| 摘要 |
PROBLEM TO BE SOLVED: To provide a bush cutter capable of safely carrying out cutting works and making it possible to easily perform a work for exchanging a worn centrifugal blade with a new blade. SOLUTION: A rotation shaft 14 is disposed in a housing 13 fixed to the tip of an operation bar 11. A rotary disk 21 is rotatably supported on the spline portion 14a of the rotary shaft 14. Centrifugal blades 29 are supported on the rotary disk 21 through connection pins 28. A cover 36 is attached to the housing 13 through a support arm 35 so that the outermost portions of the revolution loci of the centrifugal blades 29-29 are surrounded using the lateral U-shaped portion K of the cover 36. A plurality of depressions for the approach of grasses to be cut are formed on the outer peripheral side of the cover 36. The rotary disk 21 is formed in a smaller outer diameter than the diameter of a circle C1 on the inner peripheral edge of the lower plate 36c. Thereby, the rotary disk 21 can be taken out together with the centrifugal blades 29. |
