发明名称 Hook assembly for retrieving the chain bridle component of broken marine vessel towing lines
摘要 A hook assembly for retrieving the chain bridle component of a broken marine barge towing line. The assembly comprises a sinking hook dimensioned to receive the bridle, a float connected to the hook for maintaining it a predetermined distance below the surface of the water, and a hook towing line connected to the hook for deploying it into position for intercepting and engaging the bridle. Hook positioning means locates the hook in bridle-engaging position.
申请公布号 US4242978(A) 申请公布日期 1981.01.06
申请号 US19780925457 申请日期 1978.07.17
申请人 FULLER, ORVILLE A. 发明人 FULLER, ORVILLE A.
分类号 B63B21/00;B63B21/56;(IPC1-7):B63B21/04 主分类号 B63B21/00
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