Developing device for prevention of coagulate toner...

Electrophotography – Image formation – Development

Reexamination Certificate

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Details

C399S043000, C399S071000, C399S098000

Reexamination Certificate

active

07546071

ABSTRACT:
A developing device includes a developer tank, a developing roller, a supply roller, a stirring member, and a doctor blade. The developing device is provided with: a cleaning member detachably provided on a contact portion of the doctor blade with the developing roller, which slides to rub a surface of the doctor blade upon contacting; a supporting section for supporting the cleaning member so as to be capable of being attached to and detached from the contact portion of the doctor blade with the developing roller; and a driving mechanism for moving the cleaning member so as to be attached to and detached from the contact portion of the doctor blade with the developing roller.

REFERENCES:
patent: 4373798 (1983-02-01), Tsukada et al.
patent: 2001/0005458 (2001-06-01), Yamanaka et al.
patent: 2002/0085862 (2002-07-01), Woerkens
patent: 2005/0220499 (2005-10-01), Kawahara et al.
patent: 2006/0210321 (2006-09-01), Nakasone et al.
patent: 1670633 (2005-09-01), None
patent: 58-150984 (1983-09-01), None
patent: 62-86381 (1987-04-01), None
patent: 8-254895 (1996-10-01), None
patent: 2001-175078 (2001-06-01), None
patent: 2001-194896 (2001-07-01), None
patent: 2001-249538 (2001-09-01), None
patent: 2003-208015 (2003-07-01), None

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