Wood router bit
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United States of America Patent
Stats
-
Jun 28, 1994
Grant Date -
N/A
app pub date -
Dec 11, 1992
filing date -
Dec 11, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A router bit for laterally cutting through sheets of wood product, such as plywood and the like. The bit includes a shank portion adapted to be gripped in the chuck of a router, a fluted portion, and a tip. The fluted portion has two helical left-hand flutes. Each flute has a cutting edge and a web portion having a convex surface that extends rearwardly and immediately inwardly from the cutting edge, without a land, in a continuous curve. The flutes are formed by parabolic grinding. In one embodiment the tip is conical in shape and has two diametrically opposed tip flutes for cutting axially into a workpiece. In another embodiment the tip is flat and the bit is adapted only to cut laterally through the workpiece.
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Cited Art Landscape
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