Derailment detector

Details Derailment detector Derailment detector

1973-08-03

1976-02-17

Reger, Duane A.

Railway switches and signals

Cab signal or train control

Derailment

303 1, B60T 712, B61H 1102

Patent

active

039387658

ABSTRACT:
A safety device for initiating an air brake application attached to or integral with the side frame of a railway car truck in proximity to the rail consisting of a hollow shoe or casting communicating with the air brake train line and adapted to make contact with the rail and fracture upon derailment venting the train line air to the atmosphere.

REFERENCES:
patent: 493661 (1893-03-01), Spearing
patent: 493662 (1893-03-01), Spearing
patent: 1234712 (1917-07-01), Allen
patent: 1388483 (1921-08-01), Rasnick et al.
patent: 1497212 (1924-06-01), Hough et al.
patent: 1508216 (1924-09-01), Campell
patent: 1559809 (1925-11-01), Tonkinson

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