US2021204481A1PendingUtilityA1

Threshing beds and concave for an agricultural combine formed therewith

73
Individually held — no corporate assignee on recordPriority: Mar 5, 2014Filed: Mar 21, 2021Published: Jul 8, 2021
Est. expiryMar 5, 2034(~7.6 yrs left)· nominal 20-yr term from priority
Inventors:Kevin J. Kile
A01F 12/44A01F 12/32A01F 12/26A01F 12/28A01F 12/446A01F 12/442A01F 12/24A01F 12/22A01F 12/00A01F 7/04
73
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Claims

Abstract

A concave for an agricultural combine includes threshing beds carried by a base frame and forming openings therebetween for grain to pass through. Each threshing bed includes a first end, a second end, a length from the first end to the second end, an inner extremity, an outer extremity, and a separating grate extending across one of the openings for separating grain from threshed crop material. The separating grate extends along the length between the first end and the second end, is between the inner extremity and the outer extremity and includes grate openings and spaced-apart bars. The bars are between adjacent grate openings and include struts each connecting two adjacent parts of the separating grate between adjacent grate openings and severed bars each including bar segments extending inwardly toward one another to respective free ends on either side of a gap between adjacent grate openings.

Claims

exact text as granted — not AI-modified
1 - 25 . (canceled) 
     
     
         26 . A concave for an agricultural combine comprising threshing elements carried by a base frame and forming openings therebetween for grain to pass through, each said threshing element includes a first end, a second end, an inner extremity, an outer extremity comprising an unbroken, upwardly-facing deflecting surface extending from the first end to the second end, and a separating grate extending across an adjacent one of the openings between the inner extremity and the outer extremity for separating grain from threshed crop material. 
     
     
         27 . The concave according to  claim 26 , wherein the outer extremity overlaps the inner extremity of an adjacent threshing element. 
     
     
         28 . The concave according to  claim 26 , wherein the separating grate comprises spaced apart fingers. 
     
     
         29 . The concave according to  claim 26 , wherein the separating grate defines threshing edges. 
     
     
         30 . The concave according to  claim 26 , wherein the deflecting surface is between the separating grate and a threshing edge of the outer extremity. 
     
     
         31 . A concave for an agricultural combine comprising threshing beds carried by a base frame and forming openings therebetween for grain to pass through, each said threshing bed is entirely flat and includes an upwardly-facing surface, a downwardly-facing surface, a first end, a second end, an inner extremity, an outer extremity, and a separating grate extending across an adjacent one of the openings between the inner extremity and the outer extremity for separating grain from threshed crop material. 
     
     
         32 . The concave according to  claim 31 , wherein the inner extremity is unbroken from the first end to the second end. 
     
     
         33 . The concave according to  claim 31 , wherein the outer extremity is unbroken from the first end to the second end. 
     
     
         34 . The concave according to  claim 31 , wherein the outer extremity overlaps the inner extremity of an adjacent one of the threshing beds. 
     
     
         35 . The concave according to  claim 31 , wherein the separating grate defines threshing edges at the upwardly-facing surface. 
     
     
         36 . A threshing element for a concave for an agricultural combine, the threshing element comprising a first end, a second end, an inner extremity, an outer extremity comprising an unbroken, upwardly-facing deflecting surface extending from the first end to the second end, and a separating grate extending between the inner extremity and the outer extremity for separating grain from threshed crop material. 
     
     
         37 . The threshing element according to  claim 36 , wherein the separating grate defines threshing edges. 
     
     
         38 . The concave according to  claim 35 , wherein the deflecting surface is between the separating grate and a threshing edge of the outer extremity. 
     
     
         39 . A threshing bed for a concave for an agricultural combine, the threshing bed is entirely flat and comprises an upwardly-facing surface, a downwardly-facing surface, a first end, a second end, an inner extremity, an outer extremity, and a separating grate extending between the inner extremity and the outer extremity for separating grain from threshed crop material. 
     
     
         40 . The threshing element according to  claim 39 , wherein the inner extremity is unbroken from the first end to the second end. 
     
     
         41 . The threshing element according to  claim 39 , wherein the outer extremity is unbroken from the first end to the second end. 
     
     
         42 . The concave according to  claim 39 , wherein the separating grate defines threshing edges at the upwardly-facing surface.

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