Patent ID: 8172513

Claim:
An adjusting shaft assembly ( 1 ) of a VTG or wastegate turbocharger, the assembly comprising: an adjusting shaft ( 2 ) which has a fixing section ( 3 ); a lever ( 4 ) which is connected to the adjusting shaft ( 2 ) via the fixing section ( 3 ); a bushing ( 5 ) which is positioned on a body ( 6 ) of the adjusting shaft ( 2 ); and a seal ( 7 ) which is positioned in a region of the body ( 6 ) between the bushing ( 5 ) and the adjusting shaft ( 2 ), wherein the body ( 6 ) of the adjusting shaft ( 2 ) has a stepped outer contour, and wherein the bushing ( 5 ) has an inner contour which is complementary to the stepped outer contour of the body ( 6 ).