发明名称 Tug-of-war game
摘要 This invention comprises a tug-of-war game having a drum rotatably mounted on a stationary frame, with an elongated rope wrapped about the drum with free ends extended to opposite sides of the drum, with pull on one free end rotating the drum in one direction and pull on the other free end rotating the drum in another direction, and with a scoreboard visibly responsive to which direction the drum is being rotated.
申请公布号 US4572511(A) 申请公布日期 1986.02.25
申请号 US19840657756 申请日期 1984.10.03
申请人 BARRINGER, JACK E. 发明人 BARRINGER, JACK E.
分类号 A63B21/28;(IPC1-7):A63B21/28;A63B69/00 主分类号 A63B21/28
代理机构 代理人
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