Patents Assigned to Great Plains Manufacturing, Incorporated
  • Patent number: 4211288
    Abstract: A foldable implement construction includes an implement tool carrying center frame pivotally connected to a draft frame and is provided with a pair of transversely extending outrigger tool sections connected on respective opposite sides of the center frame by a single ball and socket-like hinge which provides a single hinge for both horizontal swinging of the outrigger sections from their transversely extending working position to a longitudinally extending transport position, and further provides for radial pivotal movement of the outrigger sections in their working position to allow the latter to cant and rise and fall in accordance with uneven terrain.
    Type: Grant
    Filed: October 10, 1978
    Date of Patent: July 8, 1980
    Assignee: Great Plains Manufacturing Incorporated
    Inventor: Roy E. Applequist
  • Patent number: 4171022
    Abstract: A foldable implement construction includes an implement tool carrying center frame pivotally connected to a draft frame and is provided with a pair of transversely extending outrigger tool sections connected on respective opposite sides of the center frame by a single ball and socket-like hinge which provides a single hinge for both horizontal swinging of the outrigger sections from their transversely extending working position to a longitudinally extending transport position, and further provides for radial pivotal movement of the outrigger sections in their working position to allow the latter to cant and rise and fall in accordance with uneven terrain.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: October 16, 1979
    Assignee: Great Plains Manufacturing Incorporated
    Inventor: Roy E. Applequist