US2004200396A1PendingUtilityA1

Drag lift sailboat

Priority: Apr 11, 2003Filed: Apr 11, 2003Published: Oct 14, 2004
Est. expiryApr 11, 2023(expired)· nominal 20-yr term from priority
B63H 9/06
34
PatentIndex Score
0
Cited by
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References
0
Claims

Abstract

The invention of a sailboat that uses three ways of creating lift on the hull of a boat so that it rides higher on the water and gives the sailors a fast dry ride. 1 st way is that sails are installed on the back of the boat and are inclined back into the wind to create lift. 2 cd way is that a power kite type sail is attached to the front of the boat and positioned to sail up and out in front of the boat pulling up to provide lift. 3 rd way is that the keel on the boat has a wide planing plate on it that is installed in an upward inclined position so that as it moves forward through the water it causes an upward push up on the hull of the boat. It also has revolutionary sails which are made up of a plurality of 9 inch high strips of sails that extend across a frame, one strip above another and they are adjusted into and out of engagement with a mesh backup support screen so the sails block the wind when they are pressed against the mesh screen by the wind and they allow wind to pass by them when they are retracted from the mesh back-up screen.

Claims

exact text as granted — not AI-modified
I claim:  
     
         1 . A sailboat with its sail supporting means attached to it within the rear one forth of the length of the boat and the deck of the boat is clear of any sail supporting masts forward of said sail supporting means.  
     
     
         2 . The sailboat of  claim 1  wherein there are sail supporting means attached to each of the rear corners of the boat.  
     
     
         3 . The sailboat of  claim 2  whereby, a sail supporting means is attached to the boat in the space between said sail supporting means that are mounted on the rear corners of the boat.  
     
     
         4 . The sailboat of  claim 1  whereby, said sail supporting means includes a frame that carries sails within its perimeter.  
     
     
         5 . A sailboat of  claim 4  wherein said sail supporting means includes a base which is attached to the boat, a hinge is attached to the base and to said frame, thereby making an interconnection between said base and said frame so that said frame can be inclined backward or forward.  
     
     
         6 . A sailboat with a sail supporting means attached to it that includes: 
 (a) a frame that carries sail back up support means that have open spaces so that wind may pass through them,    (b) arms are carried on said frame, some arms are carried near the top of the frame and some arms are carried near the bottom of the frame,    (c) lines are carried by said arms and said lines extend from said arms that are near the top of the frame down to arms near the bottom of the frame, across from one side of said frame to the other side of said frame, one strip above another,    (d) said arms have means for pulling said strips of sails away from said sail back up support means to allow the wind to pass by said sails and then moving said sails back close to said sail back up support means so that the wind can push them up against said sail back up support means to effectively block wind.    
     
     
         7 . A sailboat with sail supporting means attached to the boat which carries sails and wind deflecting means that extend out beyond the edges of the sails at an angle so that they change the direction of the flow of the wind as it escapes off of the surface of the sail thereby increasing the pressure on the surface of the sail.  
     
     
         8 . A sailboat or  claim 7  wherein said sail supporting means includes a frame that carries sails within its perimeter and attached to said frame are wind deflecting means extending out from said frame at an angle so that they change the direction of the flow of the wind as it escapes off of the surface of the sail.  
     
     
         9 . A sail for pulling a boat comprising: 
 (a) a coil spring frame,    (b) sail material attached to the approximate back half of the sail spring frame from one end to the opposite end thereby providing sail material for the wind to push on all along the back half of the coil spring frame and the sail material extends to wrap around the ends of said coil spring frame to close the ends with the sail material, thereby providing sail material for the wind to push on at each end and cause the coil spring frame to elongate to its full sailing length,    (c) a plurality of control lines are attached to said coil spring frame and extend to a plurality of reels,    (d) said reels are adapted to be attached to said boat, whereby said reals and lines can be adjusted by a sailor to control the position of said coil spring sail when it is deployed into the wind.    
     
     
         10 . A sailboat that carries a keel with two vertical plates spaced apart, another plate which is a planing plate is connected transversely to said plates near their lower ends and it is positioned approximately parallel to the bottom of the boat except that its full length is inclined upwardly so that its front leading edge is closer to the bottom of the boat than its trailing edge is to the bottom of the boat.  
     
     
         11 . The sailboat of  claim 10  whereby said plate has adjustment means to change its degree of upward angle.  
     
     
         12 . The sailboat of  claim 10  that includes the means to rotate said keel by including: 
 (a) a shaft extends above the deck of the boat and down through the hull and out through the bottom of the boat,  
 (b) on the deck of the boat, said shaft engages means for controlling the rotation of said shaft,  
 (c) sealing means are carried by the boat that seal between said shaft and the boat to prevent water from entering the boat,  
 (d) said shaft that extends down through the bottom of the boat is attached to the members that support the upper ends of said vertical plates that are connected to said planing plate.  
 
     
     
         13 . The sailboat of  claim 12  whereby said means for controlling the rotation of said shaft includes a toothed gear attached to said shaft and another gear connected to said boat that engages said gear on said shaft, means for rotating said gear that is attached to said boat, thereby causing said gear on said shaft to be rotated.  
     
     
         13 . A sailboat of  claim 5  wherein said base carries a gear and said frame carries a gear that engages the gear on said base and means for rotating the gear on said base to cause rotation of the gear on said frame and thereby cause said frame to be inclined backward or forward.  
     
     
         14 . A sailboat of  claim 12  that has one or more sails that are fixed to the deck of the boat so that they can not rotate horizontally.

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