Apparatus for guiding a railroad track positioning device

Details Apparatus for guiding a railroad track positioning device Apparatus for guiding a railroad track positioning device

1983-03-02

1986-03-11

Reese, Randolph A.

Railways

Track layers

Sluer

33287, E01B 3504, E01B 3306

Patent

active

045747040

ABSTRACT:
A guidance system permits of guiding the railroad track positioning device of a track renewal and maintenance machine as the machine moves in the track working direction. To this end the curvature of a track section to be worked upon comprised in a chord of predetermined length is measured and as a function of this curvature the direction of a second chord is measured, one end of this second chord being coincident with the rear end of the section whereas its predetermined and constant length is so selected that its other end lies on the already renewed or maintained track section and shows the position of a point of this section before the renewal or maintenance works.

REFERENCES:
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patent: 3292557 (1966-12-01), Warnick
patent: 3345746 (1967-10-01), Plasser et al.
patent: 3547038 (1970-12-01), Strasser
patent: 3605625 (1971-09-01), Bencsics
patent: 3821932 (1974-07-01), Theurer et al.
patent: 3828440 (1974-08-01), Plasser et al.
patent: 4155176 (1979-05-01), Goel et al.
patent: 4166291 (1979-08-01), Shupe

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