Railroad vehicle

Details Railroad vehicle Railroad vehicle

1981-04-30

1983-06-21

Reeves, Robert B.

Railway rolling stock

Special car bodies

Freight

220314, 220324, 292257, 292258, 292259R, B61D 712, B61D 3900, B65D 4524

Patent

active

043888739

ABSTRACT:
A closed railroad hopper car for solid commodities is loaded through hatches at its top. A pivoted lid or cover on each hatch is held shut by a single quick-acting cam lever. A catch prevents pressure in the car from throwing the hatch cover open when the tension from the cam lever is released. The hatch cover cannot be opened until after the cam lever is moved transversely out of contact with the catch.

REFERENCES:
patent: 1894657 (1933-01-01), Willoughby
patent: 2660752 (1953-12-01), Carcereny
patent: 2930305 (1960-03-01), Sullivan
patent: 4000703 (1977-01-01), Halliar
patent: 4040363 (1977-08-01), Walk et al.
patent: 4126094 (1978-11-01), Zimmerle et al.
patent: 4132327 (1979-01-01), Van Dyke et al.
patent: 4248160 (1981-02-01), Carney, Jr. et al.
patent: 4307670 (1981-12-01), Nadherny

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