Fail-safe film prewinder for cameras

Details Fail-safe film prewinder for cameras Fail-safe film prewinder for cameras

1986-06-20

1988-01-05

Perkey, W. B.

354214, G03B 100

Patent

active

047179317

ABSTRACT:
A fail-safe film prewinder for a camera. The prewinder has a mode switch which can be changed over by switching to a photographing mode upon completion of a prewinding mode in which a film is continuously pulled or prewound from a film cartridge loaded in the camera. When the mode switch is in the prewinding mode position while a shutter release button is being operated, a film transport motor is rotated in the direction to prewind the film again after an interruption of the prewinding mode.

REFERENCES:
patent: 4400074 (1983-08-01), Akiyama et al.
patent: 4460256 (1984-07-01), Araki et al.
patent: 4494842 (1985-01-01), Kimura et al.

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