Sheet post-processing device and image forming apparatus

Details Sheet post-processing device and image forming apparatus Sheet post-processing device and image forming apparatus

2006-02-14

2006-02-14

Mackey, Patrick (Department: 3651)

Sheet-material associating

Associating or disassociating

Sheet associating

C270S058080, C399S410000

Reexamination Certificate

active

06997451

ABSTRACT:
A sheet post-processing device includes a placement unit for placing a sheet discharged from an image forming apparatus; a discharging unit for successively discharging the sheet on the placement unit; and an offset unit for shifting an edge of a stitching sheet from an edge of a non-stitching sheet on the placement unit by a predetermined distance depending on whether the sheet discharged on the placement unit is subjected to a stitching process. A stitching unit stitches only the edge portions of the stitching sheets in a stack in a state that the edges of the stitching sheets are shifted from the edge of the non-stitching sheet by the offset unit.

REFERENCES:
patent: 5114130 (1992-05-01), Hamanaka et al.
patent: 5639080 (1997-06-01), Evans
patent: 5839048 (1998-11-01), Kato
patent: 6241234 (2001-06-01), Saitoh et al.
patent: 6382614 (2002-05-01), Fukatsu et al.
patent: 6457705 (2002-10-01), Nanba et al.
patent: 10-218451 (1998-08-01), None

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