Patent ID: 7610830

Claim:
A foldable rudder wheel for a boat comprising a peripheral wheel having strengthening spokes which meet at a central turning hub, wherein the peripheral wheel comprises a plurality of parts, each of said parts being joined to at least one of said spokes, wherein said parts include a fixed central part and at least a first movable part and a second movable part substantially symmetrical to each other and combined with said central part by intermediate hinge members provided at diametrically opposed spokes of the peripheral wheel, wherein said intermediate hinge members include a first hinge member between said fixed central part and said first movable part, and a second hinge member between said fixed central part and said second movable part, wherein said first hinge member has a length longer than a length of said second hinge member; and including a plurality of coupling means on said peripheral wheel wherein a first of said plurality of coupling means is positioned between said fixed central part and said first movable part, and a second of said plurality of coupling means is positioned between said fixed central part and said second movable part; wherein said second movable part is arranged to fold over said fixed central part and said first movable part is arranged to fold over said second movable part so as to be positioned alternatively in an open deployed position or in a folded position, and when in said folded position, said fixed central part is only connected to said first movable part and to said second movable part by said first hinge member and said second hinge member.