Developing device, process cartridge, and image forming...

Electrophotography – Image formation – Development

Reexamination Certificate

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Reexamination Certificate

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07970324

ABSTRACT:
A developer carrier is provided in a rotatable manner. A layer-thickness control member makes a layer thickness of a developer carried on the developer carrier uniform. An accelerated agglomeration degree of the developer is equal to or less than 40%. The layer-thickness control member is formed with a blade. An angle between a rolling direction of the blade and a rotating direction of the developer carrier is set to 5 degrees to 80 degrees.

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patent: 3320954 (2002-06-01), None

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