发明名称 Steering mechanism for a boat
摘要 A steering mechanism for a boat utilizing a hull which is provided with a rudder apparatus. The rudder apparatus has an end portion extending outwardly from the boat hull with top and bottom portions. The rudder apparatus may be turned or flipped transversely relative to the boat hull and/or twisted such that the top portion of the rudder apparatus and the bottom portion of the rudder apparatus are moved transversely and oppositely relative to one another.
申请公布号 US5172648(A) 申请公布日期 1992.12.22
申请号 US19900623519 申请日期 1990.12.07
申请人 ISHAM, GEORGE 发明人 ISHAM, GEORGE
分类号 B63H25/38 主分类号 B63H25/38
代理机构 代理人
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