Railway rolling stock – Special car bodies – Dumping
Patent
1979-09-14
1981-02-03
Beltran, Howard
Railway rolling stock
Special car bodies
Dumping
105308B, 105309, B61D 716, B61D 722, B61D 4900
Patent
active
042481597
ABSTRACT:
A latching mechanism for a railroad car hopper door. The mechanism includes, a pair of hook-like catches mounted adjacent the hopper door, a pair of latches carried by the hopper door for interlockingly engaging the catches, a pawl which engages one of the latches to prevent the latches from becoming disengaged from the catches, and a spring biased plunger for frictionally engaging the pawl to aid in the prevention of movement of the pawl out of the position where it blocks disengagement of the latches from the catches, whereby the hopper door is free to swing to an open position.
REFERENCES:
patent: 964283 (1910-07-01), Link
patent: 1267834 (1918-05-01), Yost
patent: 3238898 (1966-03-01), Floehr
patent: 3240165 (1966-03-01), Floehr
patent: 3240166 (1966-03-01), Floehr
patent: 4119041 (1978-10-01), Hipp
Beltran Howard
Hummer Harlan E.
Midland-Ross Corporation
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