Bistable electromagnetic latch

Details Bistable electromagnetic latch Bistable electromagnetic latch

1982-12-27

1985-06-11

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335272, H01F 708

Patent

active

045231672

ABSTRACT:
A bistable electromagnetic latch, particularly adapted for use with an electronic combination lock on a luggage case, comprises a magnetic member pivotally mounted for rotation between a pair of pole pieces, the magnetic member having first and second stable rotational positions at which each magnetic pole is adjacent to a different pole piece, and a pair of oppositely wound coils associated with the pole pieces and responsive to the momentary flow of electrical current therethrough for producing a magnetic flux that causes the magnetic member to rotate from one position to the other.

REFERENCES:
patent: 3001107 (1961-09-01), Rhodes
patent: 3304526 (1967-02-01), Adams
patent: 3543202 (1970-11-01), Naybor
patent: 3694782 (1972-09-01), Ray
patent: 4227164 (1980-10-01), Kitahara

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