Traffic signal head
US4763870A · kind A · utility
28Cited by
14References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 16, 1987 |
| Grant date | Aug 16, 1988 |
| Priority date | — |
| Expiry date | Jun 16, 2007 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/455
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A traffic signal hanger is disclosured in which an elastomeric member is provided intermediate a traffic signal support arm and a traffic signal housing which elastomeric member provides advantagous damped pivoting of the signal housing relative to the support to accommodate wind forces.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.