Hopper door locking and actuating mechanism

Details Hopper door locking and actuating mechanism Hopper door locking and actuating mechanism

1977-09-06

1979-08-07

Makay, Albert J.

Railway rolling stock

Special car bodies

Dumping

105290, 105296, 105304, 105310, B61D 702, B61D 718, B61D 726, B61D 4900

Patent

active

041634241

ABSTRACT:
Both an operating link and a locking hook member are secured on a shaft rotatably mounted on a hopper door. The hook member cooperates with a locking lug fixed relative to the hopper for securing the door closed. The operating link is both pivoted and pushed or pulled by a crank actuated by retainable handles for operating the hook member and opening and closing the door.

REFERENCES:
patent: 1041864 (1912-10-01), Ostrander
patent: 1065218 (1913-06-01), Clark
patent: 2080845 (1937-05-01), Yost
patent: 3109389 (1963-11-01), Karlsson
patent: 3187685 (1965-06-01), Floehr
patent: 3440671 (1969-04-01), Smulders
patent: 3440761 (1969-04-01), Floehr
patent: 3656437 (1972-04-01), Kuzmicki

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