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Deck-to-column connection for extendable draft platform

  • US 7,037,044 B2
  • Filed: 09/27/2004
  • Issued: 05/02/2006
  • Est. Priority Date: 10/15/2003
  • Status: Active Grant
First Claim
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1. An arrangement for securing the deck of an extendable draft platform (EDP) to a buoyancy column that is installed in a leg well in the deck for vertical movement within the leg well from a raised position to a submerged position, the arrangement comprising:

  • a plurality of first guide elements near the top of the column;

    a plurality of complementary second guide elements secured to the deck around the leg well, each of which is configured and located so as to engage an associated one of the first guide elements when the column is lowered to its submerged position; and

    a locking mechanism that is operable to restrict the motion of the column relative to the deck when the first guide elements are engaged with the second guide elements.

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