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Concave for an agricultural combine

  • US 6,193,604 B1
  • Filed: 07/07/1999
  • Issued: 02/27/2001
  • Est. Priority Date: 07/07/1999
  • Status: Expired due to Term
First Claim
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1. A concave for a crop processing unit having a rotating member rotating about an axis that cooperates with the concave to thresh a crop, the concave comprising one or more concave sections each having:

  • a frame having curved end members axially spaced from one another and two straight support members joined to the curved end members; and

    an array of straight rectangular bars and straight round bars spaced from one another and extending axially between the curved end members forming openings therebetween for grain to pass through with the rectangular bars and the round bars being arranged in an alternating fashion with one another and being welded to the frame.

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