Developer supplying cartridge including a developer...

Details Developer supplying cartridge including a developer... Developer supplying cartridge including a developer...

2011-07-12

2011-07-12

Royer, William J (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

07979009

ABSTRACT:
A developer supplying cartridge including a supply developer containing portion, a developer supplying port for supplying a developer in the supply developer containing portion to a developing device via a supplied port of the developing device, and a supplying port shutter unit that opens and closes the developer supplying port and that includes a housing member covering the developer supplying port, a cylindrical member which is rotatably disposed in the housing member, and provided with a through-hole corresponding to the developer supplying port, and which assumes, by its rotation, a developer supply allowing position where the developer supplying port and the through-hole communicate with each other and a developer supply stopping position where the developer supplying port is closed, and a scraping member which is abutted on an outer circumferential surface of the cylindrical member to scrape off developer adhering to the outer circumferential surface.

REFERENCES:
patent: 7555249 (2009-06-01), Kawai
patent: 7805098 (2010-09-01), Kimura et al.
patent: 2007/0212118 (2007-09-01), Nagae et al.
patent: 7-36269 (1995-02-01), None
patent: 8-76578 (1996-03-01), None
patent: 2006-309147 (2006-11-01), None
Japanese Office Action dated Jul. 7, 2009 in Japanese Application No. 2007-202449, and an English-language translation therefor.

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