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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0809185 (1985-12-16) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 2 |
A resiliently flexible wishbone boom comprised of a pair of boom sections attached to the pivotal mast of a sailboard. A sail located between the boom sections is attached by its leading edge to the mast and at one location along its trailing edge to the outer end of the boom. The boom has flexible
For use on a sailboard having an upstanding mast and a sail attached to the mast, a flexible wishbone boom comprising: a pair of curved boom sections connected together at their front and rear ends and having their concave sides facing each other, each said boom section comprising a forward member o
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