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Turret device

  • US 5,065,689 A
  • Filed: 04/12/1990
  • Issued: 11/19/1991
  • Est. Priority Date: 10/12/1987
  • Status: Expired due to Term
First Claim
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1. A turret device adapted to be anchored to the ocean floor, and a floating structure for supporting the turret device in an upper axial bearing and a lower radial bearing to allow the floating structure to turn freely around the turret device, characterized in that the upper bearing is a self-aligning spherical bearing (2, 3) in direct contact between the floating structure and the turret device, wherein the upper spherical bearing includes first and second bearing members each having curved mating bearing surfaces, the bearing surfaces being in engagement with each other and movable relative to each other, wherein the first bearing member is non-rotatably fixed to the floating structure and the second bearing member is fixed to the turret device.

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