Railway rolling stock – Special car bodies – Dumping
Reexamination Certificate
2006-10-17
2010-06-15
Morano, S. Joseph (Department: 3617)
Railway rolling stock
Special car bodies
Dumping
Reexamination Certificate
active
07735426
ABSTRACT:
Hopper cars both open and covered and discharge control systems are disclosed. Each hopper car may include at least one hopper and a center sill which defines in part a longitudinal axis of the hopper car. At least one discharge opening may be formed proximate a lower portion of each hopper. A respective door assembly may be pivotally mounted adjacent to each discharge opening to control the flow of lading from the respective discharge opening. Each discharge control system may include a common linkage and associated secondary linkages operable to move associated door assemblies between a first position and a second position. A power source including a motor, an air cylinder or a hydraulic cylinder may be disposed on the railway car to move the common linkage. For other hopper cars a wayside drive system may be releasably engaged with a capstan operable coupled to the common linkage.
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Barry Robert J.
Creighton George S.
Fetterman D. Bruce
Baker & Botts L.L.P.
McCarry, Jr. Robert J
Morano S. Joseph
Trinity Industries Inc.
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