Reduced-friction joint with electromagnetically separable bearing surfaces
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United States of America Patent
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May 1, 2018
Issued Date -
N/A
app pub date -
Feb 7, 2014
filing date -
Feb 8, 2013
priority date (Note) -
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Abstract
The disclosure provides a joint replacement coupling comprising joint members with opposing joint surfaces, wherein one of the members has a magnetic portion therein which comprises an array of magnets, and the other of the members has a conduction portion therein that comprises a conductive surface. The magnets are arranged to produce a magnetic field that contacts the conduction portion. The conduction portion is optionally positioned so that at least a portion of the conductive surface contacts the magnetic field so that relative motion between the opposing joint surfaces induces current loops in the conductive surface and produces a repulsive force against the magnetic portion, thereby reducing friction between the joint surfaces, optionally separating the joint surfaces.
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