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AGRICULTURAL TRENCH CLOSING APPARATUS
专利权人:
Precision Planting LLC
发明人:
SAUDER, Derek,HODEL, Jeremy,MUHLBAUER, Cory
申请号:
EP18161603
公开号:
EP3351081A1
申请日:
2013.10.24
申请国别(地区):
EP
年份:
2018
代理人:
摘要:
The present disclosure relates to an agricultural planter row unit (10) configured to move in a forward direction along a soil surface, the planter row unit (10) including a row unit frame (14) supporting a trench opening assembly (18) configured to open a seed trench (3) in the soil surface into which seed (5) is deposited, the row unit (10) further comprising: a closing assembly (100, 100) disposed rearward of the trench opening assembly (18), said closing assembly (100, 100) comprising a pivot arm (150) supporting closing wheels (110, 2032, 2034) disposed to roll along the soil surface and configured to close the seed trench (3) after the seed (5) is deposited, said pivot arm (150) having a forward end pivotally mounted to the row unit frame (14) a primary actuator (120) disposed to modify a primary downforce between said closing assembly (100, 100) and said soil surface and a secondary trench closing device (130) mounted to said pivot arm (150) and disposed rearward of said closing assembly (100, 100), said secondary trench closing device (130) disposed to resiliently contact said soil surface.
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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