| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a drive mechanism of a heliostat having a simple structure and securely rotating a mirror constituent body even by small drive force. Ž<P>SOLUTION: The mirror constituent 3 has the gravity center positioned blow a first rotating shaft A and thus, has a horizontal posture as it is. A wire 17 is connected to the lower part of the mirror constituent 3 and can be wound up by a wire winding part 16 fixed to a support arm 15. Thus, due to winding up and delivery of the wire 17, the mirror constituent 3 is rotated. Since the gravity is used for the rotation to one side, the mirror constituent 3 can be securely rotated with the simple structure even by the small drive force. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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