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4166425 |
Elastic connection assembly for the mast of a sailboat
A sailboard for wind surfing comprising a board to which a mast is connected by a heel joint. A sail is stretched on the mast. The heel joint comprises two opposed bushings, one coupled to the mast...
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4100870 |
Surfboard
A sailboard having an unstayed rig comprises a mast mounted by a universal joint on a surfboard having a retractable keel. A sail having a neck and a lower bolt-rope is attached between the mast...
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3707935 |
SURFING SAILBOAT
The disclosure is directed to a sailboat which is constructed for riding in surfboard fashion. The boat includes a sail which is symmetrically mounted for rotation about a vertical mast. The mast...
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3455261 |
KITE BOARD
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