Sheet conveying apparatus and image forming apparatus

Details Sheet conveying apparatus and image forming apparatus Sheet conveying apparatus and image forming apparatus

2011-05-17

2011-05-17

Karmis, Stefanos (Department: 3653)

Sheet feeding or delivering

Feeding

With means to align sheet

C271S227000

Reexamination Certificate

active

07942409

ABSTRACT:
A sheet conveying apparatus includes a first conveyance unit to convey a sheet, a second conveyance unit to convey the sheet received from the first conveyance unit, a sheet detection unit to detect an edge position of the sheet in a lateral direction intersecting a sheet conveyance direction of the second conveyance unit, a sheet shifting unit to shift the sheet conveyed by the second conveyance unit in the lateral direction, a computing unit to compute a difference between the detected edge position of the sheet and a reference position, a position correction unit to control a shifting amount of the sheet by the sheet shifting unit based on the difference computed by the position correction unit to correct a sheet position in the lateral direction, and a conveyance interval control unit to shorten a sheet conveyance interval of the first conveyance unit if the computed difference is equal to or less than a predetermined amount.

REFERENCES:
patent: 6779791 (2004-08-01), Kawamura et al.
patent: 7401776 (2008-07-01), Obuchi et al.
patent: 7798490 (2010-09-01), Tamura et al.
patent: 2008/0240820 (2008-10-01), deJong et al.
patent: 2007-001761 (2007-01-01), None
patent: 2007-069993 (2007-03-01), None

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