Trackside door closing arrangement for railway hopper cars

Details Trackside door closing arrangement for railway hopper cars Trackside door closing arrangement for railway hopper cars

1977-08-12

1978-10-17

Sheridan, Robert G.

B61D 730

Patent

active

041204123

ABSTRACT:
A trackside door closing arrangement for closing the swinging doors of a railway hopper car includes a pair of pneumatic tires and wheels mounted on a pivot arm. The tires are interconnected for rotation in concert and during engagement with the doors, swing them inwardly to a closed position.

REFERENCES:
patent: 1266630 (1918-05-01), Ross et al.
patent: 3836023 (1974-09-01), Peterson et al.
patent: 3951077 (1976-04-01), Miller

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