DE2308536A1 - RELEASE SKI BINDING WITH FRONT AND REAR HOLDING DEVICE - Google Patents

Description

"Release binding with front and rear holding device" The invention relates to a release binding with a front and rear holding device, wherein the holding member of the front holding device is resilient directly or indirectly pressed against the shoe and, in the case of excessively strong forces, against the spring force is moved to release the bond.

A binding of this type is known in which one has a shoe braced sole plate as a whole against a resiliently supported front holding device is displaceable and after a certain distance from the rear holding device is released. However, the front and rear holding devices must be used or the clamping of the soleplate between these two is precisely matched to one another so that the soleplate and thus the shoe actually turns out to be detaches from the ski after the predetermined forward stroke. Depending on the clamping of the soleplate Differences can arise here, which under certain circumstances can lead to the release fails in case of danger.

The invention is based on the object of a reliable release of the shoe heel through the rear holding device depending on the forward stroke to ensure a front retaining member. The invention accordingly consists essentially in that the movement of the front support member reduces the holding force the rear holding device is controlled by transmission means separate from the shoe.

It can thereby be achieved that in each case at a predetermined Stroke of the front holding device also actually triggers the rear holding device is guaranteed. By incorporating a translation into the transmission means the reliability of the trip can be increased.

The transmission means can be mechanical, hydraulic or pneumatic Linkage, an electrical transmission medium or the like. be provided. The holding devices can directly the shoe or a soleplate on which the shoe is clamped is to hold all skis. The spring force can optionally be provided by a spring of any kind can also be generated by another energy store replacing a spring.

For improved response of the safety device for triggering the binding can, according to a further feature of the invention, shoe sole or sole plate together with the front retaining member on the ski or a relatively ski-solid base be stored with low friction. For this purpose, rolling elements or a sliding plate can be made from Low-friction material, e.g. tetrafluoroethylene (Teflon), can be used.

The release of the shoe or a sole plate that receives the shoe through the rear holding device can suddenly, e.g. through immediate or indirect unlocking of the hold-down member, or by gradually reducing it the hold-down force, e.g. by releasing a hold-down spring.

The control of the rear holding member can also be independent of the Movement of a front holding member take place, e.g. by adding a Control member is provided that is only or essentially only for control of the rear holding member is used. The holding or control element, e.g. in arranged in a middle or rear region of the sole or the sole plate be. A longitudinal guide can be used to hold the front part of the sole or the sole plate serve, in which a mounting element (e.g.

a screw) engages with a widened head in such a way that upon displacement the sole or the sole plate, the retaining element emerge from the longitudinal guide can.

There is also a particularly advantageous embodiment of the invention in that the holding suspension of the rear holding device is arranged in such a way that they are also the holding or control member of a front via the transmission means Holding or control device holds in engagement and that by forward movement of the front holding or control member the holding force of the rear holding device is reduced or canceled entirely. In particular, a retaining spring, E.g. the hold-down suspension of an automatic heel system, which is on the one hand via a gear mechanism in the holding direction and on the other hand on your rear End supported in the opening sense against the rear holding member and the transmission means attack in such a way on the holding suspension that by moving the holding or Control member of the front holding or control device, the rear holding member is relieved of the spring load acting in the holding direction on the holding spring.

Further details of the invention are the following description of exemplary embodiments.

1 shows a ski binding in a purely schematic representation with clamped on the ski and suddenly released by the rear holding device Shoe, Fig. 2 a ski binding with on the ski against the spring action of the front holding device longitudinally displaceable and by gradually relaxing a posterior one Hold-down suspension released soleplate, FIG. 5 the side view, partially in section, a further embodiment of the invention with from a front Holding device independent control device, partly in section along the line 3-5 of FIG. 4, FIG. 4 shows a section along line 4-4 of FIG. 3 and FIG. 5 shows a section Section along line 5-5 of FIG. 5.

In Fig. 1, the boot 11 is on the ski 10, for example by means of an intermediate plate and by means of rollers 15 held by a cage 12 by a front holding device 14 and a heel holding device 15 stretched. The front holder 14 is supported by a bracket 16 fixed to a ski and e.g. by a screw link 17 adjustable spring 18 pushed backwards, the front holding device 14 sliding together with the boot 11 through the rolling elements 15 with low friction on the ski is stored.

