Process unit for image forming apparatus, including a charging brush
US5060016A · kind A · utility
14Cited by
11References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 15, 1988 |
| Grant date | Oct 22, 1991 |
| Priority date | — |
| Expiry date | Jul 15, 2008 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/183
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A process unit to be loaded into an image forming apparatus, includes at least a photosensitive drum to be rotated and a conductive brush type charger for uniformly charging a surface of the photosensitive drum. The conductive brush fibers having tips which touch the surface of the photosensitive drum and apply a charge voltage of 500 V to 1,500 V to the surface of the photosensitive drum through the conductive brush fibers for uniformly charging the surface of the photosensitive drum.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.