Trough hatch locking device

Details Trough hatch locking device Trough hatch locking device

1975-06-11

1977-01-04

Spar, Robert J.

Railway rolling stock

Special car bodies

Freight

114203, 2922565, 292257, B61D 3900

Patent

active

040007030

ABSTRACT:
A hinged hatch cover for the longitudinal hatch opening of a railway hopper car includes a hinged hold down arm which is adapted to be moved into a lock position relative to the hatch cover, the hold down arm including a projecting end portion which is engaged by a manually movable lever slidably supported on a pedestal, the same being engageable with the hold down arm for releasably securing the hatch cover in a lock and sealing position relative to the hatch opening.

REFERENCES:
patent: 2745362 (1956-05-01), Lunde
patent: 2816683 (1957-12-01), Miers et al.
patent: 3797411 (1974-03-01), Nagy et al.
patent: 3800714 (1974-04-01), Stark et al.
patent: 3848912 (1974-11-01), Jensen et al.

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