Cam actuated railway hopper car door operating mechanism

Details Cam actuated railway hopper car door operating mechanism Cam actuated railway hopper car door operating mechanism

1978-05-01

1980-11-11

Beltran, Howard

Material or article handling

Load-transporting type vehicle and external means...

Involving movement of load by gravity from wheeled vehicle

1052412, 105251, 105255, 105308B, 105308P, 414378, B61D 708, B61D 718, B61D 730

Patent

active

042329892

ABSTRACT:
A door operating mechanism for a bottom dump railway hopper car including a plurality of longitudinally mounted, divergently opening discharge doors held in the closed position by a plurality of longitudinally spaced claw-like latches. Each pair of transversely opposite latches includes operating rods connecting each latch to a bell-crank positioned beneath the longitudinal hood of the car. The bell-cranks are operatively connected to a longitudinally disposed tension rod, which includes linkages at either end for actuation of the mechanism by trackside mounted cams.

REFERENCES:
patent: 789155 (1905-05-01), Kiesel, Jr.
patent: 1266630 (1918-05-01), Ross et al.
patent: 1536268 (1925-05-01), Rasmussen
patent: 1574023 (1926-02-01), Crompton et al.
patent: 1631758 (1927-06-01), Rasmussen
patent: 1686590 (1928-10-01), Wine
patent: 2696999 (1954-12-01), Rop
patent: 3631814 (1972-01-01), Shaver
patent: 4051960 (1977-10-01), Raksanyi
patent: 4138948 (1979-02-01), Korolis

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