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US Patent 9435399 Reduction gear

Patent 9435399 was granted and assigned to Nabtesco Corporation on September, 2016 by the United States Patent and Trademark Office.

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Contents

Is a
Patent
Patent

Patent attributes

Patent Applicant
Nabtesco Corporation
Nabtesco Corporation
Current Assignee
Nabtesco Corporation
Nabtesco Corporation
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
9435399
Patent Inventor Names
Toshiya Akami0
Date of Patent
September 6, 2016
Patent Application Number
14361640
Date Filed
November 21, 2012
Patent Citations Received
‌
US Patent 11878747 Speed reducer, drive unit and steering assisting device
0
‌
US Patent 11841073 Shaft retention mechanism and speed reducer
0
Patent Primary Examiner
‌
William Kelleher
Patent abstract

Provided is a reduction gear with which allowable output can be further increased and a reduction in size can be achieved. A reduction gear (1) has a case (2), a speed reduction mechanism (3) accommodated within the case (2), a shaft portion (51) to which output of the speed reduction mechanism (3) is transmitted, and a pinion (52) coupled to the shaft portion (51). The speed reduction mechanism (3) has an external tooth gear (15) to which output of an electric motor (100) is transmitted, and a carrier (17) holding the external tooth gear (15). The pinion (52) and the shaft portion (51) are integrally formed, and the shaft portion (51) and the carrier (17) are spline-coupled to each other. A pair of main bearings (32, 33) are held by the case (2), and rotatably support the carrier (17).

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