Patent ID: 7748358

Claim:
A variable valve train apparatus for an internal combustion engine, characterized by comprising: a camshaft provided for rotation in the internal combustion engine; a cam formed on the camshaft; a rocking cam which is provided for rocking motion in the internal combustion engine and driven by the cam; an intake valve or an exhaust valve which is driven by the rocking cam; a control shaft provided for rotation and side by side with the camshaft in the internal combustion engine; a control arm having one end held on the control shaft and the other end projecting from the control shaft; an actuator which rotates the control shaft to displace the control arm; a transmission arm which is connected to the other end of the control arm for rocking motion around a rocking axis in substantially the same direction as an axial direction of the control shaft and transmits a displacement of the control arm to the rocking cam; and an adjustment mechanism which adjusts a distance between an axis of the control shaft and the rocking axis of the transmission arm.