The heel holding device 15, its housing-shaped hold-down member e.g. can be swiveled up around a rear transverse axis 19 and is suspended by a holding device 20 (hold-down suspension) the heel of the shoe on the ski or against the rolling elements stored or essentially consisting of such an intermediate layer presses is through a locking lever 21 coupled to the hold-down member, e.g. with a transmission held in use position. A is used to lock the locking lever 21 Locking link 22, which holds the locking lever 21 in the locking position. The locking member 22 is on Linkage 23 connected, which is connected to the front holding device 14, so that when the same is shifted in the longitudinal direction of the ski, the locking member 22 moves. In the drawing, a mechanical linkage 25 is used as a transmission means accepted. However, a hydraulic or electric or other suitable transmission means may be provided.

With a certain forward stroke of the front holding device 14 or a holding member of the same in the direction of arrow x - for example as a result of a frontal fall - Against the action of the spring 18, the locking member 22 is thereby out of the area of the locking lever 21 pulled out, so that this under the action of the hold-down spring 20 is pivoted clockwise and the hold-down spring is relaxed.

Instead of a set of rolling elements 13, a Plate or layer made of low-friction material, e.g. made of tetrafluoroethylene (Teflon), be provided.

The embodiment according to FIG. 2 differs from that one according to Fig. 1 in that the boot 11 on a soleplate 30 by means of a front additional holding device 31 and a heel tensioning device 52 any is clamped in a suitable manner and the soleplate 30 on your part with the interposition of rolling elements 33 or 34 or of intermediate layers low-friction material such as Teflon or the like. guided on the ski 10 in a longitudinally movable manner is.

It is together with the front holding device holding the sole plate 50 14 and the shoe 11 by the spring 18 - according to FIG. 1 - backwards against the heel retaining device 15 is pressed. The hold-down member of the heel hold-down device is by a locking member, e.g. a pawl 55 or the like. Which by means of an inclined Engaging surface engages via a pin 36 on the hold-down member and under the action a spring 37 is, for example as a compression spring between one connected to the pawl 35 Spring abutment 38 and a spring abutment 39 is clamped between, locked. The spring 37 is dimensioned here weaker than the spring 18, so that they normally by the spring 18 by means of the front holding device 14 and one with the same the linkage 40 connecting the spring abutment 39 in the direction of the arrow y below accordingly great tension is held.

If, for example, as a result of a head-on fall, a strong kick from the shoe 11 or thrust exerted by the soleplate 50 on the front holding device 14 on, the front holding device 14 and the linkage 40 in the direction of arrow x against the effect of the spring 18 shifted more or less.

In the same sense, the rear spring 37 is relieved, so that the the pressure holding the locking device (pawl 35 and pin 36) in engagement is reduced will until after one certain relief of the spring 37 and at a correspondingly strong upward force acting on the shoe heel Overcoming the reduced spring force 57, the lock 55, 56 is released. the The inclined surface on the pawl 35 enables the pawl to slide off the pin 56.

Front hold device and heel hold device can be any Be of construction, provided that they only allow the mode of operation aimed at according to the invention. Also e.g. the linkage 40 or the plate 50 independent of the front holding device 14 be displaceable, with between the front holding device and linkage or plate 40 a translation, e.g. by means of an intermediate lever, can be provided.

Front holding device and heel holding device can also be adjusted, e.g. the heel retaining device 15 on a ski-mounted base plate or the like. in the longitudinal direction of the ski be adjustable.

In the embodiment according to FIGS. 3 to 5, the sole 11a of the ski boot 11 - or a corresponding sole plate (see above) with the interposition of Rollers 41 slidably supported in the longitudinal direction of the ski. The rear holding device 15 is again designed in the form of a known automatic heel, the housing-shaped Hold-down member 15a can be pivoted up about the rear joint 19 on a base plate immovable, but expediently mounted adjustable in the longitudinal direction of the ski. A hold-down spring 42 is supported on the one hand by means of a spring abutment 43 against a lever mechanism 44, which in the exemplary embodiment consists of two series-connected There are links 45 and 46, which are connected to one another by means of hinge 47, in which e.g. also the spring abutment 43 is articulated.

Of the two links, the link 45 is in a bearing joint 48 a support frame 49, which is firmly connected to the base plate 41, the link 46 hingedly connected to the housing-shaped hold-down member 15a by means of a joint 50.

