| 摘要 |
PROBLEM TO BE SOLVED: To provide an upper blade of a guillotine type crop shear and a method of manufacturing the same. SOLUTION: A rake angle of a blade root side straight blade of two straight blades continued to each other with a bending point between them in the blade width direction is formed larger than the rake angle of the blade tip side straight blade. COPYRIGHT: (C)2008,JPO&INPIT |
