Device and method for feeding paper

Details Device and method for feeding paper Device and method for feeding paper

2008-04-15

2008-04-15

Bollinger, David H (Department: 3653)

Sheet feeding or delivering

Feeding

Separator and conveyor

C271S114000, C271S117000, C271S121000, C271S241000

Reexamination Certificate

active

10536989

ABSTRACT:
A paper feed apparatus of the present invention includes a pick mechanism for successively taking out, by use of a pick roller1, a plurality of sheets of paper stacked on a chute from the bottom side thereof, leading ends of the sheets being aligned by means of a stopper block2in a state in which the sheets are stacked on the chute. Moreover, the apparatus includes a roller guide11and an abutment guide12. When the roller guide11is raised to a paper setting position in a direction away from the pick roller1, the roller guide11raises the leading ends of the sheets stacked on the chute to thereby prevent contact between the sheets and the pick roller1. The abutment guide12aligns the leading ends of the sheets when the roller guide11is raised. When a pick operation is started, prior to retraction of the roller guide11, sheet pressing operation of a pick arm4and retraction of the abutment guide12are performed, and then the sheets are taken out through a clearance formed between the distal end of the stopper block2and the pick roller1.

REFERENCES:
patent: 61-081330 (1986-04-01), None
patent: 3-12824 (1991-02-01), None
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patent: 08-002700 (1996-01-01), None
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patent: 10-035897 (1998-02-01), None
patent: 11-334919 (1999-12-01), None
patent: 2000-143001 (2000-05-01), None
Kitahara Mokoto, “Sheet Feeding Device”, Publication No. 60040337, Publication Date: Mar. 2, 1985, vol. 9, No. 168.
Sakuragi Kenkichi, “Sheet Feeder”, Publication No. 60026534, Publication Date: Feb. 9, 1985, vol. 9, No. 149.
Supplementary European Search Report, dated May 10, 2006.

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