Patent ID: 9645526
Date: 2017-05-09
CPC Classifications: G03G

Claim:
1. A powder containing device comprising: a powder container that contains powder, has a first end which is closed, has a second end which is opened, includes a main body section, includes a tapered section which is disposed on the second end side from the main body section and has a diameter that reduces toward the second end, and has an inner circumferential surface on which a protruding ridge is formed to convey the powder to the second end side by rotating around a rotation axis extending in a direction in which the first end and the second end are connected; and a lid member that is provided with an outlet of the powder, is maintained in a non-rotating state, and causes the powder flowing from the opening to flow out from the outlet, wherein the protruding ridge is formed in the main body section and the tapered section, the protruding ridge is formed at narrower intervals in the tapered section than in the main body section, and an angle between the rotation axis and the protruding ridge in the tapered section is closer to a right angle than an angle between the rotation axis and the protruding ridge in the main body section.