Abstract: A motor vehicle door hinge, having a pillar fitting able to be mounted on a vehicle body, and a door fitting able to be mounted on a motor vehicle door, which are connected to each other in an articulated manner a hinge pin connected to either the pillar fitting or the door fitting in a rotation-resistant manner and to the remaining one of the pillar fitting or the door fitting in an articulated manner, and an arresting unit having a detent body carrier connected to the hinge pin in a rotation-resistant manner and radially extending to the latter and having a detent body, and a detent element adjustable on the other one of the pillar fitting or the door fitting with respect to the detent body carrier, coaxially arranged with respect to the hinge pin axis and in engagement with the detent body and including at least one detent notch, and arranged within a housing surrounding the hinge pin and the detent body carrier.

Abstract: A rollover protection system for motor vehicles with a roll bar, which can be moved by a drive unit from a position of rest to a protection position, is secured in the protection position by a locking device and prevented from retracting, and is fixed in the position of rest by a holding device, wherein the holding device has a movably arranged catch element which can be disengaged abruptly by a pyrotechnic actuator. For such cases in which the catch element can move beyond the release point and there is a danger of a rebounding, because a path-limiting stop is present, a structural part is provided that prevents a return movement of the catch element into the holding position.

Abstract: The invention relates to a rollover protection system for automobiles, comprising an extensible rollover body (1) held in an initial position by means of a holding device and secured against retraction, in a functional position by means of a locking device, and comprising an extension drive and an actuator (2) for releasing the holding device. Separate holding and locking devices are usually provided in such rollover protection systems, which is expensive both from a technological and an economic point of view. For simplification it is suggested according to the present invention that the holding device and the locking device be combined in one assembly (3). The assembly is arranged on the side adjacent to the rollover body (1) in a housing (16). The rollover protection system can be attached to the vehicle body by means of mounting elements (14 and 15), and the assembly (3) can be mounted in a position fixed on the vehicle.

Abstract: The invention relates to a rollover protection system for automobiles, comprising an extensible rollover body (1) held in an initial position by means of a holding device and secured against retraction, in a functional position by means of a locking device, and comprising an extension drive and an actuator (2) for releasing the holding device. Separate holding and locking devices are usually provided in such rollover protection systems, which is expensive both from a technological and an economic point of view. For simplification it is suggested according to the present invention that the holding device and the locking device be combined in one assembly (3). The assembly is arranged on the side adjacent to the rollover body (1) in a housing (16). The rollover protection system can be attached to the vehicle body by means of mounting elements (14 and 15), and the assembly (3) can be mounted in a position fixed on the vehicle.

Abstract: In the rollover protection system, the rollover body comprises two limbs which, with in each case one end, are pivotable in bearings arranged spaced apart transversely with respect to the vehicle, and which, by means of the other ends thereof which can be pivoted out, can be locked together in the protection position. To increase the support height and support breadth of a system of said type, it is proposed that one of the limbs is designed such that it can be telescopically lengthened. Said limb comprises the telescopic parts which, in the extended state, are locked, so as to be prevented from being retracted again, by means of a spring-loaded bolt in conjunction with a deployable locking element in the pushed-out position.

Abstract: In a vehicle part with a structural reinforcement part, the structural reinforcement part comprises fibers embedded in plastic material to absorb tensile and/or compressive forces or tensile (Fz) and/or compressive stresses.

Abstract: A rollover protection system for motor vehicles with a roll bar, which can be moved by a drive unit from a position of rest to a protection position, is secured in the protection position by a locking device and prevented from retracting, and is fixed in the position of rest by a holding device, wherein the holding device has a movably arranged catch element which can be disengaged abruptly by a pyrotechnical actuator. For such cases in which the catch element can move beyond the release point and there is a danger of a rebounding, because a path-limiting stop is present, the invention calls for providing a structural part that prevents a return movement of the catch element into the holding position. This structural part can be a detent spring arranged in the travel path of the catch element, being fastened to the roll bar and preventing the catch element from swiveling back after striking a path-limiting wall of the roll bar.

Abstract: A rollover protection system is provided for motor vehicles having at least one actively deployable rollover body (2), which in the normal operating state is kept in a rest position and which is deployable into a support position by a pyrotechnic actuator (6). In order to provide a rollover protection system, in which the pyrotechnic actuator (6) has a space saving, highly efficient, and economical arrangement, the protection system provides, among other things, that the rollover body (2) is deployable by the actuator (6) according to the principle of a rocket propulsion system.