JPS5944063B2 - Safety ski bindings for touring and downhill - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a safety ski binding for touring and downhill use.

A safety ski binding of this kind is known from German Patent No. 1578912.

In this known ski binding, the structural height of the release metal fitting is too high, the ski boots are lifted up from the skis when walking, which causes fatigue for the tourer, and the release force between the ski boots and the metal fittings is not constant. be.

Furthermore, the known safety binding (German Patent Publication No. 2213354) has the disadvantage that the ski boots are located high above the skis, making the tourer tired.

The object of the present invention is to form a safety key binding of the type mentioned at the beginning so that it is possible to use various kinds of ski shoes; mountain climbing ski boots, and at the same time, the same conditions are always satisfied regarding the release position and the return position. It is.

Furthermore, the safety ski binding should be simple in construction and operation, and should have a small lifting angle without requiring much force to lift the boot when walking on a tour.

According to the present invention, this problem is solved by the configuration described in claim 1.

The front sole holder can be designed as a rigid, flexible or elastic curve and is fixed to the release plate so as to be pivotable about an axis running transversely to the longitudinal axis of the ski. Alternatively, the bottom holder can be constructed as a height-adjustable rigid fitting which can also be constructed very simply.

The use of a pivotable curvature has the advantage that this curvature can be adapted to each boot shape, as well as to the respective sole height, depending on its possible use.

Due to the special configuration of the invention, the ski boot is held in a low position on the ski, and the release plate is supported pivotably and longitudinally displaceably on the ski by means of a swivel bearing located in front of the projection. The heel suppression holder is arranged with the rotating plate or the upper part of the rotating base to elastically load the ski boot together with the release plate in the longitudinal direction of the ski. The objective is to maintain the objective.

Since the release plate is made secure against buckling between the ski and the boot, a relatively thin release plate can be used.

In particular, the release plate is made of an elastically flexible material so that, when the release plate is projected onto the ski, it undergoes no plastic deformation on the one hand after the release process and no risk of damage on the other hand.

The friction between the release plate and the pivot plate is reduced by the use of a smooth synthetic resin on the release plate side or by the arrangement of sliding strips.

In order to avoid movement resistance of the heel of the ski boot during the release process when retracting the ski boot, in another embodiment of the invention, a heel suppression holder is arranged outside the release plate. A longitudinally movable plywood board is provided, which can be held in a further forward position by means of a spring.

This spring is used because it always holds the plywood in the starting position so that no additional forces are exerted on the boot and can be set extremely weakly.

According to the invention, an advantageous configuration is provided in which the release plate is fitted in the region of its rear end with a swivel pin which can be fixed to the swivel plate or to the swivel base through a longitudinally extending slit in the operating position. The release plate has a cam-like projection at its front end, and the cam-like projection covers the edge of the projection with a projection and is supported by a locking device provided with a sliding aid.

In order to reduce the friction between the release plate and the locking device, the sliding aid can consist of a roller or a plastic layer.

A slit in the rear region of the release plate, in conjunction with a pivot pin, provides the possibility of holding the plywood longitudinally displaceably and pivotably relative to the ski.

The plywood is subjected to a small load without the ski boot being inserted and is not released from the locking device; this is especially useful when transporting skis on the roof of a car. The ski has a retaining cam that projects inwardly, and the retaining cam holds the release plate in a used position on the ski when not in use.

This retaining cam thereby only prevents automatic disengagement of the release plate from the locking device due to its own weight, but does not interfere with the release process.

The cam-like protrusion may be formed asymmetrically with respect to the longitudinal centerline in order to obtain different release forces in the left and right directions.

In the case of forming the release plate, this projection consists of an elastic synthetic resin material with metal parts riveted to the release plate.

This has the advantage that this metal part can at the same time have a retaining plate for the bend, which is used as a front sole holder.

If the protrusion covering the protrusion of the release plate is chamfered starting from the support surface and upwards to its free end so that the release plate can also be released upwards, the possibility of release is reduced by this pindening backwards. It will be enlarged as long as it is released when moving.

In a further embodiment of the invention, the heel restraint holder is adjustable relative to the pivot plate or pivot, so that the safety lock can be easily adapted to ski boots of different sizes. A locking device is provided, which is used to secure the pivot plate and at the same time serves as a support for the boot section.

Furthermore, the above-mentioned movable plywood can be guided on this locking device.

The crimping of the boot onto the lug suppression holder part and the front sole holder required in connection with the described embodiments of the invention is achieved in a particularly simple manner so that the heel suppression holder is perpendicular to the upper surface of the ski in the position of use. A heel support portion that is located and holds the heel of the ski boot and is pivotable about a horizontal axis approximately U
The transverse parts of the tension element are pivotably connected to the heel support part, the tension struts of the tension element being designed elastically or It is held pivotably and movably during the guidance of the support part and supports a compression spring fixed to the heel support part.

In conjunction with the fixation of the heel restraint holder to the movably held barb device, the crimping force directed forward and determining the release forces for lateral and rearward release is adjusted by this movable barb device. The advantage is that the front release value of the binding can be adjusted by changing the angle of inclination of the heel support part by means of an adjustment screw.

