Driving device for film transport and shutter cocking lever for

Details Driving device for film transport and shutter cocking lever for Driving device for film transport and shutter cocking lever for

1976-02-24

1977-01-25

Gonzales, John

G03B 1742

Patent

active

040054616

ABSTRACT:
A drive device for film transport and shutter cocking lever for a camera se film has a hole associated with each picture frame position and having a film transport wheel coupled to a spool core wherein a first gear wheel is concentrically connected with a film transport wheel and a second gear wheel is seated and freely revolvable, wherein a carrier conveys a coupling gear wheel which in a first position of the carrier is simultaneously in engagement with the first and second gear wheels and out of engagement in a second position and wherein the engagement occurs in a manner depending upon the position of the shutter cocking lever, or in a manner depending upon the positon of a spring-loaded pawl. The pawl is pivoted by engagement against a moving surface driven by the second gear wheel and having notch recesses therein. The pawl, in a swung-out position, holds the carrier so that the first and second gear wheels are engaged with the coupling gear wheel, and in a swung-inwardly position, releases the carrier, setting it free for disengagement of the coupling gear wheel.

REFERENCES:
patent: 3380363 (1968-04-01), Sommermeyer

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