Arrangement for the step-by-step height adjustment of a holding or deflecting fitting of a seat belt on a hollow body part of a motor vehicle

An arrangement for step-by-step height adjustment of a holding or deflecting fitting of a seat belt on a hollow body part of a motor vehicle comprising:

• a guide rail mounted on the body part,
• a carriage which can be displaced along the guide rail, can be fixed in defined adjusting positions, and has a fastening device for the holding or deflecting fitting,
• two mutually spaced fastenings by which the guide rail, which is arranged behind a column covering, is mountable on the body part, the guide rail, at its lower end, interacting with the body part by way of at least one plug connection, the plug connection, at the body part, comprising a pair of spaced vertical longitudinal slots, through which respective hook-shaped holding tongues of the guide rail can be introduced, and the longitudinal slots, viewed in the longitudinal direction of the vehicle, having a width which is significantly greater than a thickness of each holding tongue, and
• a projecting, bent away lug provided at least on one upright longitudinal side of a longitudinal slot, the projecting, bent-away lug having a free end which interacts with an adjacent side wall of the holding tongue, the lug bending while absorbing energy during a swivelling movement of the guide rail about the axis of rotation,
• wherein, starting from a defined force level, the guide rail and therefore an entire belt height adjusting arrangement, while absorbing energy, is laterally swivellable about an axis of rotation formed by one of two fastenings of the guide rail and extending in the transverse direction of the vehicle upon impact of a vehicle occupant's head with the holding or deflecting fitting.