Patent ID: 7630678
Filing Date: 2009-12-08
Classification: G03G

Abstract:
1. A process cartridge detachably mountable to an image forming apparatus, said process cartridge comprising: an image bearing member; a developing member configured and positioned to develop an electrostatic latent image formed on a surface of said image bearing member; and a cleaning member having a blade contacting said image bearing member along a longitudinal direction of said image bearing member to remove the developer from the surface of said image bearing member, said cleaning member having a processed portion containing an isocyanate compound at each of longitudinal end portions of said blade, wherein a longitudinally inside end of said processed portion is disposed longitudinally inside a developer carryable region of said developing member which is capable of carrying the developer, wherein a step portion of not more than 30 μm is provided between said processed portion and a non-processed portion with respect to a widthwise direction of said blade.