Apparatus and method for cutting a bore including automatic system for retracting the cutting tool

An apparatus for cutting a bore comprising:

• a boring assembly having a cutting device coupled to a housing, a first groove and a second groove being provided in a bottom surface of the housing adjacent a mounting surface on which the housing is positioned, the first and second grooves being laterally spaced from each other and being in fluid communication with a source of fluid that is selectively provided to one of the first and second grooves, the housing being pushed away from the mounting surface when fluid is provided to one or both of the first and second grooves;
• a first piston and a second piston spaced laterally from each other and in fluid communication with the source of fluid, fluid being selectively provided to one of the first and second pistons, the first and second pistons being coupled to the housing and resisting movement of the housing along the mounting surface when fluid is provided to one or both of the first and second pistons;
• and
• a control system coupled to the cutting device and to the source of fluid, the control system forcing fluid to flow to one of the first and second grooves and to one of the first and second pistons to tilt the cutting device away from a wall of a bore cut by the cutting device.