发明名称 Marker buoy with self retracting line
摘要 An anchor locating buoy system is provided with a self-retracting anchor line. The buoy system automatically collects and stores any excess portion of line between a marker float and an anchor thereby minimizing the distance between the marker float and the anchor.
申请公布号 US4808133(A) 申请公布日期 1989.02.28
申请号 US19870021305 申请日期 1987.03.03
申请人 AUSTIN, JAMES 发明人 GRAM, MICHAEL;AUSTIN, JAMES R.
分类号 B63B21/22;B63B22/18;B63C7/26;(IPC1-7):B63B21/52 主分类号 B63B21/22
代理机构 代理人
主权项
地址