Photocopy machines

Details Photocopy machines Photocopy machines

1980-05-19

1981-11-17

Wintercorn, Richard A.

Photocopying

Contact printing

Machine

G03B 2730

Patent

active

043008321

ABSTRACT:
A photocopy machine is provided comprising an exposure roller for exposing a sensitized copy sheet to an original document to be copied and an applicator roller for applying a developer to the exposed copy sheet to produce a visible image. A drive means is provided for selectively operating the rollers in a first or a second mode of operation. In the first mode of operation, the rollers are positively driven in one direction for making copies and in the second mode of operation the rollers are free wheeling in either direction to facilitate removal of a sheet jam and servicing of the machine.

REFERENCES:
patent: 2641980 (1953-06-01), Brunk
patent: 3702096 (1972-11-01), Copeland
patent: 3877805 (1975-04-01), Heldenbrand et al.

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