Developing device and image forming apparatus using the same
US8412077B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 1, 2010 |
| Grant date | Apr 2, 2013 |
| Priority date | — |
| Expiry date | Jun 2, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0838
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The developing device includes: a developing container for storing a developer; first and second conveying passages that are formed in the developing container and sectioned by a partition; first and second conveying members disposed inside the first and second conveying passages, respectively, to agitate and circulatively convey the developer through the first and second conveying passages in opposite directions; a developing roller that supplies the developer in the second developer conveying passage to a photoreceptor drum; first and second communication paths that connect between the first and second conveying passages at both ends of the partition; and, a developer flow regulator that regulates the flow of developer moving from the first conveying passage to the second conveying passage, in accordance with the height of the developer surface of the developer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.