| 摘要 |
<p>A multifunctional tiltable steering column comprising a first movable part of the chassis (16) and a second underlying fixed part (19) of the chassis, a rod element (13), integral with a handle, positioned in the centre of a steering wheel of a vehicle being situated in the first movable part of the chassis (16), and a shaft (31) connected to a hydraulic power steering system, being positioned inside said second underlying fixed part (19) of the chassis, a coupling (30) being interposed for the transmission of the rotational movement between said two shafts (13, 31) and for the regulated tilted positioning between the first movable part (16) of the chassis and the second underlying fixed part (19) of the chassis, wherein the rod element (13) is positioned in a telescopic group comprising an internal tubular element (14) which slides internally and axially with respect to an outer tubular element (15), wherein a polygonal coupling is envisaged between said two tubular elements (14, 15) in addition to a forced expandable coupling means (20, 21), positioned inside the outer tubular element (15) and movable with respect to outer tubular element (15), which are moved by the rotation of the rod element (13) and suitable for positioning it firmly in a height position with respect to the first movable part of the chassis (16).</p> |
