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:
Jan. 02, 2024
Filed:
Dec. 26, 2019
Applicant:
Kawasaki Jukogyo Kabushiki Kaisha, Kobe, JP;
Inventors:
Ryoichi Hatano, Kobe, JP;
Shintaro Fukada, Kobe, JP;
Assignee:
KAWASAKI JUKOGYO KABUSHIKI KAISHA, Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K 20/00 (2006.01); B23K 20/12 (2006.01);
U.S. Cl.
CPC ...
B23K 20/1245 (2013.01); B23K 20/123 (2013.01);
Abstract
A friction stir spot welder includes a controller configured to: drive a rotary actuator and an advancement/withdrawal actuator to cause a pin to press workpieces while rotating; after the pressing, drive the rotary actuator and the advancement/withdrawal actuator to cause the pin and a shoulder to press the workpieces while rotating; and after the pressing, drive the rotary actuator and the advancement/withdrawal actuator to cause the pin and/or the shoulder to plunge into a weld region of the workpieces while rotating and stir the weld region to weld the workpieces together.