Patent ID: 8918033

Claim:
A powder accommodation container comprising: an accommodation container body that accommodates powder; a transport member that is arranged in the accommodation container body and rotates about a rotating shaft to transport powder in the accommodation container body, an end side of the transport member in a short direction of the transport member is arranged on the rotating shaft, another end side of the transport member in the short direction of the transport member is a free end having a flexible member which is bent in contact with the accommodation container body, the flexible member having a plurality of slant pieces that are slanted with respect to the rotating shaft from the free end, the slant pieces including a first slant piece, which is closer to a discharge port than a connection portion between a first region and a second region and a second slant piece, which is farther from the discharge port than the connection portion, a slanted angle of the first slant piece being larger than a slanted angle of the second slant piece; and the discharge port, wherein the discharge port discharges the powder accommodated in the accommodation container body to outside of the accommodation container body, wherein the accommodation container body includes the first region wherein the first region is formed so that width dimensions of the first region in a direction that crosses the rotating shaft define a first dimension, the second region wherein the second region is arranged to be closer to the discharge port than the first region in an axial direction of the rotating shaft and formed so that width dimensions of the second region in the direction that crosses the rotating shaft define a second dimension that is smaller than the first dimension, and a third region having smaller width dimensions than the second region, wherein the third region is provided on an opposite side of the second region from the first region in the axial direction of the rotating shaft.