发明名称 Throwing device
摘要 A throwing and catching device of hand-fitting external proportions, composed of two truncated cones, placed small end to small end, to define a common throat. The diameters of the outer edges of the common throat being greater that its smallest diameter at the center. To the mid-section of the cones' exterior is attached a grip of various configuration. The configuration is such that the grip is substantially in the neutral area of the aero-slipstream created by the tips of both ends of the cones. The gripping surface is made-up jointly of the cones' exposed protruding ends and said grip. Said configuration forming a V-shaped trough on either side of the device's middle.
申请公布号 US4339138(A) 申请公布日期 1982.07.13
申请号 US19800142267 申请日期 1980.04.21
申请人 DI MANNO, CARL M. 发明人 DI MANNO, CARL M.
分类号 A63B65/00;(IPC1-7):A63B65/00 主分类号 A63B65/00
代理机构 代理人
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