发明名称 |
Displacement, planing sailboard |
摘要 |
A highly efficient sailboard shape has a full displacement form for efficient light and upwind sailing and has an efficient planing form for high wind sailing with the conversion from displacement to planing forms caused by the buoyance reaction to aftward weight shift.
|
申请公布号 |
US4434737(A) |
申请公布日期 |
1984.03.06 |
申请号 |
US19810302830 |
申请日期 |
1981.09.16 |
申请人 |
WIND INNOVATIONS, INC. |
发明人 |
WEISS, JOHN |
分类号 |
B63B35/79;(IPC1-7):B63B1/16;B63B1/04 |
主分类号 |
B63B35/79 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|