Patents Examined by Jospeh Rocca
  • Hardening of flexible trailing arms
    Patent number: 8480104
    Abstract: The invention relates to a method for manufacturing of a flexible trailing arm for a wheel axle suspension of a vehicle such as a lorry or a trailer. In the method a steel blank is heated. Next, the blank is formed into the desired shape of the trailing arm by means of a suitable forming process. Following that the trailing arm is austempered by cooling it in a warm fluid medium.
    Type: Grant
    Filed: November 19, 2009
    Date of Patent: July 9, 2013
    Assignee: Weweler Nederland B.V.
    Inventors: Derk Geert Aalderink, Martinus Jozef Maria Verhoofstad