Abstract: A device for fixing a hub on a shaft, especially for fixing a steering wheel hub on a steering column, using a fastening screw. The screw extends crosswise to the shaft, is guided in the hub and has a cone-shaped section for engaging in a channel or groove is the shaft. When the hub is laid axially on a stop of the shaft, the axis of the screw is situated higher up than the center of the channel or groove of the shaft while the hub rests on the shaft above and below the channel or groove, with a positive fit.

Abstract: Device for fastening an air bag housing including a housing bottom and a housing cover in the steering wheel. Hooks extending in parallel to the central axis of the steering wheel are arranged at the bottom of the housing, and a matching number of pretensioned leg springs are arranged on the skeleton of the steering wheel, with one of their legs being firmly clamped in a bracket releasing a guide window for the hook such that the free leg of the spring is located in the area of the guide window and consequently in the path of insertion of the hook.