| 摘要 |
1. A locking device (10) for steering columns (11) in vehicles comprising : a locking wheel with tooth-like radial projections, which is non-rotatably carried on the steering column, and a locking member which can be moved by key actuation (64) of a steering lock (41) provided with a lock cylinder (46) and a control cam (59) into two positions, namely into an operative position of engaging between the radial projections (locking position, Figure 2), and into an inoperative position of releasing the locking wheel (release position, Figure 1), characterised in that a conical cip-shaped member (female conical member 12) provided with an internal tooth configuration (13) is arranged coaxially with respect to a conical wheel member (male conical member 23) having an external tooth configuration (22), in relation to the steering column (11) the one conical member (12) is arranged coaxially (24) but non-rotatably (21 or 82, 83) but the other (22) is rotatable therewith (25), and in addition the one conical member (12 or 22) occupies a fixed axial position relative to the steering column (11) but the other (22 or 12 respectively) is axially displaceable (29 or 29') with respect thereto (11) by key actuation (64), between interengagement, over the entire conical peripheral surface of both conical members (12, 22), in respect of the teeth (16) belonging to the internal and external tooth configurations (13, 23) (locking position) on the one hand and axial clearance (43) on all sides between said teeth (release position) on the other hand. |
