Magazine camera

Optics: motion pictures – Removable film strip magazine type

Patent

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Details

352194, 226 55, G03B 2302

Patent

active

039972518

ABSTRACT:
The disclosed structure facilitates threading the film by eliminating both the intermittent movement and the film metering sprocket from the film chamber. Noise is reduced by driving the intermittent movement with a single cam, and faster faster pulldown is obtaind by combining the single cam movement with a re-entrant claw, which also facilitates positioning the movement in a separate sealed compartment. Drive mechanism for a film sprocket in the throat of the magazine includes improved positive clutch structure. Registration pins are driven by an improved linkage which facilitates film threading.

REFERENCES:
patent: 1512477 (1924-10-01), Nelson
patent: 1994586 (1935-03-01), Mihalyi
patent: 3281199 (1966-10-01), Kingston
patent: 3428395 (1969-02-01), Mitchell
patent: 3587960 (1971-06-01), Gerb

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