Sheet folding device and post-processing apparatus and image...

Details Sheet folding device and post-processing apparatus and image... Sheet folding device and post-processing apparatus and image...

2010-08-27

2011-10-04

Nicholson, III, Leslie A (Department: 3651)

Sheet-material associating

Associating and folding

Sheet associating

C270S032000, C270S037000, C270S058070, C270S058080

Reexamination Certificate

active

08028980

ABSTRACT:
A sheet folding device includes a sheet guide for holding a sheet bunch, a folding roll device having a first folding roll and a second folding roll, a folding blade inserting the sheet bunch supported on the sheet guide to a nip position between the first and second folding rolls, and a blade driving device for moving the folding blade from a standby position to the nip position on the folding rolls. The sheet guide has a curved guide section supporting the sheet bunch and an outlet guide section connected to the curved guide section to guide the sheet bunch to the folding rolls. The curved guide section has a curved guide plate supporting the sheet bunch so that the sheet bunch rolls back toward the folding roll device. The outlet guide section includes a pair of opposite guide plates in folding the sheet bunch by the folding blade.

REFERENCES:
patent: 6276677 (2001-08-01), Hommochi et al.
patent: 6568668 (2003-05-01), Wakabayashi et al.
patent: 7726638 (2010-06-01), Itagaki
patent: 2005/0067777 (2005-03-01), Ilda et al.
patent: 2006/0017209 (2006-01-01), Kushida et al.
patent: 2007/0120308 (2007-05-01), Takemoto et al.
patent: 2007/0278732 (2007-12-01), Kitahara
patent: H10-167562 (1998-06-01), None
patent: 2002-145516 (2002-05-01), None

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