Image forming apparatus integrating sheet postprocessing...

Details Image forming apparatus integrating sheet postprocessing... Image forming apparatus integrating sheet postprocessing...

2006-09-26

2006-09-26

Mackey, Patrick (Department: 3651)

Sheet-material associating

Associating and folding

Sheet associating

C270S032000, C270S037000, C493S444000, C493S445000

Reexamination Certificate

active

07111837

ABSTRACT:
This invention relates to a sheet postprocessing apparatus which includes a first crease forming unit for forming a first crease on a sheet in its width direction, a second crease forming unit for forming a second crease parallel to the first crease, a first abutting member against which the leading end of a sheet introduced into the first crease forming unit abuts to position the sheet, a second abutting member against which the first crease abuts to position the sheet, a first driving mechanism for driving the first abutting member, a second driving mechanism for driving the second abutting member, and a control device for controlling the first crease forming unit, first driving mechanism, second crease forming unit, and second driving mechanism, and makes one folding process selected from a center folding process, inward three-fold process, and Z-fold process executable in the same sheet convey path.

REFERENCES:
patent: 240390 (1881-04-01), Cross et al.
patent: 5769404 (1998-06-01), Kanou et al.
patent: 6027107 (2000-02-01), Natsume et al.
patent: 6241232 (2001-06-01), Schmitt et al.
patent: 6746390 (2004-06-01), Tamura et al.
patent: 2002060127 (2002-02-01), None

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