Tire testing machine and tire testing method
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United States of America Patent
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-
Jan 1, 2013
Grant Date -
Dec 17, 2009
app pub date -
Apr 30, 2009
filing date -
Jun 11, 2008
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A tire testing machine according to the present invention, which can measure both uniformity and dynamic balance of a tire T, comprises a spindle for driving the tire T to rotate about a vertical axis, a spindle housing which supports the spindle rotatably, and a rotating drum rotatable about an axis parallel to an axis of the spindle and movable toward and away from the tire T. The spindle housing is fixed to a base through a piezoelectric sensor so that it can bear a pressing force provided from the rotating drum. The piezoelectric sensor is disposed within a plane including the axis of the spindle and perpendicular to the pressing force. With this structure, dynamic balance of the tire can be measured accurately and easily.
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