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Planter with four bar linkage
专利权人:
Jon E. Kinzenbaw
发明人:
Jon E. Kinzenbaw
申请号:
US13168619
公开号:
US08733256B2
申请日:
2011.06.24
申请国别(地区):
US
年份:
2014
代理人:
摘要:
An agricultural planter includes a frame and left and right wings pivotally attached to respective ends of the frame, all of which have a plurality of spaced row units. Each wing includes a forward bar pivotally coupled to the frame for forward folding for transport and an aft bar having row units attached thereto. Each aft bar is aligned parallel with and is pivotally coupled to its associated forward bar by at least one pair of first and second non-parallel coupling arms. A hydraulic cylinder coupled to the forward bar and to one of the pivoting arms raises the associated aft bar with row units above the soil to a first elevated position to facilitate turning the planter. Further extension of the hydraulic cylinder causes additional elevation, and substantial rotation of the aft bar and row unit combination to provide a low and narrow planter profile for transport and storage.
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