| 摘要 |
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.
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