Suspension system for vehicles containing combination isolator mount and air spring closure

Abstract From the Canadian patent

A suspension system for a vehicle having a shock absorber strut with a reciprocal rod located within a cylinder and an air spring having a fluid pressure chamber wherein the piston rod and cylinder extend through the chamber. The air spring includes a rigid annular canister and a flexible sleeve one end, of which is sealingly connected to the cylinder and the other end connected to the open bottom of the canister. An elastomeric isolator is bonded to a lower side of an end cap which is adapted to be secured to the vehicle. The isolator also is bonded to and encloses the open upper end of the canister to close the pressure chamber of the air spring and to resiliently mount the air spring to …