Image forming apparatus

Details Image forming apparatus Image forming apparatus

2005-09-20

2005-09-20

Grimley, Arthur T. (Department: 2852)

Electrophotography

Image formation

Development

C399S223000, C399S226000, C399S228000, C399S265000, C399S294000, C399S286000

Reexamination Certificate

active

06947689

ABSTRACT:
An image forming apparatus has a plurality of developing devices for developing an electrostatic image formed on an image bearing member, a rotary member holding the plurality of developing devices and rotated in a route including a developing position, the rotary member selectively positioning any one of the developing devices at the developing position, each of the plurality of developing devices having a first developer carrying member and a second developer carrying member for carrying a developer thereon and carrying it to the image bearing member, and a holding member holding the first developer carrying member and the second developer carrying member and pivotally movably provided.

REFERENCES:
patent: 5160969 (1992-11-01), Mizuma et al.
patent: 5258819 (1993-11-01), Kimura et al.
patent: 11002961 (1999-01-01), None
patent: 2000-147900 (2000-05-01), None
patent: 2002351211 (2002-12-01), None

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