Paper-feeding apparatus having a part to vary a...

Details Paper-feeding apparatus having a part to vary a... Paper-feeding apparatus having a part to vary a...

2005-11-29

2005-11-29

Walsh, Donald P. (Department: 3653)

Sheet feeding or delivering

Feeding

Pack holders

C271S145000

Reexamination Certificate

active

06969063

ABSTRACT:
A paper feeding apparatus in an image forming apparatus including a paper-entering angle varying portion disposed in a frame to vary the angle of a leading end of a sheet entering a paper separating member according to the thickness or stiffness of the paper being fed. The paper-entering angle varying portion includes a paper leading end bending guide formed on the bottom surface of the frame in which paper is stacked. The paper feeding apparatus can prevent a paper feed problem, for example, multi sheet feed or a sheet feed failure by varying the paper-entering angle using the paper leading end bending guide when the paper is picked up according to the stiffness of the paper being fed.

REFERENCES:
patent: 3640524 (1972-02-01), Fredrickson
patent: 6523820 (2003-02-01), Gustafson et al.
patent: 55-105260 (1980-08-01), None
patent: 58-202228 (1983-11-01), None
patent: 02-193834 (1990-07-01), None
patent: 09-040200 (1997-02-01), None
patent: 2002-128283 (2002-05-01), None
patent: 2002-187629 (2002-07-01), None
Office Action issued on Feb. 15, 2005, from the Japanese Patent Office with respect to Japanese Patent Application No. 2003-169228, filed on Jun. 13, 2003.
Office Action issued on Jan. 7, 2005, from the Chinese Patent Office with respect to Chinese Patent Application No. 03147524.8, filed on Jul. 9, 2003.

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