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Ripper assembly for tractor drawn scraper

  • US 4,015,348 A
  • Filed: 09/30/1975
  • Issued: 04/05/1977
  • Est. Priority Date: 09/30/1975
  • Status: Expired due to Term
First Claim
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1. In an earth working machine which comprises a scraper having a bowl with a back, a bottom, two sides and a forward cutting edge, a spreader forward of said cutting edge and supported by forward extensions of said sides, a tractor forward of said spreader for pulling said scraper and means for raising and lowering a forward end of said scraper relative to said tractor, a ripper assembly which raises and lowers in fixed relation to said spreader and to said cutting edge on operation of said raising and lowering means comprising:

  • a beam suspended generally vertically downwardly fraom said spreader and generally forwardly from said bowl;

    a plurality of ripper sockets extending laterally from said beam;

    a plurality of ripper shanks held in said sockets;

    a means for adjusting the vertical separation between said beam and said spreader;

    a pair of telescoping means between said beam and said spreader pivotally attached to a respective one of said beam and said spreader; and

    a pair of arms, each pivotally attached at a first end thereof to a respective side of said bowl and attached at a second end thereof to said beam generally at an end thereof, said pair of arms, sides of said bowl and a pair of telescoping means forming a pair of triangular braces for said ripper assembly.

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