| 摘要 |
A solar ray collector for a spacecraft includes six posts which are movable into and out of a housing section in the spacecraft and define respectively the apexes of a hexagon. Panel-like collector subassemblies are cantilevered respectively by cross-arms to be rotatable thereabout over 180 degrees between a folded inoperative position and an unfolded operative position. Each of the cross-arms bridges and slides up and down along its associated nearby posts. In the folded position, the subassemblies lie one upon another within the hexagon.
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