Highly dynamic piezo-electric drive mechanism
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United States of America Patent
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Aug 24, 1999
Grant Date -
N/A
app pub date -
Mar 27, 1997
filing date -
Apr 2, 1996
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A highly dynamic piezo-electric drive mechanism for use wherever stringent requirements are placed on resonant frequency, positioning time, actuation speed or acceleration, is provided and in which at least two piezo-electric double stack drives are rigidly mounted on their first base surfaces and act against a toggle lever on their second base surface on opposite sides of and equidistant from the pivot axis of the toggle lever, and a control applies a phased electrical voltage to the piezo-electric stacks in such manner that the double stack drives operate in a push-pull mode.
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