Patent ID: 6543754
Filing Date: 2003-04-08
Classification: B62K,B62M,F16F

Abstract:
An air spring for a two-wheeled vehicle, the air spring being disposed between a vehicle body and a vehicle wheel, comprising:a piston which slides in a cylinder member; a rod member which is engaged with the piston; a rod-side air chamber and a piston-side air chamber which are partitioned in the cylinder member by the piston and are filled with compressed air; a passage which connects the two air chambers; and a switch valve which opens and closes the passage; wherein the switch valve has a connecting position which places the passage in a connecting state, and a cut-off position which places the passage in a cut-off state, the cut-off position having a check valve inserted therein, the check valve allowing a flow of air from the rod-side chamber to the piston-side chamber; and wherein the switch valve is provided in the piston, an actuator which operates the switch valve being mounted inside the rod member, the actuator being operated by an external electrical signal in order to switch the switch valve.