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A WATERCRAFT PROPULSION DEVICE INCLUDING A LINKAGE AND A HORIZONTAL PROPULSION FIN
A WATERCRAFT PROPULSION DEVICE INCLUDING A LINKAGE AND A HORIZONTAL PROPULSION FIN
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机译:包括连杆和水平推进鳍的水力推进器
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摘要
A watercraft propulsion device 10 has a linkage comprising a vertical drive link (20), a support link (12), an upper control link (50) having a forwardly extended handle bar (52), and a lower propulsion link (30) having a horizontal propulsion fin (32) backwardly extended therefrom. The control and propulsion links (50, 30) are interconnected by said drive link (20), which is capable of conveying propulsive oscillatory motion to the propulsion link (30) by means of a linear power actuator (90), and by the support link (12), which is pivotally connected a transom bracket (60) about a substantially vertical axis.
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