Railraod hopper car door actuating mechanism

Details Railraod hopper car door actuating mechanism Railraod hopper car door actuating mechanism

1991-11-25

1993-10-05

Le, Mark T.

Railway rolling stock

Special car bodies

Dumping

105240, 105299, 105286, B61D 700

Patent

active

052495310

ABSTRACT:
An actuating system for operating the doors of a railroad hopper car. A plurality of levers for each hopper operate to rotate the doors of the hopper between an open and a closed position. The mechanism applies a tension force, rather than a compressive force, to push the doors closed. The mechanism also provides an over center latch to positively close each door. The mechanism may be used on either single or double hopper doors.

REFERENCES:
patent: 3173381 (1965-03-01), Charles et al.
patent: 3187684 (1965-06-01), Ortner
patent: 3408956 (1968-11-01), Rebenok et al.
patent: 3483830 (1969-12-01), McGrath
patent: 3611947 (1971-10-01), Nagy
patent: 3815514 (1974-06-01), Heap
patent: 3818842 (1974-06-01), Heap
patent: 4601244 (1986-07-01), Fischer

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