Patent ID: 7817956
Filing Date: 2010-10-19
Classification: G03G

Abstract:
1. A cleaning blade, for use in an image-forming apparatus, which is brought into contact with a peripheral surface of a photoreceptor drum of an image-forming apparatus to remove toner which remains on said peripheral surface of said photoreceptor drum, said cleaning blade being molded from a thermosetting elastomer composition containing a rubber component ( said thermosetting elastomer composition essentially containing 5 to 60 parts by mass of zinc methacrylate ( wherein in a dynamic state in which said cleaning blade contacts said photoreceptor drum with a load of 2 to 60 N and a face pressure of 1.3 to 66.7 MPa being applied thereto when said photoreceptor drum is rotating, said cleaning blade contacts said peripheral surface of said photoreceptor drum in a contact width (nip width) of 3 to 10μm.