| 摘要 |
PURPOSE: An air spring simplifies the structure thereof and makes a compressed air to be flown into a bellows on full bumping. CONSTITUTION: If all air in an air spring(20) is exhausted and a bumper stopper(22) and a spring piston(24) are contacted with each other, a compressed air is flowed through a first flow passage(25b) formed on the center of the spring piston(24). Then, the compressed air is filled in the spring piston(24) through a second flow passage(25d) formed on the side wall of a pipe(25). Then, the compressed air flowed in the spring piston(24) is flowed into an air bellows(23) through a compressed air exhaust hole(24a) formed on top of the spring piston(24). Thus, the air spring(20) lifts a vehicle.
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