Electrically releasable locking device

Details Electrically releasable locking device Electrically releasable locking device

1984-12-18

1986-10-14

Albritton, Clarence L.

Electric heating

Heating devices

148402, 219201, H05B 358, F16B 202, B23P 1102

Patent

active

046174486

ABSTRACT:
A locking device for holding a movable member of an apparatus rigidly in place during shipment. A locking element is made from a material exhibiting a "shape memory", and is deformed at a temperature below its transition temperature and installed in the apparatus so as to lock the movable member firmly in place. When it is desired to be able to operate the apparatus in a normal mode, the locking element is heated electrically to a temperature above the transition temperature, so that it resumes the original shape and releases the movable member.

REFERENCES:
patent: 1302502 (1919-05-01), Boswell
patent: 3378672 (1968-04-01), Blumenkranz
patent: 3883885 (1975-05-01), Orlando
patent: 3961853 (1976-06-01), Grimpe
patent: 4244140 (1981-01-01), Kim
patent: 4412872 (1983-11-01), Albrecht
patent: 4450616 (1984-05-01), Morita

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