Patent ID: 8695549

Claim:
A valve train device for switching lift of gas exchange valves of an internal combustion engine, the valve train device comprising: at least one camshaft including a carrier shaft and at least one cam assembly disposed non-rotatably and axially displaceably on the carrier shaft via a guide, the at least one cam assembly including a bearing region, at least one cam group having at least two cams and a first and a second axial contour; and a bearing bush mounted non-rotatably and axially displaceably in a camshaft bearing and radially supporting the at least one camshaft in the camshaft bearing, the at least one cam assembly being mounted rotatably and axially displaceably in the bearing bush in the bearing region, the bearing bush including a first axial reverse opposing contour that corresponds to, and is switchable into operative contact with, the first axial contour and a second axial reverse opposing contour that corresponds to, and is switchable into operative contact with, the second axial contour.