Developer recovering mechanism and image forming apparatus

Details Developer recovering mechanism and image forming apparatus Developer recovering mechanism and image forming apparatus

2008-01-22

2008-01-22

Lee, Susan (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

07321743

ABSTRACT:
A developer recovering mechanism used in a developing apparatus having a developer cartridge which houses developer, a developing unit in which the developer cartridge is installed and which can make a latent image of an image carrier visible by the developer, and a rotor at which the developing unit is loaded and which rotates and moves the developing unit successively to a developing region, the developer recovering mechanism having: a housing chamber provided at the developer cartridge, for housing recovered developer; a recovery opening for recovering developer, which is in the developing unit, into the housing chamber; and a shutter which is plate-shaped, one end side of the shutter being rotatably shaft-supported within the housing chamber, the shutter opening and closing the recovery opening in accordance with changes in gravity due to rotation of the rotor.

REFERENCES:
patent: 6192211 (2001-02-01), Kimura
patent: 6987940 (2006-01-01), Tamura
patent: 7035574 (2006-04-01), Deguchi et al.
patent: 2003/0202823 (2003-10-01), Tamura
patent: 1455302 (2003-11-01), None
patent: 10-198144 (1998-07-01), None

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