发明名称 Marine propulsion device
摘要 A marine propulsion attachment (7) for a brush cutter device having an engine and a first shaft (2) mounted within a tube (3) and rotatable by said engine, said attachment (7) comprising a propeller (10) connected to a second shaft; a protective shroud (12) for said propeller (10) and rotatably supporting said second shaft; and connection means to interconnect said shafts to permit their simultaneous rotation by said engine.
申请公布号 US2004092176(A1) 申请公布日期 2004.05.13
申请号 US20030472973 申请日期 2003.12.15
申请人 ALLEN ROBERT 发明人 ALLEN ROBERT
分类号 B63H5/07;B63H5/125;B63H5/14;B63H5/16;B63H5/18;B63H20/00;B63H20/02;B63H21/14;(IPC1-7):B63H1/14 主分类号 B63H5/07
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