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US 4,530,299 AGranted
Collapsible wind surfing vessel
OwnerAlan Rossinventor
Life of this patent
Estimating the term…
Abstract
A wind propelled surfboard which has a catamaran hull wherein each hull can be folded to a collapsed position. Also, the mast and boom are capable of being folded when into a collapsed position when not in use.
Claims14
A collapsible sail surfing vessel comprising:
- an elongated hull composed of twin hulls located in a spaced-apart juxtaposition relationship, each said hull including first means for folding the said hull to assume a substantial decreased length when not in use, said hulls when in use being connected together by a frame assembly, second means for folding said frame assembly to assume a substantially decreased width when not in use;
- mast connecting means mounted on said frame assembly;
- a mast connected to said mast connecting means, said mast being universally movable relative to said mast connecting means, third means for folding said mast to assume a substantially decreased length when not in use, said mast being disengageable from said mast connecting means;
- a sail attached to said mast;
- and
- a boom connected to said mast and said sail, said boom including fourth means for folding said boom to assume a substantially decreased length when not in use, said boom comprising an elongated structure surrounding said sail when in use.
3 more elements
Dependencies are inferred from the claim text.