专利名称：Agricultural disc harrow and method发明人：Gerald Bollich申请号：US10763472申请日：20040122公开号：US07048069B1公开日：20060523
专利附图：
摘要：An agricultural implement consisting primarily of a towed frame supported onretractable wheels, the frame having a plurality of independently adjustable spindles forsetting height and angle of attack for various size rotatable discs. Each disc is staggeredto reduce resistance and clogging. Each group of discs further includes descending
diameter discs at each end with the angle of attack increasing with each decrease indiameter while spacing between the discs decreases as the diameters are reduced. Theimplement further including harrow teeth or picks located at strategic points adjacentthe discs to ensure uniform soil disruption, the disc assembly being convertible fromsingle gang to double gang assembly and may include conventional harrow teeth setsand or unique soil leveler attachments.
申请人：Gerald Bollich
地址：1360 Drew Ave. Eunice LA 70535 US
国籍：US
代理人：Robert N. Montgomery
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