Methods for the installation of earth anchors

Boring or penetrating the earth – Processes

Reexamination Certificate

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Details

C175S320000, C403S378000, C403S379400

Reexamination Certificate

active

07407021

ABSTRACT:
An adapter attachment for an auger which includes an connecting shaft sized and shaped to be attached to the pilot bit hole present in the end of an auger, after the removal of pilot bit. The adapter also includes a bolt flange for connection to a foundation anchor installation plate/tool such as a locking dog assembly. The adapter obviates the need to remove the auger from the Kelly bar during anchor installation. A modification includes eliminating the bolt flange and placing the connecting shaft directly to the locking dog assembly to form a pilot hole locking dog.

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patent: 6681871 (2004-01-01), Drumm et al.
patent: 7188684 (2007-03-01), Nolan
patent: 2007/0231083 (2007-10-01), Nolan
Chance, Helical Foundations for Telecom Structures, Bulletin 02-1010, Rev. May 2004.

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