Differential pinion gear having interior circumference for...

Details Differential pinion gear having interior circumference for... Differential pinion gear having interior circumference for...

2007-08-27

2009-10-06

Pang, Roger L (Department: 3655)

Planetary gear transmission systems or components

With lubricaton

For differential planetary gearing

C475S336000, C074S467000

Reexamination Certificate

active

07597642

ABSTRACT:
A differential pinion gear has a curved interior surface, defining a hole for a pinion shaft to be disposed therein. The hole is narrower at the center and wider at the ends. The interior surface may have a radius of curvature at the center of the hole that is larger than the radius of curvature at each of the ends of the hole. The hole may also include a chamfered portion at each end.

REFERENCES:
patent: 913424 (1909-02-01), Nehring
patent: 3633441 (1972-01-01), Hicks
patent: 4643284 (1987-02-01), Hardt et al.
patent: 6122985 (2000-09-01), Altamura
patent: 6322474 (2001-11-01), Hauser
patent: 2007/0056400 (2007-03-01), Kennedy

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