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US 3,985,106 AGranted
Sailboat stabilizing system
OwnerAbraham D. Rossinventor
Life of this patent
Estimating the term…
Abstract
Mast is pivoted to sailboat hull and carries a counter-balance weight below the pivot. Wind pressure causes mast heeling with the counter-balance supplying the mast-righting force. Additionally, movable weights in the hull bottom are cable-connected to the mast so that, upon mast heeling with respect to the hull, the weights are moved upward and outward. The underwater structure of the sailboat is also controlled by mast listing or heeling. When centerboard-equipped, the centerboard is lowered with mast heeling. When keel-equipped, the pivoted keel is swung for maximum stability.
Claims9
A sailboat having a sailboat stabilizing system comprising:
- a sailboat hull;
- a mast pivotally mounted on a pivot point with respect to said hull, a partially circular arcuate track in said hull having its center point substantially at said pivot point;
- a counter-weight secured to said mast below said pivot point to urge said mast forward in upright position;
- said mast engaging in said track so that said track provides support to said mast from said hull;
- a movable non-resilient weight positioned to move on and be supported on said mast-supporting track, said movable weight being connected to said mast so that, as said mast rotates about its pivot, said movable weight is moved in said hull.
2 more elements
Dependencies are inferred from the claim text.