Mechanical shunt for use in a socket in a string of lights
US7554266B1 · kind B1 · utility
70Cited by
47References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jul 11, 2008 |
| Grant date | Jun 30, 2009 |
| Priority date | — |
| Expiry date | Jul 11, 2028 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21W2121/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A mechanical shunt for use in a socket of a string of lights resides in an otherwise typical lamp of a string of lights. The present shunt is a horizontal spring held in position by a shunt holder between the two conducting terminals on the interior walls of the socket so that the lateral ends of the shunt contact the terminals when the base is removed. When the base is inserted, a depending prong on the bottom of the base presses the shunt into a V-shaped surface formed in the shunt holder to pivot the lateral ends away from the terminals and allow current to flow through the Dumet wires to the filament.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.