Sheet feeding or delivering – Feeding – Separators
Reexamination Certificate
2008-04-29
2008-04-29
Joerger, Kaitlin S (Department: 3653)
Sheet feeding or delivering
Feeding
Separators
C271S126000
Reexamination Certificate
active
07364152
ABSTRACT:
In the course of sheet feeding by a sheet feeding roller, a depressing arm is depressed by a sheet feeding cam provided coaxially with the sheet feeding roller, whereby a depressing pawl is moved in a direction to be engaged with the stacking plate pawl of an stacking plate and further, with the depressing pawl engaged with the stacking plate pawl, the depressing arm is lowered by a constant amount to thereby depress the stacking plate, whereby irrespective of the amount of stacked sheets, the timing at which the sheets and the sheet feeding roller are spaced apart from each other is always the same and the amount by which the stacking plate is depressed also becomes constant.
REFERENCES:
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patent: 6089562 (2000-07-01), Jang et al.
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patent: 6991392 (2006-01-01), Hult et al.
patent: 2-152824 (1990-06-01), None
patent: 4-350033 (1992-12-01), None
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Joerger Kaitlin S
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