Ultimately, the problem was solved via a system of piston-like pneumatic cylinders.
Using pneumatic cylinders in exercise machines is rather new innovation.
Although pneumatic cylinders will vary in appearance, size and function, they generally fall into one of the specific categories shown below.
This process is common among manufacturers of hydraulic and pneumatic cylinders.
The neck and jaw are operated by pneumatic cylinders.
He put pneumatic cylinders beneath the seats and connected each cylinder to a small tank.
The mirror support cell holds the main mirror on a set of 60 pneumatic cylinders.
On larger ones, pneumatic or hydraulic cylinders are used.
Such actuators are often used to replace pneumatic cylinders.
Many hydraulic and pneumatic cylinders use them where it is needed to produce a force in both directions.