Patent ID: 7239824

Claim:
A cartridge detachably attachable to a main body of an image forming apparatus, the cartridge comprising: a case configured to store a developing agent and having an opening; a developing roller rotatably attached to the inside of the opening in the case and configured to form a visible image by transferring the developing agent to an electrostatic latent image; and a side seal member provided at each end of the case, the side seal member having a contact surface that makes contact with a surface of the developing roller, and wherein the case includes a developing agent receiving member, the developing agent receiving member opening below the contact surface in an upward direction and including a first side portion and a second side portion, the first side portion located directly below the contact surface and being continuous with a portion of the side seal member located below the contact surface, and second side portion disposed below the developing roller and extending upward to a position higher than a lower end of the developing roller.