发明名称 SPECIFIC CURVATURE OF MOLDBOARD (RELATED TO DATA ON X,Y,Z AXES)
摘要 PLOW BOTTOM A smooth plow bottom having soil working surfaces curving in three dimensions, the smooth bottom is composed of curved surface portions blending smoothly with adjacent surface portions and occupying positions substantially as defined by data location points so as to provide curved soil working surfaces substantially free of undesired bumps or waves.
申请公布号 AU5797380(A) 申请公布日期 1981.01.15
申请号 AU19800057973 申请日期 1980.05.01
申请人 DEERE + CO. 发明人 T. L. VAN NATTA;T. BERENYI;J. J. HURT
分类号 A01B15/08 主分类号 A01B15/08
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