发明名称 Boat landing apparatus
摘要 A third embodiment of the boat landing apparatus includes a pair of roller assemblies, a pair of cross members and a set of four retention brackets. A first embodiment of the retention bracket is a surface pivot bracket. A second embodiment of the retention bracket is a pivot support bracket. A third embodiment of the retention bracket is a cross bracket. A support post may be mounted to a bottom of a cross member with an angle bracket. Two roller assemblies may be connected in series with an in-line connector bracket. A fourth embodiment of the boat landing apparatus includes a plurality of roller axles and a pair of retention members. A fifth embodiment of the boat landing apparatus preferably includes a plurality of bracket support members, a plurality of pivot roller brackets, and a pair of lengthwise rail members.
申请公布号 US6644231(B2) 申请公布日期 2003.11.11
申请号 US20020277321 申请日期 2002.10.22
申请人 CRIFASE PHILIP A.;CRIFASE JOY P. 发明人 CRIFASE PHILIP A.;CRIFASE JOY P.
分类号 B63C3/02;B63C3/06;(IPC1-7):B63B59/02 主分类号 B63C3/02
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