Patent ID: 7685977

Claim:
An apparatus for engaging an additional cam elevation for an internal combustion engine with at least one gas exchange valve that can be actuated via a cam of a camshaft, comprising at least one pressure body which is held in a displaceable manner in a radial transverse bore of the camshaft and which is adjustable by means of an actuating rod which is arranged in a displaceable manner axially within the hollow camshaft between at least two positions, with the actuating rod comprising at least one ramp surface in the contact area of the pressure body, with a path of displacement of the pressure body being delimited in the transverse bore radially to an outside and/or a twistability of the pressure body in the transverse bore being delimited, wherein the transverse bore comprises at least one longitudinal groove in which a securing element engages which is rigidly connected with the pressure body, with the longitudinal groove and the securing element forming a loose guide means.