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Walk-behind soil aerator
专利权人:
David M. Cook
发明人:
David M. Cook
申请号:
US12644335
公开号:
US08291991B1
申请日:
2009.12.22
申请国别(地区):
US
年份:
2012
代理人:
摘要:
A walk-behind soil aerator includes an engine, a differential, and left and right tine assemblies driven by the first and second output shafts of the differential, and a variable speed drive means between the engine and the differential, as well as a control means accessible by an operator walking behind the aerator which allows the operator to make tight turns by gradually reducing the speed of the drive means to a desired slow speed in order for the driven tines to drive the aerator through the turn and then gradually increasing the speed of the drive means without having to change the engine speed.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/
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