Flexible road safety-guard
US6220576A · kind A · utility
Inventor
Key dates
| Filing date | Mar 31, 1999 |
| Grant date | Apr 24, 2001 |
| Priority date | — |
| Expiry date | Mar 31, 2019 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F15/0453
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A flexible road safety-guard is provided. The road safety-guard has a base 1, an upright column 2, a safety-guard 3 and connectors. The base 1 is positioned at the lower end of the upright column 2 forming an integrated whole therewith. Mounting holes are provided in the safety-guard. Each of the upright column, the base and the safety-guard is made of Rotational Grade Polyethylene material by slush molding and has hollow structure. Male and female die block interfaces are formed respectively at each end of the safety-guard along its length, that is, one end is an insert interface having smaller outer profile and the other end is a mating interface which engages with the insert interface. The safety-guard 3 has a cross-sectional shape which is substantially flat on one side and contoured on an opposite side, the contoured side having vertically spaced arcuate portions interconnected by a flattened portion. The present utility invention is extremely flexible, so that in the event of a vehicle crash it has extremely high shock absorption to eliminate to the utmost energy generated by the shock. Meanwhile, it can greatly reduce the damage to the vehicle as well as the injuries or deat…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.