Paper device and method for photographic printer

Details Paper device and method for photographic printer Paper device and method for photographic printer

1992-05-26

1993-01-19

Hayes, Monroe H.

Photocopying

Projection printing and copying cameras

With film severing

355 27, 355 28, 355 72, G03B 2900

Patent

active

051810662

ABSTRACT:
A paper transporting device for a photographic printer. A pulse motor starts rotating during a magazine setting operation. The rotation of the pulse motor is transmitted to a pair of feed rollers through a pin-clutch mechanism and a paper feed gear train. Immediately before a paper magazine is completely attached to the photographic printer, the feed rollers nip the leading end of photographic paper and pull the photographic paper out of the paper magazine. When changing the paper magazine, a solenoid is turned on to change over the pin-clutch mechanism from the paper feed gear train to a paper rewind gear train. Thereafter, the pulse motor is rotated in reverse, so as to rotate a winding shaft of the paper magazine through the pin-clutch mechanism and the paper rewind gear train. An unexposed portion of the photographic paper remaining in the photographic printer is thus wound back into the paper magazine.

REFERENCES:
patent: 4819024 (1989-04-01), Kagayama et al.
patent: 5126785 (1992-06-01), Erich et al.

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