James J. Paumier,Todd D. Mattison,David B. Mattison
申请号：
US14496297
公开号：
US20150083275A1
申请日:
2014.09.25
申请国别(地区):
US
年份:
2015
代理人:
摘要：
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.
