Support structures using tubes having variable wall thicknesses

摘要

A support structure for components within a vehicle is provided. The support structure includes a beam comprising a hollow metal tube coupled to vehicle's body. The tube is constructed of a single piece of tubing having first and second portions. The first portion has a first diameter and a first thickness, the second portion has a second diameter and a second thickness. The second diameter is larger than the first diameter and the second thickness is greater than the first thickness.