Control device of a shutter for a camera

Details Control device of a shutter for a camera Control device of a shutter for a camera

1976-11-24

1978-10-10

Griffin, Donald A.

G03B 958

Patent

active

041199863

ABSTRACT:
A control device of the shutter for a camera, which is equipped with shutter blades opening and closing an opening for the exposing operation. A control member actuated by the operation of shutter release and starting an opening member begins the exposing operation at the end of said operation, and an electromagnet connected to an electronic delaying circuit adjusts the time of finishing exposure. A magnetic control lever having a magnetic portion opposing said electromagnet and formed with synthetic resin, and a spring exerting a force for separating said magnetic portion of said magnetic control lever from said electromagnet, is constructed such that a flexible portion which presses said magnetic portion on the attracting face of said electromagnet against said spring is formed of synthetic resin on the engaging portion of at least one of said magnetic control lever and said control member.

REFERENCES:
patent: 3526455 (1970-09-01), Barnette
patent: 3595152 (1971-06-01), Douglas
patent: 3820131 (1974-06-01), Tanaka

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