Method and apparatus for performing a charging process on an image carrying device
US6546219B2 · kind B2 · utility
35Cited by
34References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 8, 2001 |
| Grant date | Apr 8, 2003 |
| Priority date | — |
| Expiry date | Feb 8, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/25
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A charge roller that includes a metal core, an elastic member configured wrapped around the metal core, and film members is disclosed. Each of the film members is wrapped around each end of the elastic member in a circumferential direction of the metal core such that at least a part of each of the film members exists at every position around the ends of the elastic member in an axial direction of the metal core. Portions of the film members do not overlap each other in an radial direction of the metal core.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.