Retractable wing keel for sailboats

This invention pertains to a retractable wing keel for sailboats. A keel member is movably attached to the bottom of the sailboat, and a wing member is attached to the bottom of the keel member. In a first embodiment, the keel member is pivotally attached to the bottom of the sailboat and the wing m...

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Bibliographic Details
Main Authors MARTIN JAMES B, LEVI CLARK
Format Patent
LanguageEnglish
Published 04.06.2002
Edition7
Subjects
EQUIPMENT FOR SHIPPING
PERFORMING OPERATIONS
RELATED EQUIPMENT
SHIPS OR OTHER WATERBORNE VESSELS
TRANSPORTING
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Summary:This invention pertains to a retractable wing keel for sailboats. A keel member is movably attached to the bottom of the sailboat, and a wing member is attached to the bottom of the keel member. In a first embodiment, the keel member is pivotally attached to the bottom of the sailboat and the wing member is pivotally attached to the bottom of the keel member. In a second embodiment, the keel member is slidably attached to the bottom of the sailboat and the wing member is fixedly attached to the bottom of the keel member.
Bibliography:Application Number: US20000604015