ing illustrated in Fig. 2 is de- 245 THE CARMANS HELPER signed to afford unlimited travel where that is desired.It is attached to the truck bolster and has lateral play,which insures the alignment of the roller for its en-tire width with the opposite bearing. The rollers arehard iron with steel… … Fig, 4_Woods Anti-Friction Center Plates, Body and Truck. equipment, which has been standard upon this classof equipment in the United States and Canada for anumber of years. It is equally important to provide free turningmovement at the center plate, and for this purpose africtionless center…
Railroad cars · Railroads
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