Patent ID: 6899187

Claim:
An impact tool in combination with a hollow pole comprising: a) the hollow pole having a top and bottom end and a mid-section, b) an annular ring member having a top and bottom surface and an annular outer circumference, the annular ring member mounted to the hollow pole at the mid-section, c) the impact tool consisting of a cylindrically shaped hammer sleeve having open top and bottom ends, a center channel and an annular inner surface, the annular inner surface having an annular circumference greater than that of the annular ring member annular outer circumference, and d) first and second weight members mounted within the hammer sleeve center channel through the open top and bottom ends respectively, the first and second weight members on opposed sides of the annular ring member and providing an upper and lower limit to the hammer sleeve sliding axially around the hollow pole, the first weight member impacting the top surface of the annular ring member on a downward stroke of the hammer sleeve to drive the hollow pole downwardly into a ground surface and the second weight member impacting the bottom surface of the annular ring member on an upward stroke of the hammer sleeve to move the hollow pole upwardly from the ground.