Process cartridge, developing cartridge and developing roller

Process cartridge, developing cartridge and developing roller

A developing cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the developing cartridge includes a developing roller, for developing an electrostatic latent image formed on an electrophotographic photosensitive member, having an elastic roller porti...

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1. Verfasser: YASUI KOJIRO,ISOBE HIRONOBU,SATO HIROSHI,SHINOHARA SEIICHI,YOSHINO YASUFUMI,KAWASAKI SYUHEI
Format: Patent
Sprache:eng
Schlagworte:
CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
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creator YASUI KOJIRO,ISOBE HIRONOBU,SATO HIROSHI,SHINOHARA SEIICHI,YOSHINO YASUFUMI,KAWASAKI SYUHEI
description A developing cartridge detachably mountable to a main assembly of an electrophotographic image forming apparatus, the developing cartridge includes a developing roller, for developing an electrostatic latent image formed on an electrophotographic photosensitive member, having an elastic roller portion and a shaft portion supporting the elastic roller portion, a developer regulating member contactable to the elastic roller portion to regulate an amount of the developer deposited on the elastic roller portion; a protecting member including a contact portion provided at a side for contact with the elastic roller portion when the protecting member is demountably mounted between the developing roller and the developer regulating member; and a supporting portion for supporting the contact portion, the supporting portion being provided at a side for contact with the elastic roller portion when the protecting member is demountably mounted between the developing roller and the developer regulating member, wherein the contact portion has a hardness which is not less than a predetermined value.
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language eng
recordid cdi_epo_espacenet_CN1971443A
source esp@cenet
subjects CINEMATOGRAPHY
ELECTROGRAPHY
ELECTROPHOTOGRAPHY
HOLOGRAPHY
MAGNETOGRAPHY
PHOTOGRAPHY
PHYSICS
title Process cartridge, developing cartridge and developing roller
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