Sheet feeding roller with variable radius, sheet feeding...

Details Sheet feeding roller with variable radius, sheet feeding... Sheet feeding roller with variable radius, sheet feeding...

2006-09-26

2006-09-26

Mackey, Patrick (Department: 3651)

Sheet feeding or delivering

Feeding

Separators

C271S117000, C271S120000

Reexamination Certificate

active

07111840

ABSTRACT:
The present invention relates to a sheet feeding roller for feeding a sheet by rotation in pressed contact with stacked sheets by an outer peripheral surface of the roller. A distance from a rotary center to the outer peripheral surface is changeable according to the state of feeding of the sheet.

REFERENCES:
patent: 3572691 (1971-03-01), Heinricy
patent: 3649003 (1972-03-01), Muller et al.
patent: 5449161 (1995-09-01), Gysling
patent: 5519475 (1996-05-01), Miyamoto et al.
patent: 5862435 (1999-01-01), Suzumi et al.
patent: 6085058 (2000-07-01), Goto et al.
patent: 6186490 (2001-02-01), Sugiura et al.
patent: 6477348 (2002-11-01), Miyamoto et al.
patent: 6626427 (2003-09-01), Choi et al.
patent: 6634636 (2003-10-01), Graef et al.

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