Self-propelled lawn mower for e.g. domestic application, has portal frame formed by transmission gear box, and ventilator provided in front part of transmission gear box and between front right and left wheel transmission gear boxes

摘要

The lawn mower has a conduit (20) and a mowing-machine (6) that is provided in a front part of a body, and a ventilator (17) provided in a front part of a transmission gear box (24) and between front right and left wheel transmission gear boxes. Main drive shafts (53L, 53R) are provided in rotary front left and right wheels (3L, 3R), and a portal frame is formed by the transmission gear box and by the front right and left wheel transmission gear boxes in which transmission mechanisms placed between rotary left and right shafts (49L, 49R) are housed.