US Patent 7628091 Composite gear and method of manufacturing the same

Patent 7628091 was granted and assigned to Toyota on December, 2009 by the United States Patent and Trademark Office.

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Patent Inventor Names

Mitsuyasu Ukita0

Yota Mizuno0

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Patent abstract

A composite gear, wherein an external gear and a rotation Support surface are formed on the outer peripheral surface thereof and a first internal gear and a second internal gear are formed on the inner peripheral surface thereof at a predetermined interval in the rotating axis direction. A chuck portion is formed on the inner peripheral surface between the first terminal gear and the second internal gear, and the inner diameter of the chuck portion is smaller than at least one of the diameter of the tip of the first internal gear and the diameter of the tip of the second internal gear.

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