B - Operations – Transporting – 60 – R
Patent
B - Operations, Transporting
60
R
B60R 21/34 (2006.01) B60Q 1/52 (2006.01) B60R 19/56 (2006.01) G08B 3/10 (2006.01) G08B 5/22 (2006.01) B60R 19/48 (2006.01) B60R 21/00 (2006.01)
Patent
CA 2107419
ABSTRACT OF THE DISCLOSURE The safety barrier system prevents a person from being caught under a wheel of a vehicle and is provided with a sensing system to inform the driver of the presence of the person on the barrier during start up. The sensing system combines a first sensor (for example, a pressure sensor) with an infrared sensor, and includes a snow switch for selectively using the first sensor and/or the infrared sensor depending on the weather conditions. The barrier is mounted to the vehicle by a motor drive mechanism to lower the barrier when stopped and to raise the barrier after the vehicle has travelled a given distance. The system is particularly suitable for school buses. 14
Anglehart James
Dodd Ian
Bbi Fibre Technologies Inc.
Robic
LandOfFree
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