Patent ID: 8540559

Claim:
A cage vane for use with a combine threshing system comprising: a cage vane inner edge extending a cage vane length from a cage vane front edge to a cage vane rear edge; a mounting leg configured to be mounted to a cage portion of a crop material threshing chamber, the mounting leg (i) extending a mounting leg length from the cage vane inner edge to a mounting leg outer surface in a first direction; and (ii) extending a mounting leg thickness from a mounting leg bottom surface to a mounting leg top surface; and a protruding leg (i) angled from the mounting leg; (ii) extending a protruding leg length from the cage vane inner edge to a protruding leg top surface in a second direction different from the first direction; and (iii) extending a protruding leg thickness from a protruding leg inner surface to a protruding leg outer surface, and at least one of: (i) the mounting leg length is configured to change as the mounting leg extends the cage vane length from a cage vane front edge to the cage vane rear edge; (ii) the mounting leg thickness is configured to change as the mounting leg extends the cage vane length from the cage vane front edge to the cage vane rear edge; (iii) the protruding leg length is configured to change as the protruding leg extends the cage vane length from the cage vane front edge to the cage vane rear edge; and (iv) the protruding leg thickness is configured to change as the protruding leg extends the cage vane length from the cage vane front edge to the cage vane rear edge.