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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0021651 (1987-03-04) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 22 인용 특허 : 0 |
A foldable, multisectional air foil with apparatus enabling it to fold or curl up or down about the body of a craft; and to a system to maintain air foil rigidity during flight. This system includes three separate assemblages which may be used in combination: sliding spar, continuous strap and cable
An airfoil comprising a plurality of airfoil sections adjoined in such a way as to form a complete but segmented airfoil; means enabling two or more of said sections to pivot at their adjoining ends while retaining their ordered placement; and means for maintaining airfoil rigidity that also permits
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