Finisher, sheet discharging method and image forming apparatus

Details Finisher, sheet discharging method and image forming apparatus Finisher, sheet discharging method and image forming apparatus

2009-02-05

2011-11-01

Nicholson, III, Leslie A (Department: 3651)

Sheet-material associating

Associating or disassociating

Sheet associating

C270S058070, C270S058110, C270S058120, C270S058270

Reexamination Certificate

active

08047525

ABSTRACT:
A conveying unit has a nipping hook to nip a sheet bundle and conveys the sheet bundle while nipping the sheet bundle with the nipping hook. A discharge roller sequentially discharges the sheet bundle conveyed by the conveying unit. A stack unit stacks the sheet bundle conveyed by the conveying unit. A shutter is provided between the discharge roller and the stack unit. A push-out lever is fixed to the discharge roller. An opening is provided on one side of the shutter, and a push-out part which causes the push-out lever to protrude to the stack unit from the opening of the shutter with a rotation of the nipping pawl is provided on the nipping hook. The push-out lever caused to protrude to the stack unit by the push-out part pushes out the sheet bundle to the stack unit in accordance with the rotation of the nipping hook.

REFERENCES:
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patent: 7264236 (2007-09-01), Obuchi et al.
patent: 2002/0063380 (2002-05-01), Tamura et al.
patent: 2002/0158405 (2002-10-01), Nagasako et al.
patent: 2005-111693 (2005-04-01), None
patent: 2005-345663 (2005-12-01), None
patent: 2008-023985 (2008-02-01), None

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