Patent ID: 7527006
Filing Date: 2009-05-05
Classification: B63C

Abstract:
1. A catamaran barge lifting apparatus comprising: a) first and second barges; b) first frame that spans between the barges; c) a second frame that spans between the barges; d) the frames being spaced apart and being connected to the barges in a configuration that spaces the barges apart; e) the first frame connecting to the first barge with a universal joint and to the second barge with a hinged connection that enables rotation about a single axis only; f) the second frame connecting to the second barge with a universal joint, and to the first barge with a hinged connection that enables rotation about a single axis only; g) each frame extending upwardly in an inverted u-shape, providing a space under the frame and in between the barges, enabling a marine vessel to position in between the barges and under the frames; and h) wherein each frame is connected to two of the barges with a generally triangular support arrangement in plan view.