| 摘要 |
PURPOSE: To provide the blade of a mower of small noise for forming a non- continuous part at a follow-up edge by displacing the radial direction outer side end part of respective upward parts to an inner side in relation to the radial direction outer side end part of the follow-up edge of respective arms. CONSTITUTION: The arm of the respective blades is provided with a follow-up edge part 20 turned upwards provided with an outer edge 22 positioned on a radial direction inner side to the outer side end part 24 of the arms 10 and 12 for a distance X. The part 20 is almost parallel to a center line turned to the vertical direction of the blade, the outer side end part 24 of the arm of the respective blades is provided with the cross-section of an almost wing shape and the follow-up edge part 24A is tapered so as to reduce drag.
|
