发明名称 |
Press wheel depth control for grain drill furrow openers |
摘要 |
A depth control for grain drills, planters or the like utilizing a press wheel which can be adjusted to control the depth of each individual furrow opener to insure uniform depth of planting across the width of wide machines presently in use.
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申请公布号 |
US4116140(A) |
申请公布日期 |
1978.09.26 |
申请号 |
US19760749051 |
申请日期 |
1976.12.09 |
申请人 |
HAYBUSTER MANUFACTURING, INC. |
发明人 |
ANDERSON, JOSEPH A.;NEUKOM, CHESTER G. |
分类号 |
A01C5/06;A01C7/20;(IPC1-7):A01C5/00 |
主分类号 |
A01C5/06 |
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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