| 摘要 |
A steering column for a vehicle and a method of making same, wherein the steering column is made from a tube which has a sleeve passed over a length of it in the region where the steering column is to be engaged by a steering lock mechanism, in order for there to be sufficient thickness in that region to accommodate a lock slot of the steering lock mechanism. In order to achieve substantially the same overall outer diameter along the major length of the steering column, the sleeve is secured to the tube, for example, by welding and the sleeve and underlying tube are crushed by swaging or a die forming machine so that the outer diameter of the sleeve becomes substantially the same as that of the tube beyond the sleeve.
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