DEVELOPING STATION FOR ELECTROSTATOGRAPHIC IMAGING MACHINE, MANUFACTURING METHOD FOR DEVELOPING STATION, AND ELECTROSTATOGRAPHIC IMAGING MACHINE

PROBLEM TO BE SOLVED: To provide a development station that supports longer operational life without undue variation in the mass of developer on magnetic roll parameter. SOLUTION: The development station includes a developer housing 12, for retaining a quantity of developer having semi-conductive ca...

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Bibliographic Details
Main Authors REED DAVID A, NAU KEITH ALLAN, KUMAR AJAY, OBA HIROTSUGU
Format Patent
LanguageEnglish
Published 11.10.2007
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide a development station that supports longer operational life without undue variation in the mass of developer on magnetic roll parameter. SOLUTION: The development station includes a developer housing 12, for retaining a quantity of developer having semi-conductive carrier particles and toner particles, a first magnetic roll 36 having a stationary core 154 with at least one magnet and a sleeve 150 having longitudinal grooves that rotates about the stationary core 154 to transport developer to a photoreceptor, a second magnetic roll 38 having a stationary core 164 with at least one magnet and a sleeve 160 having longitudinal grooves that rotates about the stationary core 164 to receive developer from the first magnetic roll and present the developer to the photoreceptor, the sleeve 160 of the second magnetic roll being fabricated from a material that is softer than the sleeve 150 of the first magnetic roll. COPYRIGHT: (C)2008,JPO&INPIT
Bibliography:Application Number: JP20070086038