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Adjustable spring used in saloon car etc.
As gas spring simultaneously support, and adjust angle of functional regulation, and very flexible operation, the simple structure. Therefore, in medical equipment, beauty chairs, furniture, aviation, Coach have been widely used in.
The spring force is produced by compressed nitrogen. By control of the valve open, the oil gas may flow from one side of the piston to the other side. Under manual operation, the piston bar freely stretches and may be fixed at any position.