发明名称 COLLAPSIBLE DRIFT SOCK
摘要 COLLAPSIBLE DRIFT SOCK A sea anchor or boat drag means formed from a cylindrical tubular body and designed for inflated deployment from a fishing boat or the like and arranged to provide controllable or selectable drag forces ranging from zero drag force to a substantial drag force. The cylindrical tubular body is provided with a mooring means and a flow control means, with the mooring means being arranged for attachment to the hull of the boat, and with the flow control means being arranged to control the size or magnitude of the outlet of the cylindrical tubular body, thereby constricting the flow of water through the cylindrical tubular body.
申请公布号 CA2097961(A1) 申请公布日期 1994.08.13
申请号 CA19932097961 申请日期 1993.06.08
申请人 KAUFMAN, STEWART 发明人 KAUFMAN, STEWART
分类号 B63B21/48;(IPC1-7):B63B21/48 主分类号 B63B21/48
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