Patent ID: 11856893
Assignee: AGCO CORPORATION
Field: Other special machines (Mechanical engineering)
Classification: CPC A | IPC A

Claim 11:
12. A rotary thresher for a combine harvester comprising:
a rotor;
two or more concaves located on a frame surrounding the rotor wherein the frame is configured to rotate around the rotor;
a stationary non-foraminous rotor housing comprising a generally hollow cylinder;
wherein, during a harvesting process, the frame is stationary such that one of the concaves is located in a stationary threshing position at a lower portion of the thresher;
wherein the one of the concaves in the threshing position, is in closer proximity to the rotor than the concaves not in the threshing position; and
wherein a section of the stationary housing is located between the rotor and the or one of the concaves not in the threshing position.