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AUTOMATED SPRING FORCE ADJUSTMENT ASSEMBLY FOR SEED PLANTER
专利权人:
发明人:
Matt R. Burk,Nicholas R. Alpers,David L. Westphal
申请号:
US15142630
公开号:
US20160316610A1
申请日:
2016.04.29
申请国别(地区):
US
年份:
2016
代理人:
摘要:
An automated spring force adjustment assembly for a seed planter includes a screw. Also included is a spring wound around an outer surface of the screw. Further included is a nut in threaded engagement with the outer surface of the screw and in contact with the spring. Yet further included is a motor operatively coupled to the screw to rotatably drive the screw, rotation of the screw translating the nut, translation of the screw adjusting the compression of the spring.
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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