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.

Date of Patent:
Jan. 26, 2016

Filed:

Jul. 08, 2014
Applicant:

Fanuc Corporation, Yamanashi, JP;

Inventor:

Masayoshi Mori, Yamanashi, JP;

Assignee:

Fanuc Corporation, Yamanashi, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25J 17/00 (2006.01); B25J 17/02 (2006.01); B25J 9/10 (2006.01);
U.S. Cl.
CPC ...
B25J 17/0258 (2013.01); B25J 9/102 (2013.01); Y10T 74/20317 (2015.01);
Abstract

A spur gear deceleration mechanism unit () of a wrist structure unit is adapted to be driven in a first deceleration ratio structure or a second deceleration ratio structure. The first deceleration ratio structure uses at least a first spur gear () fitted onto an output shaft of a wrist inner frame driving motor () and a second spur gear () rotatably supported by a first auxiliary shaft (). The second deceleration ratio structure uses at least the first spur gear, a first additional spur gear () rotatably supported by an additional auxiliary shaft (), and a second additional spur gear () rotatably supported integrally with the first additional spur gear by the additional auxiliary shaft.


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