US 12,439,856 B2
Universal threshing concave for an agricultural combine
Chad A. Koudela, Brazoria, TX (US)
Assigned to Thrashmaster Concaves, LLC, Brazoria, TX (US)
Filed by Thrashmaster Combines, LLC, Brazoria, TX (US)
Filed on Apr. 19, 2022, as Appl. No. 17/724,014.
Application 17/724,014 is a continuation of application No. 16/015,455, filed on Jun. 22, 2018, granted, now 11,317,566.
Claims priority of provisional application 62/524,431, filed on Jun. 23, 2017.
Prior Publication US 2022/0232777 A1, Jul. 28, 2022
This patent is subject to a terminal disclaimer.
Int. Cl. A01F 12/26 (2006.01); A01F 12/24 (2006.01)
CPC A01F 12/26 (2013.01) [A01F 12/24 (2013.01)] 25 Claims
OG exemplary drawing
 
1. 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.