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CORN STALK ROLL ARRANGEMENT
专利权人:
Deere &; Company
发明人:
Steve A. Coon,Nathan E. Krehbiel,Dennis P. Silver
申请号:
US16024301
公开号:
US20200000036A1
申请日:
2018.06.29
申请国别(地区):
US
年份:
2020
代理人:
摘要:
A corn harvester includes a first stalk roll having a plurality of first blades circumferentially spaced apart by a first angle. A second stalk roll has a plurality of second blades circumferentially spaced apart by a second angle. The first and second stalk rolls are rotatable about parallel first and second axes that are separated by a centerline therebetween. In an operational state when a tip of one first blade is aligned with the centerline, a tip of one second blade is angularly offset from the centerline by a third angle. The third angle is less than 45% of the second angle. The one first blade forms a cross section perpendicular to the first axis having an altitude extending from the tip toward the first axis along a first blade altitude. The cross section of the one first blade is asymmetric about the first blade altitude.
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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