| 摘要 |
PROBLEM TO BE SOLVED: To provide a rotary blade for a mower in which breakage and abrasion of the blade are reduced and the durability in improved. SOLUTION: This rotary blade for a bush cutter is equipped with plural blade parts on an outer peripheral end pert 2 of a disk-like blade plate 1. Blade- free part 5 in a fixed thickness having no cutting knife 4 are formed at the tip parts of the blade parts 3.
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