Patent ID: 7143868
Filing Date: 2006-12-05
Classification: B63C

Abstract:
1. An underdeck pontoon lift system, comprising: a base structure; a plurality of lifting jacks pivotally attached to said base structure, said lifting jacks comprised of a plurality of front lifting jacks and at least one rear lifting jack; a support bed pivotally attached to said lifting jacks opposite of said base structure in a cantilever manner, wherein said support bed has a first width that is at least 20 percent less than a second width of said base structure; wherein said lifting jacks each are comprised of an inverted U-shaped base member and a pair of support members extending upwardly from said base structure, wherein a third width of said support members is at least 30 percent less than a fourth width of said inverted U-shaped base member; a front structure extending upwardly from said base structure; and an elevating unit attached to said front structure for manipulating said lifting jacks from a lowered position to a raised position.