right angle. Corresponding right angles are in the engagement position of the front unit 10 and analog between L ₁ and a line connecting the right third pivot axis S3r and right second pivot axis S2r and between the latter connecting line and a line connecting the right second pivot axis S2r and right first pivot axis S1 r set. Due to this right angle, no rotational forces act on the connecting members 281, 28r when force is applied to the coupling means 22l, 22r, so that the tensioning element 30 is not displaced and thus movement of the elements of the holding arrangement in the direction of the release position is blocked.

As in particular in FIG. 4a can be seen, the cam follower 86 at the rear end of the clamping member 30 is not fully in abutting contact with the cam portion 84. Instead, a slight gap or clearance remains between cam follower 86 and cam portion 84. This play ensures that the coupling means 22l, 22r be pressed against the counter-coupling means 241, 24r of the ski boot 12 under the resulting from the spring 32 spring tension and even with manufacturing tolerances or wear still be securely held in abutting contact. When said clearance is provided between the cam follower 86 and the cam portion 84, an additional centering mechanism 96 may preferably be provided which causes the body 17 to be biased toward neutral, ie operate in an angular range in which, due to said play, therebetween Cam follower 86 and cam portion 84 a centering action by the cam mechanism 84, 86 is not effective. The additional centering mechanism 96 may be provided by two relatively weak springs 98 biasing the body 17 in opposite directions of rotation, such that upon deflection of the body 17 from the neutral position, either one or the other spring is compressed and forces back the body toward neutral ,

In the engaged position according to FIGS. 2a to 2e For example, the front unit 10 may be used for a downhill run. In this case, a heel portion of the ski boot 12 can be held by a heel unit, not shown, the touring binding. In such a down position, the front unit 10 of the embodiment provides a My-triggering mechanism and an Mz-triggering mechanism. When a high force in the sense of a rotation about the Z-axis (eg in the event of a fall), the heel unit triggers in the lateral direction and the ski boot 12 pivots together with the holding assembly on the base body 16 about the vertical axis V. The cam follower slides 86 on one of the two control surfaces 84l, 84r of the cam portion 84, so that the clamping element 30 counter the force of the spring means 32 is pushed forward. The clamping element 30 pivots the connecting members 281, 28r and, as a consequence thereof, the engagement elements 18l, 18r in the direction of the release position. Thus, at the same time to trigger the heel unit and a continuous opening movement of the holding assembly in the direction of release position, so that the ski boot is released both on the heel and on the front shoe portion and is reliably decoupled from the binding.

In a My-triggering the heel unit (not shown) of the touring binding releases the heel portion of the ski boot 12 in a vertical upward direction when a force exceeding a predetermined release force acts on the ski boot in the sense of a rotational movement about the Y axis (eg during a fall). The ski boot 12 then rotates about the transverse axis Q of the coupling means 22l, 22r upward in the direction of a vertical position of the ski boot, until the front 62 of the ski boot 12 contacts the actuating portion 60 of the release lever 56 from above. Upon further pivoting movement of the ski boot 12, the release lever 56 is pressed down, so that the adjusting element 38 is also moved downwards. By sliding the latching portion 42 on the control contour 44, the clamping element 30 is displaced in the forward direction against the force of the spring means 32 and adjusted in the manner described above, the engagement elements 18l, 18r in the release position, so that the ski boot 12 released from the front unit 10 becomes.

To adjust the tour binding in a tour position, a heel unit (not shown) of the touring binding can be adjusted so that it releases the heel portion of the ski boot 12, so that the ski boot 12 can pivot freely about the transverse axis Q. Further, for the adjustment of the front unit 10 in the tour position of the release lever 56 are folded forward until it is supported on the base member 14 or on the sliding board. In particular, the rotational locking portion 88 of the Release lever 56 in locking engagement with the corresponding Drehverriegelungsabschnitt 90 on the base member 14 and the sliding board, so that rotation of the body 17 is blocked about the axis V. In addition, by the forward folding of the trigger lever 56 of the actuating portion 60 is disposed outside of the pivoting range M of the ski boot 12, so that the ski boot 12 can pivot freely forward without actuation of the trigger lever 56.

