Protective safety apparatus for railway cars

Details Protective safety apparatus for railway cars Protective safety apparatus for railway cars

1975-08-21

1976-12-21

Reger, Duane A.

Railway switches and signals

Cab signal or train control

Derailment

303 1, B60T 712, B61H 1102

Patent

active

039984133

ABSTRACT:
Apparatus is disclosed which detects a wheel derailment, detached brake rigging or off center truck of a railway train and automatically switches the air brake system of the train into a state of emergency stop. A pair of synthetic resin tubes with closed lower ends are mounted to a brake bar of each truck and extend outwardly and downwardly toward the track. The tubes are mounted on laterally opposite, interior sides of the wheels. They are connected by flexible air hoses to a manually actuable valve which in turn connects to the main air brake pipe extending longitudinally along the underside of the railway car. The closed ends of the tubes are inwardly and upwardly offset from the rail and positioned for striking the rail or roadbed, rupturing one or more of the tubes and venting the air from the brake line upon the occurrence of one of the above hazardous failures.

REFERENCES:
patent: 1497212 (1924-06-01), Hough et al.
patent: 1559809 (1925-11-01), Tonkinson
patent: 1661920 (1928-03-01), Carley

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