Chipper disc assembly having extended-life regrindable disposable knives
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United States of America Patent
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Dec 21, 1993
Grant Date -
N/A
app pub date -
Feb 24, 1993
filing date -
Feb 24, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A knife assembly for a disc type wood chipper includes a reversible disposable knife having a serrated back bearing surface positioned between a serrated knife clamp and a flat counterknife. The knife can be reground and advanced along the serrated clamping surface of the clamp so as to maintain a desired edge position with respect to the surface of the chipper disc and the anvil surface.
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