Double pole sliding contact trigger switch with sequential auxiliary butt contacts
US4206333A · kind A · utility
11Cited by
2References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 17, 1978 |
| Grant date | Jun 3, 1980 |
| Priority date | — |
| Expiry date | Aug 17, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H13/64
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A double pole sliding contact trigger switch is disclosed having auxiliary butt contact means for affording sequential actuation of a pair of switches in a single housing. Upon depression of the trigger, a double pole switch is closed by sliding bridging contactors to energize a portable tool motor. Upon further depression of the trigger, a single pole switch is closed by a butting bridging contactor to energize a solenoid in the tool.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.