Electromagnetically driven shutter

Details Electromagnetically driven shutter Electromagnetically driven shutter

1981-10-05

1983-02-15

Hix, L. T.

354246, G03B 908, G03B 940

Patent

active

043737978

ABSTRACT:
An electromagnetically driven shutter, wherein between the electromagnetic driving source and the shutter blade actuating member which receives the driving force from the driving source a play is provided in such a manner that after the electromagnetic driving source has run a certain determined distance the driving force is transmitted to the shutter blade actuating member so as to let the shutter blade start to run.

REFERENCES:
patent: 4225221 (1980-09-01), Saito et al.
patent: 4231650 (1980-11-01), Saito et al.
patent: 4306797 (1981-12-01), Sugiura et al.

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