Trough hatch locking device

Details Trough hatch locking device Trough hatch locking device

1975-07-14

1977-09-06

Makay, Albert J.

Railway rolling stock

Special car bodies

Freight

292128, 2922565, B61D 3900

Patent

active

040460827

ABSTRACT:
A locking device for railway hopper cars having continuous trough hatch openings and a plurality of associated hinged covers arranged end-to-end. Hold-down arms, also pivotally mounted, are positioned to overlap and seal adjacent hatch cover ends. Each hold-down arm has a spring loaded, locking latch with a keeper hook for automatically engaging an associated keeper lug mounted to the hopper car adjacent the hatch opening. The locking hatch has an upper flange that may be foot engaged to unlock the hold-down arm by pivoting the locking latch to disengage the keeper hook from the keeper lug.

REFERENCES:
patent: 978658 (1910-12-01), Schnell
patent: 2161542 (1939-06-01), Titus
patent: 2835211 (1958-05-01), Abel
patent: 3472194 (1969-10-01), Rozanski

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