Measuring and testing – Instrument proving or calibrating – Dynamometer
Patent
1996-08-07
1998-03-03
Chapman, John E.
Measuring and testing
Instrument proving or calibrating
Dynamometer
73 175, G01M 102
Patent
active
057237670
ABSTRACT:
A method of calibrating a parameter entry device for a vehicle wheel balancer utilizes a parameter entry device having an elongated rod slideably and rotatably mounted to the balancer in parallel with the rotatable wheel-mounting shaft. A transverse arm having a known length and a wheel contacting tip is connected to the rod. A rotary encoder is coupled to the rod so that when the tip is positioned for measuring wheel components the encoder measures angular displacement. Angular measurements of two known radial positions are used for determining the relative angles between each angle and the rest position of the arm to establish a reference. Using the established reference, measurements for determining radius and diameter of various wheel components can be made.
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de Bellefeuille Jean
Rogers Frederick J.
Chapman John E.
Cruz Lawrence
Snap-on Technologies, Inc.
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