Patent ID: 7024844

Claim:
An agricultural working unit, comprising: a hitch assembly; a pair of working heads, a pair of cantilever beams, each said beam being connected at one end with said hitch assembly for pivoting horizontally about an upright axis, each said beam being connected at an other end with a respective said working head for establishing a horizontal axis about which said respective working head may pivot vertically; and an adjustable linkage arrangement coupled between said beams for pivoting each of said beams relative to said hitch assembly between a working position, wherein said pair of cantilever beams extend in opposite directions from said hitch assembly in transverse relationship to a forward direction of travel of said working heads during operation of said working heads, and a transport position, wherein said cantilever beams extend parallel to each other in trailing relationship to said hitch assembly when the hitch assembly is being moved in a transport direction opposite to said forward direction of travel.