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Steering column comprising a plastic sliding sleeve

  • US 8,714,048 B2
  • Filed: 09/24/2013
  • Issued: 05/06/2014
  • Est. Priority Date: 01/18/2008
  • Status: Active Grant
First Claim
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1. A steering column for a motor vehicle, comprising:

  • an upper jacket unit including an inner jacket tube with an outer surface;

    a lower jacket unit including an outer jacket tube surrounding the inner jacket tube at least in some sections;

    a thermoplastic sleeve disposed between the inner jacket tube and the outer jacket tube, wherein the inner and outer jacket tubes are mounted such that they can be displaced one inside the other in their axial direction by means of the thermoplastic sleeve, wherein the thermoplastic sleeve has an inner surface directed towards the inner jacket tube and an outer surface directed towards the outer jacket tube, wherein the thermoplastic sleeve is inserted into the outer jacket tube with a press fit, and wherein the outer jacket tube has at least two openings provided in at least two axially separated positions relative to an axial direction of the jacket tubes, in a region of which the thermoplastic sleeve has, on its inner surface, protrusions towards the inner jacket tube, which are formed in one piece with the plastic sleeve, and at which the plastic sleeve is pressed against the outer surface of the inner jacket tube;

    a bracket configured to carry the upper jacket unit and the lower jacket unit; and

    a steering shaft rotatablv mounted inside the upper and lower jacket units and surrounded thereby.

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