Railway hopper car door lock

Details Railway hopper car door lock Railway hopper car door lock

1977-04-11

1979-01-16

Paperner, L. J.

Railway rolling stock

Special car bodies

Dumping

105308E, 105308P, B61D 702, B61D 718, B61D 726, B61D 4900

Patent

active

041343441

ABSTRACT:
A railway hopper car having doors movable downwardly and outwardly to a dump position is provided with an improved locking arrangement that includes a cam lever actuated by means of a push-pull link extending outwardly under the side of the hopper. The link is pivotally connected to a camming lever having a hinged latch element connected thereto. The latch element and camming lever are locked in a relatively angular position. The link arrangement upon actuation moves the cam lever and link to a substantially linear configuration thereby disengaging the latching element from the keeper member provided on the door structure.

REFERENCES:
patent: 640403 (1900-01-01), McChesney
patent: 1644599 (1927-10-01), McDearmon
patent: 1664599 (1928-04-01), Dzierzenga
patent: 1766193 (1930-06-01), Schmitz et al.
patent: 1941774 (1934-01-01), Yost
patent: 2943693 (1960-07-01), Norrie
patent: 3104623 (1963-09-01), Dorey

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