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US 5,474,011 AGranted
Shock absorbing apparatus for hydrofoil watercraft
OwnerAmiram Steinberginventor
Life of this patent
Estimating the term…
Abstract
Watercraft including a hull (10), a plurality of foils (12) mounted on the hull for engaging a water surface, and shock absorbing means (16, 18) associated with the plurality of foils for coupling the plurality of foils to at least a portion of the hull and providing at least partial absorption of shock received from waves.
Claims16
Watercraft comprising:
- a hull;
- a plurality of foils mounted in the hull for engaging water;
- and
- shock absorbing means associated with the plurality of foils for coupling the plurality of foils to at least a portion of the hull and providing at least partial absorption of shock from waves in the water,
- wherein said plurality of foils each includes a main portion and a tip portion and means for controlling orientation of the tip portion relative to the main portion.
2 more elements
Watercraft comprising:
- a hull;
- a plurality of foils mounted in the hull for engaging water;
- and
- shock absorbing means associated with the plurality of foils for coupling the plurality of foils to at least a portion of the hull and providing at least partial absorption of shock from waves in the water,
- wherein said plurality of foils are retractable, and
- wherein said plurality of foils each includes a main portion and a tip portion and means for controlling orientation of the tip portion relative to the main portion.
3 more elements
Watercraft comprising:
- a hull;
- a plurality of foils mounted in the hull for engaging water;
- shock absorbing mean associated with the plurality of foils for coupling the plurality of foils to at least a portion of the hull and providing at least partial absorption of shock from waves in the water;
- and
- shock absorber mounted means for selectably retracting said plurality of foils,
- wherein said shock absorber mounted means for selectably retracting said plurality of foils includes a motor driven worm gear assembly operatively engaging a threaded groove formed on a surface of each of said plurality of foils.
3 more elements
Dependencies are inferred from the claim text.