CUTTING SHAFT FOR VERTICAL STUMP GRINDER
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United States of America Patent
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Issued Date -
Mar 26, 2015
app pub date -
Sep 25, 2014
filing date -
Sep 26, 2013
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Abstract
The invention relates to a stump grinder that rotates about a vertical axis and includes an improved cutting shaft. The improved cutting shaft includes a base portion attached to a drive source, and a grinding shaft attached to and extending downwardly from the base portion. The grinding shaft includes replaceable cutting teeth and a replaceable grinding tip.
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