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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0950099 (1978-10-10) |
우선권정보 | FR-0031104 (1977-10-10) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 14 인용 특허 : 2 |
In a sailing craft, in which the foot of a sail is attached to a yard pivoted on a boom, itself pivoted on the mast, this sail, provided to be of single or double-thickness, preferably comprising a sectioned front edge, restraints are provided for selectively blocking either the yard with respect to
In a sailing craft having a hull and having a mast supporting a boom and having a double sail including a foot portion attached to a yard pivotally supported by the boom and including a top portion supported and extending toward the head of the mast, the improvements comprising: (a) a sail supportin
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