Patent ID: 8464673

Claim:
A variable valve lift apparatus comprising: a control shaft slidably disposed within a camshaft; a cam which is slidably disposed to the camshaft and a high lift cam lobe and a low lift cam lobe are formed thereto; a valve opening/closing unit slidably contacting the cam; and a control portion which moves the cam for the high lift cam lobe or the low lift cam lobe selectively to contact the valve opening/closing unit according to operation of the control shaft; wherein the control portion comprises: a shift lever which is slidably mounted to the control shaft, wherein a high lift path and a low lift path are formed along an outer surface of the shift lever, and a partition is formed therebetween; and a control pin which protrudes from an inner surface of the camshaft, and selectively rotates along the high lift path and the low lift path, wherein a connecting penetration is formed to the partition for the control pin to be movable between the high lift path and the low lift path.