Developing cartridge with mounting positioning feature and image

Details Developing cartridge with mounting positioning feature and image Developing cartridge with mounting positioning feature and image

1997-09-29

1999-11-30

Lee, Susan S.Y.

Electrophotography

Having particular structure

Modular or displaceable

G03G 1504

Patent

active

059957824

ABSTRACT:
A developing cartridge for developing a latent image formed on a photosensitive member 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; a toner accommodating portion for accommodating toner to be used for developing the latent image; a first and a second recess for engagement with a first and a second positioning member, respectively, provided in the main assembly, the first and the second recess are provided at a leading side end portion of the developing cartridge when the developing cartridge is mounted to the main assembly in a longitudinal direction of the developing member; a driving force for receiving member, provided in the second recess, for receiving driving force for rotating the developing member from the main assembly; a third recess for engagement with a third positioning member provided in the main assembly, the third recess being provided at a trailing side end portion of the developing cartridge when it is mounted to the main assembly in the longitudinal direction of the developing member, wherein the third recess is provided in a free end portion of an arm projected in a direction crossing with the longitudinal direction of the developing member.

REFERENCES:
patent: 5640229 (1997-06-01), Nakahara
patent: 5774766 (1998-06-01), Karakama et al.

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