Stand for a remotely operated road sign
US5422638A · kind A · utility
49Cited by
11References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 1994 |
| Grant date | Jun 6, 1995 |
| Priority date | — |
| Expiry date | Feb 24, 2014 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F9/662
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A conventional STOP/SLOW traffic control sign mounted on a pole is supported and remotely operated by a portable stand having a tubular support mounted on a foldable frame which also carries a remotely controlled drive assembly so that the sign can be operated at a safe distance even by a person with disabilities.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.