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US 2011/0297064 A1Published application
Adjustable keel for a sailboat
OwnerBradford G. Baruhinventor
Life of this patent
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Abstract
A sailboat, which include an extendable keel having a moveable inner member positioned within a fixed keel and a control system for lowering or retracting the inner member.
Claims19
A keel for a sailboat comprising:
- an extendable keel comprising:
- an outer member;
- an inner member, which is extends from within the outer member;
- and
- a foil member attached to the inner member;
- and
- a control system for lowering or retracting the inner member.
4 more elements
A keel for a sailboat comprising:
- a fixed keel;
- a moveable inner member positioned within the fixed keel;
- and
- a control system for lowering or retracting the inner member.
1 more element
A keel for a sailboat comprising:
- a keel member having an inner chamber;
- an adjustable ballast system within the inner chamber;
- and
- a ballast control system for adjusting a depth of the ballast system within the inner chamber.
1 more element
Dependencies are inferred from the claim text.