Safety coupler-air brake interlock

Details Safety coupler-air brake interlock Safety coupler-air brake interlock

1992-06-11

1994-03-29

Graham, Matthew C.

Fluid-pressure and analogous brake systems

Load control

Railway vehicle

105159, 410 80, 303 227, B60F 104, B60T 818

Patent

active

052978583

ABSTRACT:
A safety interlock for an intermodal train has a locking pin shiftable for locking a coupling pin in a coupling position. An air valve is associated with the locking pin for providing an air pressure signal when the locking pin is retracted, which signal actuates another air valve for venting the brake pipe of a braking system.

REFERENCES:
patent: 284154 (1883-08-01), Wilson
patent: 2963986 (1960-12-01), Dobson
patent: 3552325 (1971-01-01), Enochian
patent: 4416571 (1983-11-01), Krause
patent: 4792269 (1988-12-01), Engle

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