Hollow bearer for vehicles

US4194763A · kind A · utility

Assignee

• Daimler-Benz AG · DE

Inventors

• Willi Reidelbach · Sindelfingen, DE
• Hermann Renner · Worms, DE
• Wolfgang Klie · Ditzingen, DE

Key dates

• Filing date: Jul 22, 1977
• Grant date: Mar 25, 1980
• Expiry date: Jul 22, 1997

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T29/49869
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A bearer, especially a longitudinal bearer of a motor vehicle frame, which is constructed as hollow profile and includes a deformable section dissipating impact energy; the walls of the longitudinal bearer have different strength characteristics as a result of a treatment of these areas changing the strength of the wall material compared to non-treated areas; a greater strength thereby exists in the treated wall areas than in the untreated areas.