To get out of the front unit 10, the user can move the front unit 10 from the tour position as well as from the downhill to the release position. For this purpose, the user can exert a pressure force on the adjusting element 38 by means of a ski pole or in another way. Alternatively, the user in the downhill position of the front unit 10 exert a compressive force on the release lever 56. As a result of the downward movement of the adjustment element 38, the tensioning element 30 is displaced forward in the manner already described above and the engagement elements 181, 18r are moved into the release position until the latching section 42 locks with the counter-latching section 46 and the retaining arrangement is locked in the release position , The coupling means 22l, 22r are then sufficiently far apart that their engagement with the counter coupling means 241, 24r is released and the ski boot 12 can be lifted off the front unit 10.

Claims (15)

Front panel unit (10) for a gliding board binding, comprising a base (14) adapted for attachment to a gliding board defining a sliding board plane (E), and a front retaining means for holding a front portion of a gliding board shoe (12), the front retaining means abutting the base (14) is rotatably mounted in order, in an engaged position of the front holding device, to allow rotation of both the front holding device and the sliding board shoe (12) about a common vertical axis (V) extending substantially orthogonal to the sliding board plane (E),
characterized by a trigger arrangement (84, 86), which converts a relative movement between the holding device and the base (14) in an adjusting movement of the holding device from the engagement position into a release position. The front unit (10) according to claim 1, characterized in that the trigger assembly (84, 86) comprises a cam mechanism. The front unit (10) according to claim 1 or claim 2, characterized in that the base (14, 82) has a cam portion (84) and that the holding means comprises a cam follower (86) which abuts by a force of a tensioning device (32) is pressed against the cam portion (84), wherein a movement of the cam follower (86) against the force of the tensioning device (32) causes the adjusting movement of the holding device from the engagement position to the release position. The front unit (10) according to claim 4, characterized in that the cam portion (84) has a V-shaped or a U-shaped control contour on which the cam follower (86) slides in a relative rotation between the holding device and the base (14). Front unit (10) for a sliding board binding, in particular according to one of the preceding claims
a base (14) adapted for attachment to a gliding board, and
a left engaging member (18l) and a right engaging member (18r) respectively held on bearing portions (20l, 20r) so as to be movable between an engaging position for holding a sliding board shoe (12) and a releasing position for releasing a sliding board shoe (12) are,
said engagement members (18l, 18r) having at a portion remote from said bearing portions (20l, 20r) coupling means (22l, 22r) adapted to be coupled to front left and right counter coupling means (24l, 24r) of a gliding board shoe (12), and
said coupling means (221, 22r) defining a transverse axis (Q) transverse to a longitudinal sliding board axis (L) about which a sliding board shoe (12) held on said coupling means (22l, 22r) is pivotable,
marked by
at least one relief portion (64l, 64r) on which a spaced from the bearing portion (20l, 20r) arranged support portion (68o, 68u) of the left and / or right engagement member (18l, 18r) is supported in the engaged position. Front unit (10) according to claim 5, characterized in that the relief portion (64) on the base (14) or on a bearing portions (20l, 20r) carrying the base body (17) is provided. Front unit (10) according to claim 5 or claim 6, characterized in that the supporting portion (68o, 68u) and the relief portion (641, 64r) are arranged for support in the vertical direction. The front unit (10) according to any one of claims 5 to 7, characterized in that the support portion (68o, 68u) and the unloading portion (641, 64r) are positively engaged with each other in the engaged position so as to be supported in at least two different Directions are set up. The front unit (10) according to any one of claims 5 to 8, characterized in that a portion of support portion and relief portion comprises a projection (70, 74) and the other portion of support portion and relief portion has a recess (72, 76) for receiving the projection ( 70, 74). Front unit (10), for a gliding board binding, in particular according to one of the preceding claims
