Door locking mechanism for hopper car doors

Details Door locking mechanism for hopper car doors Door locking mechanism for hopper car doors

1980-10-31

1982-07-13

Love, John J.

Material or article handling

Load-transporting type vehicle and external means...

Involving movement of load by gravity from wheeled vehicle

1052411, 1052412, 414388, B61D 730

Patent

active

043392229

ABSTRACT:
A door locking mechanism for a hopper door includes a latch arrangement which is incorporated into a door closure mechanism activated by a side-of-track camming mechanism. The arrangement includes an actuating device responsive to car wheel engagement and a safety locking combination cooperating with the actuating mechanism.

REFERENCES:
patent: 1594863 (1926-08-01), Warner
patent: 1641855 (1927-09-01), Lamont
patent: 1781259 (1930-11-01), Welsh et al.
patent: 2616576 (1952-11-01), Sanford et al.
patent: 3321093 (1967-05-01), Arbel
patent: 3452886 (1969-07-01), D'Orey
patent: 4051960 (1977-10-01), Raksanyi
patent: 4207020 (1980-06-01), Schuller

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