Abstract

A plug cutter is described that is rotatable about an axis of rotation. the plug cutter has a main body having a longitudinal axis coinciding with the axis of rotation. The main body defines a bore extending axially therein. A shank extends axially from one end of the main body along the axis of rotation. A plurality of cutting blades extend axially from the opposite end of the main body and each terminate in a distal end. The plurality of blades are adapted to cut a plug from a piece of stock as the plug cutter is rotated about the axis of rotation and advanced axially into the piece of stock. Each of the blades has leading and trailing edges. Each of the blades also has an inner surface and a radially relieved portion facing the bore. The radially relieved portion begins at a relief start position and ends at a relief end position so that, as the plug cutter cuts the plug, a gap is defined between an outer surface of the plug being cut and the radially relieved portion. The plug cutter also includes a plug ejecting portion extending through the main body to permit removal of the plug from the plug cutter. Finally, the bore may be tapered inwardly or outwardly from the blades to the main body.

Other References

• "Power Tool Accessories" Catalog from the Primark Tool Group, p. 206 (1999)
• "Genuine Snug-Plug Cutters", Fine Woodworking, No. 104, Feb. 1994, Newton, CT, p. 115
• W.L. Fuller Inc., Condensed Catalog 20A, Oct. 1988 pp. 11 and 12 are back cover
• W.L. Fuller Inc., Catalog Twenty Three, 1994, pp. 33 and 34 and back cover
• Trend 1993/94 Routing Technology Catalog, pp. 57 and 59
• Woodworker's Supply, Inc., Catalog #85, Jun. 1993, p. 12