| 摘要 |
of the Invention A boat trailer having a frame, a wheel unit supporting the frame, a rear cross member between elements of the frame for supporting a plurality of roller units, and a front cross member between other elements of the frame for supporting a hull supporting unit comprised of an elongated, resilient pad secured to the upper surface of the cross member, and with a plastic or like cover for the pad; and the front cross member having also mounted thereon a keel supporting unit with openings formed in an upper plastic-like element engageable with the front portion of the keel of a boat being transported by the trailer wherein foreign material such as sand and gravel on the keel front portion is removed by said keel supporting unit by passage through the openings, and thereby preventing scouring and scratching of the keel front portion.
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