Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Ross H. Messinger0
Apolonio P. Yson0
Date of Patent
December 16, 2008
0Patent Application Number
112903640
Date Filed
November 30, 2005
0Patent Primary Examiner
Patent abstract
Linear actuators including coupled elongate members formed of shape memory alloys are provided. Members that lengthen when heated are coupled to members that shorten when heated such that stroke amplification gains are derived from each member. The members may be tubular and may be coaxially arranged for telescopic extension and collapse. Sections of a modular structure such as a space vehicle may be latched and clamped together for assembly or for docking by utilizing linear actuators having shape memory alloys that are actuated thermally.
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