Sheet finisher and image forming system using the same

Details Sheet finisher and image forming system using the same Sheet finisher and image forming system using the same

2006-11-21

2006-11-21

Rada, Rinaldi I. (Department: 3721)

Manufacturing container or tube from paper; or other manufacturi

Bending

Folding

C493S444000, C270S032000, C271S207000

Reexamination Certificate

active

07137944

ABSTRACT:
A folding device of the present invention includes a fold plate and a fold roller pair for folding a sheet or a sheet stack conveyed thereto. A controller causes the fold roller pair to move back and forth while nipping the folded portion of the sheet or that of the sheet stack at its nip for thereby continuously exerting pressure on the folded portion. The fold roller pair is rotated in opposite directions for thereby sharpening the fold of the sheet or that of the sheet stack.

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