Sheet feeding or delivering – Delivering to stack and feeding therefrom – With sheet sensor for selective location
Patent
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
Canon Kabushiki Kaisha
Moses R. L.
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