Brush bearing sub-assembly for electric motor
US4593220A · kind A · utility
51Cited by
12References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 12, 1984 |
| Grant date | Jun 3, 1986 |
| Priority date | — |
| Expiry date | Jul 12, 2004 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02K5/148
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A brush bearing sub-assembly for an electric motor includes a generally U-shaped plate having an aperture into which the motor commutator is fitted. The plate includes integral walls on one side for retaining rectangular brushes in correspondingly-shaped brush holders, and springs for biasing each brush towards the central aperture. A circuit pattern imbedded in the plate provides a path for carrying power from power input terminals through the springs to the brushes and motor field windings.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.