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LAND ROLLER
专利权人:
发明人:
Barry W. Smyth,Matthew D. Thomson
申请号:
US15452372
公开号:
US20170257996A1
申请日:
2017.03.07
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A land roller is provided with an over-center locking linkage arrangement to help lock a roller frame of the land roller into a raised transport configuration to reduce the likelihood that a failure of the actuator system could cause the roller frame to inadvertently fall and injure a person or cause damage to property. The land roller may be further provided with actuators that are controlled in temporal series from a single controller to simplify and increase the safety of both converting the land roller between the transport configuration and a working configuration and converting side frame sections of the land roller between folded and unfolded positions.
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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