Image forming apparatus having a developing device with a magnet brush
US6597885B2 · kind B2 · utility
24Cited by
9References
68Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 5, 2001 |
| Grant date | Jul 22, 2003 |
| Priority date | — |
| Expiry date | Jun 5, 2021 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0921
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An image forming apparatus including a developing device and an image carrier facing the developing device. The developing device includes a main magnetic pole for causing a developer to magnetically deposit on an outer periphery of a developer carrier in a form of a magnet brush. The image carrier has a coefficient of friction of 0.5 or below, and a flux density in a normal direction has an attenuation ratio of 40% or above.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.