Patent ID: 8483599

Claim:
A powder container that is detachably attached to a container receiver of a powder processing apparatus casing and that houses powder, comprising: a container body that houses the powder, the container body having an opening that is formed in a portion of the container body at a position corresponding to a powder opening that is formed in the container receiver; an open/close lid that is movable between an open position at which the opening is open and a close position at which the opening is closed; a first restricting portion that is provided at a portion of the open/close lid at a position at a forward side in an attachment operation direction of the container body, a contact surface being located upstream of the powder opening of the container receiver in the attachment operation direction of the container body and being formed to intersect with an open/close operation direction of the open/close lid, the first restricting portion being formed to face the contact surface, when the container body is attached to the container receiver, the first restricting portion being configured to contact the contact surface to restrict a position of the open/close lid in the open/close operation direction of the open/close lid; a flexible sealing member having a protruding free end that protrudes from an edge of the open/close lid near the opening when the open/close lid is located at the open position at which the opening is open, the protruding free end contacting an edge portion of the powder opening and closing a portion, which is located near the opening, of a gap between the contact surface and the first restricting portion; and a second restricting portion, a press member being provided at the container receiver and restricting movement of the open/close lid in a detachment direction of the container body until the open/close lid reaches the close position at which the opening is closed, when the container body is detached from the container receiver and when the press member restricts the movement of the open/close lid, the second restricting portion being configured to restrict a posture of the sealing member such that the protruding free end of the sealing member is pressed against the edge portion of the powder opening at a position at which the first restricting portion contacts the contact surface.