| 摘要 |
PROBLEM TO BE SOLVED: To provide an attaching mechanism for a cutting blade capable of preventing fall-off of the cutting blade by ensuring a holding force of the cutting blade regardless of a rotating direction of the rotary shaft, without requiring an exclusive tool nor skill for attaching/detaching the cutting blade. SOLUTION: This attaching mechanism for attaching to a rotary shaft 42, the cutting blade 43 having a base 431 provided with an engaging hole 433 in a central portion thereof and a cutting edge 432 arranged on an outer periphery of the base, is provided with a mounter flange 50 arranged on a front end portion of the rotary shaft and having a supporting portion 51 engaging with an engaging hole 433 of the base, and a flange 52 formed protrusively in a radial direction from a rear end of the supporting portion and provided with an attaching surface on a front surface thereof. The mounter flange 50 is provided with a suction passage 502 opening to the attaching surface. |
