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Meridian Rail Information Systems Corp. Patents
Assignee:
Meridian Rail Information Systems Corp.
Address:
Lombard, IL
No. of patents:
5
Patents:












Patent Number Title Of Patent Date Issued
6631685 Dual friction wear plate assembly for a railcar side frame saddle October 14, 2003
A wear plate assembly adapted to engage a friction wedge of a railroad car truck. The wear plate assembly includes a base member having an upper wear member adapted to engage the friction wedge. The upper wear member is formed from a first material such as steel. The wear plate assembly
6581527 Adjustable side bearing for a railcar June 24, 2003
A side bearing for a railcar having a car body and a bolster. The side bearing includes a top member adapted to be located adjacent the car body of the railcar. The top member includes a downwardly extending projection. The side bearing also includes a base member adapted to be located
6568641 Electrically operated railroad switch machine May 27, 2003
A switch machine for moving railroad switch points. The switch machine includes a switch stand adapted to be connected to the railroad switch points. The switch stand includes a rotatable hub which is selectively rotatable to throw the switch points. A rotary actuator includes a rota
6427950 Electrically operated railroad switch machine August 6, 2002
A switch machine for moving railroad switch points. The switch machine includes a switch stand adapted to be connected to the railroad switch points. The switch stand includes a rotatable hub which is selectively rotatable to throw the switch points. A rotary actuator includes a rota
6422154 Three-piece railway truck frame having a selectively removable bolster July 23, 2002
A railway truck frame for a railway truck including a first side frame and a second side frame, each side frame having an inverted trapezoidal-shaped window including a first inclined side and a second inclined side. The truck frame also includes a bolster having a first end and a second

 
 
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