Electrically activated multi-jointed manipulator
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United States of America Patent
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Dec 7, 1999
Issued Date -
N/A
app pub date -
Jan 19, 1996
filing date -
Jul 28, 1993
priority date (Note) -
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status (Latency Note)
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Abstract
A joint assembly having a plurality of concatenated joints, each actuated by a negative coefficient of expansion material such Ti Ni, is capable of performing highly dexterous maneuvers in three dimensions without built in torsional stiffness. The Ti Ni actuators are coiled around the body of opposing joint halves and are capable of maximizing large angular motion while making the joint dimensions as compact as possible. The actuators also operate with low current and thereby minimize heat dissipation.
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