| 摘要 |
The invention relates to an axially adjusting device for actuating a multiple disk clutch in the drive train of a motor vehicle. Said adjusting device comprises a housing ( 4 ) with a longitudinal axis (A) and a ball ramp arrangement ( 1 ) having a support disk ( 17 ) that is axially and radially supported in the housing ( 4 ) and an axially displaceable adjusting disk ( 16 ). The supporting disk ( 17 ) is secured against rotation in the housing ( 4 ) and, in a first lateral face ( 23 ), has first ball tracks ( 24 ) of varying depth in the peripheral direction. The adjusting disk ( 16 ) can be rotatingly driven and, in a second lateral face ( 25 ) opposite the first lateral face ( 23 ), has second ball tracks ( 26 ) of varying depth in the peripheral direction. The ball tracks ( 24, 26 ) define one pair each with opposed slopes and receive one ball ( 27 ) each. The adjusting disk ( 16 ) is axially supported on the multiple disk clutch ( 2 ) and axially and radially mounted by means of the balls ( 27 ) retained in the ball tracks ( 24, 26 ).
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