Combination hatch cover having supplemental locking arrangement

Details Combination hatch cover having supplemental locking arrangement Combination hatch cover having supplemental locking arrangement

1977-06-13

1978-11-21

Makay, Albert J.

Railway rolling stock

Special car bodies

Freight

49193, 292113, 292250, B61D 3900

Patent

active

041260945

ABSTRACT:
In a combination hatch cover for railway car roofs,including a large cover having a smaller cover mounted thereon, each having their own separately operable latch, a supplemental locking arrangement is provided to maintain the small cover in closed position when the latch cover is moved to open position resting on the car roof.

REFERENCES:
patent: 900672 (1908-10-01), Egan
patent: 1005825 (1911-10-01), Gillett et al.
patent: 1790307 (1931-01-01), Kadel
patent: 2547859 (1951-04-01), Duffie et al.
patent: 2835211 (1958-05-01), Abel
patent: 4040363 (1977-08-01), Walk et al.

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