Patent ID: 7201125

Claim:
A valve train for an internal combustion engine, said valve train comprising a switchable rocker arm assembly comprising a plurality of rocker arms for activating at least one gas exchange valve, and also comprising at least one camshaft comprising differently contoured cams through which different adjusting displacements can be imparted to individual ones of the rocker arms of the rocker arm assembly, the rocker arm assembly further comprising a switching device for selectively activating the rocker arms for driving the gas exchange valve with a varying valve lift, the rocker arm assembly comprises a stationary rocker arm shaft on which the rocker arms are mounted for tilting movement and the plurality of rocker arms including at least two outer rocker arms, that are in continuous contact with associated, differently contoured cams, and a center rocker arm comprising a lever arm extension through which the gas exchange valve, in operative connection to one of the two outer rocker arms, can be selectively actuated, actuable locking pins are arranged on the outer rocker arms for sliding axially parallel to the rocker arm shaft, a locking pin receiver being arranged on the center rocker arm and positioning aids being arranged on the outer and the center rocker arms, so that the center rocker arm can be selectively force-locked to one of the two outer rocker arms or can be deactivated.