Self-contained boat launching assembly and methods

作者: Waymon B. Reed

DOI:

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摘要: A self-contained trailer mountable boat launching assembly makes it possible for one person to launch a from ramp. small air compressor and accumulator tank are mounted on the frame in combination with control valve an operating cylinder. remote switch routes pressure through operate cylinder which provides force prow of boat. In embodiment, end is flexible member having open hook passes up laterally extending eye roller aft changes direction pull off allows automatically release as moves response rod moving opposite direction. Linear movement magnified by mechanical advantage. second components supply motive power same first but operates directly against The has cushioning element doubles stop. held trailering position when retracted. Lateral can be maintained until triggered actuation

参考文章(4)
John F. Starkey, Boat launching mechanism ,(1974)
G Reder, Boat trailer attachment ,(1973)
Jack E Horner, Telescopic boat trailer ,(1963)
William P Smyth, Launching device for boat trailers ,(1970)