Electromagnetic device

Details Electromagnetic device Electromagnetic device

1985-07-22

1987-04-14

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335228, 335249, 335276, 335279, H01F 708

Patent

active

046582320

ABSTRACT:
An electromagnetic device for use in, for example, the diaphragm control of a camera. The electromagnetic device includes an electromagnet, an armature, an armature shaft and a restricting member for inclining the armature with respect to the armature shaft, whereby even if the armature shaft is not parallel with the attraction face of the electromagnet, holding the armature attraction by the electromagnet is certain.

REFERENCES:
patent: 3396354 (1968-08-01), Fisher
patent: 4205287 (1980-05-01), Shimizu et al.

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