Trough hatch lock device

Details Trough hatch lock device Trough hatch lock device

1974-10-15

1976-01-27

Wood, Jr., M. H.

Railway rolling stock

Special car bodies

Freight

16 47, 52 45, 220 57, 292175, B61D 3900

Patent

active

039345181

ABSTRACT:
A hopper car roof is provided with a plurality of hatch covers positioned over an elongated trough through which materials are loaded into the car. The hatch covers are locked over the trough by means of a hatch cover locking device which includes a hinge strap adapted to engage adjacent end portions of the trough hatch covers with the strap having an outwardly projecting tab engaged by a locking bar which is tightly held in a closed locking arrangement by means of an improved foot operated latch secured to the hopper roof.

REFERENCES:
patent: 2816683 (1957-12-01), Miers et al.
patent: 3175518 (1965-03-01), Warheit
patent: 3800714 (1974-04-01), Stark et al.

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