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TRACTEUR
专利权人:
Yanmar Co.; Ltd.
发明人:
MIYAZAKI, Takeshi,MIWA, Toshiyuki
申请号:
EP17877696
公开号:
EP3549418A4
申请日:
2017.11.30
申请国别(地区):
EP
年份:
2020
代理人:
摘要:
There is provided a technique of reliably preventing actuation of a work machine at engine startup. In a tractor in which a lift valve of a hydraulic system for lifting up/down a work machine is mechanically coupled to a lift lever, conditions for engine startup are set as follows: a reverser lever is at a neutral position; a PTO clutch is disengaged; a seat switch is ON; and the lift lever is at a lowermost position. A switch driving unit is provided on a side face of the lift lever, the side face being orthogonal to a turning direction of the lift lever; a switch is provided so as to be opposed to the switch driving unit when the lift lever is turned to be at the lowermost position; and the lift lever at the lowermost position is detected by the switch.
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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