Film feeding device of a camera

Details Film feeding device of a camera Film feeding device of a camera

1980-10-09

1982-08-03

Griffin, Donald A.

354214, G03B 112

Patent

active

043425097

ABSTRACT:
In a film feeding device of a camera including a preparatory wind-up device for winding up on a supply spool, before exposure, a roll film in a film magazine loaded into the camera, and a second wind-up device for rewinding into the magazine the unexposed film wound on the supply spool, there is provided means for detecting the completion of the wind-up, by the preparatory wind-up device, of all of the film which is drawn out of the film magazine and can be wound up on the supply spool, and change-over means for blocking and releasing the operation of the second wind-up device.

REFERENCES:
patent: 651118 (1900-06-01), Pascal et al.
patent: 3126803 (1964-03-01), Hintze
patent: 3762291 (1973-10-01), Kimura et al.
patent: 3882516 (1975-05-01), Ogiso et al.
patent: 3925798 (1975-12-01), Sanada et al.
patent: 3995292 (1976-11-01), Kondo
patent: 4162837 (1979-07-01), Haragushi
patent: 4229091 (1980-10-01), Date et al.

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