Hopper car door latching arrangment

Details Hopper car door latching arrangment Hopper car door latching arrangment

1978-04-17

1980-06-10

Beltran, Howard

Material or article handling

Load-transporting type vehicle and external means...

Involving movement of load by gravity from wheeled vehicle

1052412, 105250, 105308P, 105310, B61D 718, B61D 730, B65G 6724

Patent

active

042070201

ABSTRACT:
An open top railway hopper car is provided with longitudinal center dump discharge openings closed by hinged clam shell type of doors. The doors include an arm and linkage arrangement pivoted to the hopper car structure for continually urging the doors to a closed position. The arm and linkage arrangement is opened by means of side of track cams. Locking for each of the doors is provided by means of a locking pawl engaging stops provided on door brackets which preclude opening of the doors during transport. Opening actuation of the arm and linkage arrangement provides for initial displacement of the locking pawls thereby permitting the doors to continue to their open position.

REFERENCES:
patent: 1266630 (1918-05-01), Ross et al.
patent: 1847516 (1932-03-01), Knepper
patent: 1851695 (1932-03-01), Dendler
patent: 3121405 (1964-02-01), Smith
patent: 3786764 (1974-01-01), Beers, Jr. et al.
patent: 4046268 (1977-09-01), Adler

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