发明名称 |
MOTORIZED YO-YO HAVING IMPROVED EFFICIENCY |
摘要 |
The invention is a yo-yo that that has at least one side that incorporates components that create a powered rotation system. The system is connected to either a circuit board or a weighted board that is similarly rotatable and is located in the yo-yo's other side and/or employs a circuit board that is non-symmetric about its rotational axis and/or uses the powered rotation system to only push on a side portion's body member.
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申请公布号 |
US2011212665(A1) |
申请公布日期 |
2011.09.01 |
申请号 |
US20100714507 |
申请日期 |
2010.02.28 |
申请人 |
VAN DAN ELZEN HANS W;VAN DAN ELZEN THOMAS J |
发明人 |
VAN DAN ELZEN HANS W.;VAN DAN ELZEN THOMAS J. |
分类号 |
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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