Mobile track working machine

Details Mobile track working machine Mobile track working machine

1975-02-18

1976-07-13

Spar, Robert J.

Railways

Track layers

Track raising car

33287, 104 12, 254 43, E01B 2717, E01B 2904

Patent

active

039687520

ABSTRACT:
In a mobile track working machine, which comprises a track lining and leveling unit which may be moved transversely and vertically to the track for lining and leveling the track, flanged lining rollers mounted on the unit for engagement with an associated rail, and power-actuated rail lifting hooks mounted on the unit, the improvement of drives for continuously and simultaneously moving the lining rollers into substantially play-free engagement with the associated rails, and a control for the drives for temporarily holding the lining rollers in a fixed relation to the unit.

REFERENCES:
patent: 2966123 (1960-12-01), Talboys
patent: 3417708 (1968-12-01), Sauterel
patent: 3444822 (1969-05-01), Oville et al.
patent: 3503132 (1970-03-01), Fisher
patent: 3556010 (1971-01-01), Plasser et al.
patent: 3568604 (1971-03-01), Sauterel
patent: 3685157 (1972-08-01), Plasser et al.
patent: 3832952 (1974-09-01), Hurni

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