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Threaded drive e.g. linear drive, for e.g. converting rotation movement of threaded spindle into linear movement of support nut, has coupling unit with coupling element adjustable in radial direction, and projection provided at support nut
Threaded drive e.g. linear drive, for e.g. converting rotation movement of threaded spindle into linear movement of support nut, has coupling unit with coupling element adjustable in radial direction, and projection provided at support nut
The drive (10) has a support nut (14) and a trapping nut (16), which stay in screwing interference with a threaded spindle (12) exhibiting two preset plays, respectively. The nut (14) is rotatable around longitudinal axis (A) of the spindle. The nut (16) is freely formed with respect to the nut (14). A coupling unit (18) includes a coupling element (20) e.g. ball, adjustable in radial direction and a radially inward projecting projection provided at the nut (14). The projection engages radially outwards in axial direction with the element during adjustment of the element in a form-fit manner.
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