The series product can lock at any position during the running. There is ejection rod in the end of the piston, and the inside valve will be turn on to flow the gas or oil when push the ejection rod, and the locked gas spring can stretch easily as compressed spring. When it moves to required position, the inside valve is be shut off after the ejection rod release, and the piston will be locked accordingly. The gas spring after locked can bear large load, but if it is overloaded, the lock function will not work.

    The locked gas spring is featured with the function of support and height or angel adjust, which can stop at any position. It is easy to operate.

    It is widely used in the industry of automobile, airplane chairs, medical equipment, massage chairs, SPA chairs, etc.