Patent ID: 8052232

Claim:
A biaxial flow damper used in an auto-close mechanism of a sliding rail assembly, comprising: a cylinder body, said cylinder body comprising a front side, a rear side, and two flow chambers reversely arranged in parallel between said front side and said rear side; two first end caps respectively mounted in the front and rear sides of said cylinder body to close one end of each of said flow chambers; two second end caps respectively mounted in the front and rear sides of said cylinder body to close an opposite end of each of said flow chambers, and wherein there is no means for fluid communication between the flow chambers; two pistons respectively slidably mounted in said flow chambers of said cylinder body; two piston rods respectively connected to said pistons and respectively extending out of said second end caps at the front and rear sides of said cylinder body; and two valve blocks respectively mounted on said piston rods adjacent to said pistons, said valve blocks each having a plurality of guide grooves for guiding axial movement of said pistons.