Railroad car door closure having trackside mounted plural actuat

Details Railroad car door closure having trackside mounted plural actuat Railroad car door closure having trackside mounted plural actuat

1992-12-28

1994-04-05

Oberleitner, Robert J.

Railway rolling stock

Special car bodies

Dumping

105286, 105288, 414387, B61D 730

Patent

active

052995089

ABSTRACT:
A closer for closing the doors of a railroad hopper car has two closer assemblies. The assemblies are mounted adjacent to each rail of a track on a frame which passes below and between the rails. Each assembly includes a hydraulic closer jack, a hydraulic lifting jack and a hydraulic swing motor for orienting the closer jack relative to a door. The jack is extendable to contact a door and push it to a closed position. The jack assemblies can be pivoted 180.degree. by the swing motor to close the door of the forward car and then the rearward car without having to reposition the train.

REFERENCES:
patent: 2623476 (1952-12-01), Corrigan et al.
patent: 3836023 (1974-09-01), Peterson et al.
patent: 3939996 (1976-02-01), Golob et al.
patent: 4011956 (1977-03-01), Green et al.
patent: 4120412 (1978-10-01), Miller et al.
patent: 4235169 (1980-11-01), Peterson
patent: 4522545 (1985-06-01), Peckham

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