发明名称 Toy hoop device
摘要 A toy hoop device includes a hoop having a flat, rolling surface, and a roller cage disposed peripherally of the hoop. A handle releasably received into the roller cage is employed to guide the hoop and produce an initial rapid hoop spin, if desired. When high, rotational hoop speeds are affected, the device can be held aloft and function as a gyroscopic toy.
申请公布号 US4211032(A) 申请公布日期 1980.07.08
申请号 US19780938852 申请日期 1978.09.01
申请人 ROBINETT, ROSS 发明人 ROBINETT, ROSS
分类号 A63H33/02;(IPC1-7):A63H33/02 主分类号 A63H33/02
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