Chipper knife and method of manufacturing a chipper knife
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United States of America Patent
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Apr 24, 2012
Grant Date -
Jul 1, 2010
app pub date -
Jan 8, 2008
filing date -
Jan 12, 2007
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A chipper knife that is adapted to be mounted in chippers which have a rotatable tool, in the form of a disc, drum or frustoconical member, on which a plurality of such chipper knives are mounted has at least a first side having a raw, unworked surface or working stripes extending in the longitudinal direction of the chipper knife, substantially parallel to the cutting edge which also has a cutting edge portion extending inwardly from the cutting edge and terminating in a shoulder extending parallel to the cutting edge to provide a clearance step on the knife behind the shoulder with respect to the adjacent knife surface, which edge portion also has working stripes formed therein transverse that cutting edge portion and at an angle to the cutting edge.
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