Apparatus for measuring the contours of a wheel
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United States of America Patent
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-
Sep 17, 1996
Grant Date -
N/A
app pub date -
Feb 7, 1995
filing date -
Feb 8, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for measuring the contours of a railroad wheel which contains a tool slide, a measuring arm pivotally attached to the tool slide, a measuring wheel rotatably attached to the measuring arm, a device for moving the measuring arm horizontally, vertically, and pivotally, a marker, an optical sensor, and a device for sensing the movement of the measuring arm. The apparatus also contains a first encoder for determining the degree to which the measuring arm moves during any particular time during the rotation of the railroad wheel in any particular rotation cycle, and, additionally, a second encoder for determining at what point in said particular rotation cycle said measuring arm has moved.
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