Magnetic brush developing device
US4048958A · kind A · utility
5Cited by
7References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 8, 1976 |
| Grant date | Sep 20, 1977 |
| Priority date | — |
| Expiry date | Mar 8, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0921
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A magnetic brush developing device comprising a developing roller including a cylindrical stationary magnet and a sleeve rotatably mounted around the magnet, the developing roller being disposed adjacent the surface of a latent image bearing member, the cylindrical magnet having a developing magnetic pole facing the surface of the latent image forming member and transporting magnetic poles respectively disposed above and below the developing magnetic pole in adjacent relation thereto, the transporting magnetic poles being narrower in width than and having an opposite polarity to the developing magnetic pole.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.