Patent ID: 7975635
Filing Date: 2011-07-12
Classification: B63H

Abstract:
1. A furling and unfurling device for furling and unfurling on a sail boat asymmetric sails by a sail furling and unfurling system, said device comprising a tubular foil and an inner flexible stay foil arranged within said tubular foil, said tubular and inner foils forming a foil assembly adapted to transmit a furling torque for furling a non hoisted sail, which is furled on a sheath foil fitted on said tubular foil, said tubular, inner, and sheath foil being flexible, said inner foil comprising a sheet or rope, said tubular foil comprising a plurality of tubular segments made of a metal material or of a fiber reinforced plastic material, wherein said tubular segments are spaced from one another by coupling spacer flexible elements allowing said furling and unfurling system to be folded and stored.