Drill bit for producing undercuts
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 5, 1991
Grant Date -
N/A
app pub date -
Jun 9, 1989
filing date -
Jun 10, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drill bit for producing an undercut. The drill bit includes a shaft and a cutting edge that is disposed asymmetrically radially beyond the shaft in a front end portion of the drill bit. A planar guide surface is provided on a conical end face of the drill bit. This guide surface is disposed radially opposite the cutting edge. The guide surface terminates at a concentric tip of the drill bit.
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