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Machine for spreading fertilizer and seed

  • US 4,202,474 A
  • Filed: 12/22/1976
  • Issued: 05/13/1980
  • Est. Priority Date: 12/31/1975
  • Status: Expired due to Term
First Claim
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1. A machine for spreading fertilizer and seed movable in a working direction for said spreading and in a transport direction which is at right angles to the working direction, wherein the width of said machine with respect to its working direction of travel is greater than its length with respect thereto, said machine comprising at least two individual machine units having lateral and transverse sides and assembled together in lateral relationship to each other by laterally located and extending hitch elements on each of said machine units, each of said machine units having a chassis borne at three support points disposed in a triangular array by wheels during movement in the working direction and movement in the transport direction, additional hitch elements on the transverse side towards the working direction of each machine unit, said additional hitch elements being spaced a distance c from each other on the front transverse side of each machine unit and the laterally located hitch elements on each of the machine units being spaced the distance c from each other, said wheels each being a swivally mounted wheel swivable about a vertical axis, at least one said swivel wheel on each machine unit being lockable in the working direction and in the transport direction, said assembled together machine units being pivotable with respect to each other about a pivot axis parallel to the working direction by means of said hitch elements on the lateral sides of said machine units, and being pivotable about a second pivot axis running horizontally and transversely to said working direction.

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