Wheeled Frame With Reversible Draft Member Patents (Class 172/214)
  • Patent number: 5609214
    Abstract: An agricultural machine to operate over a wide area in a single pass has a frame supported on swivelable land wheels which wheels are mounted on extensible shafts connected to the frame, the frame carrying at least two sub-frames rotatable relative to the frame in a horizontal plane and each sub-frame carrying at least two agricultural implements. The frame may be made in sections pivotally joined end to end to allow relative movement between the sections in a vertical plane.
    Type: Grant
    Filed: January 19, 1995
    Date of Patent: March 11, 1997
    Inventor: Ruben H. Vermaak
  • Patent number: 4068722
    Abstract: This combine manure-crushing and soil-mixing rotary machine adapted to be hitched to a tractor is provided with a tool carrier shaft operable at least at two different velocities, namely a higher speed for performing the manure-crushing operation and a lower speed for performing the soil-mixing operation; the change from one velocity and one mode of operation to the other is obtained by simply interchanging gear wheels and reversing the machine end hitched to the tractor. (FIG.
    Type: Grant
    Filed: February 2, 1976
    Date of Patent: January 17, 1978
    Inventor: Emile Le Guelennec