Compact versatile stick-slip piezoelectric motor
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United States of America Patent
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Apr 12, 2016
Grant Date -
Mar 19, 2015
app pub date -
Sep 13, 2013
filing date -
Sep 13, 2013
priority date (Note) -
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Abstract
A motion control system that includes a base, a stage supported by the base and movable with respect to the base, and a motor coupled to the base and operable to move the stage. The motor includes a mounting base arranged to connect the motor to the base, a friction pad engageable with the stage, and a coupling portion including a first end connected to the mounting base and a second end. The friction pad is connected to the coupling portion between the first end and the second end. A piezoelectric element is disposed between the mounting base and the second end and is operable in response to an electrical signal to move the friction pad and the stage. A mounting screw is accessible from an exterior of the base and engages the coupling portion. The mounting screw is the sole attachment mechanism between the motor and the base.
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