Patent ID: 7789353

Claim:
A device for the support and linear movement of a rotohammer, said device comprising an elongated shaft, pole or rail having a first end, a second end, the second end proximate to an object to be drilled and having a longitudinal axis, an L-shaped bracket having a first leg slidably mounted on said elongated shaft, pole or rail along its longitudinal axis and a second leg projecting substantially perpendicularly from said first leg, said L-shaped bracket being sized to receive and support said rotohammer, a handle pivotable on said elongated shaft, pole or rail and a linkage bridging said handle and L-shaped bracket and being movable by movement of said handle such that in moving said handle from a first at rest position to a second position, said L-shaped bracket is caused to move along said elongated shaft, pole or rail toward the second end thereof for extending said rotohammer in the direction of an object to be drilled and wherein said first leg of said L-shaped bracket comprises a section of rectangular stock having an elongated slot therein and at least two projections emanating from said elongated shaft, pole or rail positioned to pass within said elongated slot.