Self-Propelled Vessel Launch and Retrieve Vehicle

作者: Kevin Michael Mathews

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摘要: A self-propelled water craft launch and retrieve vehicle which comprises a central chassis includes cradle for carrying boat from the may be launched retrieved, forward wheels or rear steerable under remote control, hydraulic motors driving wheels, elevated above prime mover electric motor pump(s) powering wheel motors, hand held control unit operable by an operator standing beside near to cause move reverse steer vehicle.

参考文章(4)
Lawrence N. Johnson, Modular sailboat trailer ,(1986)
Richard L. Hart, Powered trailer dolly ,(2005)