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US 4,400,114 AGranted
Earth anchor apparatus and method
AssigneeThe United States of America as represented by the Secretary of Agriculture
InventorsTeddy L. Pickett, Jerry L. Edwards
Life of this patent
Estimating the term…
Abstract
An apparatus and method for installing an extending plate earth anchor using extension plates, a hydraulic jack which works against the side of the wall, and techniques for load stress distribution are shown and described.
Claims10
An extending plate earth anchor assembly for anchoring a cable at the bottom of a hole in the earth comprising in combination:
- (a) a base plate;
- (b) extension plates having jack lug extensions;
- (c) means for locking said base plate and said extension plates together when the base plate-extension plate assembly is completed;
- (d) a removable jack means for jacking said extension plates into the sides of said hole having a first end connected to one of said extension plate jack lug extensions;
- (e) a removable wall bearing plate means placed between a second end of said jack means and a side of said hole for distributing the force of said jack means on the hole side wall;
- and
- (f) cable attachment means connected to said base plate-extension plate assembly.
4 more elements
The method of installing an extending plate earth anchor in a hole comprising the steps of:
- (1) excavation of a hole in the ground;
- (2) inserting in the hole a base plate;
- (3) placing a first extending plate on top of said base plate, said extending plate having a jacking lug extending upward;
- (4) positioning a wall bearing plate means on the side of said hole opposite from said jacking lug on said extending plate;
- (5) placing a jack means between said wall bearing plate and said jacking lug;
- (6) jacking said extension plate into the side of said hole;
- (7) removing said jack and wall bearing plate from said hole;
- (8) placing one or more additional extending plates in said hole by repeating steps 3 through 6;
- and
- (9) locking said base plate and said extending plates together to form a base plate-extension plate assembly;
- and
- (10) attachment of a cable to said base plate-extension plate assembly.
9 more elements
Dependencies are inferred from the claim text.