Trigger operated tool handle switch
US4256942A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 27, 1978 |
| Grant date | Mar 17, 1981 |
| Priority date | — |
| Expiry date | Nov 27, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01R4/48
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electrical switch having spaced stationary contacts and a contact carrier carrying a bridging contact in linear reciprocation relative to the stationary contacts, with the bridging contact biased toward the stationary contacts. The bridging contact has spaced opposite contacting ends forming a leading contact end and a trailing contact end for sliding movement between a bridging position where the contacting ends contact their respective stationary contacts, and a non-bridging position where the leading contact end is out of engagement with its stationary contact. The bridging contact is rotatably hinged to the contact carrier and a projection is disposed between the stationary contacts for engagement with the leading contact end for pivoting and lifting the leading contact end from its stationary contact in coaction with the hinged connection with a quick break action during movement of the contact carrier to the non-bridging position. Each conductor wire connected to the switch is releasably secured therein by a spring-like retainer blade biased diagonally against the wire. Each retainer blade has a release arm for deactivating the retainer blade thus permitting easy withdrawa…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.