Patent ID: 8267415

Claim:
A suspension arm comprising: first and second metal housings; a metal connecting portion including first and second panels, wherein the metal connecting portion connects the first and the second metal housings at distal ends thereof respectively, and wherein a burred first panel connecting portion and a burred second panel connecting portion are formed respectively on the first and the second panels; and a reinforcement member wrapping the first and the second metal housings and the metal connecting portion, wherein the first panel and the second panel are connected by inserting the burred second panel connecting portion into the burred first panel connecting portion; wherein a connecting annulus is formed on the distal ends of the metal connecting portion and the first and the second metal housing are inserted therein respectively; and wherein the reinforcement member is integrally formed together with the first and the second metal housings and the metal connecting portion through an insert injection molding process after connecting the first and the second metal housing, the connecting annulus and the metal connecting portion.