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:
Feb. 20, 2018
Filed:
Sep. 15, 2016
Applicant:
Fanuc Corporation, Yamanashi, JP;
Inventors:
Assignee:
FANUC CORPORATION, Yamanashi, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23Q 5/10 (2006.01); B23Q 5/28 (2006.01); B23Q 5/32 (2006.01); B23Q 11/12 (2006.01); H05K 7/20 (2006.01);
U.S. Cl.
CPC ...
B23Q 11/127 (2013.01); B23Q 5/10 (2013.01); B23Q 5/28 (2013.01); B23Q 5/32 (2013.01); H05K 7/209 (2013.01);
Abstract
A motor driving device comprises a first heat sink arranged outside a housing, a second heat sink arranged inside the housing, and a heat conduction plate configured to thermally connect the first heat sink and the second heat sink. A switching element for a spindle is mounted on the first heat sink, and a switching element for a feed axis is mounted on the second heat sink.