Hopper car discharge gate operating mechanism

Details Hopper car discharge gate operating mechanism Hopper car discharge gate operating mechanism

1979-08-20

1982-05-11

Oresky, Lawrence J.

Material or article handling

Load-transporting type vehicle and external means...

Involving movement of load by gravity from wheeled vehicle

1052412, B65G 6700

Patent

active

043291066

ABSTRACT:
A hopper car discharge gate operating mechanism providing a toggle or over center linkage mechanism with one link having a roller extending outwardly of the hopper vehicle and engageable with a trackside operating cam for opening and closing the hopper gates. The roller is mounted on a support arm that is carried by a mechanism link and held with a locking pin in such a manner to allow the locking pin to break and release the arm in the event the doors are jammed closed. The operating mechanism also includes a biasing spring for automatically returning the doors to a closed position after the hoppers are emptied.

REFERENCES:
patent: 2268290 (1941-12-01), Landis
patent: 3540605 (1970-11-01), Nagy
patent: 3872796 (1975-03-01), Adler
patent: 4051960 (1977-10-01), Raksanyi

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