Roof-top accessory bar, and methods of constructing and utilizing same
US4823996A · kind A · utility
3Cited by
13References
10Claims
0Family size
Inventor
Key dates
| Filing date | Jul 24, 1987 |
| Grant date | Apr 25, 1989 |
| Priority date | — |
| Expiry date | Jul 24, 2007 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60Q1/2611
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A roof-top accessory unit for vehicles having one or more safety devices, such as lights or sirens, fitted thereto. The bar is capable of movement to either a lowered or a raised position, to allow underpassage of the vehicle through places of restricted height such movement being made manually or electrically. According to the manual embodiment, the bar is locked into its raised position by releasable latches. According to the electric embodiment, the bar is locked into either its lowered or raised positions by an electric-solenoid operated locking mechanism.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.