| 摘要 |
A ball screw drive comprising a spindle nut ( 2 ) that can be disposed on a spindle ( 1 ), said spindle nut ( 2 ) comprising on an inner periphery, a ball groove ( 3 ) that is arranged along a helix and defines a load-bearing channel ( 8 ) for balls ( 5 ), an external deflector ( 6, 24 ) arranged outside of the spindle nut ( 2 ) connecting the two ends of the load-bearing channel ( 8 ) endlessly to each other for deflecting the balls ( 5 ) from one of the two ends of the load-bearing channel ( 8 ) to the other of the two ends of the load-bearing channel ( 8 ), a drive pinion for driving the spindle nut ( 2 ) being arranged on the spindle nut ( 2 ), wherein the external deflector ( 6, 24 ) is arranged at least substantially within an axial length of the drive pinion.
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