Thin flange and loose wheel detection system

Details Thin flange and loose wheel detection system Thin flange and loose wheel detection system

1981-11-13

1983-10-04

Haroian, Harry N.

Geometrical instruments

Gauge

Wheel

246219, 246169R, 73146, 33148H, B61K 912, B61L 1102

Patent

active

044070721

ABSTRACT:
A system for detecting a thin wheel flange and condition and a loose wheel condition of railroad wheels includes relatively movable contacts actuated by the passing wheels and triggering switches when the contacts move together into a spacing less than a predetermined flange thickness. Opposing contact arms bearing against back faces of the rims of the opposing wheels are interconnected for detecting a loose wheel condition upon the closing of an electrical circuit including microswitches and electrical contacts which close when the opposing wheels are spaced less than a predetermined distance apart.

REFERENCES:
patent: 2408553 (1946-10-01), Gieskieng et al.
patent: 2442491 (1948-06-01), Gieskieng et al.
patent: 2507896 (1950-05-01), Frank
patent: 2579569 (1951-12-01), Hauck et al.
patent: 3188464 (1965-06-01), Gieskieng
patent: 3333097 (1967-07-01), Jamison et al.
patent: 3474542 (1969-10-01), Walton
patent: 3507046 (1970-04-01), Smith et al.
patent: 3938254 (1976-02-01), Miller

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