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21. 发明授权

US5020791A Aquatic exercise device 失效
标题翻译：水上运动器材
公开(公告)号：US5020791A
公开(公告)日：1991-06-04
申请号：US357229
申请日：1989-05-26
申请人： Edward D. Phillips
发明人： Edward D. Phillips
IPC分类号： A63B69/12
CPC分类号： A63B69/12
摘要： An aquatic exercise device is provided having a housing with a convex front wall and a concave rear wall, a top surface and a bottom surface. The front wall and rear wall have attached thereto preferably a harness to permit the towing of the device. The housing has a first interior cavity, a second interior cavity, and a water inlet valve, with both the second interior cavity and the water inlet valve having closures. The water inlet valve depends downwardly from the bottom of the housing. The second interior cavity has a compartment having a wall with an aperture therethrough, through which aperture is inserted a hose member having two ends. One end extends through the aperture into the first interior cavity while the other end has air passage therethrough regulated from an air flow control valve. The top of the housing has fixed thereto a flag pole with a preferably brightly colored flag.
摘要翻译：提供一种水上运动装置，具有具有凸形前壁和凹面后壁，顶面和底面的壳体。前壁和后壁优选地附接有用于允许装置牵引的线束。壳体具有第一内腔，第二内腔和进水阀，所述第二内腔和进水阀均具有闭合件。进水阀从外壳的底部向下。第二内腔具有隔室，该隔室具有穿过其的孔，通过该隔室插入具有两端的软管构件。一端延伸穿过孔进入第一内腔，而另一端具有从气流控制阀调节的空气通道。壳体的顶部固定有最好是鲜艳的旗子的旗杆。

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