Patent ID: 7246975
Filing Date: 2007-07-24
Classification: B23B,Y10T

Abstract:
1. A hole cutting device comprising: a body defining an axis and having a distal end portion terminating in a distal edge, the body having a substantially cylindrical exterior; the distal end portion defining an interior, the interior defining a distal recess extending proximally from the distal edge, the distal end portion further defining a notch, wherein the notch extends less than the full length of the body in the axial direction of the body and extends farther in the axial direction than the distal recess; a cutting tip detachably securable with said notch, a portion of the cutting tip extending distally from said distal edge; a pilot member detachably secured with the body along said axis and extending from said distal end portion, said pilot member adapted to align the cylindrical body; and a shank member integral with the body; the shank member extending from a proximal end of the body along the axis, the shank member adapted for engagement with a rotational drive.