Patent ID: 6767071
Filing Date: 2004-07-27
Classification: B23K,B62D,Y10T

Abstract:
A spindle for use in an automobile chassis comprising:an aluminum knuckle; an axial through hole defined in the interior of said knuckle; and a substantially cylindrical steel stem with an interlocking feature defined on an end of said stem, said interlocking feature having an extended flange with an outer diameter greater than the inner diameter of said through hole, and a frusto-conical section with a first end and a second end, and being adjacent to a cylindrical section of said interlocking feature; said cylindrical section having a diameter smaller than a diameter of said second end of said frusto-conical section and being adjacent to said second end of said frusto-conical section; at least a portion of said stem friction welded to at least a portion of said through hole such that said interlocking feature is located within said through hole.