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Adjustable earth-moving attachment for a vehicle

  • US 4,802,293 A
  • Filed: 11/20/1987
  • Issued: 02/07/1989
  • Est. Priority Date: 11/20/1987
  • Status: Expired due to Fees
First Claim
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1. An earth-moving attachment for a vehicle comprising:

  • a main frame assembly which includes a main frame-to-vehicle attaching means adapted to be mounted on the vehicle, a main beam connected at one end thereof to said main frame-to-vehicle attaching means and extending outwardly therefrom to have the longitudinal centerline thereof aligned with the direction of movement of the vehicle along a path;

    a pair of earth-moving blade assemblies which can be movably mounted on said main beam, each earth-moving blade assembly includinga blade for moving earth in a predetermined direction with respect to the path,an inner edge on said blade locatable adjacent to said main beam,an outer edge on said blade,a first blade-to-main beam attaching means attaching said blade to said main beam,a second blade-to-main frame attaching means attaching said blade to said main beam,said first blade-to-main beam attaching means including means for adjusting the height of said blade above the path and means for adjusting the position of the inner edge of said blade with respect to said main beam longitudinal centerline, andsaid second blade-to-main beam attaching means including means for adjusting the position of the outer edge of said blade with respect to said main beam longitudinal centerline.

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