| 摘要 |
PROBLEM TO BE SOLVED: To provide an air type cab suspension device not impairing comfortableness with little air consumption. SOLUTION: In a cab suspension device having a plurality of air bellows 1, 2, 3, 4, solenoid valves 9, 11 are provided between the air bellows 1, 2, 3, 4 and a supply tank 15, and stroke sensors 16, 17 are fitted to the front and rear of a cab. It is so constituted that the solenoid valves 9, 11 are closed in case of a stroke exceeding a set range by signals from the stroke sensors 16, 17. |
