发明名称 Karate practice breaking board
摘要 A device for the practice of the martial art of karate, simulating a board to be broken and comprising a pair of clamp members adapted to simulate the shape of the board to be broken; the clamps are adapted to hold pieces of material of varying strength to approximate the varying sizes of board to be broken and a padded striking area may be provided if desired.
申请公布号 US4171803(A) 申请公布日期 1979.10.23
申请号 US19770832094 申请日期 1977.09.12
申请人 SMITH, ROGER D 发明人 SMITH, ROGER D
分类号 A63B69/00;(IPC1-7):A63B69/00 主分类号 A63B69/00
代理机构 代理人
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