Developing device with a magnetic brush turning plate
US4980728A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Aug 29, 1988 |
| Grant date | Dec 25, 1990 |
| Priority date | — |
| Expiry date | Aug 29, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/09
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A developing device for a copier is comprised of a developer roller having a shaft rotatably supported by its developing tank and a magnet structure affixed to this supporting shaft and having a plurality of magnet poles on its external peripheral surface. An arcuate brush forming plate is disposed between the developer roller and the photoreceptor of the copier. One end of this plate is formed to scrape developing agent attached to the developer roller such that it can be transported onto this brush forming plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.