Asymmetrical bone drill
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 24, 1990
Grant Date -
N/A
app pub date -
Dec 22, 1988
filing date -
Dec 22, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drill for forming a hole in material has a shank with at least a base surface positioned at an angle to a longitudinal axis of the shank and a side surface. A cutting element having first and second ends is eccentrically connected to the base surface in such a manner that a longitudinal axis of the cutting element is situated at a predetermined distance from a longitudinal axis of the shank. An outer surface of the body of the cutting element is defined by at least a front surface and a rear surface intersecting each other along at least a cutting edge. The rear surface is tapered toward the longitudinal axis of the shank so that only the cutting edge and the drill point engage the material and a substantial open area exists between the outer surface of the cutting element and the hole during the entire process of drilling.
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Family
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