Trepanning and boring tool
AssigneeMuskegon Tool Industries
InventorsGeoffrey Gill, Donald W. Pratt, Bryant W. Green
Life of this patent
Estimating the term…
Abstract
A trepanning tool is adapted to receive attachments for performing boring operations on trepanned holes. The attachments interengage with the trepanning unit to establish a boring diameter concentric with, and adjustable with respect to, the trepanned diameter without removing the trepanning cutter.
Claims7
A trepanning and boring tool including a tubular body portion having trepanning cutting means mounted at an end of said body portion and adapted to cut along a circular path incompassing the axially-projected cross-sectional area of the wall of said body portion, wherein the improvement comprises:
- a boring attachment removeably secured to said body portion, and disposed to cut on a diameter in excess of the diameter established by said trepanning cutting means.
Dependencies are inferred from the claim text.