Pivoted railway hopper car door latching mechanism

Railway rolling stock – Special car bodies – Dumping

Patent

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Details

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

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