发明名称 |
GRAIN DRILL UNIT HAVING SEED FIRMING WHEEL |
摘要 |
A seed firming wheel assembly (66) is supported in close-coupled relationship wi th the rear portion of the paired discs (36, 38) of an opener (30) to gently press deposited seeds down into the bottom of a V-shaped trench formed by the discs (36, 38). The mounting arm (94) of the assembly (66) is configured in a manner to minimize the accumulation of mud and trash residue, while the wheel (130) itself may take the form of a solid, circular block of ultra-hig h-molecular-weight polyethylene with slick sides (218) to reduce soil adherence or a spoked, molded plastic wheel (118) having op en spaces (134) between the spokes to permit soil pass-through.
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申请公布号 |
CA2132008(C) |
申请公布日期 |
1999.01.19 |
申请号 |
CA19922132008 |
申请日期 |
1992.11.09 |
申请人 |
GREAT PLAINS MANUFACTURING, INC. |
发明人 |
JOHNSON, ERIC;MCCLURE, J. MICHAEL;VAN BLARICON JAMES I. |
分类号 |
A01C5/06;(IPC1-7):A01C5/00;A01C7/20 |
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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