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Concaves for an agricultural combine

  • US 10,440,893 B2
  • Filed: 03/13/2018
  • Issued: 10/15/2019
  • Est. Priority Date: 03/05/2014
  • Status: Active Grant
First Claim
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1. A concave for an agricultural combine, comprising:

  • a first frame;

    a second frame movable between a first position spaced apart from the first frame and a second position juxtaposed on either side of the first frame;

    a threshing mat, the threshing mat comprises threshing bars each including a separating grate, and an engagement assembly non-destructively connecting each of the threshing bars to the first frame, wherein the threshing bars form openings therebetween for grain to pass through, the separating grate of each of the threshing bars extends across an adjacent one of the openings for separating grain from threshed crop material, and the separating grate of each of the threshing bars is fixedly connected to an adjacent one of the threshing bars; and

    the engagement assemblies allow non-destructive removal of the threshing mat from the first frame, when the second frame is spaced apart from the first frame, and the threshing mat remains non-destructively connected to the first frame via the engagement assemblies and the second frame interacts with the threshing mat on either side of the first frame alone restraining non-destructive removal of the threshing mat from the first frame via the engagement assemblies, when the second frame is in the second position juxtaposed on either side of the first frame.

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