| 摘要 |
PROBLEM TO BE SOLVED: To secure riding comfort and lower a position of a driver seat.SOLUTION: A suspension device 10 includes: a link mechanism 40 that includes a caster link 42 and an under link 43 which can be oscillated vertically through a common supporting shaft 48; and an elastic member 60 that absorbs vibration of a caster wheel 31. The under link 43 includes one end part attached to a drive unit 20, the other end part 43b in a lower space of a driver seat, and a main body part 43c that bears the supporting shaft 48. The caster link 42 includes: one end part that is arranged above the one end part of the under link in a lateral space and attached to a vehicle body frame; the other end part 42b attached to a vertical shaft 32 that turns the caster wheel 31 in the lower space; a main body part 42c that bears the supporting shaft; and an erected part 42d erected in an approximately vertical direction near the one end part 42a. The elastic member 60 is attached between the one end part of the under link 43 in the lateral space and the one end part of the caster link 42.SELECTED DRAWING: Figure 2 |
