| 摘要 |
A rotator is provided to induce weight unbalance of both sides of the body repetitively to make a rotation to the right as the rollers on both sides of the body pushes the upper right side of the unparallel tracks. A rotator comprises stand guide shafts(9) which are inserted to both side vanes of the body, unparallel tracks(21) which are attached to the body vanes by a track supporting plate on the circumference of the stand guide shaft, a vertical support(10) which is joined to the stand guide shaft, a weight holder(18) whose one end of is supported to a hinge(19) equipped on the upper end of the vertical support, a weight(17) fixed to the other end of the weight holder, and rollers(15) bearing the weight. The rollers push the upper right side of the unparallel tracks so the weight and the rollers approach to a central axis in the left section and become away from the central axis in the right section.
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