| 摘要 |
A telescopic tube assembly suitable for use as a motorvehicle steering column which is resistant to buckling and adjustable for height, includes an innertube (1) of triangular cross-section and an outertube (2). The tubes (1, 2) are made non-rotatable and play-free relative to each other in the overlap regions by two sliding bushes (5) cast or injection formed on to the inner tube (1), and are mounted to slide relative to each other on the longitudinal axis of the assembly. One side of the inner tube (1) has a recess (4) between the sliding bushes (5) and the overlap region in the region of one sliding bush (5) is of a twisted configuration as viewed in cross-section with respect to the overlap region in the region of the other sliding bush (5). <IMAGE> |
