One-piece suspension arm

摘要

The spring link (1) is essentially in one piece and can be manufactured from a pipe blank using an internal high pressure shaping technique. The spring link consists of aluminum pipe with a longitudinal welded seam made by an internal high pressure shaping technique or of an extruded aluminum pipe. The spring link has a rectangular or polygonal shape, at least in part and bores (5) and/or holes (6-8) are provided in the link. AN Independent claim is also included for the following: (a) a method of manufacturing an inventive spring link.