Hatch cover seal assembly

Details Hatch cover seal assembly Hatch cover seal assembly

1983-10-26

1985-10-01

Reeves, Robert B.

Railway rolling stock

Special car bodies

Freight

220314, 49485, B61D 1716

Patent

active

045438897

ABSTRACT:
A cover for hopper car hatch openings as provided by railroad car and freight handling equipment. Each hatch opening is provided with a peripherial seal located out of and beneath the hatch opening and a pressure releasing latch for securing the cover against the seal and locking the cover upon the hatch openings.

REFERENCES:
patent: 2141481 (1938-12-01), Mattingley
patent: 2360276 (1944-10-01), Redmond
patent: 3074754 (1963-01-01), Komenda
patent: 3307498 (1967-03-01), Stevens
patent: 3401647 (1968-09-01), Ingram
patent: 4248160 (1981-02-01), Carney, Jr. et al.

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