Patents by Inventor Nathan E Krehibiel

Nathan E Krehibiel has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Stripper plate bias force adjustment mechanism
    Patent number: 9179602
    Abstract: A row unit (10) for a cornhead comprises a frame (12), a pair of stalk rolls (14) and a pair of stripper plates (16) forming a stripper gap (20). At least one of the stripper plates (16) is a shiftable stripper plate (16) that is shiftable in a horizontal direction transversely to the longitudinal extent of the stripper gap (20). A spring (32, 32?) has a central helical part (34) winding around a pin (40) connected to the shiftable stripper plate (16) and outer end parts (36) abutting a respective one of two members (44, 54) connected to the frame (12) on opposite sides of the pin (40).
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: November 10, 2015
    Assignee: DEERE & COMPANY
    Inventors: Michael L Vandeven, Nathan E Krehibiel