发明名称 Yo-yo having engagement pads proximate its axle
摘要 A yo-yo having unique tether engagement areas adjacent the axle. The engagement areas include an array of grooves and/or rubber pads located in the tether-facing surface of each of the yo-yo's side pieces. The grooves and/or pads extend from a point proximate the axle to a point significantly spaced from the axle. In the preferred embodiment, the grooves and/or pads are employed in conjunction with an axle having a ball bearing-supported rotatable outer race to which an end loop of the tether is secured.
申请公布号 US5813898(A) 申请公布日期 1998.09.29
申请号 US19970929588 申请日期 1997.09.15
申请人 PLAYMAXX, INC. 发明人 VAN DAN ELZEN, HANS W.;VAN DAN ELZEN, THOMAS J.
分类号 A63H1/30;(IPC1-7):A63H1/30 主分类号 A63H1/30
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