Tow hook mounting structure for use with vehicle having curved frame

The disclosed inventive concept provides a robust tow hook mounting structure for use with vehicles having curved frames in which the tow hook remains fixed to the vehicle during a front end impact event. The structure includes weld nuts aligned in a vehicle longitudinal direction. A frame reinforce...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Kostrominov, Viktor, Chang, Jungmao Michael, McCarthy, Daniel J, Knittel, John Martin, Elbkaily, Marwan Ahmad
Format: Patent
Sprache:eng
Schlagworte:
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Beschreibung
Zusammenfassung:The disclosed inventive concept provides a robust tow hook mounting structure for use with vehicles having curved frames in which the tow hook remains fixed to the vehicle during a front end impact event. The structure includes weld nuts aligned in a vehicle longitudinal direction. A frame reinforcement to which the tow hook is attached is welded to the front tip of the curved frame. Mounting bolts are aligned in the longitudinal direction of the vehicle to secure the tow hook and the tow hook reinforcement to the frame weld nuts. The shear capacity of the mounting bolts is higher than the towing capacity and the crash load during an impact event. The structure generates high bending moments that trigger favorable bending deformations in the kick down area of the frame in which the structure functions as a backup arrangement in an impact event and reduces high crash pulses.