发明名称 |
Hoop and device for {37 walking{38 {0 same |
摘要 |
A hoop and propelling device usable in the usual manner and also having central radially directed holes on the hoop rim for cooperation with projections on the propelling device. One projection is at right angles to the handle of the propelling device and enables the user to reverse direction of the hoop and also to stop it; the other is aligned with the handle and enables the hoop to be "walked" or spun around the projection.
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申请公布号 |
US4020589(A) |
申请公布日期 |
1977.05.03 |
申请号 |
US19750621962 |
申请日期 |
1975.10.14 |
申请人 |
BRAVENCE, BENJAMIN M.;WILSON, MAURICE D. |
发明人 |
BRAVENCE, BENJAMIN M.;WILSON, MAURICE D. |
分类号 |
A63H33/02;(IPC1-7):A63H33/02 |
主分类号 |
A63H33/02 |
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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