Patent ID: 7182369

Claim:
A load handler comprising: a frame having: a left side rail and a right side rail, each having a closed cross-section and a front end and a rear end; a plurality of cross rails rigidly affixed between said side rails, including a front cross rail having a closed cross-section and rigidly affixed between said side rails at a forward location, and a rear cross rail having a closed cross-section and being rigidly affixed between said side rails at a rearward location, wherein at least one of said rails includes: a first plate, a second plate, a third plate and a fourth plate; each of said plates having respectively a length, a width, and a thickness; said first and second plates being arranged in an opposed position to one another, and said third and fourth plates being arranged in an opposed position to one another; said plates being interconnected along their lengths to form the rail having a box-shaped cross-section having a perimeter generally along the widths of the plates and having a rail cavity within said perimeter; said first plate width being greater than said second plate width, and said plates positioned with the widths of said third and fourth plates extending between, abutting and positioned generally traverse to the widths of said first and second plates, to form a plurality of welding land inside corners along the length of said at least one rail; a corresponding weld formed at each of said welding land inside corners along the lengths thereof to interconnect said plates.