Controllable gas springs can be used for adjusting the height of massage chairs' leg cushions. In a stretch rigid locked adjustable controllable nitrogen on the basis of the piston and isolation plug in between, add a fixed float valve, when the piston rod suddenly by the piston to the pressure, the liquid oil also subsequently behind presser, then suddenly backward floating valve pressure closure of the piston behind the liquid oil also presents the rigid, so this controllable adjustable nitrogen in stretching and compression two-way all can present rigid locked state.
Our lockable springs fall into three main categories:
gas springs with elastic locking
gas springs with locking in the extension mode.
gas springs with locking in the compression mode.
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