Retaining structure of brush spring of electric motor
US5053665A · kind A · utility
9Cited by
6References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 8, 1990 |
| Grant date | Oct 1, 1991 |
| Priority date | — |
| Expiry date | Aug 8, 2010 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R39/381
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention offers a retaining structure of a brush spring of an electric motor, whereby a brush spring is allowed to be mounted in a normal direction only, thus avoiding abrasion of a brush or unexpected halt of the electric motor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.