Patent ID: 7721825

Claim:
A portable boring machine for cutting holes in a cutting surface comprising: a frame having a pair of handles horizontally spaced apart and horizontally extending outward from an upper-rear portion of the frame; a vacuum system to secure a front end of the portable machine to the cutting surface; a hydraulic boring sub-assembly operatively attached to the front end of the frame, the hydraulic boring system having a boring head, and a hole saw operatively attached to the boring head via a rotary drive shaft; a water cooling/lubrication system to provide cooling and/or lubrication to the hole saw; multiple power driven wheels operatively attached to a bottom of the frame; and an engine mounted within the frame to power to the multiple power-driven wheels, wherein an operator activates the engine with a drive actuator located on an upper-rear portion of the frame between the handles, and wherein the operator grasps the handles and walks behind the portable boring machine to transport the portable boring machine to different cutting locations.