Apparatus for measuring unbalance on rotary members
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United States of America Patent
Stats
-
Oct 29, 1991
Grant Date -
N/A
app pub date -
May 10, 1990
filing date -
Jul 13, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An apparatus for measuring unbalance on a rotary member such as a motor vehicle wheel comprises a drive motor for driving a main shaft carrying the rotary member, by way of a reduction transmission means having a self-locking action so that the main shaft can be braked by the self-locking action after an unbalance measuring run. The self-locking action of the reduction transmission means also serves to resist a rotary moment applied to the main shaft when tightening or loosening a clamping arrangement with which the rotary member is clamped on the main shaft, so that the main shaft remains in a stationary position during that operation.
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