Patent ID: 6288466
Filing Date: 2001-09-11
Classification: F16C,F16H,H02K

Abstract:
An electric drive unit for a windshield wiper of a motor vehicle, comprising a drive motor with an armature that is accommodated in a pole housing, a transmission housing that is fastened to the pole housing and is for containing transmission elements in which the transmission elements are acted on by a rotation of an armature shaft of the armature, the armature shaft is supported in the pole housing at a first end and in the transmission housing at a second end, the armature shaft is supported in a first bearing in the pole housing and is supported in a second bearing in a vicinity of the transmission housing, the second bearing is embodied as a ball bearing, the second bearing absorbs radial and axial forces and has an inner ring (20) and outer ring (19), on one side of said outer ring an axial stop face (18) is disposed in the transmission housing for the outer ring, and on another side of the outer ring a retaining part (24) for axially securing the outer ring is installed lateral to the armature shaft in a channel (23) of the transmission housing, the retaining part is an essentially U-shaped retaining bracket (24) made of sheet metal and has at least two flexible tongues (28, 29, 30, 31) that are directed toward an end face (22) of the outer ring (19) of the second bearing (10).