Patent ID: 8635965

Claim:
A sail system comprising a substantially isosceles-triangle-shaped sail, two booms, arranged along substantially equal sides of the sail and articulated to one another at an end with a joint that defines a vertex of said triangle-shaped sail, and an arc-shaped element, which can be coupled to a deck of a boat on which said sail system is provided, with two ends pivoted around an axis transverse to a hull of the boat, said arc-shaped element being mobile around said axis between a configuration raised from the deck and a configuration lowered onto the deck, wherein each boom has a coupling element on said arc-shaped element, said coupling element being slidably mounted both along said arc-shaped element and along a section of the respective boom, and wherein said sail is provided with a further coupling element to said boat on which means for adjusting the orientation of the sail itself act, said booms being lowerable onto a side of the boat and said arc-shaped element being lowerable onto the deck of the boat.