Cleaning unit, process cartridge using cleaning unit, and...

Details Cleaning unit, process cartridge using cleaning unit, and... Cleaning unit, process cartridge using cleaning unit, and...

2005-10-05

2008-08-19

Tran, Hoan H (Department: 2852)

Electrophotography

Cleaning of imaging surface

Blade

C399S111000, C399S123000

Reexamination Certificate

active

07415237

ABSTRACT:
A cleaning unit includes: a cleaning housing which is open toward an image carrier and has a waste toner accommodating part; a cleaning member which scrapes and collects the waste toner on the image carrier; a waste toner storage part storing the waste toner temporarily; and a waste toner conveying member which conveys the waste toner scraped and collected by the cleaning member from the waste toner storage part toward the waste toner accommodating part, wherein: the waste toner conveying member moves in the advancing/retracting direction along the waste toner storage part; and when the waste toner conveying member moves in the retracting direction, the waste toner conveying member moves in contact with the waste toner, and when the waste toner conveying member moves in the advancing direction, the waste toner conveying member moves without contacting the waste toner.

REFERENCES:
patent: 6975830 (2005-12-01), Murakami et al.
patent: 7024134 (2006-04-01), Yokomori et al.
patent: 7058337 (2006-06-01), Hashimoto et al.
patent: 7072594 (2006-07-01), Hoshi et al.
patent: 7184686 (2007-02-01), Kanno et al.
patent: 10-301460 (1998-11-01), None
patent: 2002-123143 (2002-04-01), None
patent: 2003-162191 (2003-06-01), None

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