COMBINED VEHICLE BRAKE WITH A BALL SCREW DRIVE

A combined vehicle brake which has a hydraulically actuable service brake and an electromechanically actuable parking brake device. The present invention is based on the problem of improving the known ball screw drives for use in vehicle brakes, of making simple automated assembly possible, and in a...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WINKLER, Thomas, BAUER, Jürgen, HESS, Thomas, FÜLLER, Dieter, VÖLKEL, Jürgen, WALTER, Patrick
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A combined vehicle brake which has a hydraulically actuable service brake and an electromechanically actuable parking brake device. The present invention is based on the problem of improving the known ball screw drives for use in vehicle brakes, of making simple automated assembly possible, and in addition of opening up the possibility to increase cycle times. A spring element of double helical type which is configured differently in sections is provided, in a middle section, that is to say in the drive thread turn, which substantially do not impede the elastically pliable adaption of the spring element to the helically wound drive thread turn, and wherein a bearing section is additionally provided at at least one end of the spring element, which bearing section has an increased transverse rigidity or has it impressed onto it in comparison with the middle section.