公开(公告)号：US5839263A

公开(公告)日：1998-11-24

申请号：US905074

申请日：1997-08-01

申请人： Horst Fred Biernath ,  Mark Erich Biernath ,  Rolf Werner Biernath

发明人： Horst Fred Biernath ,  Mark Erich Biernath ,  Rolf Werner Biernath

IPC分类号： A01D34/73

CPC分类号： A01D34/73 ,  Y10S56/17 ,  Y10S56/20

摘要： A lawnmower blade with replaceable knife members (40) mounted on the leading edge of a rotating blade body wherein the entire assembly to a rotating shaft of a lawnmower or the like. The knife member (40) is manufactured from carbides, high speed steels, or powder metals, thus producing a cutting edge with high quality and durability. Knife member is attached to a rotating body in either a safety cage assembly (100) or embedded in the body of the blade. The knife member is retained on the blade body and can be rotated to a fresh sharp edge or replaced.

摘要翻译： 一种具有可更换刀具（40）的割草机叶片，其安装在旋转叶片体的前缘上，其中整个组件连接到割草机的旋转轴等。 刀具（40）由碳化物，高速钢或粉末金属制成，从而产生高品质和耐久性的切削刃。 刀构件附接到安全保持架组件（100）中的旋转体或嵌入叶片的主体中。 刀构件保持在刀体上并且可以旋转到新的锋利边缘或更换。