Hydraulic and earth engineering – Marine structure or fabrication thereof – With anchoring of structure to marine floor
Patent
1990-06-29
1991-06-04
Taylor, Dennis L.
Hydraulic and earth engineering
Marine structure or fabrication thereof
With anchoring of structure to marine floor
403369, 405195, E02B 1706
Patent
active
050209426
ABSTRACT:
A tension leg platform top connector will connect a tendon to the platform. The top connector has a housing with a bore containing a conical shoulder. Several segments locate on the conical shoulder and will slide between an upper retracted position to an engaged position. In the engaged position, threads on the interior of the segments will engage threads formed on the exterior of the tendon. A cam plate will slide the segments down when the cam plate is rotated. A guide ring mounts outward of the segments. The guide ring has fingers that engage slots in the backs of each of the segments. The fingers and vertical slots allow the segments to move axially, but prevent them from rotating relative to the guide ring. A clutch ring applies a frictional force to the guide ring to resist rotation until the segments engage the tendon threads.
REFERENCES:
patent: 3058386 (1962-10-01), Morrow
patent: 3957381 (1976-05-01), Schafer
patent: 4234151 (1980-11-01), John et al.
patent: 4611953 (1986-09-01), Owens
patent: 4869615 (1989-09-01), Galle
patent: 4871282 (1989-10-01), Jennings
patent: 4968183 (1990-11-01), Hannus et al.
Bradley James E.
Taylor Dennis L.
Vetco Gray Inc.
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