Entwicklungsgerät

A developing apparatus includes a developing chamber (102) for containing a developer, a developer-carrying member (110) for carrying and conveying the developer to a developing region, and a developer-supplying member (112) abutted rotatably to the developer-carrying member. The developer-supplying...

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Bibliographic Details
Main Authors ENOMOTO, NAOKI, SAITO, YOSHIRO, KOBAYASHI, TETSUYA, HAYAKAWA, TATSUHIKO, SASAME, HIROSHI
Format Patent
LanguageGerman
Published 19.06.2008
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A developing apparatus includes a developing chamber (102) for containing a developer, a developer-carrying member (110) for carrying and conveying the developer to a developing region, and a developer-supplying member (112) abutted rotatably to the developer-carrying member. The developer-supplying member (112) has surface-modifying powder at at least its surface. The powder has substantially no chargeability or a chargeability of a polarity equal to that of the developer and a magnitude in terms of an absolute value equal to or smaller than that of the developer. By application of the surface-modifying powder, the developing apparatus can obviate a partial tearing of a surface portion of the developer-supplying member leading to image defects and an increase in drive torque at the initial drive thereof.
Bibliography:Application Number: DE19956035538T