Patent ID: 8768211

Claim:
A developing cartridge detachably mountable to a main assembly of an image forming apparatus, said developing cartridge comprising: a frame; a developer carrying member, provided on said frame, for carrying a developer for developing an electrostatic image; a first portion to be engaged provided on one side of said frame with respect to a direction crossing an axial direction of said developer carrying member; a second portion to be engaged provided on another side of said frame with respect to the direction crossing the axial direction of said developer carrying member; and a cover member, including a first engaging portion engageable with said first portion to be engaged and including a second engaging portion engageable with said second portion to be engaged, for covering an exposed portion of said developer carrying member by being detachably mounted to said frame, wherein said cover member is detachably mountable to said frame in a first state by engaging the first engaging portion with said first portion to be engaged and by engaging the second engaging portion with said second portion to be engaged, and wherein said first portion to be engaged is positioned above said second portion to be engaged in a state in which said developing cartridge is disposed so that a disposing surface opposes a mounting surface on which said developing cartridge is to be mounted, wherein the second engaging portion includes a claw portion, and wherein said claw portion has a height which is smaller than a distance from the mounting surface to said second portion to be engaged.