×

Large capacity bulldozer

  • US 3,121,964 A
  • Filed: 04/02/1962
  • Issued: 02/25/1964
  • Est. Priority Date: 04/02/1962
  • Status: Expired due to Term
First Claim
Patent Images

1. A BULLDOZER MOUNTED ON PUSH ARMS FORWARDLY OF A TRACTOR WITH MEANS FOR RAISING AND LOWERING THE FORWARD ENDS OF THE ARMS AND MEANS TO EFFECT FORWARD PITCHING OF THE BULLDOZER WITH RESPECT TO THE ARMS COMPRISING A MOLDBOARD, END WALLS EXTENDING FORWARDLY FROM OPPOSITE ENDS OF THE MOLDBOARD, AND A CUTTING EDGE EXTENDING BETWEEN THE LOWER FORWARD PORTIONS ONLY OF THE END WALLS LEAVING AN OPEN BOTTOMLESS AREA BETWEEN THE CUTTING EDGE, THE MOLDBOARD AND THE TWO END WALLS WHEREBY MATERIAL GATHERED BY THE CUTTING EDGE IN FORWARD MOVEMENT WILL

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×