Method of tracking a track geometry

Details Method of tracking a track geometry Method of tracking a track geometry

2007-02-27

2007-02-27

Fulton, Christopher W. (Department: 2859)

Geometrical instruments

Miscellaneous

Light direction

C033S287000, C033S651000, C104S002000

Reexamination Certificate

active

11205707

ABSTRACT:
In a method of tracing a track geometry immediately ahead of a ballast pick-up device of a cleaning machine in a working direction, a first and a second measuring chord are guided on the track by a respective front and rear end point. A versine measured by a first versine sensor of the first measuring chord is stored, in connection with a distance measurement, for registering the rear end point of the first measuring chord as a desired position with respect to a local track point. After the rear end point of the second measuring chord has reached the local track point, the rear end point is displaced until a measurement value corresponding to the stored versine is reached by a second versine sensor, and thus the desired position has been attained.

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patent: 6634112 (2003-10-01), Carr et al.
patent: 7050926 (2006-05-01), Theurer et al.

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