Door latch mechanism for bottom dump hopper car

Details Door latch mechanism for bottom dump hopper car Door latch mechanism for bottom dump hopper car

1979-05-31

1981-07-14

Bertsch, Richard A.

Material or article handling

Load-transporting type vehicle and external means...

Involving movement of load by gravity from wheeled vehicle

105239, 105243, 105280, B61D 730

Patent

active

042783828

ABSTRACT:
A bottom dump hopper car includes a pair of closure doors interconnected for conjoint movement. One of the doors is provided with a pivoted arm extending toward the center sill and is in operative engagement with a pivoted locking latch. The latch includes a stop and a follower element and is pivotally moved between door opening and closing position by means of a reciprocating actuation rod containing a cam element engagable with the follower element.

REFERENCES:
patent: 1002994 (1911-09-01), Ingoldsby
patent: 1280152 (1918-10-01), Brown
patent: 1286593 (1918-12-01), Ingoldsby et al.
patent: 1300958 (1919-04-01), Hart
patent: 1342088 (1920-06-01), Campbell
patent: 1342091 (1920-06-01), Campbell
patent: 1398675 (1921-11-01), Campbell
patent: 1889171 (1932-11-01), Campbell
patent: 1916560 (1933-04-01), Campbell
patent: 3872796 (1975-03-01), Allen
patent: 4062460 (1977-12-01), Allen

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