Sheet feeding device with concave suction belt

Details Sheet feeding device with concave suction belt Sheet feeding device with concave suction belt

2008-06-13

2009-10-13

Mackey, Patrick H (Department: 3653)

Sheet feeding or delivering

Feeding

Separators

C271S094000, C271S098000, C271S197000

Reexamination Certificate

active

07600748

ABSTRACT:
According to an aspect of the present invention, there is provided a sheet feeding device including: a tray holding sheets; a chamber having an opening and generating a negative pressure thereinside; a suction belt that suctions and conveys a first sheet from the sheets and that is configured to be rotatable along with the chamber and deformable into a concave shape along with the opening; a regulating member disposed inside the opening to regulate a concaving amount of the suction belt; a sheet gate disposed in a sheet feeding passage to be opposed to the suction belt and configured to retreat when contacted by the suction belt; and a nozzle that blows air toward the sheet and toward the suction belt.

REFERENCES:
patent: 2806614 (1957-09-01), Butz
patent: 4618138 (1986-10-01), Silverberg
patent: 4635921 (1987-01-01), Thomas
patent: 2007/0200283 (2007-08-01), Kott et al.
patent: 2541526 (1996-07-01), None
patent: 2005-1855 (2005-01-01), None

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