Metal-graphite brush and production method thereof
US6758881B2 · kind B2 · utility
1Cited by
7References
12Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Mar 25, 2003 |
| Grant date | Jul 6, 2004 |
| Priority date | — |
| Expiry date | Mar 25, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R43/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Ag particles produced by chemical reduction and having a mean particle size of 5 &mgr;m are added by 0.05-3 wt % and Zn are added by 2-10 wt % to a Pb-less brush body containing graphite, Cu and a metal sulfide solid lubricant of a metal-graphite brush.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.