Patent ID: 8923725

Claim:
A cleaning device mountable to an image forming apparatus including a rotatable image bearing member for bearing an image of a developer, said cleaning device comprising: a cleaning member for removing the developer remaining on the image bearing member; a cleaner container accommodating a developer removed by said cleaning member; and a sheet elastically contacting the image bearing member, wherein said cleaner container is provided with an opening, opposing the image bearing member, for permitting the developer removed from the image bearing member by said cleaning member to enter said cleaner container, wherein said cleaner container is provided with a fixing surface at an upstream side of the opening with respect to a rotational moving direction of the image bearing member, wherein said sheet is fixed to said fixing surface, wherein said fixing surface protrudes toward an upstream side with respect to the rotational moving direction, wherein said fixing surface includes an end portion and a center portion with respect to the rotational axis direction of the image bearing member, and wherein a length of the end portion from the opening to the upstream side is longer than that of the center portion.