专利名称：Wear resistant cutting edge and method for
making same
发明人：Paul J. Lukavich,Thomas D. Holtz,Charles L.
McDaniel, Jr.
申请号：US08/763651申请日：19961211公开号：US05778572A公开日：19980714
摘要：An elongated steel cutting edge has an insert receiving slot formed thereinextending from one end to the other. A plurality of carbide inserts of a generallyrectangular solid configuration have a front face, a rear face and four sides. A plurality ofupstanding protuberances are formed on and extend beyond the rear face of the inserts.The inserts are located within the slot in closely spaced side by side relationship and withthe protuberances located against one of the sides of said slot. The front and rear facesof the cutting edge are brought together along the slot to cause a mechanical interlockbetween the protuberances of the insert and the cutting edge.
申请人：CATERPILLAR INC.
代理人：O. Gordon Pence
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