发明名称 Push pole for a boat
摘要 A push pole for propelling a boat comprising an elongated straight pole having a first and second end and a foot extending from the second end of the elongated pole. The foot consists of two prongs where the first prong extends coaxially in relation to the elongated pole and the second prong has an arcuate shape disposed towards the first prong. The first prongs has a spiraled configuration between a spade-like terminus and the elongated pole. The second prong has a spade-like terminus. The configuration of the foot provides for efficient insertion and release of the prongs from the floor of a waterway.
申请公布号 US6168480(B1) 申请公布日期 2001.01.02
申请号 US19990227622 申请日期 1999.01.08
申请人 SCHALLER ROBERT J. 发明人 SCHALLER ROBERT J.
分类号 B63H19/08;(IPC1-7):B63H19/00 主分类号 B63H19/08
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