Powder container and image forming apparatus
US11506992B2 · kind B2 · utility
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13Claims
0Family size
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Key dates
| Filing date | Jun 3, 2021 |
| Grant date | Nov 22, 2022 |
| Priority date | — |
| Expiry date | Jun 3, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0891
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A powder container includes a container body, a spiral projection, and a convex portion. The container body stores powder and is rotatable around an axis of the container body. The spiral projection is inside the container body. The convex portion includes a flat surface portion and protrudes inward from an inner wall surface of the container body. A virtual plane including the flat surface portion passes through the axis.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.