a base (14) adapted for attachment to a gliding board, and
a left engaging member (181) and a right engaging member (18r) respectively held on bearing portions (20l, 20r) so as to be movable between an engaging position for holding a sliding board shoe (12) and a releasing position for releasing a sliding board shoe (12) are,
the engagement elements being biased into the engaged position by a clamping element (30) movably held with respect to the base (14),
marked by,
a left link (28l) which is pivotally connected on the one hand to the left engaging element (18l) and on the other hand pivotally connected to the clamping element (30), and
a right link (28r) which is pivotally connected on the one hand to the right engaging element (18r) and on the other hand pivotally connected to the clamping element (30). Front unit (10) according to claim 10, characterized in that at least one of the two engagement elements (181, 18r) is pivotably mounted at its associated bearing portion (20l, 20r) about a first pivot point (S1l, S1e) that the same engagement element (18l, 18r) is pivotally mounted on its associated link (281, 28r) about a second pivot point (S21, S2r) and that the same link (28l, 28r) is pivotally mounted on the tension member (30) about a third pivot point (S3l, S3r) .
wherein, in the engaged position, an angle (W1) between a movement path (L ₁ ) of the tension member (30) and a line (L ₂ ) interconnecting the second pivot point (S2l, S2r) and the third pivot point (S31, S3r) substantially is right angle and an angle (W2) between the second pivot point (S2l, S2r) and the third pivot point (S31, S3r) interconnecting line (L ₂ ) and one of the first pivot point (S1l, S1r) and the second pivot point ( S2l, S2r) interconnecting line (L ₃ ) is substantially a right angle. Front unit (10) for a sliding board binding, in particular according to one of the preceding claims
a holding arrangement for holding a sliding board shoe (12) on the sliding board binding in an engaged position, so that the sliding board shoe (12) about an axis (Q) transverse to a Gleitbrettlängsachse (L) in a defined pivoting range (M) between a horizontal position, in Substantially parallel to a sliding board plane (E), and an inclined position at an angle oblique to the sliding board plane (E), is pivotable,
an actuating assembly (56, 30, 38) for adjusting the retaining arrangement between the engagement position and a release position, in which the sliding board shoe (12) is substantially released from the retaining engagement of the retaining arrangement,
characterized in that the actuating arrangement (56, 30, 38) comprises an actuating element (56) which is arranged in the pivoting region (M), so that a sliding board shoe (12) held in the engaged position, upon a pivoting movement in a direction from the horizontal position to the inclined position, the actuating element (56 ) and actuated to adjust the holding arrangement in the release position. Front unit (10) according to claim 12, characterized in that the front unit (10) is adjustable between a down position, in which the actuating element (56) of the actuating arrangement is arranged in the swivel area (M), and a tour position, in which the actuating element ( 56) of the actuating assembly is arranged outside the pivoting range (M). Front unit (10) according to claim 13, characterized
that the front unit (10) a trigger mechanism (84, 86),
wherein the trigger mechanism (84, 86) is adjusted or adjustable in the down position to an active position, so that when a force exerted by a predetermined release force between Gleitbrettschuh (12) and front unit (10), the holding assembly is moved to the release position to the Release the sliding board shoe (12) from the front unit (10),
wherein the trigger mechanism (84, 86) in the tour position in a locked position (88, 90) is adjusted or adjustable, so that a release of the sliding board shoe (12) is prevented,
wherein an adjustment of the actuating member (56) from the downhill position to the tour position effects an adjustment of the firing mechanism (84, 86) from the active position to the locked position (88, 90). Front unit (10) according to one of the preceding claims, characterized in that the front unit (10) in a departure position for it is arranged to pivot the Gleitbrettschuh (12) about a substantially vertical axis (V).

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