发明名称 PORTABLE ACROBATIC TRAINER APPARATUS
摘要 One embodiment of a portable acrobatic training apparatus (I) with which to support and instruct athletes learning back handsprings having opposing flat vertical ends (16), a resilient arcuate uppermost surface (10), a flat horizontal base (12), and a convex near surface (14). Said trainer apparatus is of approximate elliptical shape, rests on its base until intentionally activated by user, is self-limiting rotationally, and returns to start position automatically following each usage.
申请公布号 US2010323847(A1) 申请公布日期 2010.12.23
申请号 US20100870198 申请日期 2010.08.27
申请人 NORBERT'S ATHLETIC PRODUCTS 发明人 LIM JUNG M.
分类号 A63B26/00 主分类号 A63B26/00
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