Sheet creaser including a cam guided pressing unit

Details Sheet creaser including a cam guided pressing unit Sheet creaser including a cam guided pressing unit

2011-03-15

2011-03-15

Mackey, Patrick (Department: 3651)

Sheet-material associating

Associating and folding

C270S037000, C270S045000, C493S445000

Reexamination Certificate

active

07905473

ABSTRACT:
A pressing unit includes a pressure roller that slides on the folded side while rotating, an elastic biasing unit that presses the pressure roller in a thickness direction of the stack of sheets, and a driving unit that slides the pressure roller in a direction substantially perpendicular to a conveying direction of the stack of sheets. A lifting unit, when the pressure roller slides to a first position, temporarily lifts up the pressure roller, and when lifted-up pressure roller slides to a second position, lifts the lifted-up pressure roller down onto the folded side.

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