DEVELOPMENT ROLLER, DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND IMAGE-FORMING APPARATUS

DEVELOPMENT ROLLER, DEVELOPMENT DEVICE, PROCESS CARTRIDGE AND IMAGE-FORMING APPARATUS

A development roller includes a magnet roller and a rotatably supported development sleeve including inside thereof the magnet roller, the development sleeve is formed in a cylindrical shape and configured such that a shaft center of the cylindrical shape is inconsistent with a rotation axis of the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KAMIYA NORIYUKI, TERASAKA TAKUMI, OHSAWA MASAYUKI, KOETSUKA KYOHTA, KOJIMA TOSHIO, ABE HIROYA
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Beschreibung
Zusammenfassung:A development roller includes a magnet roller and a rotatably supported development sleeve including inside thereof the magnet roller, the development sleeve is formed in a cylindrical shape and configured such that a shaft center of the cylindrical shape is inconsistent with a rotation axis of the development sleeve, the development sleeve includes an outer surface provided with many circular or elliptical depressions in a planar view, the depressions being regularly arranged at intervals, and a depth of the depression provided in a portion of the outer surface close to the rotation axis is larger than a depth of the depression provided in a portion of the outer surface far from the rotation axis.