A spindle drive (1), drive spindle (8), and a production method for such a spindle, particularly for a seat adjustment or a servo steering mechanism, having a spindle thread (19) for receiving a spindle nut (9), wherein a drive gear (5) made from synthetic material is injection-molded in a non-rotatable manner on the drive spindle (8), said cog having external toothing (21), by means of which the drive spindle (8) can be caused to rotate, wherein within an axial extension (27) of the drive cog (5) the threaded spindle (8) has a recessed region (31) with a smaller external diameter (30) between two holding regions (28, 38) with a larger outer diameter (29, 39).
Drive spindle and spindle drive and method for producing a drive spindle
2018-02-06
Patent
Elektronische Ressource
Englisch
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