Duplex sheet feeding device for an image forming apparatus

Details Duplex sheet feeding device for an image forming apparatus Duplex sheet feeding device for an image forming apparatus

1996-10-03

1998-04-07

Moses, R. L.

Electrophotography

Document handling

Copy

399364, 271 303, 271 907, G03G 2100

Patent

active

057376824

ABSTRACT:
A miniature duplex sheet feeding device for an image forming apparatus is disclosed. A duplex unit is positioned above an ordinary sheet feed tray loaded with a stack of sheets. The duplex unit has an intermediate tray for stacking sheets each carrying an image on one side thereof, and a bottom plate movable back and forth in an intended direction of sheet refeed. The sheet feed tray and duplex unit share a single sheet pay-out means. The bottom plate includes separators for retaining the leading edge of the sheet stack and allowing the stack to be bodily shifted to a preselected refeed position.

REFERENCES:
patent: 4272180 (1981-06-01), Satomi et al.
patent: 4905053 (1990-02-01), Matsuo et al.
patent: 5150168 (1992-09-01), Kamath et al.
patent: 5165675 (1992-11-01), Kanaya
patent: 5165677 (1992-11-01), Shinada
patent: 5594542 (1997-01-01), Sugimoto et al.

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