The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 02, 2018
Filed:
Jul. 30, 2014
Applicant:
Nabtesco Corporation, Tokyo, JP;
Inventors:
Assignee:
NABTESCO CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 1/32 (2006.01); H02K 7/116 (2006.01);
U.S. Cl.
CPC ...
F16H 1/32 (2013.01); H02K 7/116 (2013.01); F16H 2001/323 (2013.01);
Abstract
A gear transmission is provided with a gear structure and a plurality of motors. The gear structure is provided with a plurality of crank shafts, an eccentric rotation gear, and a rotation gear. Each motor is attached to one of the crank shafts. At least one of the plurality of motors is a first motor, and at least another of the plurality of motors is a second motor. The second motor has a length in an axial direction shorter than that of the first motor.