| 摘要 |
<p>PROBLEM TO BE SOLVED: To reduce the number of part items, wt. of a vehicle and cost. SOLUTION: As a driving unit 36, a motor 42 and back wheel shaft cases 50 and 50 for supporting left and right back wheel shafts are fixed on a gear case and integrated and hanging of a driving unit 36 on a vehicle body frame is made in such a way that the front side end part of one end part in the vertical direction of the vehicle shaft of the driving unit 36 is supported on a vehicle body frame at an arm part 44 and the front end of an arm member 52 and a single supporting unit 38 is placed between the driving unit 36 and the vehicle body frame.</p> |
