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:
Mar. 08, 2016
Filed:
Jun. 25, 2012
Applicants:
Yuqi Tang, Nagano, JP;
Satoshi Sugita, Nagano, JP;
Shigenori Miyairi, Nagano, JP;
Inventors:
Assignee:
SANYO DENKI CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 41/03 (2006.01); H02K 35/02 (2006.01);
U.S. Cl.
CPC ...
H02K 41/031 (2013.01); H02K 35/02 (2013.01);
Abstract
Provided herein is a linear motor in which a back yoke can readily be mounted onto a plurality of linear motor units. The back yoke is constituted from a back yoke assembly including a surrounding portion that entirely surrounds six linear motor units. The back yoke works to form part of respective magnetic circuits of the six linear motor units. The back yoke assembly includes first and second divided assemblies and five partition wall portions. The first and second divided assemblies are each formed by press working a magnetic plate made of silicon steel.