Image forming apparatus

Details Image forming apparatus Image forming apparatus

1990-04-18

1992-02-25

Moses, R. L.

Sheet feeding or delivering

Delivering to stack and feeding therefrom

With sheet sensor for selective location

271149, 271272, 355322, G03G 1500

Patent

active

050906747

ABSTRACT:
The present invention relates to an image forming apparatus comprising image forming means for forming an image on a sheet, sheet stacking means for successively stacking sheets on which the image is formed by the image forming means, with shifting by a predetermined amount in a sheet feeding direction one from the other, feeding means for feeding the sheet one by one from a sheet stack obtained by stacking the sheets with shifting by the predetermined amount one from the other, conveying means for conveying the sheet stack formed by the sheet stacking means in normal and reverse directions between the sheet stacking means and the feeding means, and control means for controlling the conveying means in such a manner that the conveying means returns said sheet stack from the feeding means to the sheet stacking means to stack the sheets on which the image is formed by the image forming means after they have been fed by the feeding means, for obtaining a new sheet stack.

REFERENCES:
patent: 4172655 (1979-10-01), Wood
patent: 4220324 (1980-09-01), Weller
patent: 4777498 (1988-10-01), Kasamura et al.
patent: 4805890 (1989-02-01), Martin

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