Rotary development device and image forming apparatus having...

Electrophotography – Image formation – Development

Reexamination Certificate

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Reexamination Certificate

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07072605

ABSTRACT:
A rotary development device includes a rotating member, a development unit which is detachably mounted on the rotating member, an engaging member which engages the rotating member and the development unit. The engaging member is provided so that a positioning pin is fitted into a positioning hole. The rotary development device further includes a biasing member which biases either the development unit or the rotating member so that the positioning pin is biased to inner face of the positioning hole.

REFERENCES:
patent: 6650855 (2003-11-01), Tajima
patent: 07-140769 (1995-06-01), None
patent: 07-175322 (1995-07-01), None
patent: 08-211689 (1996-08-01), None
patent: 11-024361 (1999-01-01), None
patent: 11-065276 (1999-03-01), None
patent: 11-295961 (1999-10-01), None
patent: 11-316479 (1999-11-01), None
patent: 2000-231261 (2000-08-01), None
patent: 2003-005484 (2003-01-01), None

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