Beam geometry varied three-dimensionally after beam is deployed. When tetrahedral beam completely retracted, each longeron shortened indefinitely so frames at each end of longeron folded together to lie one against other. Each tetrahedral of beam so retracted to achieve compact packaging of entire beam. Each longeron shortened by folding at midlength and ends, by telescoping, or by other means. Beam becomes crane, manipulator arm, antenna feed support, or other type of lineal structural member. Beam completely packageable, automatically deployable, and capable of having geometry varied during use.
Sequentially-Deployable Tetrahedral Beam
NASA Tech Briefs ; 9 , 2
1985-10-01
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Englisch