Multistage rotary switch
US4481386A · kind A · utility
6Cited by
4References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 18, 1982 |
| Grant date | Nov 6, 1984 |
| Priority date | — |
| Expiry date | Oct 18, 2002 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H19/64
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A multistage rotary switch with several wafers, is provided with one case member with fixed contacts per switch wafer and one rotor with the movable contacts. The rotor is axially acted upon by the contact springs. The edges of the case members adjoining one another, are provided with centering grooves of the same type, in which a centering ring is inserted, and the centering ring and rotor are made from a low-friction plastic material.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.