The earth anchor improved

The earth anchor improved

  • CN 101,410,572 B
  • Filed: 06/15/2007
  • Issued: 09/16/2015
  • Est. Priority Date: 12/19/2006
  • Status: Active Grant
First Claim
Patent Images

1. an earth anchor, comprises the substantially cylindrical main body with front and back ends and top, bottom, longitudinal axis, the lip that turns up held in the rear, from the salient rib that the top of main part extends radially outwardly, this salient rib has leading surface and is defined for the tie point connecting tension member, at least one first basic tabular component, this tabular component extends from the front end of described main body, end at spaced apart with described main body and there is the leading edge of top and bottom edged surface, described leading edge comprises multiple independent chiseled edges section, described edge section from the adjacent edge section axially outwards arranged towards described main body stepped backward, and be basically perpendicular to described longitudinal axis from neighboring edge section and stretch out, step-like edge section is backward arranged on every side of the plane parallel with fore-and-aft plane, this fore-and-aft plane is positioned at the described rib of described main body in the middle of the described top of its projection and the bottom part body that arrange contrary to described rib of described main body, this first basic tabular component has and extends towards described main body backward from the chiseled leading edge in radially face, and the drift angle face of aliging with the leading surface of described salient rib, described earth anchor also comprises every side of being arranged on described main body and to be positioned in the middle of described top and described bottom and at least to extend at least one rib of the described rear end of described main body from the described front end of described main body, this side rib is V-arrangement substantially in the cross section perpendicular to described longitudinal axis, and each side rib has single chiseled leading edge, wherein the single chiseled leading edge of the described side rib of V-arrangement and the leading edge of described earth anchor spaced apart, and described side rib is 20% or less of described anchor body width from the distance of described anchor body projection.

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