Patent ID: 8220428

Claim:
A continuously variable valve lift apparatus comprising: an input cam disposed on an input shaft; a valve opening unit; a control shaft disposed in parallel with the input shaft; a variable member that contacts the input cam, wherein a relative distance between a contact portion of the variable member and the input cam, and the control shaft is variable according to a relative rotation angel of the variable member around the control shaft; a driving unit that is connected with the variable member and pivots around the control shaft; and a driving cam that is disposed between the driving unit and the valve opening unit and that drives the valve opening unit according to the pivoting of the driving unit; wherein the variable member comprises: a control link disposed on the control shaft; a first connecting link connected with the control link; and a second connecting link connected with the first connecting link; and wherein the driving unit comprises: a first body connected to the second connecting link; and a second body provided with a driving roller that contacts the driving cam.