Patent ID: 6719505
Filing Date: 2004-04-13
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 to be machined by the cutting tool having a second width which is larger than the first width of the cutting tool, said apparatus comprising:a housing; a carrier non-rotatably mounted to and axially moveable relative to said housing; a spindle unit having a principal axis, said spindle unit including a spindle motor and a spindle shaft for rotating the cutting tool about said tool axis, which tool axis is offset from the principle axis, said spindle unit extending through said carrier and secured thereto against axial movement while being rotational relative to said carrier about said principal axis; an orbital drive motor mounted on said carrier and drivingly connected to said spindle unit for rotating said spindle unit about said principal axis relative to said carrier; and an axial feed mechanism configured for moving said carrier axially relative to said housing.