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:
Apr. 02, 2019

Filed:

Mar. 25, 2016
Applicant:

Fanuc Corporation, Yamanashi, JP;

Inventors:

SeungJun Lee, Yamanashi, JP;

Hidetoshi Uematsu, Yamanashi, JP;

Tomohiro Seki, Yamanashi, JP;

Assignee:

FANUC CORPORATION, Yamanashi, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01B 11/27 (2006.01);
U.S. Cl.
CPC ...
G01B 11/272 (2013.01);
Abstract

A shaft accuracy measuring device includes: a measurement unit including a light projecting unit that projects a measuring light and a light receiving unit that receives the measurement light projected by the light projecting unit; a motor installation unit that installs the motor such that the output shaft of the motor is disposed between the light projecting unit and the light receiving unit; and a calculation unit that calculates at least one of axial run-out, center run-out, and face run-out of the motor based on a measurement result of the measurement unit.


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