The rear end of the hold-down spring 42 is at 51, advantageous adjustable, also supported on the housing-shaped hold-down member 15a. The hold-down spring 42 thus exerts its spring force acting in the direction of the arrow via the lever mechanism 44 a hold-down moment on the hold-down member 15a and on the spring support 51 on the hold-down member a moment in the opening sense around the bearing joint 19 from which, however, cannot have any effect as long as the full hold-down moment consists.

With the joint 47 or the spring abutment 43 or with one of the links 45 and 46 a two-armed lever 53 is articulated by a linkage 52, which in the illustrated embodiment on the axis 19 of the hold-down member 15a is stored, but also stored separately on the ski or a part that is fixed to the ski can be. The lever 53 is articulated to a forward leading rod 54 which ends in a spur-like approach 55. This one protrudes into a recess 56 in the sole 11a and can be on an inclined surface 57 of a stop part Support 58, which is inserted into the shoe sole or in the sole plate. By the pressure of the hold-down spring 42, which the spring abutment 43 in the direction of the arrow z is loaded, the spur 55 is possibly simultaneously engaged via the lever 5) held with the stop part 58.

In the front part of the shoe sole lla or the sole plate is - independent of the control device formed mainly by the spur 55 - in or a plate 60 is inserted into a recess 59, and for example with the sole or the Soleplate fastened by screws 61. The plate 60 has a slot a narrowed part 62 and a widened part adjoining it in the longitudinal direction of the ski Part 63 on. However, the recess 59 has a greater height than the thickness of the plate 60, so that a channel-shaped longitudinal space remains above the plate, which together with the narrowed slot 62 forms a longitudinal guide with a T-shaped cross section.

Furthermore, a guide member 63 is in the ski 10, in the exemplary embodiment a screw inserted through the narrowed slot 62 and the head 64 of which protrudes into the channel-shaped space 59a of the T-shaped guide.

In the position shown, the shoe sole lla (or

a corresponding sole plate) by the front holding member 65 against Lifting off the ski and is secured on the other hand by the rear hold-down member 15a pressed against the ski or held in the depressed position. The Spur 55 can rest on the inclined surface 57 of the stop part 58 or a certain amount of play have opposite this inclined surface, so that the hold-down spring 42 their can exert hold-down effect unaffected by the transmission linkage 54.

If, for example, as a result of a head-on fall, a strong forward-facing kick occurs Force in the direction of the arrow x, the shoe (or the sole plate) can move in the direction of the arrow x slide on the ski by means of the rollers 41. Here, on the one hand, the spur pulls 55 by means of the transmission linkage 54, the rod 52 counter to the direction of the arrow z backwards. As a result, the lever mechanism 44 is relieved of the hold-down effect the spring 42 relieved, so that the opposite to the direction of arrow z at 51 on the housing-shaped Hold-down member 15a exerted moment comes into effect and the hold-down member 15a pivots upward about its transverse axis 19.

Simultaneously with the forward movement of the shoe (or the sole plate) in the direction of the arrow x, the guide 59 is displaced so far with respect to the guide member 65 that that the guide member 65 comes into the extension 62a and thereby the shoe (or the sole plate) also on hers front end releases.

Optionally, the rod 52 can also be used to be an arbitrary one To achieve release of the shoe from the rear holding device 15. For example For this purpose, the lever 53 can have an upward or rearwardly directed lever arm obtained, which is depressed from the outside clockwise (according to FIG. 5) and thereby the lever mechanism 44 is relieved of the hold-down spring 42.

Claims (1)

