Patent ID: 6382890
Filing Date: 2002-05-07
Classification: B23B,B23C,B23Q,Y10T

Abstract:
A hand tool apparatus for using a cutting tool with a first width and a tool axis to machine a hole in an object, the hole having a second width at least as large as the first width of the cutting tool, whereby the tool axis passes through a predetermined point on a surface of the object, said apparatus comprising;a pneumatic axial feed mechanism configured for moving the cutting tool in an axial direction; a pneumatic actuating assembly including a housing, said housing containing: a spindle motor attached to a shaft configured for rotating the cutting tool about the tool axis; at least one cavity configured for receiving a compressed gas for powering at least one of said axial feed mechanism and said spindle motor, said at least one cavity comprising at least one circumferential cavity substantially surrounding at least one of said spindle motor and said shaft; and a radial offset mechanism configured for adjusting said actuating assembly such that the is tool axis is offset from a principal axis; and a second motor contained in said housing and configured for rotating said actuating assembly and the cutting tool about the principal axis, said second motor disposed radially outwardly of and in substantial side by side relation with said actuating assembly relative to the principal axis.