Electrically activated multi-jointed manipulator

Details Electrically activated multi-jointed manipulator Electrically activated multi-jointed manipulator

1996-01-19

1999-12-07

Husar, Stephen

Power plants

Motor operated by expansion and/or contraction of a unit of...

Mass is a solid

60528, F03G 706

Patent

active

059963468

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.

REFERENCES:
patent: 4790624 (1988-12-01), Van Hoye et al.
patent: 5035530 (1991-07-01), Fukuda et al.
patent: 5335498 (1994-08-01), Komatsu et al.
patent: 5556370 (1996-09-01), Maynard

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