Patent ID: 7577385

Claim:
A toner supply container detachably mountable to a main assembly of an image forming apparatus, said toner supply container comprising: a main body for accommodating toner; a discharge opening for permitting discharge of the toner accommodated in said main body; a shutter portion for opening and closing said discharge opening; a manually operable rotatable member for producing a driving force for opening and closing said shutter portion; and a regulating portion for regulating movement of said toner supply container, wherein said regulating portion is movable by movement of said rotatable member when said rotatable member is moved to move said shutter portion to an opening position after said toner supply container is mounted to the image forming apparatus in a mounting direction, which is substantially parallel with a rotational axis of said rotatable member, and wherein when said toner supply container is to be moved in a dismounting direction opposite the mounting direction, in a state in which said shutter portion is at the opening position, said regulating portion regulates the movement of said toner supply container in the dismounting direction by abutting to a contact portion provided in the image forming apparatus.