Patent ID: 8573606

Claim:
A shock absorber apparatus for a vehicle, comprising: a piston installed within a cylinder to be moved along a lengthwise direction of the cylinder and separating the cylinder into an upper chamber and a lower chamber; a piston rod installed to pass through the cylinder and connected to the piston, wherein the piston rod has an oil flow space therein; a valve mechanism installed on the piston rod and operated to be opened and closed to selectively connect the upper chamber of the cylinder and the oil flow space of the piston rod; a support chamber formed under the lower chamber of the cylinder by a partition wall and fluid-connected to the lower chamber through an oil passage formed to the partition wall; a high-pressure gas chamber formed within the support chamber and partitioned from the support chamber by a diaphragm; and a pipe member passing through the piston and installed to fluid-connect the oil flow space of the piston rod and the support chamber.