Powder conveying device, process cartridge, and image forming apparatus
US9405227B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2015 |
| Grant date | Aug 2, 2016 |
| Priority date | — |
| Expiry date | May 4, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G21/105
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A powder conveying device, including: a powder conveying path including a curved portion; and a conveying screw, wherein the conveying screw is disposed in the powder conveying path, and includes: a rotation axis portion having flexibility; and a blade portion, where the blade portion is helically formed on an outer periphery of the rotation axis portion, and is configured to convey a powder, wherein the conveying screw includes a conveying screw curved portion located in the curved portion of the powder conveying path, and wherein at least a surface of the blade portion of the conveying screw curved portion includes a slipping layer containing a silicon-containing compound.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.