Device for determining geometrical defects in a vehicle wheel
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 3, 2004
Grant Date -
May 16, 2002
app pub date -
May 17, 2001
filing date -
Nov 16, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device for determining geometrical defects in a vehicle wheel comprises, for measuring the eccentricity of the wheel rim (5) and of the wheel (4), means (7) to be positioned in contact alternately with the tyre (6) and with the wheel rim (5) of the wheel of which the eccentricity is to be measured, a sensor (8) for measuring the angular position assumed by said means (7) about a fixed reference point (9), and means for associating and processing the data measured by said means (7) and by said sensor (8) to determine the angle through which the tyre (6) must be rotated on the wheel rim (5) to compensate their errors of shape. Said angular sensor (8) comprises a fixed part (80) carried by a shaft (23) associated with self-centering support means (21, 19, 200, 203) arranged to position it exactly coaxial with said wheel rim, and a movable part (81) rotatably mounted on said shaft (23).
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