Anti-static switch lock
US4405843A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 16, 1981 |
| Grant date | Sep 20, 1983 |
| Priority date | — |
| Expiry date | Jul 16, 2001 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05F3/02
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An improved anti-static switch lock of the type having a key-operated plug rotatably located within a lock barrel, A nonconductive switch adapting hub connected to the lock barrel and a switch affixed to the hub, actuable upon rotation of the plug. The improvement consisting of a hub and plug design wherein the hub is connected to the lock barrel by resilient legs which engage an annular shoulder within the barrel and the plug extends from the barrel such that it prevents the legs from disengaging the shoulder. A biasing means interconnects the hub and one of the hub legs to bias the rotation of the plug and the switch to a desired position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.