Document feeder and image scanning device provided with the...

Details Document feeder and image scanning device provided with the... Document feeder and image scanning device provided with the...

2009-03-12

2011-10-18

McCullough, Michael (Department: 3653)

Sheet feeding or delivering

Feeding

Separator and conveyor

C271S121000

Reexamination Certificate

active

08038141

ABSTRACT:
A document feeder includes a sheet tray loaded with sheets stacked thereon in a predetermined direction, a pickup unit pulling in sheets on the sheet tray and feed the sheets, a separation unit that separates a sheet from the sheets fed through the pickup unit and feeds the separated sheet, so as to convey the sheets sequentially on a sheet-by-sheet basis, and a guide unit that forms a carrying path extending from the sheet tray to the separation unit. The guide unit has an entrance portion provided at a side of the sheet tray relative to the separation unit, as an entrance of the sheets on the sheet tray into the carrying path. The carrying path has a longer length in the predetermined direction at a downstream side in a sheet carrying direction relative to the entrance portion than a length in the predetermined direction of the entrance portion.

REFERENCES:
patent: 5052676 (1991-10-01), Shiina et al.
patent: 6830244 (2004-12-01), Komatsu
patent: 2005/0062218 (2005-03-01), Murakami et al.
patent: 2007/0210512 (2007-09-01), Sakakibara et al.
patent: 60-009842 (1985-01-01), None
patent: 61-145739 (1986-09-01), None
patent: 4-292339 (1992-10-01), None
patent: 06-271100 (1994-08-01), None
patent: 7-206203 (1995-08-01), None
patent: 2001-097575 (2001-04-01), None
patent: 2001-106347 (2001-04-01), None
patent: 2005-075546 (2005-03-01), None
patent: 2007-0238252 (2007-09-01), None
JP Office Action dtd Jan. 5, 2010, JP Appln. 2008-078622, English translation.

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