Patent ID: 7069889

Claim:
A camshaft of an internal combustion engine of a motor vehicle in which at least one cam comprises cam segments that are mutually adjustable in a controlled manner radially to the camshaft axis, namely a first and a second cam segment ( 2 , 3 ), the two cam segments ( 2 , 3 ) have functional, shiftable cam profile regions that are separately activatable, the first cam segment ( 2 ) is designed as a component of a base body ( 1 ) which is immovable with respect to a rotatable base body ( 1 ) of the camshaft, the second cam segment ( 3 ) is designed to be adjustable with respect to the first cam segment ( 1 ), the second cam segment ( 3 ) encloses the camshaft base body ( 1 ) it in a horseshoe shape and is mounted to be radially displaceable with respect to the camshaft axis, the second cam segment ( 3 ) is temporarily lockable in at least two positions which are different distances apart from the camshaft axis radially by means of shiftable attachment means ( 6 , 5 ), namely in a first and a second deployment position, wherein the second cam segment ( 3 ) in its radially deployed position with the ends of its U-shaped legs (resulting from its horseshoe shape) being adjacent completely to areas of the outside contour of the camshaft base body situated between the U legs, whereby the U legs end extend freely at their ends.