Points and crossing changer

摘要

A points and crossing changer including an elongated frame having a plurality of extendible support members pivotally mounted thereon for horizontal movement about a vertical axis. Each support member includes a downwardly extendible telescoping shaft supported on a lower end by a tracked conveyor pivotally mounted thereon. Mounted to the frame is means for engaging selected sections of track subjacent frame wherein the frame and the selected section of track can be lifted by the telescopic shafts and propelled in an unlimited variety of horizontal directions by the tracked conveyors.