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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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