Squirrel shield device
US5679922A · kind A · utility
21Cited by
13References
42Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 3, 1995 |
| Grant date | Oct 21, 1997 |
| Priority date | — |
| Expiry date | May 3, 2015 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02G7/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a shield which prevents squirrels or other animals from causing faults in power distribution substations. Switch and bus insulators are primary points of contact when a small animal crawls from a grounded, supporting structure across an insulator to an energized conductor. The present invention provides for a barrier on switch and bus insulators which prevents animals from coming into contact with a grounded structure and an energized conductor simultaneously, thus eliminating a ground path from the energized conductor through the animal to the grounded structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.