Expectations: Release binding with front and rear holding device, wherein the shoe is resilient directly or indirectly against the rear holding device is pressed and is moved against the spring force in the event of excessively strong forces, characterized in that the movement of the shoe reduces the holding force the rear holding device (15) by transmission means separate from the shoe (2), 40,54) controls. 2. release ski binding according to claim 1, characterized in that a mechanical linkage is provided as the transmission means. 5. release ski binding according to claim 1, characterized in that a hydraulic or pneumatic transmission means is provided. 4. release ski binding according to claim 1, characterized in that an electrical transmission means is provided. 5. release ski binding according to one of claims 1 to 4, characterized in that that the holding device holds the shoe sole (lla) directly (Fig. 1). 6. release ski binding according to one of claims 1 to 4, characterized in that that the shoe (11) is clamped on a sole plate (30) and the holding device (15) holds the sole plate (30) on the ski (10). 7. release ski binding according to one of claims 1 to 6, characterized in that that a front holding device (14) or a front holding or control member Mounted displaceably in the longitudinal direction of the ski and to the rear by spring force (18, 42) pressed, with excessively strong forward forces acting on the shoe however, against the spring force is moved forward and thereby the holding force the rear holding device (15) is reduced. 8. release ski binding according to one of claims 1 to 7, characterized in that that shoe sole (lla) or sole plate (30) together with a front holding member a front holding device (14) on the ski (10) or a relatively ski-fixed one Pad is mounted with low friction. 9. release ski binding according to claim 8, characterized in that Shoe sole (lla) or sole plate (30) by means of rolling elements (13; 3,3441) on the Ski (10) or a relatively ski-proof base is stored, 10. Release ski binding according to one of Claims 7 to 9, characterized in that the front holding device (14) one in a manner known per se, the front end the sole (lla) or the sole plate (5o) overlapping holding member for control the rear holding force. 11. Release ski binding according to one of claims 7 to 9, characterized in that that the front holding device - e.g. in a middle or rear area the sole (lla) or the sole plate (30) arranged -by this actuated holding- or control member (55) for controlling the rear holding force. 12. release ski binding according to claim 11, characterized in that the holding or control member is essentially inserted into a lower recess (56) of the Sole or sole plate engaging, preferably spur-like or wedge-like approach (55) is formed, which by spring force (42) backwards against one on the sole or sole plate arranged stop (57) is pressed. 13. Release ski binding according to one of claims 1 to 12, characterized in that that for holding or additional holding of the front part of the sole (lla) or Sole plate (30) between this and the ski (10) has a slit-shaped, in the longitudinal direction of the ski Longitudinal guide (59, 62) with a T-profile or transition into an extension (62a) similar Profile on one part, e.g. the sole or sole plate, and one in this guide guided holding element (63) with widened head (64) on the other part, e.g. is arranged on the ski, the narrow part (62) of the slot-shaped longitudinal guide (59) rear reaching widened head (64) has a width which is greater than that Width of this narrow part (62), but smaller than that adjoining it in the longitudinal direction of the ski Extension (62a) is. 14. Release ski binding according to one of claims 1 to 13, characterized in that that the transmission means (23; 54) the rear holding device (15) after a certain stroke of the front holding device (14) or a front holding or control member (55) for releasing the shoe trigger. 15. release ski binding according to claim 14, characterized in that the holding force of a rear holding spring (20) until the end of said stroke completely or essentially maintained and only then suddenly the retaining spring is relaxed. 16. release ski binding according to claim 15, characterized in that the holding force of the holding suspension (20) by one located in the clamping position Lever (21) is maintained by the transmission means (23) for relaxation the holding suspension can be released. 17. Release ski binding according to one of claims 1 to 13, characterized in that that the transmission means (40) the holding force of the rear holding device (15) continuously with the stroke of the front holding device (14) or a front one Reduce the holding member. 18. Release ski binding according to one of claims 1 to 17, characterized in that that the rear holding device (15) has a holding member which is secured by a locking member (35) under the holding force that changes with the stroke of the front holding member, e.g. spring force (37). 19. Release ski binding according to one of claims 1 to 18, characterized in that that the holding suspension (42) of the rear holding device (15) is arranged in such a way is that via the transmission means (54) also the holding or control member (55) a front holding or control device in engagement and that by forwards moving the front holding or control member (55) reduces their holding force or is completely canceled. 20. release ski binding according to claim 19, characterized in that the holding suspension (42) on the one hand via a gear mechanism (44) in the holding direction of the rear holding member (15a) and on the other hand at its rear end (at 51) is supported in the opening sense against the rear holding member (15a) and the transmission means (54,52) so attack the retaining spring (42) that by moving the Holding or control member (55) of the front holding or control device the rear Holding member (15a) from the spring load acting in the holding direction of the holding suspension (42) is relieved of the 21st release ski binding according to claim 20, characterized in that that the transmission means (54,52) with the holding member (55) of the front holding device has connected linkage (54), which via a joint linkage (52) or the like. direct or indirectly with the spring abutment (43) on the lever gear side of the retaining spring (42) is connected. 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