Image forming apparatus

Details Image forming apparatus Image forming apparatus

2007-01-17

2009-06-02

Joerger, Kaitlin S (Department: 3653)

Sheet feeding or delivering

Feeding

Pack holders

C271S152000

Reexamination Certificate

active

07540492

ABSTRACT:
A detecting device for detecting the presence or absence of a sheet contained in a sheet containing portion includes a rotatable arm portion brought into contact with the sheet contained in the sheet containing portion, a stopper portion rotatable in association with the arm portion for determining the position of the arm portion when there is no sheet in the sheet containing portion and whose rotation is regulated when there is no sheet in the sheet containing portion. And when the sheet in a conveying path is to be pulled out, the arm portion is retreated from a position determined by the stopper portion due to the pressure of the sheet being pulled out.

REFERENCES:
patent: 6105954 (2000-08-01), Magee et al.
patent: 6918583 (2005-07-01), Asada et al.
patent: 2004/0041329 (2004-03-01), Hiraoka
patent: 2005/0184448 (2005-08-01), Aoyagi et al.
patent: 2271763 (1994-04-01), None
patent: 04327442 (1992-11-01), None
patent: 06144642 (1994-05-01), None
patent: 2002-012336 (2002-01-01), None
patent: 2002-362811 (2002-12-01), None

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