Patent ID: 8918034

Claim:
A powder accommodation container mountable on a device main body having a rotary driving member that rotates a rotating member, the powder accommodation container comprising: an accommodation container body that accommodates powder; a transport member that is arranged in the accommodation container body, rotates about a rotating shaft, and transports the powder in the accommodation container body; and a discharge port that discharges the powder accommodated in the accommodation container body to the device main body, wherein the discharge port, the rotating member receiving a rotation transferred from the rotary driving member and rotating the transport member, and a concave portion into which a first projection formed on the same axis of the driving member enters are formed on one end side in a longer direction of the accommodation container body, an outer surface of the rotating member contacts an outer surface of the driving member, the concave portion is formed on the accommodation container body, and in a state where the first projection enters into the concave portion, the rotating member receives the rotation transferred from the rotary drive member.