Developing apparatus, imaging unit, and image forming apparatus including developer mixing container with auxiliary member to circulate developer

A developing apparatus includes a first rotation member having a rotation shaft to transfer developer in a first direction and a mixing and transfer member having a spiral wing shape to mix and transfer the developer to the center portion of the rotation shaft, a second rotation member having a rota...

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Bibliographic Details
Main Authors SHIGETA KUNIO, IWATA NAOYA
Format Patent
LanguageEnglish
Published 31.07.2012
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A developing apparatus includes a first rotation member having a rotation shaft to transfer developer in a first direction and a mixing and transfer member having a spiral wing shape to mix and transfer the developer to the center portion of the rotation shaft, a second rotation member having a rotation shaft including a mixing and transfer member to transfer the developer in a direction opposite to the first direction by the first rotation member and a circulation auxiliary member to transfer the developer to the center portion of the rotation shaft, two end portion partition walls formed along the circulation auxiliary member, and a center partition wall formed along the mixing and transfer member at a position separated from the end portion partitions wall.
Bibliography:Application Number: US20090565028