On the whole, these upgrades follow a gentle theme of personalizing the machine to [Marius ... replacing the swivel handle with a homebrew pneumatic cylinder made in the shop.

Air cylinders are pneumatic linear actuators driven by pressure differential in the cylinder chambers. Compressed gas (typically air) acts as the power to impart a force and cause actuation. The ...

Most office-grade machines are as likely as ... rod and an old flange-head bolt; when air pressure is applied, the bolt is drawn into the cylinder, which locks the arm in place.

Air compressors are machines that compress and direct air for industrial ... Reciprocating air compressors use pistons to compress the contents of an air cylinder and force them into a storage tank.