Paper stacking apparatus for image forming apparatus

Details Paper stacking apparatus for image forming apparatus Paper stacking apparatus for image forming apparatus

1987-10-15

1989-07-18

Grimley, Arthur T.

Photocopying

Contact printing

Light boxes

271 31, 355319, 355322, F03G 1500

Patent

active

048497860

ABSTRACT:
In an image forming apparatus provided with both-side copying and overcopying functions, a copied paper is fed into a paper stacking unit before being fed again. In the conventional paper stacking unit, since the unit is disposed horizontally, there exists a problem in that paper is not well aligned, thus resulting in paper jamming, double paper feeding, etc. To overcome this problem, the paper stacking unit is disposed with an inclination angle paper feed-out side up. For further improving paper feed reliability, the stacking unit includes a paper lifting device, a paper side alignment device, and a paper curl correcting device.

REFERENCES:
patent: 2368098 (1945-01-01), Bellache
patent: 4326915 (1982-04-01), Mutschler, Jr.
patent: 4379549 (1983-04-01), Mizuma
patent: 4591259 (1986-05-01), Kuo et al.
patent: 4607948 (1986-08-01), Naito
patent: 4745439 (1988-05-01), Hanada et al.
Abstract of Japanese Laid Open Application 61-151555, 7-1986.

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