Document reading apparatus

Details Document reading apparatus Document reading apparatus

1998-04-21

1999-12-07

Beatty, Robert

Electrophotography

Document handling

Original

358496, G03G 1500

Patent

active

059997923

ABSTRACT:
A document reading apparatus includes: a feed section for supplying a document sheet; a sheet discharging section located downstream of the feed section in a direction of transporting the document sheet; a reading section located on the sheet discharging section or between the feed section and the sheet discharging section; and a sheet detecting section located upstream of the reading section. The document sheet is transported by a feed roller disposed in the feed section until the document sheet is nipped by a transport roller disposed in the sheet discharging section. The feed section being further provided with a sheet separating mechanism and a feed pinch roller and spring. The feed pinch roller being in contact with the feed roller via a document sheet and rotating in accordance with a rotation of the feed roller, and the spring pressing and urging the feed pinch roller so that a pressure of the feed pinch roller to the feed roller is greater than the force applied by the sheet separating mechanism. The sheet discharge section also includes a transport roller, pinch roller, and spring.

REFERENCES:
patent: 4953037 (1990-08-01), Ito et al.
patent: 4970606 (1990-11-01), Shima
patent: 4975787 (1990-12-01), Ijuin et al.
patent: 5157520 (1992-10-01), Tanaka et al.
patent: 5224191 (1993-06-01), Kanekura
patent: 5267058 (1993-11-01), Sata
patent: 5661571 (1997-08-01), Ijuin et al.

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