Preset case, development apparatus, process cartridge, and...

Electrophotography – Having particular structure – Modular or displaceable

Reexamination Certificate

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Details

C399S062000, C399S106000

Reexamination Certificate

active

08073361

ABSTRACT:
A developing apparatus has: a developer container including a developer transportation unit that transports, while mixing, a developer containing a toner and a carrier along an axis of rotation by a rotatable mixing transportation member; and a cover member provided in part of the developer transportation unit so as to cover an upper portion of the mixing transportation member. A preset case disposed on top of the developer transportation unit has: a developer feed port provided on that bottom surface of the preset case which lies on a side of the developer container; and a sealing member that seals a developer feed port, the sealing member being mounted so as to be removable, when putting the preset case to use, longitudinally of the mixing transportation member. The developer feed port is provided except for a position that lies opposite to the cover member.

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patent: 7024133 (2006-04-01), Nagashima et al.
patent: 7136610 (2006-11-01), Arai et al.
patent: 7305203 (2007-12-01), Sampe et al.
patent: 7343132 (2008-03-01), Kimura et al.
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patent: 2006/0008296 (2006-01-01), Sampe et al.
patent: 2006/0018680 (2006-01-01), Hosokawa et al.
patent: 2006/0115292 (2006-06-01), Sampe et al.
patent: 2007/0248368 (2007-10-01), Kato et al.
patent: 2008/0069580 (2008-03-01), Oshige et al.
patent: 2009/0116861 (2009-05-01), Oshige et al.
patent: 2003-307918 (2003-10-01), None
patent: 2009-047714 (2009-03-01), None

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