Patent ID: 7882759

Claim:
A gear drive unit ( 10 ) for adjusting moving parts in a motor vehicle, comprising: a rotor shaft ( 18 ), which is supported in a housing ( 16 ) and is braced axially on the housing ( 16 ) via at least one face end ( 50 ); and a separate toothed element ( 32 ) for transmitting torque to a gear component ( 38 , 40 ), wherein said toothed element ( 32 ) has a worm gear ( 34 ) and is secured to the rotor shaft ( 18 ), wherein the toothed element ( 32 ) has an axial bearing face ( 48 ), which rests on the at least one face end ( 50 ) of the rotor shaft ( 18 ), wherein the toothed element ( 32 ) further has an axial bracing face ( 60 ), wherein said toothed element is braced on an adjusting element ( 64 ) on the housing ( 16 ), wherein said adjusting element ( 64 ) has a form lock ( 72 ) that is configured to be engaged from the inside of said adjusting element by a selected installation tool, wherein said adjusting element ( 64 ) presses with a predeterminable pressing force against the axial bracing face ( 60 ) wherein the axial bearing face ( 48 ) is located on a bottom face ( 46 ) of a bore ( 44 ) in the toothed element ( 32 ), wherein a through opening ( 52 ) is integrally formed onto the bottom face ( 46 ) of the bore ( 44 ) and receives a ball ( 56 that has the bracing face ( 60 ).