Points and crossing changer

Details Points and crossing changer Points and crossing changer

1990-07-09

1992-07-07

Butler, Douglas C.

Railways

Track layers

Built-up sections

104 71, E01B 2902

Patent

active

051273357

ABSTRACT:
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.

REFERENCES:
patent: 4249467 (1981-02-01), Theurer et al.
patent: 4270456 (1981-06-01), Theurer et al.
patent: 4566389 (1986-01-01), Theurer et al.
patent: 4773332 (1988-09-01), Theurer et al.
patent: 4827848 (1988-05-01), Kusel
Gomaco Corporation, GP-3500 4-Track, 1989, 2 pages, Copyright 1989 GOMACO Corporation SB503X96H.

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