Vehicle barrier
US7263803B2 · kind B2 · utility
3Cited by
9References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 16, 2004 |
| Grant date | Sep 4, 2007 |
| Priority date | — |
| Expiry date | Sep 16, 2025 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F13/06
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A barrier is formed such that its barrier arm automatically moves back to its blocking position after forceful opening of the barrier.The barrier arm is pivotally mounted to a barrier post about a horizontal axis. The barrier post is formed to include a swivel joint having a vertical axis around which the barrier arm swivels upon forceful opening.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.