Electrical and fluid control switches
US4251698A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Apr 6, 1978 |
| Grant date | Feb 17, 1981 |
| Priority date | — |
| Expiry date | Apr 6, 1998 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01H3/0206
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The combined electrical and fluid control switch comprises a casing, a carriage movable therein for operating electrical switching means and fluid control means in the casing, valve ports in the rear casing wall and connecting with nipples thereon, a rearwardly projecting connector locating post on the rear wall adjacent the nipples, detent recesses alternating with detent bumps on the rear side of the carriage, a detent ball engageable with the detent recesses and bumps and guided in a bore in the post, and a coil spring compressed in the bore behind the wall. The front casing wall may have a guide slot for slidably receiving a pair of guide tabs projecting forwardly from the carriage, a gap being provided between the tabs for receiving an operating member, the front casing wall being formed with a notch along the guide slot for entry of the operating member.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.