Safety binding

Details Safety binding Safety binding

1987-12-18

1989-09-19

Marmor, Charles A.

Land vehicles

Skates

Shoe attaching means

280626, 280628, A63C 9081

Patent

active

048674710

DESCRIPTION:

BRIEF SUMMARY
FIELD OF THE INVENTION

The present invention relates to a safety ski binding having a sole plate pivotally supported on a rising pin fixedly secured to the ski.


BACKGROUND OF THE INVENTION

Applicants' earlier German patent number 382,084 is similar to the present invention and relates to a novel protection against soiling and a simplified toe construction. This patent represents the cutting edge of the safety ski binding art because the sole holder is an independent component and is pivotable about a transverse axis.
In contrast, in German patent 31 02 010 the entire toe piece pivots about a transverse axis.


SUMMARY OF THE INVENTION

An object of the present invention is to overcome the problems and disadvantages of the prior art.
An object of the present invention is to so design a toe piece that is an improvement over the conventional design because it is more compact and the number of individual components are reduced.
Because the control member directly engages the spring load ratchet lever, it is possible to use only one leg spring which simultaneously loads the sole holder mounted on a common cross rod of ratchet lever and control member. Moreover, the control member itself may act as a cover for the ratchet lever and as seen in the travel position for the guide surface and the fore of the sole plate.
The features of the present invention assure reliable guidance between the sole plate and the guide plate in a simple manner. The pivotability of the sole plate is determined in especially simple manner by the features of the invention.
Because of the integral design of guide surface and guide plate according to the invention, the number of components required in this region is reduced separately. The design of the guide plate according to the features of the invention allows to integrate the component used for arbitrary opening into the guide plate.
The compactness of the overall binding is enhanced by the oblique design of the guide surface of the present invention.
The features of the present invention make possible an especially advantageous design of the control beak or member. The features of the invention protect an especially advantageous shape of the control member. Simple and reliable cooperation between the control beak and the control member is defined by the features of the invention.
A design of the sole holder, and its cooperation with the shackle-bolt and the one with the leg spring according to the features of the invention allows special compactness in this region.
Arbitrary opening also of the toe piece is made possible by the features of the invention.


BRIEF DESCRIPTION OF THE DRAWINGS

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate several embodiments of the present invention and together with the description, serve to explain the principles of the present invention.
FIG. 1 shows a longitudinal section along line 1--1 of FIG. 2 of the toe piece of the present invention in the travel position.
FIG. 2 shows a part sectional top view of the toe piece of the present invention.
FIG. 3 shows a top view in the travel position with omitted components covering the sole plate.
FIG. 4 shows a top view similar to FIG. 3 but with the sole plate having been pivoted.
FIG. 5 shows a longitudinal section of the toe piece of the present invention for an arbitrary release.
FIGS. 6 through 8 show details of the ski binding of the present invention.
FIG. 9 shows a longitudinal sectional of a second embodiment of the ski binding of the present invention.


DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

In the following description, the expressions "front, rear, left, right" refer to the travel position, i.e., "front" means toward the ski tip.
A base plate 3 is mounted by screws 2 on a ski 1. The base plate 3 is equipped on both sides with upwardly positioned guide rails 3a that extend in the longitudinal direction of the ski. A tab-shaped attachment 3b extends from the base plate 3 and projects rearwardly in the ski axis zone.
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REFERENCES:
patent: 3966218 (1976-06-01), Beyl
patent: 4294461 (1981-10-01), Eckart
patent: 4484764 (1984-11-01), Kirsch
patent: 4531758 (1985-07-01), Svoboda et al.

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