Patent · US Expired

Variable wall thickness trailer axles

US7090309B2 · kind B2 · utility

17Cited by
17References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 25, 2003
Grant dateAug 15, 2006
Priority date
Expiry dateDec 24, 2023

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60B35/08
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An axle assembly is provided having a varying wall thickness resulting in an axle assembly that is lightweight yet has sufficient strength and stiffness. The axle assembly includes a tube disposed about a longitudinal axis and having first and second end portions and a center portion. The first and second end portions have a uniform wall thickness and the center portion has a wall thickness that is uniform at first and second axially spaced segments and a non-uniform wall thickness both between the axially spaced segments and between each of the axially spaced segments and the end portions.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.