发明名称 Portable boat trailer ladder
摘要 The present invention teaches a boat trailer ladder which may be easily secured to and moved along the trailer rails. A hook is dimensioned and configured to engage standard boat trailer rails. An A-frame ladder provides steps from an approximately the level of the trailer rails, or in alternative embodiments from approximately ground level, up for a distance above the trailer rails. The extra elevation gained by a user of ordinary size standing on an upper step is sufficient to allow them to reach the top surfaces of the boat.
申请公布号 US7100740(B2) 申请公布日期 2006.09.05
申请号 US20040829612 申请日期 2004.04.20
申请人 NEWTON BRIAN ROBERT 发明人 NEWTON BRIAN ROBERT
分类号 E06C5/00;E06C5/04 主分类号 E06C5/00
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