Patent ID: 7240633
Filing Date: 2007-07-10
Classification: B63B,F16G

Abstract:
1. An apparatus for anchoring an offshore structure, said offshore structure having an underwater surface, said anchoring apparatus comprising: a frame member, said frame member being coupled to the underwater surface; a mounting member, said mounting member being connected to said frame member; a fairlead; a chain stopper wherein said chain stopper comprises a flapper, said flapper being movable between an open position and a closed position, said flapper having a first slot for allowing passage of chain links in an anchor chain, and a chain link seat for preventing passage of chain links in the anchor chain in said closed position; said mounting member including a shaft for connecting said fairlead and a pivoting coupler for coupling said chain stopper; wherein said flapper is responsive to gravity and moves to said closed position under the force of gravity; a latching mechanism; said latching mechanism comprising a control cable and a latch lever; said control cable being coupled to said latch lever; said latch lever being responsive to said control cable to move between a latching position and an unlatched position; and, in said latching position said latch lever engaging said flapper in said open position.