Rail car coupler interlock

Details Rail car coupler interlock Rail car coupler interlock

1981-02-12

1983-07-05

Stoner, Jr., Bruce H.

Railway draft appliances

Couplings

Combined car and air train line

213109, 213119, 213149, B61G 304, B61G 328, B61G 508

Patent

active

043913806

ABSTRACT:
The invention pertains to a safety interlock for rail car couplers wherein a detent positioned by the rail car compressed air braking system prevents the rail car couplers from being unlocked as long as the rail car brake system is supplied with compressed air. An expansible motor operated detent functions to selectively permit or prevent translation of the coupler pin controlling pivoting of the coupler knuckle.

REFERENCES:
patent: 835560 (1906-11-01), Schatzka
patent: 1636157 (1927-07-01), Tomlinson
patent: 1874653 (1932-08-01), Tatum
patent: 1891659 (1932-12-01), Tomlinson
patent: 1891660 (1932-12-01), Tomlinson
patent: 2408653 (1946-10-01), Kinne
patent: 2421153 (1946-05-01), Kinne

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