Patent ID: 8155554

Claim:
A cartridge detachably mountable to a main assembly of an image forming apparatus provided with a main assembly electrical contact, said cartridge comprising: a memory configured to store information relating to said cartridge; a contact member including a cartridge electrical contact electrically connectable to the main assembly electrical contact to transmit the information in said memory to the main assembly of the image forming apparatus; and a supporting portion configured to support said contact member in a support position, wherein said supporting portion includes a thickness direction regulating portion configured to regulate movement of said contact member in a direction of the thickness of said contact member in the support position, and an opening configured to permit insertion of said contact member to the support position, and wherein said contact member is mounted to said supporting portion by inserting said contact member in an inserting direction through said opening, wherein said thickness direction regulating member is provided such that said cartridge electrical contact is exposed in a downstream side of said opening with respect to the inserting direction, as seen in a direction of a thickness of said contact member, and wherein the inserting direction is a direction in which said contact member is inserted into said supporting portion.