| 摘要 |
PROBLEM TO BE SOLVED: To improve a tool head of a trimmer so as to better function reliability in the case of a severe cutting condition. SOLUTION: The tool head (1) has at least one scrapper edge (5), which has a radial component that extends from the inside to the outside and that projects beyond the contour of a hub portion (4) at the hub portion (4) side. COPYRIGHT: (C)2004,JPO |
