Electromagnetic device for a camera

Details Electromagnetic device for a camera Electromagnetic device for a camera

1994-02-25

1996-04-16

Mathews, A. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Retarded or delayed type

354152, 3542711, 335271, 335277, G03B 908, G03B 902, H01F 708

Patent

active

055087728

ABSTRACT:
An armature lever is attached by an elastic adhesive to a catch located on an end of an armature shaft of an electromagnetic device of a camera, which is used to drive, for example, a shutter, stop, and/or mirror(s) of the camera. The armature lever and the catch can be attached by the elastic adhesive so that they abut each other or so that a gap exists between them. When the gap is provided, the gap can be filled with the elastic adhesive to further absorb any shock occurring when the armature lever and catch contact each other. A reset member, such as, for example, a spring that biases the armature toward the yoke also can be attached by the elastic adhesive to the armature shaft.

REFERENCES:
patent: 3664251 (1972-05-01), Vincent
patent: 4205287 (1980-05-01), Shimizu et al.
patent: 4862127 (1989-08-01), Lundstrom

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