BigPatents India

An oleo-pneumatic shock absorber for land vehicles that consists of a twin tube comprising an outer tube housing an inner tube. A canister is attached to the outer tube at its bottom end. The inner tube is fitted with a base valve an has got inserted in it a piston rod fitted with a piston. The top open end of the outer tube is sealed with a sealing device including a seal shield. A collapsible chamber having a cap is provided inside the canister. A hollow screw having a seal at its one end and female threads at its other end is provided on the cap, another screw with male threads is provided to engage the female threads on the hollow screw. The collapsible chamber inserted in the canister is sealed with a circlip. Drawing: 02 Sheets. Total Pages: 16. Fig. Nil