发明名称 WATER SEESAW DEVICE
摘要 Disclosed is an amusement device with a flat bottomed, buoyant base retaining oppositely directed, cantilevered seat assemblies. With the device in a balanced position, the seat assemblies lie a substantial distance above surface of a supporting body of water. Consequently, occupants of the seat assemblies engaged in seesaw activity can attain relatively high magnitudes of acceleration and velocity before becoming submerged.
申请公布号 US3666265(A) 申请公布日期 1972.05.30
申请号 USD3666265 申请日期 1970.03.18
申请人 HARVEY F. AMMERMAN;ALEXEY P. RADSKY 发明人 HARVEY F. AMMERMAN;ALEXEY P. RADSKY
分类号 A63G11/00;(IPC1-7):A63G11/00 主分类号 A63G11/00
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