| 摘要 |
A roll-over protective system for motor vehicles, with roll-over bars arranged at the vehicle's seats, each one being accommodated in a support fixed to the vehicle, and in the normal condition being held by a holding device in a lower, descended position of rest, and able to be brought into a raised, supporting position by releasing of the holding device under sensor control, wherein each roll-over bar has two legs, each of them pivoted at a spacing in the transverse axis of the vehicle with one end in bearings in the support fixed to the vehicle and able to fold down toward each other with their free end, and being interlocked in the raised condition. In order to hinder a digging in of the roll-over bar in soft ground, at least one of the two legs of the bar has a flattening in the region of the free end. In order to enable a locking of the legs of the bar in intermediate positions as well, the mutual interlocking of the two raised legs of the bar is such that a locking can be activated not only in the end position, but also in intermediate positions.
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