Patent ID: 8131188

Claim:
A developer container comprising: a first housing that accommodates an agitating member and that has a substantially cylindrical shape along a shaft of the agitating member; and a second housing that covers the first housing and is rotatable around the shaft of the agitating member relative to the first housing, wherein the first housing comprises: a first cylinder portion that extends along the shaft of the agitating member and that has a first opening; and a first end portion that extends substantially perpendicular to the shaft of the agitating member at both ends of the first cylinder portion, wherein the second housing comprises: a first cover member that covers a part of the first housing in a direction perpendicular to the shaft of the agitating member; and a second cover member that is separated from the first cover member and covers a remaining part of the first housing in the direction perpendicular to the shaft of the agitating member, wherein the first cover member comprises: a first cover cylinder portion that extends along the first cylinder portion and that has a second opening corresponding to the first opening; and a first cover end portion provided at each end of the first cover cylinder portion, the first cover end portion extending in the direction perpendicular to the shaft of the agitating member, wherein the first cover end portion comprises a first cover end wall that extends in the direction perpendicular to the shaft of the agitating member, and wherein the second cover member comprises: a second cover cylinder portion that extends along the first cylinder portion; and a second cover end portion provided at each end of the second cover cylinder portion, the second cover end portion extending in the direction perpendicular to the shaft of the agitating member, wherein the second cover end portion comprises a second cover end wall that extends in the direction perpendicular to the shaft of the agitating member.