Valve Drive Device for an Internal Combustion Engine

A valve drive device for an internal combustion engine, comprising:

• an axially displaceable cam element;
• and
• an adjusting device including a first engagement element that displaces the cam element axially into a first switching position and a second engagement element that displaces the cam element axially into a second switching position;
• wherein the adjusting device has a first slide track in which the first engagement element is guided in the first switching position and a second slide track in which the second engagement element is guided in the second switching position and wherein the first engagement element is positively coupled with the second engagement element;
• wherein the adjusting device includes a triggering device that holds the first engagement element in the second switching position against a restoring force;
• wherein the first slide track moves the first engagement element in an oscillating manner in a radial direction of the cam element during a rotation of the cam element in the first switching position.