Safety ski binding

Details Safety ski binding Safety ski binding

1983-03-28

1985-05-14

Peters, Jr., Joseph F.

Land vehicles

Skates

Shoe attaching means

A63C 908

Patent

active

045167915

ABSTRACT:
A safety ski binding includes a holding jaw and a jaw which can be released electrically under control of a control circuit. The holding jaw includes two movable sole holders having thereon pistons movable in respective, fluid-filled chambers. The holding jaw also includes a movable stepping plate, and the stepping plate and one sole holder can each flex respective membranes of a further fluid-filled chamber. Each of the three chambers communicates with a respective piezoelectric element which is connected to the control circuit. Forces applied to the holding jaw by a ski boot can increase the pressure in the various chambers and the piezoelectric elements each produce a signal proportional to such pressure, the control circuit electrically releasing the other jaw if the forces exceed predetermined values.

REFERENCES:
patent: 3919563 (1975-11-01), Lautier et al.
patent: 4311321 (1982-01-01), Svoboda
patent: 4385773 (1983-05-01), Scheck et al.
patent: 4444411 (1984-04-01), Svoboda et al.
patent: 4463968 (1984-08-01), Hull

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