Developing device
US4368971A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 1981 |
| Grant date | Jan 18, 1983 |
| Priority date | — |
| Expiry date | Oct 2, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2215/0636
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
In a dry type developing device having a magnetic field producing means, nonmagnetic developer supporting means, means for moving said magnetic field producing means and said nonmagnetic developer supporting means relative to each other, and means for supplying developer to that side of the nonmagnetic developer supporting means which is opposite to the magnetic field producing means, the surface of the nonmagnetic developer supporting means which is adjacent to the developer supply means is provided with plating containing grains therein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.