×

Agricultural cultivator

  • US 5,361,848 A
  • Filed: 09/09/1992
  • Issued: 11/08/1994
  • Est. Priority Date: 09/09/1992
  • Status: Expired due to Fees
First Claim
Patent Images

1. In an agricultural cultivator having a toolbar adapted to be pulled by a tractor, a plurality of cultivator units, a four-bar linkage for mounting each cultivator unit to said toolbar, each cultivator unit including a main frame connected to its associated four-bar linkage, a depth gauge wheel supporting said main frame for determining the operating depth of ground-engaging tools on said unit and a sweep carried by said main frame behind said gauge wheel, the improvement in said units comprising:

  • a hiller disc assembly including a mounting bar extending laterally to both sides of said main frame;

    first and second discs mounted respectively to the right and left sides of said mounting bar; and

    adjustment means mounted to said main frame of said unit and carrying said mounting bar for adjustably setting the operating height of said discs relative to said main frame.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×