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US 12,439,856 B2Granted
Universal threshing concave for an agricultural combine
AssigneeThrashmaster Concaves, LLC
InventorChad A. Koudela
Life of this patent
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Abstract
A universal threshing concave for an agricultural combine for harvesting different types of crops is disclosed. The threshing concave comprises a frame with a pair of opposite side members and opposite end members. The invention further comprises an array of threshing bars angled and notched along their longitudinal extent, and hexagonal in cross-section. Each bar is seated in openings in the end members of said frame.
Claims25
A method of manufacturing a threshing concave for an agricultural combine, comprising:
- providing a curved frame comprising two curved end members extending between two side members;
- and
- coupling a plurality of straight threshing bars, each threshing bar extending between the two curved end members, wherein the threshing bars are positioned at non-perpendicular angles to the two curved end members, at non-parallel angles to the two side members, and between the two curved end members and each threshing bar is positioned at a non-parallel angle to the adjacent threshing bars.
A method of installing a threshing concave on an agricultural combine, comprising:
- providing at least one threshing concave, wherein the threshing concave comprises:
- a curved frame comprising two curved end members extending between two side members;
- and
- a plurality of straight threshing bars, each threshing bar extending between the two curved end members, wherein the threshing bars are positioned at non-perpendicular angles to the two curved end members and between the two curved end members, at non-parallel angles to the two side members, and each threshing bar is positioned at a non-parallel angle to the adjacent threshing bars;
- and
- coupling the at least one threshing concave to the agricultural combine.
3 more elements
Dependencies are inferred from the claim text.