Sheet finisher, image forming apparatus using the same, and...

Details Sheet finisher, image forming apparatus using the same, and... Sheet finisher, image forming apparatus using the same, and...

2008-04-17

2010-06-29

Crawford, Gene (Department: 3651)

Sheet-material associating

Associating and folding

C270S037000, C270S045000, C270S051000, C270S020100, C270S058070

Reexamination Certificate

active

07744073

ABSTRACT:
A sheet finisher of the invention includes a saddle stitch unit configured to stitch a center of a sheet bundle in which printed sheets are bundled, a fold unit configured to fold the center stitched by the saddle stitch unit and to form a fold line, and a fold reinforcing unit configured to reinforce the fold line formed by the fold unit, the fold reinforcing unit includes a placement table on which the sheet bundle transported from the fold unit is placed, and a roller unit that includes a reinforce roller and moves the reinforce roller along a direction of the fold line while pressing it to the fold line, and the placement table is provided with a groove-like edge clearance along an edge of the sheet bundle.

REFERENCES:
patent: 6905118 (2005-06-01), Yamada et al.
patent: 2003-182928 (2003-07-01), None
patent: 2004-059304 (2004-02-01), None
patent: 2004-106991 (2004-04-01), None
patent: 2005-089140 (2005-04-01), None
patent: 2005-162345 (2005-06-01), None

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