Metal working – Method of mechanical manufacture – Structural member making
Reexamination Certificate
2003-01-31
2008-12-09
Johnson, Vicky A (Department: 3682)
Metal working
Method of mechanical manufacture
Structural member making
C074S607000
Reexamination Certificate
active
07461454
ABSTRACT:
An axle assembly includes an upper and lower housing joined to form a chamber for a differential gear assembly. The upper and lower housings are fabricated by a method including the steps of forming the upper housing from a first sheet of material and forming the lower housing from a second sheet of material. The upper housing includes an opening for the differential gear assembly and the lower housing includes a bowl portion disposed opposite the opening. The upper and lower housings are joined by a weld to from the axle housing. The lower housing includes leg portions that form a single unified structure with the bowl portion to improve structural rigidity and simplify assembly.
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International Search Report for Spanish Application No. 200400155 dated Sep. 6, 2006.
McKenzie Jack R.
Melton Patrick B.
Arvin Technologies
Carlson & Gaskey & Olds
Johnson Vicky A
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