Developing device and electrophotographic image forming apparatu

Details Developing device and electrophotographic image forming apparatu Developing device and electrophotographic image forming apparatu

1997-09-29

1999-07-13

Grimley, Arthur T.

Electrophotography

Having particular structure

Modular or displaceable

399 90, G03G 1500, G03G 1506

Patent

active

059239263

ABSTRACT:
A developing cartridge for developing a latent image formed on the photosensitive member, which is detachably mountable to a main assembly of an electrophotographic image forming apparatus, the developing cartridge includes a developing member for developing a latent image formed on the photosensitive member; a toner accommodating portion for accommodating toner to be used for developing a latent image formed on the photosensitive member by the developing member; a driving force receiving portion for receiving, from the main assembly, driving force for rotating the developing member when the developing cartridge is mounted to the main assembly, the driving force receiving portion being provided at a leading side of the developing cartridge when the developing cartridge is mounted to the main assembly in a longitudinal direction of the developing member; an exposed developing bias contact, provided at the leading side, for receiving from the main assembly a developing bias to be supplied to the developing member when the developing cartridge is mounted to the main assembly; wherein the driving force receiving portion is disposed inside the developing bias contact in the longitudinal direction of the developing member.

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patent: 5283619 (1994-02-01), Nomura et al.
patent: 5771426 (1998-06-01), Oka et al.

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