Movable or removable closures – With means mounting closure for reciprocation – With latch or lock
Patent
1974-05-10
1976-09-07
Downey, Kenneth
Movable or removable closures
With means mounting closure for reciprocation
With latch or lock
49218, 49219, 292207, E05D 1510
Patent
active
039786188
ABSTRACT:
A box car anti-pilferage device for plug doors mounted a sufficient distance above the rail whereby the device is usually beyond the reach of thieves standing on the ground in a railroad yard. The device includes a first plate having at least one opening therein mounted upon the door, and a second, movable plate having at least one opening therein mounted upon the plug door operating rod. The second plate obtains a position adjacent but spaced from the first plate when said box car door is in closed position. A locking member is mounted upon one of the first and second plates, and is biased toward a locked position passing through the openings in the first and second plates. The locking member is manually movable from said locked position to an open position out of engagement with one of the openings. A stop maintains the locking member in the open position during initial rotation of said operating rod from a door closed position toward a door open position. A tripping device moves the locking member to a tripped position engaging a surface on one of the first and second plates. The locking member because of the bias automatically assumes the locked position engaging the openings in the plates.
REFERENCES:
patent: 364456 (1887-06-01), Wesler
patent: 1058829 (1913-04-01), Wilson
patent: 3337994 (1967-08-01), Olander
ACF Industries Incorporated
Cummings Henry W.
Downey Kenneth
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