Charging apparatus and process cartridge
US5678141A · kind A · utility
9Cited by
9References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 30, 1994 |
| Grant date | Oct 14, 1997 |
| Priority date | — |
| Expiry date | Jan 30, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0208
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A charging apparatus includes a charging surface for charging a member to be charged, wherein a voltage is applied between the charging apparatus and the member to be charged; and projections for contacting the charging apparatus substantially at three positions to the member to be charged to closely face a charging surface to the member to be charged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.