Sheet feeding or delivering – Feeding and delivering – Separator and conveyor
Patent
1997-02-28
1999-08-10
Skaggs, H. Grant
Sheet feeding or delivering
Feeding and delivering
Separator and conveyor
271 41, 271110, 27125803, 27125804, 271270, 27126501, B65H 522
Patent
active
059346612
ABSTRACT:
A friction paper-feed apparatus and method used in an information processing apparatus such as a facsimile apparatus prevents a paper-feed failure caused by a slippage produced at a contact region between a friction paper-feed roller and a sheet of paper. The friction paper-feed roller is driven with at least one of a drive operation having a relatively long time length, another drive operation having a relatively short time length, or both of the relatively long time length and the relatively short time length. The friction paper-feed roller is controlled to execute a stop operation after each of the drive operations. The stop operation is also executed after repeating a driver operation for a number times so as to terminate an execution of paper transferring operation and to prevent a paper-feed failure.
REFERENCES:
patent: 5391009 (1995-02-01), Stodder
patent: 5423526 (1995-06-01), Hasegawa
patent: 5464204 (1995-11-01), Suzuki
patent: 5465949 (1995-11-01), Yamada et al.
patent: 5563686 (1996-10-01), Beaufort et al.
patent: 5676363 (1997-10-01), Kishida et al.
Ricoh Co. Ltd.
Skaggs H. Grant
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