A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
VEHICULAR ACCESS BARRIER ARM APPARATUS AND RELATED METHODS
Methods and apparatus are disclosed for helping to prevent vehicular barrier gate arms from lowering in certain situations (such as if an obstruction such as a person is present), while not impacting the primary operation and function of the barrier arm (which is to lower the arm to prevent unauthorized vehicles from entering/exiting an area).
VEHICULAR ACCESS BARRIER ARM APPARATUS AND RELATED METHODS
Methods and apparatus are disclosed for helping to prevent vehicular barrier gate arms from lowering in certain situations (such as if an obstruction such as a person is present), while not impacting the primary operation and function of the barrier arm (which is to lower the arm to prevent unauthorized vehicles from entering/exiting an area).
VEHICULAR ACCESS BARRIER ARM APPARATUS AND RELATED METHODS
RICHMOND THOMAS R (author) / RICHMOND SUZANNE (author) / KOCHIE PATRICK S (author)
2016-01-28
Patent
Electronic Resource
English
IPC:
E01F
ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
,
Zusätzliche Baumaßnahmen, wie die Ausstattung von Straßen oder die bauliche Ausbildung von Bahnsteigen, Landeplätzen für Hubschrauber, Wegweisern, Schneezäunen oder dgl.
A BARRIER AND METHOD FOR SELECTIVELY RESTRICTING VEHICULAR ACCESS
| European Patent Office | 2020