Torsion tester
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United States of America Patent
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-
May 19, 2015
Grant Date -
Jul 31, 2014
app pub date -
Mar 28, 2014
filing date -
Sep 30, 2011
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A torsion tester including a reaction force unit and a drive unit including a servo motor, a first reduction gear, a shaft transmitting an output force from the first reduction gear, a clutch having an input shaft fixed to the shaft, a second reduction gear decelerating rotation of an output shaft of the clutch, a chuck, and a connection mechanism connecting the chuck with one of the shaft and the second reduction gear, the drive unit configured to switch between a first mode where the clutch is disengaged, and the shaft is connected with the chuck by the connection mechanism and a second mode where the clutch is engaged, and the second reduction gear is connected with the chuck by the connection mechanism.
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