Communications: electrical – Land vehicle alarms or indicators – For school bus
Patent
1992-09-30
1994-05-17
Williams, Hezron E.
Communications: electrical
Land vehicle alarms or indicators
For school bus
340903, 340905, B60Q 126
Patent
active
053131894
ABSTRACT:
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.
REFERENCES:
patent: 4260980 (1981-04-01), Bates
patent: 4300116 (1981-11-01), Stahovec
patent: 4518183 (1985-05-01), Lee
patent: 4688656 (1987-08-01), Kent
patent: 4688824 (1987-08-01), Herring
patent: 4694295 (1987-09-01), Miller
patent: 4763939 (1988-08-01), Zhu
patent: 4877266 (1989-10-01), Lamparter et al.
patent: 4956630 (1990-09-01), Wicker
patent: 4983949 (1991-01-01), Wicker
patent: 5042858 (1991-08-01), Schubert et al.
Anglehart James
Dodd Ian
BBI Fibre Technologies, Inc.
Oda Christine K.
Williams Hezron E.
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