Patent ID: 6836629
Filing Date: 2004-12-28
Classification: G03G

Abstract:
A process cartridge detachably mountable to a main body of an electrophotographic image forming apparatus, said process cartridge comprising:an electrophotographic photosensitive drum; a developing roller configured and positioned to develop an electrostatic latent image formed on said electrophotographic photosensitive drum; a developing blade configured and positioned to regulate the amount of developer on a peripheral surface of said developing roller, said developing blade having a regulating portion configured and positioned to regulate the amount of developer on the peripheral surface of said developing roller and a supporting portion configured and positioned to support said regulating portion; a developing frame that rotatably supports said developing roller, wherein said supporting portion of said developing blade is attached to said developing frame; a drum frame that rotatably supports said electrophotographic photosensitive drum and that is connected to said developing frame, wherein said drum frame and said developing frame are connected rockably to each other; and a biasing member configured and positioned to bias said developing roller toward said electrophotographic photosensitive drum, wherein one end of said biasing member is attached to at least one end of said supporting portion in the longitudinal direction of said developing roller.