Sheet feeding or delivering – Feeding – With means to align sheet
Reexamination Certificate
2007-08-14
2010-10-12
Mackey, Patrick (Department: 3653)
Sheet feeding or delivering
Feeding
With means to align sheet
C271S227000, C271S010030, C271S004030
Reexamination Certificate
active
07810808
ABSTRACT:
A register roller conveys a recording sheet to a transfer position. A sheet feed roller conveys the recording sheet toward the register roller. A conveyance control unit controls rotation-start timings of the register roller and the sheet feed roller in such a manner that a rotation-start timing of the sheet feed roller is prior to a rotation-start timing of the register roller at a time of starting a registering process to convey the recording sheet to the transfer position at a right timing with the image formed on the image carrier.
REFERENCES:
patent: 5927703 (1999-07-01), Endo
patent: 5967506 (1999-10-01), Miki et al.
patent: 2006/0214365 (2006-09-01), Yasui et al.
patent: 2007/0158895 (2007-07-01), Hamahashi et al.
patent: 6-56302 (1994-03-01), None
patent: 6-80273 (1994-03-01), None
U.S. Appl. No. 11/713,506, filed Mar. 2, 2007.
Cooper & Dunham LLP
Mackey Patrick
Ricoh & Company, Ltd.
Suarez Ernesto
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