| 摘要 |
PROBLEM TO BE SOLVED: To provide a grass-mowing blade and a grass mower which are improved in safety.SOLUTION: A center of a grass-mowing blade 1 comprises a connection part 11 to be connected to a grass mower 3 and a peripheral part 13 extending around the connection part 11. The peripheral part 13 is annular around the connection part 11, and a bulging part 21 bulging downward is formed therein. The bulging part 21 has a first inclined plane 23 inclined outwardly and downwardly and a second inclined plane 25 expanding outwardly and upwardly from an extended tip of the first inclined surface 23. A lower area 27 which is a connection part of the first inclined plane 23 and second inclined plane 25 is an area located below the connection part 11. A plurality of extension pieces 31 (inward extension pieces 31a and outward extension pieces 31b) extending outwardly and upwardly from an upper area 29, which is an upper end part of the second inclined plane 25 in the bulging part 21 and an area located at the same height as the connection part 11, are formed. |
