Radial crest insert
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United States of America Patent
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-
Dec 22, 1992
Grant Date -
N/A
app pub date -
Nov 26, 1991
filing date -
Nov 26, 1991
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A chisel insert for rolling cone rock bits is disclosed in which the crest of the insert has a 'dog bone' shape by being rounded with the crest ends flaring out to a larger dimension than the middle thereof. The crest is also convex upwardly along its median line thereby making a shorter moment arm at the ends of the crest.
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Cited Art Landscape
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