Patent ID: 8695547

Claim:
An adjustable camshaft comprising: at least one shaft, multiple cam packages, each cam package having at least two different cams and/or cam contours, and at least one adjusting element constructed to slide axially along a longitudinal axis of the camshaft, wherein the cams and/or cam contours of at least one of the cam packages have different widths, wherein the at least one adjusting element is mechanically coupled via at least one contact element through a groove in the at least one shaft to a first one of the multiple cam packages having cams and/or cam contours with different widths and being constructed to slide axially along the longitudinal axis of the camshaft relative to the at least one shaft, wherein the at least one shaft is constructed to slide axially along the longitudinal axis of the camshaft, wherein a second one of the multiple cam packaged is rigidly fixed to said shaft, and wherein the at least one adjusting element and the at least one shaft are constructed to allow the first one of the multiple cam packages coupled to said adjusting element and the second one of the cam packages fixed to said shaft to be moved independently of each other.