Sailboat wing spar structure

Claim 1

A sailboat including a hull and a deck mounted at a level above the bottom of the hull; a vertically axially extending, rotatable, wing spar hollow mast of generally teardrop shape in cross section, with one end provided with a semi-cylindrical portion; a wheelhouse cockpit for said sailboat remote from said mast; a tubular bearing mount structure fixedly supported by the hull and extending above the deck the bearing mount structure including a stepped portion forming a shoulder at a spaced distance above the deck from which a reduced diameter cylindrical portion extends upwardly to receive the lower end of the rotatable mast; bearing means between the semi-cylindrical portion of the mast and the reduced diameter cylindrical portion permitting the latter to support the mast for rotation on the reduced diameter portion, the bearing means including thrust bearing means for supporting said mast axially above said shoulder; a sail for the mast mountable to be drawn upwardly from a furled position to an operative position; a halyard connected to the upper end of the sail extending into the interior of the mast and downwardly therein and out the lower end thereof; there being an opening in the said reduced diameter portion between the shoulder and deck; line guiding means mounted within said reduced diameter portion below the mast around which the halyard is trained to guide it for vertical travel in said mast and out said opening; and winch means at said cockpit to which said halyard connects so that it can be operated to raise the sail by the same person who is steering the sailboat.