Sheet processor and image-forming apparatus

Sheet-material associating – Associating and folding – Stapling or stitching

Reexamination Certificate

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Details

C270S032000, C270S045000, C270S058070

Reexamination Certificate

active

07431274

ABSTRACT:
A sheet processor includes a holding unit for holding a folded batch of sheets, a pressing member for pressing against a folded portion of the batch of sheets, a nipping member for nipping portions of the batch adjacent to the folded portion so as to nip the batch of sheets from opposite directions, and a casing for supporting the pressing member and the nipping member.

REFERENCES:
patent: 2066621 (1937-01-01), Grammer
patent: 2088904 (1937-08-01), Grammer
patent: 3451082 (1969-06-01), Sarring
patent: 6692208 (2004-02-01), Watkiss et al.
patent: 6817605 (2004-11-01), Bohn
patent: 2003/0031532 (2003-02-01), Nolte et al.
patent: 2005/0147487 (2005-07-01), Wakabayashi et al.
patent: 2005/0179190 (2005-08-01), Kamiya et al.

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