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:
Sep. 28, 2010
Filed:
Dec. 19, 2008
Kazumi Fukuhara, Akashi, JP;
Masaki Kumagai, Tokyo, JP;
Toshihiko Fukuda, Tokyo, JP;
Yoshio Sato, Ayase, JP;
Kenta Aoki, Ayase, JP;
Kazumi Fukuhara, Akashi, JP;
Masaki Kumagai, Tokyo, JP;
Toshihiko Fukuda, Tokyo, JP;
Yoshio Sato, Ayase, JP;
Kenta Aoki, Ayase, JP;
Kawasaki Jukogyo Kabushiki Kaisha, Kobe-Shi, Hyogo, JP;
Sumitomo Light Metal Industries, Ltd., Tokyo, JP;
Abstract
There is provided a friction stir spot joining device wherein stirring-related members are unitized to form a unitized stirring unit and an opening is formed in a friction stir spot joining device body for housing the unitized stirring unit therein. A stirring motor, a stirring shaft and a power transmission mechanism are unitized to form a stirring unit, and bearings of a linear motion guide are fixed to the stirring unit immediately under the stirring unit, and a ball nut is fixed to the back face of the stirring unit, wherein the friction stir spot joining device body is opened to form the opening at a rear upper portion through which the stirring unit is caused to move inside thereof.