Developing device

Details Developing device Developing device

2006-04-18

2006-04-18

Grimley, Arthur T. (Department: 2852)

Electrophotography

Image formation

Development

Reexamination Certificate

active

07031643

ABSTRACT:
A developing device including: plural developing units each for developing an electrostatic image formed on an image bearing member with developer that contains toner and carriers in a developing portion; a rotary member for mounting the plurality of developing units thereon and rotating along a path that includes the developing portion; and a containing pipe provided in the rotary member to contain excess developer discharged from the developing units in association with a replenishment of developer, in which the containing pipe is substantially non-rotatably provided, and the developer in the containing pipe is fed utilizing the rotation of the rotary member.

REFERENCES:
patent: 5508794 (1996-04-01), Ikesue et al.
patent: 5752141 (1998-05-01), Nishimura et al.
patent: 2003/0219283 (2003-11-01), Tamura
patent: 6-308829 (1994-04-01), None
patent: 9-218575 (1997-08-01), None
patent: 10-142888 (1998-05-01), None
patent: 10-161420 (1998-06-01), None
patent: 11-249418 (1999-09-01), None
patent: 2002-258611 (2002-09-01), None

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