Charging device, and process cartridge and image forming apparatus including the charging device using the same
US7218877B2 · kind B2 · utility
7Cited by
9References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 30, 2006 |
| Grant date | May 15, 2007 |
| Priority date | — |
| Expiry date | Mar 30, 2026 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0225
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A charging device including a charging roller having a metal cylinder and an elastic layer located thereon, and a cleaner for cleaning the surface of the charging roller. The cleaner includes a driving shaft and a cleaning roller which is rotatably mounted on the driving shaft. The cleaning roller is made of a non-cellular foam resin having a density of from 5 to 15 kg/m3 and a tensile strength of from 1.2 to 2.2 kg/cm2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.