Boring or penetrating the earth – With tool shaft detail – Helix or helically arranged structure
Reexamination Certificate
2008-04-08
2008-04-08
Neuder, William P (Department: 3672)
Boring or penetrating the earth
With tool shaft detail
Helix or helically arranged structure
C403S378000, C403S379400
Reexamination Certificate
active
10892972
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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Lewis, Rice & Fingersh L.C.
Neuder William P
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