Patent ID: 7536132

Claim:
A developer collecting container detachably mountable to a rotatable member which is provided in an image forming apparatus to rotate a developing device, said developer collecting container which is rotatable while being substantially fixed to said rotatable member with said developing device, said developer collecting container comprising: a receiving port for receiving a developer discharged from the developing device; an accommodating portion for accommodating the developer collected from the developing device; a guiding pipe, having a discharge opening for permitting discharging of the developer into said accommodating portion, for guiding the developer received at said receiving port with rotation of the rotatable member to said discharge opening; a suppressing portion, provided adjacent said discharge opening in said accommodating portion, for suppressing entrance of the developer from said accommodating portion into said guiding pipe through said discharge opening by rotation of said rotatable member; wherein said guiding pipe extends substantially rectilinearly from said receiving port in a rotational direction of said rotatable member, wherein said suppressing portion including, a portion, provided at a position adjacent of said discharge opening, for limiting movement of the developer toward said discharge opening.