发明名称 |
DOWN PRESSURE ADJUSTER FOR SEED PLANTER |
摘要 |
A down pressure adjustment mechanism for a planter provides a self-contained spring cartridge holding a preloaded compression spring that may be moved between a limited number of mounting points to provide for convenient and significant changes in down pressure without the need for specialized tools or the like.
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申请公布号 |
CA2538575(C) |
申请公布日期 |
2013.05.14 |
申请号 |
CA20062538575 |
申请日期 |
2006.03.02 |
申请人 |
CNH AMERICA LLC |
发明人 |
FLIKKEMA, KEVIN A.;JOHNSON, CHAD M.;HARNETIAUX, TRAVIS LESTER |
分类号 |
A01C7/00;A01B63/00;A01C7/20 |
主分类号 |
A01C7/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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