Patents by Inventor Rodney G. Koertner

Rodney G. Koertner 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).

  • Patent number: 4747810
    Abstract: A drive system preferably a belt drive in which a belt is trained about a pair of sheaves rotating on a pair of parallel axes and tensioned by an idler means intermediate the sheaves, the idler means being mounted on a carrier by means of self-aligning bearing means to enable the idler means to conform to irregularities in the belt during operation.
    Type: Grant
    Filed: October 14, 1981
    Date of Patent: May 31, 1988
    Assignee: Deere & Company
    Inventors: Laurel A. Shepley, Rodney G. Koertner
  • Patent number: 4253343
    Abstract: A belt drive system featuring an adjustable belt tightener including coordinated gauge means for designating the proper belt tension according to changing positions of the belt tightener as the belt stretches during operation of the drive.
    Type: Grant
    Filed: July 10, 1979
    Date of Patent: March 3, 1981
    Assignee: Deere & Company
    Inventors: Robert D. Black, Rodney G. Koertner