Rotating barrier
US7627984B2 · kind B2 · utility
5Cited by
20References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 9, 2006 |
| Grant date | Dec 8, 2009 |
| Priority date | — |
| Expiry date | Sep 5, 2027 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B11/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A rotating barrier for a gateway includes a shaft mounted on a carrier. The shaft has fastened thereto at least one blocking arm which extends across the gateway in the blocking position. The blocking arm includes a sensor which detects a force exerted on the blocking arm in the blocking position and actuates a safety device when a given force is exceeded.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.