| 摘要 |
A children's play ride includes an elongated rigid vertical pole having an exterior surface and an elongated tubular housing with an inner surface snugly encircling the pole, the housing being moveable along the pole between an upper position and a lower position. The housing includes a support for a child and co-acting parts on the pole and the housing cause the housing to rotate about the pole only when the housing is moved from the upper position toward the lower position.
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