Sheet postprocessing apparatus for use with image forming...

Details Sheet postprocessing apparatus for use with image forming... Sheet postprocessing apparatus for use with image forming...

2006-05-30

2006-05-30

Mackey, Patrick (Department: 3651)

Sheet-material associating

Associating and folding

Stapling or stitching

C493S442000, C493S435000, C493S443000

Reexamination Certificate

active

07052005

ABSTRACT:
This invention relates to a sheet postprocessing apparatus for executing postprocessing including a punching process, folding process, binding process, and the like, midway along a sheet convey path, for sheets discharged from an image forming apparatus, and a folding method. This sheet postprocessing apparatus includes a sheet folding section having the first and second folding sections which are arranged in series in a sheet convey direction to execute folding processes for sheets. The sheet folding section is configured such that the first folding section performs the first folding process in a Z-fold process, the first folding process in an internal three-fold process, and a center folding process with an image-transferred surface facing outside, and the second folding section performs the second folding process in the Z-fold process, the second folding process in the internal three-fold process, and a center folding process with an image-transferred surface facing inside.

REFERENCES:
patent: 4403981 (1983-09-01), Wuthrich
patent: 4717134 (1988-01-01), Iida et al.
patent: 5076556 (1991-12-01), Mandel
patent: 6006065 (1999-12-01), Seki
patent: 6042529 (2000-03-01), Hubler et al.
patent: 6592506 (2003-07-01), Lyga
patent: 6730010 (2004-05-01), Yamakawa et al.
patent: 2003063736 (2003-03-01), None
patent: 2003276939 (2003-10-01), None

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