发明授权
- 专利标题: Crop residue and soil conditioning agricultural implement
- 专利标题(中): 作物残渣和土壤调理农具
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申请号: US11781312申请日: 2007-07-23
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公开(公告)号: US07743844B2公开(公告)日: 2010-06-29
- 发明人: Michael G. Kovach , Garry Good , Michael R. Newman , Kai Zhao , Suresh Pai
- 申请人: Michael G. Kovach , Garry Good , Michael R. Newman , Kai Zhao , Suresh Pai
- 申请人地址: US WI Racine
- 专利权人: CNH America LLC
- 当前专利权人: CNH America LLC
- 当前专利权人地址: US WI Racine
- 代理商 Rebecca Henkel
- 主分类号: A01B61/00
- IPC分类号: A01B61/00
摘要:
A disc harrow composed of one or more disc gangs has a subframe coupled to the disc gangs to move the disc gangs in response to variations in farmland terrain to limit the impact of obstructions when encountered during the harrowing process. When the obstruction is cleared, the subframe automatically returns the disc gangs to their pre-obstruction position. In addition to reducing the potentially-damaging impact of obstructions, the subframe also maintains a more consistent reel depth during undulations or changes in the farmland terrain, such as during harrowing of slopes or unleveled fields such as valleys, near waterways, and along fence rows.
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