Sheet feeding or delivering – Feeding – With means to align sheet
Patent
1998-03-16
1999-07-13
Burr, Edgar
Sheet feeding or delivering
Feeding
With means to align sheet
271245, 271274, 400631, B65H 904
Patent
active
059215453
ABSTRACT:
An apparatus for automatically feeding sheets to an image forming device such as a copying machine is provided with a sheet register means formed of one or more outside rollers movable into and out of contact with one or more feed rollers in rotation and one or more inside rollers located side by side with the feed rollers, so that the outside rollers rotate when being in touch with the feed rollers to forward the sheet. The outside and inside rollers are rockingly moved by shifting means, so that, when the sheet is given from a sheet supply unit, the outside rollers is separated from the feed rollers to rest the outside and inside rollers so as to bring the sheet into collision with the resting outside and inside rollers to slightly bend the leading portion of the sheet, consequently fulfilling a registering function of correcting the orientation of the sheet with relation to a feeding direction. Thereafter, the sheet is forwarded through the register means by bringing the outside rollers in contact with the rotating feed rollers. The sheet feeding operation is performed can be carried out with high efficiency, since the sheet registering function can be performed without stopping rotation of the feed rollers.
REFERENCES:
patent: 5253861 (1993-10-01), Schmaling
patent: 5566933 (1996-10-01), Salancy
patent: 5673911 (1997-10-01), Loftus et al.
patent: 5772202 (1998-06-01), Singer et al.
Kobayashi Misao
Ohno Norihiro
Burr Edgar
Chau Minh H.
Nisca Corporation
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