Title: Catamaran with extensible hulls

Abstract: A boat of the catamaran type having the usual superstructure mounted on a frame mechanism to which a pair of spaced parallel hulls are pivotably mounted. The frame mechanism includes an actuatable extension apparatus which simultaneously pivots the hulls in laterally opposite directions from a retracted position to a midposition to an extended position to provide the boat with changeable characteristics suitable for various boat operating modes.

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Inventors: Harper, Jr., William H. (Raleigh, NC, US)

Application Number: 593480
Filing Date: 1975-07-07
Publication_date: 1976-09-21
Assignee:
Primary Class(es): 114/61.15 114/123
Other Classes:
US Patent Ref:

1705303	Mar, 1929	Nagy	114/123.
2678018	May, 1954	Crisp	114/123.
3787910	Jan, 1974	Taylor	114/61.
3860982	Jan, 1975	Rumsey	114/66.

Other Refs:
Primary Examiner: Blix, Trygve M.
Assistant Examiner: Sotelo, Jesus D.
Attorney: Haynes, Jr.; Herbert E.