Patent ID: 8662198

Claim:
An apparatus for driving piles or drilling holes, comprising: a self propelled vehicle having a front and a rear; a mounting platform supported by the vehicle; a rigid telescoping lifting and positioning arm having a mounting end and a remote end, the mounting end being secured to a rotating pivot mounted directly to the platform, the rotating pivot defining a vertical axis and the mounting end of the arm being rotated about the vertical axis relative to the platform, wherein the remote end of the arm is positioned in a selected radial orientation relative to the platform, the mounting end of the arm pivoting about a substantially horizontal axis, positioned on the rotating pivot above and closely spaced to the platform, the arm is moved up and down to position the remote end of the arm at a selected height above or below the platform, and, the arm extendible and retractable for positioning the remote end of the arm at a selected distance from the platform; and one of a pile driver or drill assembly is pivotally mounted to the remote end of the arm.