Wire form locking means for detachable air hose couplings of rai

Details Wire form locking means for detachable air hose couplings of rai Wire form locking means for detachable air hose couplings of rai

1974-12-17

1976-03-02

Wood, Jr., M. H.

Railway draft appliances

Couplings

Combined car and air train line

285 69, F16L 3500

Patent

active

039412547

ABSTRACT:
Air hose couplings for railway cars are prevented from uncoupling by wire form locking means reacting between the body of one coupling and the lip of the other coupling. In certain embodiments a wire form is an integral part of the air hose coupling assembly and has a laterally extending arm for manual unlocking. In another embodiment a detachable bifurcated wire form is applied to coupled air hose couplings after a train is made up and may be discarded when the respective cars are uncoupled. Alternatively, the detachable wire form also can be mounted on the clamp that secures the air hose to the coupling, or on a clamp that fits over the hose clamp, or mounted directly on the main body portion of a coupling.

REFERENCES:
patent: 466521 (1892-01-01), Fitts
patent: 1249074 (1917-12-01), Haldeman
patent: 1619464 (1927-03-01), Eichorn
patent: 3023031 (1962-02-01), Dobrikin
patent: 3052489 (1962-09-01), Stoudt
patent: 3807774 (1974-04-01), Heath
patent: 3879066 (1975-04-01), Kozinski

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