Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mitsuyasu Ukita0
Yota Mizuno0
Date of Patent
December 8, 2009
Patent Application Number
10590233
Date Filed
February 24, 2005
Patent Primary Examiner
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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