发明名称 |
Polyhedral annular structures, and blanks therefor |
摘要 |
Folded structures which are polyhedrons of generally toroidal shape, movable to various different stable configurations, made up of a series of hinged trapezoids.
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申请公布号 |
US4227334(A) |
申请公布日期 |
1980.10.14 |
申请号 |
US19780868328 |
申请日期 |
1978.01.10 |
申请人 |
HOOKER, REA F. |
发明人 |
HOOKER, REA F. |
分类号 |
A63H33/16;(IPC1-7):A63H33/16 |
主分类号 |
A63H33/16 |
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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