Development device and image forming apparatus incorporating same
US9046821B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 22, 2013 |
| Grant date | Jun 2, 2015 |
| Priority date | — |
| Expiry date | Oct 22, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0893
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device to develop with two-component developer an electrostatic latent image includes a developer bearer to carry thereon developer supplied to the latent image bearer, a first conveyance channel disposed adjacent to the developer bearer, a second conveyance channel disposed adjacent to the first conveyance channel and farther from the developer bearer than the first conveyance channel, a first conveying member disposed in the first conveyance channel to agitate and transport developer supplied to the developer bearer, a second conveying member including a spiral blade winding around a shaft to transport developer in the second conveyance channel in a predetermined developer conveyance direction, and a collected-developer guide to guide a part of developer that leaves the developer bearer to the second conveyance channel beyond the first conveyance channel.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.