Patent ID: 8594539

Claim:
An image forming apparatus comprising: a powder container body that is attached to a body of the image forming apparatus in an attachable and detachable manner, the powder container body that includes: an accommodation section that accommodates powder, an outlet that connects the accommodation section to an outside and allows the powder to flow out therethrough, and a recess that is arranged on a side of the outlet and that is formed in a shape depressed in a direction of departing relative to an opening and closing member; a container support section that supports the powder container body in the attachable and detachable manner, the container support section that includes: an inlet that is connected to the outlet, and a leakage preventing member that is arranged in surroundings of the inlet and contacts with surroundings of the outlet so as to prevent leakage of the powder; and the opening and closing member that is supported in a movable manner relative to the powder container body between an open position where the outlet is opened and a closed position where the outlet is closed, and that moves relative to the powder container body when, in a state that the powder container body is supported by the container support section, the powder container body is moved in an opening or a closing direction set up in advance, wherein an angle, relative to the leakage preventing member, of an end of the recess on an upstream side in a direction of movement of the recess in contact with the leakage preventing member in a case that the opening and closing member relatively moves from the open position toward the closed position is set to be an obtuse angle.