Double exposure prevention mechanism

Details Double exposure prevention mechanism Double exposure prevention mechanism

1977-03-22

1978-08-29

Wintercorn, Richard A.

354 83, 354268, G03B 1902

Patent

active

041107713

ABSTRACT:
A camera having a self-cocking shutter with a shutter actuating member for initiating exposures and a film unit advancing member for advancing film units into the nip of a processing roller assembly, includes a shutter actuating member latch that is coupled to the film unit advancing member. The shutter actuating member latch serves as a double exposure prevention latch when the film unit advancing member has not advanced a previously exposed film unit.

REFERENCES:
patent: 636036 (1899-10-01), Goodell et al.
patent: 2629302 (1953-02-01), Mihalyi
patent: 2722872 (1955-11-01), Schrader
patent: 3512466 (1970-05-01), Fauth et al.
patent: 4040072 (1977-08-01), Johnson et al.
patent: 4047192 (1977-09-01), Johnson et al.

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