Automatic document feeder

Details Automatic document feeder Automatic document feeder

2007-11-06

2009-11-03

Bollinger, David H (Department: 3653)

Sheet feeding or delivering

Feeding and delivering

Conveyor releases to subsequent conveyor

C271S003210, C271S004040

Reexamination Certificate

active

07611137

ABSTRACT:
An automatic document feeder includes a main body defining a passage for transporting a document. A feeding roller unit includes a feeding driving roller and a feeding idle roller coupling with the feeding driving roller. The feeding driving roller and the feeding idle roller are disposed at opposite sides of the passage. A drawing-out roller unit includes a drawing-out driving roller and a drawing-out idle roller coupling with the drawing-out driving roller. The drawing-out driving roller and the drawing-out idle roller are disposed at opposite sides of the passage. The drawing-out driving roller and the feeding driving roller are at the same side of the passage. And a belt is put around the feeding driving roller and the drawing-out driving roller to mate with the feeding idle roller and the drawing-out idle roller respectively for flatting and conveying the document into and out of the automatic document feeder.

REFERENCES:
patent: 3218060 (1965-11-01), Harbison
patent: 4787311 (1988-11-01), Mol
patent: 4991828 (1991-02-01), Mizoguchi
patent: 5676362 (1997-10-01), Ferraris
patent: 5794927 (1998-08-01), Uchida
patent: 6007063 (1999-12-01), Park
patent: 6027109 (2000-02-01), Wada et al.
patent: 6978991 (2005-12-01), Stevens et al.
patent: 2001/0024010 (2001-09-01), Andersson et al.

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