| 摘要 |
PROBLEM TO BE SOLVED: To provide a suspension device of a vehicle for improving riding comfort during traveling on both of on-road with a flat road surface and off-road with a highly uneven road surface. SOLUTION: In this suspension device 11, a plate spring body 13 is provided with an axle device 14. A front end part of the plate spring body 13 is connected to a front part vehicle body 21, and a rear end part of the plate spring body 13 is provided in the front part vehicle body 2a via a damper device 19. The damper device 19 is constituted of a double rod type hydraulic cylinder 20 in which a main body 20a is mounted on the front part vehicle body 2a and a lower end of a piston rod 20c is connected to a rear end part of the plate spring body 13, a hydraulic pipe 21 connected to one operation chamber R of the cylinder 20 and the other operation chamber T to form a closed flow passage, and a switching valve 22 provided in mid-way of the hydraulic pipe 21. The switching valve 22 can be switched to a fixed position for shutting off the hydraulic pipe 21 and an opening position for opening the hydraulic pipe 21. COPYRIGHT: (C)2004,JPO&NCIPI
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