Patent ID: 8839968

Claim:
A crane for mounting on a truck having a cab, a chassis, a rear end, and rear wheels, the crane comprising: a base, comprising: a cargo bed welded or fastened to a frame; and the frame for fastening to the chassis, wherein the frame forms a recess; a rear bumper having compartments and fastened or welded to the frame of the crane, a boom rotatable relative to the base between a vertical position and a horizontal position and configured to fit into the recess formed in the frame when in the horizontal position, having a pair of columns and one or more beams forming a three dimensional shape for extending longitudinally away from the truck in the vertical position and having a length ranging from six to sixteen feet, a width ranging from five to nine feet, and a height ranging from two to six feet; a pair of pivots located at a rear of the cargo bed and fastening the columns to the frame of the crane; a boom hoist comprising a pair of piston and cylinder assemblies (PCAs), wherein: extending the PCAs raises the boom in a single motion and retraction of the PCAs lowers the boom in a single motion, a first end of the PCAs is fastened to the columns above the pivots, and a second end of each PCA is fastened to the frame in a separate one of the compartments below the cargo bed and for being located behind the rear wheels, a load hoist fastened to the beams and operable to hoist cargo located proximate to the rear end when the boom is in the vertical position and operable to carry the cargo toward the cab as the boom is lowered to the horizontal position, thereby loading the cargo onto the cargo bed; and wherein the three dimensional shape of the boom allows the cargo to be carried and loaded without having to further operate the load hoist.