In order to make it possible for the user to also know from the outside the magnitude of the adjusted release force, a further configuration of the invention is recommended, namely that each tension strut consists of two parts. one part of which is held on the heel support part and the other part on the pivot plate or a part connected thereto, the image parts are overlapped and have a stopper at the free end, between which a compression spring is inserted. The reason is that it is provided.

The parts can then be guided through a helical compression spring, which is designed to accommodate the parts superimposed on one another in the assembled state.

The magnitude of the adjusted release force can be read based on the position of one end relative to the scale where one of the sections is marked.

An embodiment of the invention is shown in the drawing.

A sliding plate 2 on the ski 1 is mounted by a pivot shaft 3 on a bracket 4 screwed onto the ski so as to be pivotable about an axis running transversely to the longitudinal axis of the ski.

A locking device 5 is provided in the region of the rear end of the pivot plate 2, which locks the pivot plate on the downhill ski.

The lock device 5 has a lower part 6 movably arranged on the ski.
and an upper part 7 which fixes the pivot plate as well as the retaining member 8 to the lower part 6, the upper part 7 being screwed to the retaining member 8 and secured to the pivot plate by means of a locking device.

For the fixation of the upper part 7 to the lower part 6, a sliding member 9 is used, which has a variable width over its length and whose wide section ensures the retention of the lower part 6 in the flowering state. Can be slid under the protrusion.

The closing device 5 consists of a lower part 6 which has a retaining projection 37 and is arranged in an adjustable manner on the ski.

For adjustable fixing of the lower part 6, a screw is inserted into this elongated hole 38.

The retaining projection 37 engages in the closed position of the opening 39 of the upper part 7 as well as through an opening 40 of the retaining member 8 (represented only in cross-section).

A sliding member 9 is slidably guided between the upper part 7 and the rotary plate 2 connecting the upper part 7, and the sliding member has a wide part 41 and a narrow part 42 (a second In order for the sliding member to remain under the upper part 7, the sliding member is provided with bends 44 at opposite ends, which allow the sliding member to be engaged and removed without removing the screws 45. to prevent

A screw 45 holds together the upper part 7 and the retaining part 8, which are tightened by the screw and accommodate the rotating plate 2 between them.

The parts 41 and 42 are then moved from a first position in which the wide part 4 cooperates with the inwardly bent end 43 to a position where the narrow part 42 is located on the retaining projection and the rotating plate is lifted from the ski. The length is defined to move the sliding member to the second position.

A release plate 10 is disposed on the pivot plate 2, which is movable in the longitudinal direction of the ski and pivotable about an axis perpendicular to the upper surface of the ski.

For this purpose, a pivot pin 11 fixed to the pivot plate is used, which engages through a slot 12 into the rear end of the release plate 10, at which point the release plate engages the locking device 5. It's getting close.

Since the release plate 10 cannot be lifted from the ski,
The pivot pin 11 has a flat head 13.

At its front end, the release plate 10 is provided with a cam-like projection 14, which is shaped as a stop part 15 and is integral with or fixed to the release plate 10; It is used for the pivotable support of the curved part 16 forming the sole holder.

The cam-shaped projection 14 is supported by a locking device 17 which covers the front edge of the cam-shaped projection 14 by means of a projection 18 .

The projection 18 is held on the ski by two pins 19, and the ski is equipped with a roller that can be displaced over the cam-like projection 14 during the release process.

Instead of the pin 19, a continuous support surface formed correspondingly to the cam-like projection can also be provided, the support surface having a synthetic resin layer, i.e. a synthetic resin layer correspondingly cut under the projection 18. A resin plate is provided, and the synthetic resin plate can be riveted onto the pivot plate 2 together with the projection 18 .

When the boot is attached to the binding, the curvature 16 rests against the upper edge of the boot and thereby prevents the tip of the boot from lifting.

The heel is held by a heel restraint holder 20 with a heel support part 21 acting on the rear sole edge, which is supported once in the holding element 8 of the locking device 5 by means of a U-shaped tensioning element 22 .

The tension element 22 has two tension struts, each consisting of two parts 23 and 24, which are connected to each other by a cross member 25, which guides the pivoting of the heel support part 21 relative to the tension element 22. Allow.

The tension struts 23 and 24 are superimposed on each other and have bends 26 and 27 at their free ends, which bends the compression spring 2 surrounding the tension struts in the area of the overlap of the sections 23 and 24.
8 is used as a stopper.

The adjustment spring force is read off using the scale 29, with the spring 2
A pressing force of 8 is applied to the rotary plate 2 from the position of the lock device 5.

The magnitude of the release force of the front crimping is adjusted by means of an adjustment screw which changes the angle of the heel support part 21 relative to the ski boot.

A restraining section 20 that applies forward thrust to the attached ski boots
When the release plate 10 is pressed against the locking device 17 by its cam-like protrusion 14 over the curved portion 16, and when the release plate 10 receives an excessive rotational force from the locking device, the spring 28 of the heel suppression holder 20 , and a vertical sliding movement of the end with the slot 12 relative to the pivot pin 11 takes place before the release plate 10 can be pivoted laterally.

