Land vehicles – Skates – Shoe attaching means
Patent
1990-03-28
1991-09-03
Kashnikow, Andres
Land vehicles
Skates
Shoe attaching means
A63C 900
Patent
active
050446550
DESCRIPTION:
BRIEF SUMMARY
FIELD OF THE INVENTION
The invention relates to a ski binding for a cross-country or touring ski comprising a bearing block for its fastening on the ski and comprising a holding cup to receive the front end area of a ski boot, which carries at its front end area a bar approximately U-shaped in the top view, the crossbar of which U-shaped bar is spaced from the tip of the ski boot and forms an opening with the tip, such that when the ski boot is inserted into the binding, its sole edge rests on top and bottom on the holding cup, which in the open position of the binding is spring-biased in the direction of a pivoting upwardly about a horizontal transverse axle lying in front of the boot and supported in walls of the bearing block and can be moved downwardly into a closing position by a pivoting caused by means of the ski boot, in which closing position at least one locking pin of the binding penetrates from below through the opening on the ski boot and a pawl pivotal about a further horizontal transverse axle is locked by means of a projection cooperating with a groove and in this manner fixes the holding cup and the locking pin relative to one another.
BACKGROUND OF THE INVENTION
Such a device has become known for example from Austrian Patent No. 386 127, which has proven to be successful in practice. The single little disadvantage observed up to now is that at times ice and hard snow exist in the very last portion of the closing path of the holding cup, so that only after removal of the obstacle or by applying considerable force will it be possible to move the U-shaped bar on the ski boot completely over the locking pin supported on the ski.
The purpose of the invention is thus to avoid the disclosed disadvantage and to guarantee the capability for the binding to function regardless of whether the holding cup can actually be pressed down entirely when a skier closes the binding with his or her ski boot.
To attain this purpose, the invention provides that through at least one further groove and/or a further projection lockable to the pawl, at least one further closing position of the binding is defined, in which the base of the holding cup, viewed in elevational direction, is spaced farther from the base plate of the bearing plate than in the first locking position of the pawl.
Also the European Patent Application 176 951 discloses a device having two locking positions for the pawl, however, it does not disclose a solution to the task which is the basis of the invention. The two locking positions of the known device correspond, namely, on the one hand, with the position during use and, on the other hand, with the open position of the binding. Whereas two closing positions, of which the first is reached even if ice prevents the total approach of locking pin and holding cup, has up to now not been suggested.
The structural design of the thought of the invention can obviously be accomplished with the same effect in such a manner that two grooves on the holding cup are associated with a projection on the pawl, which grooves cooperate alternatively with the projection, or that, in the reverse, alternately two projections on the pawl are locked in a groove on the holding cup.
The construction of the binding of the invention has the result that the cross-country skier can immediately go onto the skiing path even if the binding first only reaches a locking position whereat the locking pin is not yet quite fully moved in. After a few steps, the at first hindering ice is removed and the pawl arranged on the same pivot part as the locking pin locks in the position whereat the locking pin has penetrated as far as possible into the opening at the front of the boot.
BRIEF DESCRIPTION OF THE DRAWINGS
Further details of the invention will now be described in greater detail in connection with the drawings.
FIG. 1 is a longitudinal cross-sectional view taken along the line I--I of FIG. 2 of the ski binding of the invention in the stepping-in position;
FIG. 2 is a top view of the ski binding in the skiing position;
FI
REFERENCES:
patent: 3632123 (1972-01-01), Salomon
patent: 4093269 (1978-06-01), Hoffman
patent: 4533154 (1985-08-01), Bernard et al.
Camby Richard
Kashnikow Andres
TMC Corporation
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