Pneumatic coupling having a latching mechanism and a bleed-off v

Details Pneumatic coupling having a latching mechanism and a bleed-off v Pneumatic coupling having a latching mechanism and a bleed-off v

1987-08-06

1988-08-16

Chambers, A. Michael

Valves and valve actuation

With correlated flow path

Flow path joint interlocked with valve or actuator

285 87, 303 47, 303 86, 213 75R, 246169R, F16L 3728

Patent

active

047638753

ABSTRACT:
A brake hose coupling having a locking mechanism and a pressure relief valve for connecting a telemetry unit to the air brake pipe line of a railway train. The locking mechanism positively latches the brake hose coupling to the "glad hand" brake pipe hose coupling and causes the venting of the entrapped pneumatic pressure by the relief valve when the locking mechanism is unlatched.

REFERENCES:
patent: 1106431 (1914-08-01), Westinghouse
patent: 1404102 (1922-01-01), Dubois
patent: 1770570 (1930-07-01), Costello
patent: 1790186 (1931-01-01), Whtaker
patent: 2121774 (1938-06-01), Ham
patent: 3215456 (1965-11-01), Schmid
patent: 4125279 (1978-11-01), Scott
patent: 4129323 (1978-12-01), Wilson
patent: 4487060 (1984-11-01), Pomeroy
patent: 4520662 (1985-06-01), Schmid
patent: 4641892 (1987-02-01), Schmid

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