Friction reducing piezoelectric feed guide mechanism
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United States of America Patent
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-
Sep 17, 1991
Grant Date -
N/A
app pub date -
Nov 18, 1988
filing date -
Nov 30, 1987
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A feed guide mechanism for guiding a reciprocating movable member with a guide member having tabular elastic members forming a guide surface for guiding the reciprocal movement of the movable member on one surface thereof. A piezoelectric member with alternately polarized portions are attached to an opposite surface of the guide member. The piezoelectric member undergoes a polarization so that application of an alternating current produces a standing wave to urge the movable member upward and reduce friction.
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