Sheet feeding or delivering – Feeding – By means to convey sheet
Patent
1997-03-10
1999-12-28
Walsh, Donald P.
Sheet feeding or delivering
Feeding
By means to convey sheet
271 309, 271 404, 271 315, 271 317, B65H 502, B65H 522
Patent
active
060070633
ABSTRACT:
A paper output unit for an ink-jet printer includes: a feed roller for feeding individual sheet of print media into the printer in which the feed roller first rotates in a reverse direction to align a top edge of each individual sheet of print media along a surface before each feeding of the individual sheet of print media into the printer, and then rotates in a forward paper transport direction to feed the individual sheet of print media into the printer for printing; a delivery roller for ejecting the individual sheet of print media led from the feed roller and transported along the paper transport direction in a paper path between the feed roller and the delivery roller upon completion of printing of the individual sheet of print media; a transmission roller for controlling rotation of the feed roller and the delivery roller; a friction star wheel for applying a pushing force to the individual sheet of print media as the individual sheet of print media is being conveyed to the delivery roller so as to prevent the individual sheet of print media from slipping off the delivery roller; and a delivery roller shifting unit for shifting the delivery roller away from the friction star wheel each time the feed roller rotates in the reverse direction.
REFERENCES:
patent: 5152 (1847-10-01), Rasmussen et al.
patent: 5121139 (1992-06-01), Burke
patent: 5216442 (1993-06-01), Parks et al.
patent: 5291227 (1994-03-01), Suzuki
patent: 5595380 (1997-01-01), McCue Jr. et al.
Bushnell Esq. Robert E.
Samsung Electronics Co,. Ltd.
Schlak Daniel K.
Walsh Donald P.
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