发明名称 ANORDNING VID RIGG FOR SEGELFARTYG
摘要 Reefing apparatus for a sail of a sailing boat makes use of a hollow boom for the sail. The boom has a lengthwise slit in the top extending over the length of the sail footrope and contains a tubular shaft which can rotate within the boom and to which the footrope is attached. A second shaft is located within the tubular shaft and is coupled to the tubular shaft by a spring, which is stressed on rotation of the tubular shaft relative to the second shaft.
申请公布号 SE7601980(A) 申请公布日期 1977.08.20
申请号 SE19760001980 申请日期 1976.02.19
申请人 KARL OLOF AXEL HELMER * LARSSON 发明人 SOK
分类号 B63H9/08;B63H9/10;(IPC1-7):B63H9/10 主分类号 B63H9/08
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