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:
Aug. 04, 2015
Filed:
Mar. 16, 2012
Applicants:
Hideki Okada, Kakamigahara, JP;
Hajime Kashiki, Kobe, JP;
Kazumi Fukuhara, Aakashi, JP;
Mitsuo Fujimoto, Kobe, JP;
Inventors:
Hideki Okada, Kakamigahara, JP;
Hajime Kashiki, Kobe, JP;
Kazumi Fukuhara, Aakashi, JP;
Mitsuo Fujimoto, Kobe, JP;
Assignee:
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 20/12 (2006.01);
U.S. Cl.
CPC ...
B23K 20/122 (2013.01); B23K 20/123 (2013.01); B23K 20/1265 (2013.01);
Abstract
A tool driving section of a friction stir spot welding device is configured to advance and retract each of a pin member and a shoulder member. A tool driving control section is configured to control the tool driving section such that an absolute value of a tool average position Tx defined by a following equation: