Electric switch
US4203017A · kind A · utility
36Cited by
5References
3Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 24, 1978 |
| Grant date | May 13, 1980 |
| Priority date | — |
| Expiry date | Jul 24, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H23/22
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A rocker type electric switch operated by pressure on a knob which actuates a spring biased plunger that exerts a switch closing force on a movable switch contact element, in combination with means for preventing said plunger from forcing said element to the switch closed position until the knob and plunger have been rotated through a predetermined angle to a preselected position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.