Document feeding apparatus

Details Document feeding apparatus Document feeding apparatus

1993-10-21

1994-12-06

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355308, 355318, 355321, 355 23, 271 3, 271 7, G03G 1500

Patent

active

053715802

ABSTRACT:
A plurality of double-faced originals in a series of pages are stacked on a tray with a first page faced upward. An original transport mechanism is arranged to transport a first sheet of original fed by a feed roller to an exposure position through an intermediate waiting position on a platen glass for image exposure of a first page. Then, the original transport mechanism forwards the first sheet of original to a reverse/discharge roller provided downstream side of a transport belt to invert the surface and reverse side of the original. Thereafter, the original is returned to the intermediate waiting position by the transport belt.
Further, the original transport mechanism forwards a second sheet of original preliminarily fed to a position just before the transport belt to the exposure position by the transport belt side by side with the first sheet of original for an image exposure process without having a gap between second page of first original and third page of the second original to simultaneously expose images on one copy sheet. Thereafter, the original transport mechanism repeats the same procedures for a preceding original and a succeeding original to be fed preliminarily.

REFERENCES:
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patent: 5077577 (1991-12-01), Hamakawa
patent: 5124758 (1992-06-01), Hamakawa
patent: 5196896 (1993-03-01), Hamakawa
patent: 5260758 (1993-11-01), Stemmle

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