Light weight differential case half

Planetary gear transmission systems or components – Differential planetary gearing – Bevel gear differential

Reexamination Certificate

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C475S160000, C074S60600R

Reexamination Certificate

active

07341536

ABSTRACT:
A vehicle differential case is disclosed, the case having an interior and an exterior configuration which provides an increased internal volume for, among other things, lubricant for components of the differential mechanism, while at the same time providing excellent structural strength. Importantly, the weight versus stiffness ratio of the differential case so described is significantly improved compared to known differential cases.

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patent: 6413183 (2002-07-01), Ishikawa et al.
patent: 7232399 (2007-06-01), Valente
patent: 2005/0137047 (2005-06-01), Hay
patent: WO 00/23731 (2000-04-01), None

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