Benjamin J. Kovalick,David L. Cox,Bruce R. Vahling
申请号：
US15959413
公开号：
US10774503B2
申请日:
2018.04.23
申请国别(地区):
US
年份:
2020
代理人:
摘要：
A motor grader including a frame and a scarifier system coupled to the frame. The scarifier system includes a first pin member and second pin member both coupled to the frame and interconnected to one another. The scarifier system also includes a first and second arcuate drawbar arms in spaced relation and coupled to the first pin member and a carriage. An actuator is coupled to the first arcuate drawbar arm and the second pin member to rotate the carriage about a pivot axis of the first pin member.
