| 摘要 |
Ball screw, between the spindle nut ( 1 ) and threaded spindle ( 2 ) of which at least one ball chain ( 6, 8 ) formed from balls ( 9 ) rolls in each case along a ball channel ( 5 ) which is delimited by ball grooves ( 3, 4 ) formed on the spindle nut ( 1 ) and on the threaded spindle ( 2 ), the ball chain ( 6, 8 ) being deflected from one end of the ball channel ( 5 ) to a start of this ball channel ( 5 ) in deflection portions of the ball channel ( 5 ), one or more spring elements ( 11, 17, 27, 35 ) arranged in the ball chain ( 6, 8 ) between balls ( 9 ) of the ball chain ( 6, 8 ) exerting a pressure force on the balls ( 9 ) in the axis of the ball chain ( 6, 8 ).
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