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Vessel with movable deck and method

  • US 6,257,165 B1
  • Filed: 12/20/1999
  • Issued: 07/10/2001
  • Est. Priority Date: 12/20/1999
  • Status: Expired due to Fees
First Claim
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1. A multi decked vessel for working in a water body, the vessel comprising:

  • a first platform having a top side and an underside;

    a first hull attached to said first platform'"'"'s underside and a second hull attached to said first platform'"'"'s underside;

    a first leg extending vertically from said first platform;

    a second leg extending vertically from said first platform;

    a second platforn positioned on the top side of said first platform, said second platforn having a first opening and a second opening, and wherein said first leg extends through said first opening and said second leg extends through said second opening;

    means, operatively positioned on said second platform, for raising and lowering said second platform relative to said first platform;

    a plurality of suction anchors attached to said first hull and said second hull, and wherein said plurality of suction anchors are attached by a plurality of anchor lines.

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