Developing device and image-forming apparatus using multiple-component developer
US7734227B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 12, 2006 |
| Grant date | Jun 8, 2010 |
| Priority date | — |
| Expiry date | Apr 11, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0607
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device 2a, which is provided with: a developer tank 16 that houses a developer 24 containing a toner, a carrier for charging the toner and reverse polarity particles that are charged with a polarity reversed to the electrostatic charge polarity of the toner by the carrier; a developer-supporting member 11 that supports the developer supplied from the developer tank on the surface thereof, and transports the developer; and a separating mechanism 22 that separates the toner or the reverse polarity particles from the developer supported on the developer-supporting member, and the reverse polarity particles are collected into the developer tank, is provided, and an image-forming apparatus having such a developing device and an image-forming method applied thereto are also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.