Electric motor brush holder for suppressing audible and electromagnetic noise
US6707220B1 · kind B1 · utility
0Cited by
22References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 3, 2003 |
| Grant date | Mar 16, 2004 |
| Priority date | — |
| Expiry date | Apr 5, 2023 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R39/46
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A brush holder 10 is provided for holding a hammer brush 12 of an electric motor. The brush holder includes a single piece of wire bent to define a brush-engaging portion 14 define an opening 15, and a torsion spring structure 16 connected to and spaced from the brush-engaging portion. The brush-engaging portion is constructed and arranged to prevent rotation of the hammer brush when coupled therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.