| 摘要 |
<p>PURPOSE: A lock for a motor vehicle steering column is provided to improve the lock, reduce the number of locking elements, simplify the assembling, and cut down the manufacturing cost. CONSTITUTION: A motor vehicle steering column lock includes a locking element(4) that is movable reciprocally by a rotatable control element between a locked and an unlocked position. The control element extends around the locking element and includes two inner bevel surfaces(20,24) and four terminal surfaces(21,22,25,26) cooperating with two radial locking element projections arranged diametrically opposite to each other relative to the control element's axis of rotation. The projections each engage at their ends a bevel surface or one of two terminal surfaces located in planes extending orthogonal to the control element's axis of rotation. One of the bevel surfaces and the terminal surfaces are offset in the direction of the control element's axis of rotation relative to the other bevel surface and the terminal surfaces. The surfaces are located at a larger distance from and around the control element's axis of rotation as compared with the distance of the other bevel surface and the terminal surfaces from the axis of rotation of the control element. The projections are stationary. The projection, cooperating with the bevel surface located farther away from the control element's axis of rotation and the terminal surfaces, is commensurately offset from the projection, cooperating with the other bevel surface and the terminal surfaces. The former projection has a commensurately longer length than the latter.</p> |
