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.
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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 |
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代理人 |
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主权项 |
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地址 |
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