Charging member having a cavity, charging device, process unit, and image forming apparatus having such a charging member
US5541711A · kind A · utility
13Cited by
6References
28Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 18, 1992 |
| Grant date | Jul 30, 1996 |
| Priority date | — |
| Expiry date | Mar 18, 2012 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G2221/183
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A charging member includes an electrode to be supplied with a voltage; a surface layer contactable to a member to be charged; and wherein a cavity is provided between the electrode and the surface layer. The cavity extends in a circumferential direction of the charging member and/or the cavity has a configuration to provide a substantially constant state of contact between the charging member and the member to be charged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.