| 摘要 |
The roller furling element of this invention is formed by a single piece profiled member extruded from aluminum and includes: two concentric cylindrical tubes, the internal one being adapted to accommodate a stay, and the external one having two longitudinal slots each allowing a sail to pass through, the bolt rope of which may be held between the two tubes; and longitudinal walls distributed within the annular space between the tubes and uniting the tubes to one another. |
