Cutter Blade of Mower

A cutter blade configured to be disposed inside a housing of a mower and rotatably driven about a vertical axis, the cutter blade comprising:

• a blade body;
• a blade portion provided at least at a part of a rotational direction-wise front end portion of the blade body (i.e. front end portion of the blade body with respect to a rotational direction);
• a wind generating portion provided at least at a part of a rotational direction-wise rear end portion of the blade body, the wind generating portion extending more upwards than the blade portion;
• and
• a thickness of the wind generating portion at the rotational direction-wise rear end portion being smaller at least partially than a thickness of the remaining part of the wind generating portion.