Patent attributes
An air spring comprising a pressurized first chamber including a gas, a first piston adjacent the first chamber and configured to slideably move relative to the first chamber, pressurized second chamber adjacent the first piston and opposite the first chamber, the air spring configured such that the first piston moves towards the first chamber during compression of the air spring and the first piston moves away from the first chamber during extension of the air spring, wherein as said first piston moves towards the first chamber during compression of the air spring, said first piston pushes at least a portion of said gas within said first chamber in a direction opposite said first piston, a second piston configured to slideably move relative to the first chamber, a pressurized third chamber adjacent the second piston and opposite the first chamber.
