Hopper railcar with automatic individual door system
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United States of America Patent
Stats
-
Nov 16, 2010
Grant Date -
Aug 2, 2007
app pub date -
Jan 23, 2007
filing date -
Jan 24, 2006
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
The door operating system of the present invention can be applied to new railcar or retrofitted to existing railcar designs. The hopper car will have a pair of doors on opposed sides of the center sill which are connected through a door spreader. The pneumatic, individual door operating system is connected to the door spreader through an adjustable spreader fulcrum in which the sliding adjustment may add in a proper connection force or tension between the door operating system and the individual doors.
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