Shield for charging device in xerographic printing device having reduced rate of contamination
US7251439B2 · kind B2 · utility
1Cited by
5References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 29, 2005 |
| Grant date | Jul 31, 2007 |
| Priority date | — |
| Expiry date | Jul 29, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/0291
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A xerographic printing device, including a charging device having a shield. In some embodiments of the shield of the charging device in the xerographic printing device, a plurality of holes are provided in an evenly spaced linear fashion extending nearly a full length of the charging device shield on a downstream process side of the charging device shield. The charge device can be a corotron, a dicorotron, a scorotron, a discorotron, a pin corotron, a pin scorotron, or any other known or later developed charging device of that type.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.