发明名称 Furrow closing and leveling apparatus
摘要 An agricultural ground working apparatus includes a mounting bracket adapted for attachment to an implement frame. A shank is pivotally attached to the mounting bracket about a shank pivot axis and extends downward from the mounting bracket to a lower end thereof adapted for engaging the ground. Right and left disc arms are pivotally attached at upper portions thereof to the mounting bracket such that the disc arms pivot about arm pivot axes independent of the shank. The disc arms extend rearward and downward from the mounting bracket on each side of the shank, and right and left discs are rotatably attached to lower portions of the corresponding right and left disc arms
申请公布号 US2008023207(A1) 申请公布日期 2008.01.31
申请号 US20060496259 申请日期 2006.07.31
申请人 BOURGAULT INDUSTRIES LTD. 发明人 LUNG DEVIN;ESPHETER NATHAN
分类号 A01B5/00;A01B7/00;A01B15/16;A01B21/00;A01B23/06;A01B35/28;A01B39/08;A01B41/04 主分类号 A01B5/00
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