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US 6,283,453 B1Granted
Double mooring bollard
AssigneeHydralift Marine AS
InventorJohn Arve Berget
Life of this patent
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Abstract
A double mooring bollard fo the contra rotating, mechanically driven type is provided for ship and offshore installations. The mooring bollard includes first and second fixed mooring bollards, at least one of which includes a motor and a centrally located driving axle thereinside. An outer cylinder is rotably provided on the outside of each fixed bollard with an upper end therof arranged for coupling to the driving axle.
Claims9
A contra rotating, mechanically driven double mooring bollard for ship and offshore installations, comprising:
- fixed first and second internal mooring bollards;
- a motor centrally arranged inside each of the internal mooring bollards;
- and
- outer cylinders including a lid rotatably provided on the outside of the first and second internal mooring bollards;
- wherein the motor is connected to the lid for contra rotating the outer cylinders.
2 more elements
Dependencies are inferred from the claim text.