Concave with an array of longitudinally notched spaced apart threshing elements

  • US 8,454,416 B1
  • Filed: 08/15/2012
  • Issued: 06/04/2013
  • Est. Priority Date: 09/09/2011
  • Status: Active Grant
First Claim
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1. A threshing concave for an agricultural combine, comprising:

  • a frame comprised of a plurality of members interconnected to one another and including a pair of said members spaced apart opposite, and extending generally parallel, to one another, each of said opposite members having an upper portion with a top edge thereon and a plurality of openings formed in said upper portion adjacent to and below said top edge, said openings being spaced apart from one another such that said spaced apart openings formed in one of said opposite members respectively correspond with said spaced apart openings formed in the other of said opposite members; and

    an array of threshing elements supported by and extending between said opposite members of said frame and being spaced apart and extending generally parallel to one another;

    said threshing elements being elongated bars having round configurations in cross-section, each bar havinga pair of opposite ends each being respectively seated in a respective one of said corresponding openings of said opposite members of said frame, anda notch formed in said bar and extending longitudinally between said opposite ends of said bar such that said notch defines an aggressive threshing edge recessed into said bar and disposed adjacent to said upper portions of said opposite members of said frame and facing opposite to the direction of crop material flow relative to said threshing concave.

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