TONER CONVEYANCE DEVICE, DEVELOPING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

A toner conveyance device includes a conveying screw including a screw portion helically wound around an axis of rotation of the conveying screw in an axial direction of the conveying screw and a wall having an opening. The wall surrounds the conveying screw with a clearance relative to the conveyin...

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Bibliographic Details
Main Authors TAKANO, Kuniyori, OHKUBO, Yasuhide
Format Patent
LanguageEnglish
Published 04.06.2020
Subjects
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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Summary:A toner conveyance device includes a conveying screw including a screw portion helically wound around an axis of rotation of the conveying screw in an axial direction of the conveying screw and a wall having an opening. The wall surrounds the conveying screw with a clearance relative to the conveying screw in a radial direction of the conveying screw. The toner conveyance device further includes a film attached to the wall at a predetermined distance away from an edge of the opening in the axial direction of the conveying screw.
Bibliography:Application Number: US201916695285