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HARVESTING HEAD CONSTANT LIFTING FORCE ASSEMBLY
专利权人:
Deere & Company
发明人:
Brimeyer, Alex,Vandeven, Michael L
申请号:
EP20180169496
公开号:
EP3400779(A1)
申请日:
2018.04.26
申请国别(地区):
欧洲专利局
年份:
2018
代理人:
摘要:
An agricultural harvesting head for an agricultural harvester has a constant force assembly that changes the mechanical advantage of a spring applied to the mainframe of the agricultural harvesting head. As the mainframe of the agricultural harvesting head moves up and down on the front of the combine feederhouse, compressing and decompressing the spring, the constant force assembly changes the mechanical advantage of the spring such that the spring provides a relatively constant lifting force to the mainframe of the harvesting head as the mainframe moves up and down.
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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