| 摘要 |
A collapsible space frame comprising a hub with a longitudinal axis; a plurality of arms; pivot means mounting the arms on the hub at positions spaced about the longitudinal axis for pivoting movement of each arm about a respective transverse axis between a collapsed position extending substantially longitudinally from the hub and a deployed position projecting substantially radially from the hub; thrust means mounted on the hub for axial movement therealong, the thrust means engaging each arm at a position radially spaced from the associated transverse axis for applying a moment to each arm so as to pivot the arm from the collapsed to the extended position. :
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