| 摘要 |
A rotating display that includes a fixed frame, a rotating frame that is rotatably mounted to the fixed frame, and apparatus that rotatably moves the rotating frame relative to the fixed frame. The apparatus includes a pool that contains water, eight movable arms that receive associated ends of associated fixed arms and move radially along the associated fixed arms, four joining bars that fixedly join and extend radially along aligned associated pairs of moveable arms, eight weights that are affixed on associated ends of associated joining bars, eight air pumps that have housings that are fixedly attached to associated bars and contain bellows, eight tubes that extend from inner terminal ends radially outwardly from the housings of associated air pumps to outer terminal ends, with the inner terminal ends thereof being in fluid communication with the bellows of the associated air pumps, and eight balls that are in fluid communication with the outer terminal ends of associated tubes.
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