Patent ID: 7240743

Claim:
A body for insertion into a prepared opening in the ground consists of, an elongate body having a head end and an inserted end wherein said inserted end has a downwardly facing opening that is coaxial to said elongate body and that opens to a hollow portion of said elongate body and the outer diameter of the body is constant along the head and inserted ends wherein the prepared opening is smaller in outer diameter than the inserted end of the elongate body and wherein the downwardly facing opening is adapted for reaming said prepared opening using a slicing action so as to allow the head end to lie adjacent the ground surrounding the body and for soil to drop to the bottom of the prepared hole and at least a portion of the dropped soil entering the hollow portion of the elongate body when the body is positioned in the prepared opening, wherein said hollow portion is terminated along the length of the elongate body to form a head end chamber and an inserted end chamber in the body so that each chamber is physically isolated from the other.