Electric commutator-switch and method for assembling it
US4006526A · kind A · utility
4Cited by
2References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 27, 1975 |
| Grant date | Feb 8, 1977 |
| Priority date | — |
| Expiry date | May 27, 1995 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49105
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The central element of the tumbler is hollowed to receive a hollow spring element and a piston whose ends are similar and symmetrical. One of the ends of the piston cooperates with the spring element and the other end cooperates with a contact forming element. The piston is bored with an axial groove.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.