Patent ID: 7856935

Claim:
A twin sailing board characterized in comprising: a pair of surfboards ( 10 , 12 ) adjacently disposed in a lateral direction; plate-like bodies ( 14 , 16 , 18 ) detachably secured to the surfboards ( 10 , 12 ) by a screw ( 26 ), which is screwed with a mast end securing screw (MT) being movable in front and end directions of the surfboards ( 10 , 12 ) within grooves ( 10 d , 12 d ) provided on respective top surfaces of the pair of the surfboards ( 10 , 12 ); a rig ( 24 ) including at least a mast ( 24 c ), which is connected to assume any inclined attitude by an engaging portion ( 30 ) fixed at a substantially center of the plate-like bodies ( 14 , 16 , 18 ), a sail ( 24 a ) being set up on the mast ( 24 c ), and a boom ( 24 b ) circularly provided on the mast ( 24 c ) in such a manner that the sail ( 24 a ) is placed inbetween; and a rod-shaped member ( 20 ) erected on the plate-like bodies ( 14 , 16 , 18 ) at the further front side than the mast ( 24 c ) and whose leading edge is provided with a first ring member ( 20 a ).