专利名称：Cutting Blade发明人：William E. von Rentzell申请号：US14140310申请日：20131224
公开号：US20140182257A1公开日：20140703
专利附图：
摘要：An improved blade is disclosed. The blade has an elongated member havingrotational symmetry about a center axis. The elongated member further has two endseach having a sharpened edge, wherein at least a portion of each sharpened edgecomprises a slicing edge configured to intersect a stalk of grass in non-perpendicular
relation. The blade is configured so that rotation of the blade causes the slicing edges tocome into non-perpendicular contact with the grass, thereby slicing the grass to bemowed.
申请人：William E. von Rentzell
地址：LaGrange Park IL US
国籍：US
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