Method and apparatus for releasing a ski boot from a ski

Details Method and apparatus for releasing a ski boot from a ski Method and apparatus for releasing a ski boot from a ski

1974-07-31

1976-04-13

Song, Robert R.

Land vehicles

Skates

Shoe attaching means

280 1135R, A63C 9081

Patent

active

039500039

ABSTRACT:
In a method of automatically releasing a ski boot from a ski in case of danger, the force acting on the leg of the skier and the duration of application of said force are ascertained individually and represented as distances, the sum of said distances is compared with a predetermined distance representing a threshold value and, when such threshold value is reached, a connection between the boot and the ski is released. Apparatus for performing this method comprises at least one boot retaining member, a locking device for said retaining member, a threshold value switch acting on said locking device, a duration evaluating member, and a force receiver, the duration evaluating member being provided with a drive motor, such as a plate spring, which is operative when a predetermined minimum force is exerted on the force receiver.

REFERENCES:
patent: 3731945 (1973-05-01), Johnson
patent: 3752491 (1973-08-01), Fend
patent: 3754770 (1973-08-01), Suhner
patent: 3762735 (1973-10-01), Smolka
patent: 3772802 (1973-11-01), Smolka et al.
patent: 3785664 (1974-01-01), Sittmann
patent: 3892980 (1975-07-01), Anderson
patent: 3907316 (1975-09-01), Marker

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