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TILLAGE IMPLEMENT WITH RAISABLE SOIL-LEVELING CYLINDERS
专利权人:
发明人:
Donald R. Landoll,Dirk E. Nichols
申请号:
US14011608
公开号:
US20140054051A1
申请日:
2013.08.27
申请国别(地区):
US
年份:
2014
代理人:
摘要:
A tillage implement with raisable soil-leveling reels includes a main frame, which can include a center section and wing sections hingedly connected to the center section. The wing sections are adapted for being hydraulically rotated and raised from generally horizontal field positions to transport/storage positions. Gangs of earth-working tools, such as coulter discs or tines, are mounted on the wing sections. The soil-leveling reels are mounted on trailing arm assemblies, which are adapted for raising and lowering the reels between raised, transport/storage positions and lowered, field-engaging positions. Hydraulic piston-and-cylinder units are connected to compression springs and adapted for raising and lowering the arm assemblies and the reels. The compression springs absorb and dampen jolts and impacts from field irregularities and transport motion-induced forces, thus protecting the piston-and-cylinder units.
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