发明名称 Locking puzzle
摘要 The disclosure describes a puzzle of the type having a plurality of elongate blocks which may be assembled in an interlocking arrangement. Two of the blocks include a locking mechanism whereby in a first orientation of the assembled puzzle disassembly thereof is prevented while in a second rotated orientation the locking mechanism may be deactivated to permit disassembly.
申请公布号 US4880238(A) 申请公布日期 1989.11.14
申请号 US19880206717 申请日期 1988.06.15
申请人 DEROUIN, LOUIS G. 发明人 DEROUIN, LOUIS G.
分类号 A63F9/12 主分类号 A63F9/12
代理机构 代理人
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