发明名称 Sailing dinghy mast has pivoting base between two upright supports with a spring-loaded mast lowering mechanism
摘要 <p>A sailing dinghy or yacht has a mast (1) that pivots (7) between two uprights (2) attached to the hull. The mast base (6) is coupled to the base of the uprights by an energy storage system e.g. springs. When the mast is lowered the springs are placed in tension.</p>
申请公布号 DE202004004431(U1) 申请公布日期 2004.05.19
申请号 DE20042004431U 申请日期 2004.03.16
申请人 FRIEDRICH, HANS 发明人
分类号 B63B15/00;B63B15/02;(IPC1-7):B63B15/00 主分类号 B63B15/00
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