Sheet feeding device

Details Sheet feeding device Sheet feeding device

2007-02-01

2009-10-13

Bollinger, David H (Department: 3653)

Sheet feeding or delivering

Feeding

With means to interrupt feeding

C271S258040, C271S152000, C271S155000

Reexamination Certificate

active

07600752

ABSTRACT:
A sheet feeding device includes a stacking plate, a moving mechanism, a pick-up device, a detection plate, a detecting device, and a control section. The stacking plate is movably supported inside the sheet feeding device. The mechanism moves the stacking plate up and down. The pick-up device sends a top one of sheets stacked on the stacking plate, out in a direction from a sheet feeding position within a predetermined level range. The detection plate is mounted above the position and below a top inner surface of the sheet feeding device, with a lower surface thereof facing an object to be placed on the stacking plate. The detection plate is movably supported at a support portion provided at a predetermined location in an upper surface thereof. The detecting device detects upward and downward displacement of the detection plate. According to the detection result, the section controls operation of the mechanism.

REFERENCES:
patent: 5143510 (1992-09-01), Takamura et al.
patent: 6168151 (2001-01-01), Tsuchida
patent: 6293539 (2001-09-01), Fukatsu et al.
patent: 2004/0135307 (2004-07-01), Dobbertin et al.
patent: H02-80635 (1990-06-01), None
patent: H09-86681 (1997-03-01), None

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