Bistable actuating mechanism for optical apparatus

Details Bistable actuating mechanism for optical apparatus Bistable actuating mechanism for optical apparatus

1981-06-08

1982-07-06

Gonzales, John

354234, G03B 1912

Patent

active

043380093

ABSTRACT:
In optical apparatus such as a photographic camera having a pivotally mounted element moveable between a first position and a second position, an actuating mechanism includes a bistable toggle device which urges the element toward the first position when the element is nearer the first position, and toward the second position when nearer that position, and an electromagnetic motor, connected to the element, that moves the element in response to an applied pulse of electrical energy toward the second position when the element is in the first position and toward the first position when the element is in the second position.

REFERENCES:
patent: 3852791 (1974-12-01), Eukuda
patent: 3987473 (1976-10-01), Kondo
patent: 4024552 (1977-05-01), Kondo
patent: 4033693 (1977-07-01), Payrhammer et al.
patent: 4060313 (1977-11-01), Kondo
patent: 4086581 (1978-04-01), Ito et al.
patent: 4088405 (1978-05-01), Pustka et al.

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