| 摘要 |
PURPOSE: A compensating device is provided to compensate a vehicle height sunken by a loaded burden by expanding an air storage tub placed between a body and a wheel shaft by the up and down vibration flowed in a vehicle body. CONSTITUTION: When a vehicle height is over a certain height, a pressing part(4) of a body(1) is contacted with a contact part(8) of a piston rod(6) and the air is not flowed in an air storage tub(13) since. However, since the body is sunken by many burdens in a vehicle, the pressing part is continuously contacted with the contact part and then the piston rod reciprocally moves. Herein, two check valves(10,11) are connected to an air inflow hole(9) and an air discharge hole(12) formed on both ends of a cylinder(5) in the opposite directions. Accordingly, when the piston rod reciprocally moves, the air flowed in from the air inflow hole is supplied to the air storage tub through the air discharge hole. Thereby, the air pressure is formed by a lot of air in the air storage tub, a sliding cap(14) raises the body and the vehicle height is raised.
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