Patent ID: 7619340

Claim:
A drive unit ( 10 ) for adjusting movable parts in a motor vehicle, with a drive shaft ( 12 ), which is supported in a housing ( 24 ) using at least one bearing element ( 22 ), the housing ( 24 ) including a lower housing part ( 26 ) and an upper housing part ( 28 ), configured to be joined radially relative to the drive shaft ( 12 ), wherein the bearing element ( 22 ) is designed as a plain bearing bush ( 38 ) to engage in a bearing seat ( 30 ) of the housing ( 24 ) in a form-fit manner in a circumferential direction ( 33 ) to form a rotational lock ( 42 ), and wherein a polygonal geometry ( 44 ) bears via only two surfaces ( 48 ) against two mating surfaces ( 49 ) of a rotational lock region ( 54 ), the two surfaces ( 48 ) forming an angle ( 47 ) of approximately 90°.