Mooring tether

Details Mooring tether Mooring tether

1987-01-20

1988-10-04

Basinger, Sherman D.

Ships

Mooring device

Boom type

114293, B63B 2100

Patent

active

047749032

ABSTRACT:
Several cables extend between a buoyant body to be moored and the sinker on the sea bed. Intermediate spacing members hold the cables apart from one another to maintain the configuration. At zero rotation when the tether formation itself is in equilibrium half the number of cables exert a clockwise torque and half exert an equal and opposite anticlockwise torque. Any small rotation of the moored body causes the tension to increase in the cables opposing such rotation and to decrease in the other cables, so the body is restored to the equilibrium position. The tether thus exhibits high torsional stability. Cables can be configured to enable the tether to tilt relative to the buoyant body or sinker whilst still retaining high torsional stability.

REFERENCES:
patent: 2374249 (1945-04-01), Wadsworth, Jr.
patent: 2908141 (1959-10-01), Marsh, Jr.
patent: 3177684 (1965-04-01), Bossler, Jr.
patent: 3333788 (1967-08-01), Dryden
patent: 4635884 (1987-01-01), Nohren

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