发明名称 Hollow perforated cushion recreational toy
摘要 This invention provides a recreational toy in the form of a perforated cushion having a connection adapted to receive water from a garden hose or the like, and a plurality of perforations distributed over the upper surface. The cushion is non-circular and is capable of maintaining a stable position in which the perforations are uppermost. Because of the distribution of the perforations, a person jumping on the perforated cushion at any location on the upper surface which cause a depression and a corresponding increase in the water pressure inside the cushion, whereby the spray jets emanating from the perforations increase in height and force, and also turn inwardly toward the cause of the depression.
申请公布号 US4078792(A) 申请公布日期 1978.03.14
申请号 US19760694610 申请日期 1976.06.10
申请人 CAN SPORT PRODUCTS LTD. 发明人 ARATO, OSCAR T.
分类号 A63H33/00;(IPC1-7):A63G31/12;A63B5/18 主分类号 A63H33/00
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