Patent ID: 8607749
Filing Date: 2013-12-17
Classification: F01L,F16H

Abstract:
1. A camshaft comprising at least one carrier element, at least one cam, and at least one alternative cam, wherein: the carrier element comprises at least two carrier segments arranged along a longitudinal axis substantially axially one behind the other and at least one rolling element, said at least one cam and said at least one alternative cam are arranged on one of said at least two carrier segments, one of the at least two carrier segments is at least partially arranged inside another of the at least two carrier segments, the at least two carrier segments are constructed and fitted to each other and are connected to each other such that the at least two carrier segments are axially displaceable relative to each other along the longitudinal axis, one of the at least two carrier segments has a guide groove on an inner side thereof extending along the longitudinal axis for the at least one rolling element, the other of the at least two carrier segments has at least one guide groove on an outer side thereof matching the guide grove on said one of the at least two carrier segments and extending along the longitudinal axis for the at least one rolling element, and the at least one rolling element is constructed in such a manner and is arranged between the at least two carrier segments such that the at least two carrier segments are axially displaceable relative to each other via said at least one rolling element.