Longitudinal rail profilometer

Geometrical instruments – Area integrators – Electrical

Patent

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Details

33 1Q, 33144, G01B 520, G01B 528

Patent

active

042889260

ABSTRACT:
Portable apparatus for use in measuring vertical deviation of the surface of a rail from a reference plane. The measuring device includes a pair of guide beams and a hand-powered carriage which move along the beams. A sensor, which follows undulations resulting from rail wear, is mounted on the carriage and is coupled to the pen of a recorder.

REFERENCES:
patent: 1417703 (1922-05-01), Waffenschmidt
patent: 4069590 (1978-01-01), Effinger

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