ROTATION DRIVE MECHANISM
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United States of America Patent
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Issued Date -
Jun 22, 2023
app pub date -
Mar 24, 2021
filing date -
May 11, 2020
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Abstract
A rotary drive mechanism comprises: a camshaft having a plurality of cams; and a plurality of transducer units each including a plurality of transducers that each have a dielectric elastomer layer and a pair of electrode layers sandwiching the dielectric elastomer layer. The plurality of transducer units each provide a drive force to a corresponding one of the plurality of cams. The plurality of transducers in one of the transducer units are arranged radially around the corresponding cam. Such a configuration can exert a drive force more efficiently.
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