Stump grinding disk and wear strips therefor
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United States of America Patent
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Oct 13, 2009
Grant Date -
Feb 15, 2007
app pub date -
Jul 13, 2006
filing date -
Aug 9, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A stump grinding disk includes a metallic wheel defining an axis of rotation and including a pair of side surfaces and a circumferential outer edge surface. The outer edge surface includes a plurality of circumferentially spaced recesses. Each recess extends axially completely through the disk. A plurality of side cutting elements are mounted on each side surface. A plurality of outer peripheral cutters are spaced circumferentially apart around the outer edge surface. Wear strips are mounted in respective recesses. Each wear strip includes a metal matrix in which hard particles are disposed. Each wear strip defines a radially inner surface affixed to the wheel, and a radially outer surface arranged substantially flush with adjacent portions of the outer edge surface.
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