Patent ID: 7987826

Claim:
A variable valve lift apparatus comprising: at least a low lift cam; a high lift cam disposed co-axially and in parallel with the low lift cam; at least a low lift tappet body selectively contacting the low lift cam, wherein the at least a low lift tappet body are connected by at least a connecting bracket; a high lift tappet body disposed between the at least a low lift tappet body and constantly contacting the high lift cam; a guide portion connected with a valve and selectively connecting the low lift tappet body and the high lift tappet body; and a lost motion spring that is disposed between the guide portion and the low and high lift tappet bodies, and supplies restoring force to the low lift tappet body in a low life mode, wherein: the high lift tappet body comprises a vertical column to which an operating pin insertion hole is formed; the guide portion comprises an operating pin guide to which a vertical guide channel and a horizontal guide channel are formed, wherein the vertical guide channel is disposed in a longitudinal direction of the vertical column of the high lift tappet body and a portion of the vertical column is inserted into the vertical guide channel and the horizontal guide channel is disposed substantially perpendicular to the vertical guide channel; an operating pin having an operating pin inserting portion, wherein the operating pin is disposed in the horizontal guide channel; and the operating pin inserting portion is selectively inserted into the operating pin insertion hole, and wherein the operating pin comprises a guide portion, a blocking portion and an operating pin insertion portion disposed between the guide portion and the blocking portion.