Patent ID: 6955034

Claim:
In a crop conditioner frame of the type comprising: a frame structure with a top sheet to which are attached a first side sheet and a second side sheet; an upper conditioning roller installed below the top sheet and with shaft ends held within upper bearing assemblies installed within pivoting upper mounting fixtures that are attached to pivot points at the first and second side sheets and with one shaft end driven to rotate the upper conditioning roller; a lower conditioning roller installed below the upper conditioning roller and with shaft ends held within lower bearing assemblies installed within lower mounting fixtures that are attached to the first and second side sheets by fasteners and with one shaft end driven to rotate the lower conditioning roller; and a torsion bar assembly installed between the first side sheet and the second side sheet and interconnected to the pivoting upper mounting fixtures to force the upper conditioning roller toward the lower conditioning roller; the improvement comprising: the upper conditioning roller, the lower conditioning roller, and the torsion bar assembly installed so that, without modification to the first and second side sheets, the upper conditioning roller is interchangeable with at least one different design upper conditioning roller, the lower conditioning roller is interchangeable with at least one different design lower conditioning roller, and the torsion bar assembly is interchangeable with at least one different design torsion bar assembly.