Electric control or signaling device
US8969740B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 19, 2012 |
| Grant date | Mar 3, 2015 |
| Priority date | — |
| Expiry date | Mar 1, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02B1/044
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An electric control or signaling device to be assembled through an opening formed in a wall, and including a tubular metal body which is to engage with a first surface of the wall, wherein the body includes a threaded cylindrical portion to be inserted into the opening and an attachment device including a metal clamping ring to be screwed onto the threaded cylindrical portion of the body to attach the control or signaling device through the opening, and a metal attachment plate to be applied against a second surface of the wall opposite the first surface by the clamping ring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.