发明名称 Adjustable paddle for watercrafts
摘要 This disclosure is directed to a paddle for a watercraft having an adjustable shaft with upper and lower telescoping shaft portions. A lever in the palm grip applies tension to a cable to compress a plug at the end of the upper shaft portion to frictionally engage the lower shaft portion.
申请公布号 US8491349(B2) 申请公布日期 2013.07.23
申请号 US201113136104 申请日期 2011.07.22
申请人 STEINHOUR DIRK 发明人 STEINHOUR DIRK
分类号 B63H16/04 主分类号 B63H16/04
代理机构 代理人
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