| 摘要 |
PROBLEM TO BE SOLVED: To provide a lawn mower which facilitates replacement work of a rotary blade.SOLUTION: A bearing 10b provided in a rotary shaft 10a of a rotary blade 10 is supported by a first bearing holder 19 and a second bearing holder 20 divided mutually. The first bearing holder 19 and the second bearing holder 20 are connected mutually by a rotary shaft 21. The second bearing holder 20 can rotate with respect to the first bearing holder 19 with the rotary shaft 21 as a fulcrum. A blade holder 15 for holding a fixed blade 14 can rotate together with the second bearing holder 20 with respect to the first bearing holder 19. A gap adjustment bolt 17 is provided at a position away from the rotary shaft 10a of the rotary blade 10 as viewed from the rotary shaft 21, and connects the blade holder 15 and the second bearing holder 20 so as to adjust a gap.SELECTED DRAWING: Figure 4 |
