Powder conveying apparatus
US8090300B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Jul 27, 2007 |
| Grant date | Jan 3, 2012 |
| Priority date | — |
| Expiry date | Jul 20, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0827
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A powder conveying apparatus, comprising a powder container for storing powder and a powder agitating/conveying member provided in the powder container, wherein the powder agitating/conveying member includes: a shaft revolving around the axis; a primary conveying blade provided on the external surface of the shaft in such a manner that the powder is conveyed in the first direction toward one side of the axial direction, by revolution in one rotational direction around the axis of the shaft; and a secondary conveying element provided on the external surface of the shaft and located radially inner than a radially outer end of the primary conveying blade in the diameter direction in such a manner that conveying force is applied to part of the powder, which is conveyed in the first direction by the primary conveying blade, in the second direction toward the other side of the axial direction.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.