发明名称 |
Child's activity ring toy |
摘要 |
A child's activity ring toy having first and second concentric ring portions, at least a part of at least one of the ring portions having thread segments along a multiple screw path with adjacent thread segments of adjacent screw paths overlapping in the axial direction. A figure is mounted on this threaded part of the ring with an opening therein configured for engaging a next thread segment in the axial direction as a previous thread segment is disengaged.
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申请公布号 |
US4655723(A) |
申请公布日期 |
1987.04.07 |
申请号 |
US19850713140 |
申请日期 |
1985.03.18 |
申请人 |
MATTEL, INC. |
发明人 |
MARASON, JR., GABRIEL;TEMPLETON, JAMES S. |
分类号 |
A63H5/00;A63H33/00;(IPC1-7):A63H15/00 |
主分类号 |
A63H5/00 |
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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