| 摘要 |
The assembly comprises: a hollow lower guide portion 7 a hollow upper shroud portion 10, which fits at least partially within the guide portion and extends away from the guide portion a telescopic steering shaft 1, 2 having at least an upper part 2 and a lower part 1, the upper part co-operating with the lower part and the two parts extending through the guide portion and the upper shroud portion a lower axial bearing 16, which is supported in a seat in the guide portion and provides axial location for the lower steering shaft part an upper axial bearing 17, which is supported in a seat in the upper shroud portion and provides axial location for the upper steering shaft part and in which the guide portion has at least one arcuate guide wall, which co-operates with a complimentary arcuate guide wall of the upper shroud to define a contact surface along which the upper shroud portion is adapted to slide relative to the guide portion in the event of an accident.
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