In order that the release plate can be slid on the pivot axis 11 without a ski boot and pivoted relative to the ski, a holding cam 30 is formed inside the slot 12, and the holding cam 30 moves the release plate 10 under its own weight. does not interfere with the return movement of the material, and does not inhibit the release process.

On the upper part 7 of the locking device 5 a base plate 31 is held by a T-shaped projection 32, which is movable in a slot 33 of the upper part 7 against the action of a relatively weak spring 34, thereby The base plate 31 combined with the projection can likewise be deflected towards the rear during the release process, so that almost no significant frictional forces occur between the boot part and the upper part 7.

36 designates a helical spring which surrounds the pivot axis 3 and is designed in such a way that the pivot axis always loads the pivot plate 2 in the direction of the ski 1.

According to the safety key binding for touring and downhill skiing according to the present invention, one safety key binding can be switched for use for touring and downhill skiing with a simple operation, and the same conditions are established regarding the release position and the return position, so that the same safety key binding can be used for touring and downhill skiing. To obtain a safety ski binding that does not require a large force to lift ski boots when walking and has a small lifting angle.

[Brief explanation of the drawing]

FIG. 1 is a side view of a safety ski binding according to the invention;
FIG. 2 is a top view of this ski binding. FIG. 3 is a sectional view taken along the line ■--■ in FIG. 2, and FIG. 4 is an exploded perspective view showing an example of a heel support part for a safety key binding according to the present invention.

Claims (1)

[Scope of Claims] 1. It can travel around an axis that crosses the longitudinal axis of the ski, and can be fixed on the ski in the case of downhill use by means of a locking device 5 that can be switched by a switching member. a rotating plate 2 which is releasable for touring use; a front bottom halter 16 which is locked in a locking device 17 and can be removed from the locking device together with the ski boots in the event of overload; In the safety ski binding for tours and downhills, which is equipped with a restraining holder 20 that elastically loads the ski boots on the sole holder 16, the front sole holder 16 is arranged on the rotating plate 2, and A safety ski binding characterized in that it is fixed to a release plate 10 which is vertically movable and rotatable in the event of an overload. 2. The safety ski according to claim 1, wherein the front bottom holder 16 is formed as a rigid, flexible or elastic bone part or as a rigid metal fitting whose height is adjustable. Binding. 3 The release plate 10 has a swing bearing 11 at the front heel of the ski.
The support holder 20 is supported so as to be rotatable from side to side and movable in the vertical direction. Claim 1
Safety ski binding as described in paragraph or paragraph 2. 4 When the lower limit suppression holder 20 is disposed outside the release plate 10, a base plate 31 that is movable in the vertical direction of the ski is attached to the lower limit suppressor holder, and the base plate 31 is moved to the furthest forward position by the spring 34. Any one of claims 1 to 3, which is held in a pressed position.
Safety ski binding as described in section. 5 The release plate 10 has, in the region of its rear end, a slit 12 which is oriented in the longitudinal direction during use and is connected to the pivot plate 2.
Alternatively, a pivot pin 11 fixed to the pivot table passes through it, and the release plate 10 has a cam-like projection 14 at its front end, the edge of which is held down by a projection 18 of a locking device 17. 5. The safety ski binding according to claim 1, wherein the safety ski binding is supported in a locking device 17 with a sliding aid. 6. The edge of the slit 12 has a retaining cam 30 projecting inwardly on the release plate 10, which retains the release plate in its engaged position on the ski during its inaction. Sefte ski binding as described. 7. The safety ski binding according to claim 5 or 6, wherein the cam-like protrusion 14 is formed asymmetrically with respect to the longitudinal centerline. 8 Projection 18 covering cam-shaped projection 14 of release plate 10
The safety ski binding according to claim 5, wherein the release plate 10 is chamfered starting from the support surface 19 and extending upward to the free end so that the release plate 10 can also be released upward. 9 The restraint suppression holder 20 is arranged in the lock device 5,
The lock device is also used as a support for the heel of a ski boot,
A safety ski binding according to any one of claims 1 to 8. 10 The heel suppression holder 20 is a heel support portion 2 that is located perpendicular to the upper surface of the ski during use and holds the heel of the ski boot.
1 and a tensioning element 22 extending diagonally forward in a U-shape and pivotable about a transverse axis, the transverse member 25 includes a heel support part 21
the tension strut 23 of the tension element;
, 24 are of elastic design or are held pivotably and movably during the guidance of the heel support part and support a spring fixed to the heel support part. Safety ski binding according to claim 9. 11 Each tension strut consists of two parts 23, 24, of which one part 24 is pivoted on the heel support part 21 and the other part 23 on the pivot plate 2 or on the part 8 connected thereto, both parts 2
3.24 is overlapped and has a stopper 26 at its free end.
or 27, and a compression spring 28 is provided between the two stops 26, 27.