Powder developer holding apparatus, developing apparatus,...

Details Powder developer holding apparatus, developing apparatus,... Powder developer holding apparatus, developing apparatus,...

2009-02-27

2011-11-01

Gray, David (Department: 2852)

Electrophotography

Internal machine environment

Particle or contaminant control

C399S262000

Reexamination Certificate

active

08050591

ABSTRACT:
A powder developer holding apparatus prevents developer leakage. A housing holds powder developer, and includes a discharging opening through which the powder developer is discharged. A shutter is mounted to the housing and is rotatable relative to the housing to an opening position where the discharging opening is opened or to a closing position where the discharging opening is closed. A locking member is slidably mounted to the shutter. When the powder developer holding apparatus is oriented such that the discharging opening faces upward in a gravitational direction, the locking member prevents the shutter from rotating relative to the chamber.

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patent: 7747199 (2010-06-01), Koido
patent: 2006/0182469 (2006-08-01), Koyama et al.
patent: 2008/0056759 (2008-03-01), Koido
patent: 1 895 368 (2008-03-01), None
patent: 2003-050505 (2003-02-01), None
patent: 2005-173568 (2005-06-01), None
patent: 2006-235592 (2006-09-01), None

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