Carbon fiber commutator brush for a toner developing device and method for making
US6289187A · kind A · utility
13Cited by
9References
21Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 4, 1999 |
| Grant date | Sep 11, 2001 |
| Priority date | — |
| Expiry date | Feb 4, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/23929
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A commutator brush having carbon fibers encased in a resin matrix and extending outwardly therefrom and a method of making thereof. The carbon fibers are cold cut by a laser beam to minimize heating thereof. The commutative brush is in wiping contact with electrodes on a donor roll used in a development system of an electrophotographic printing machine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.