Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Yoshio Sato0
Kenta Aoki0
Masaki Kumagai0
Toshihiko Fukuda0
Kazumi Fukuhara0
Date of Patent
September 28, 2010
Patent Application Number
12317258
Date Filed
December 19, 2008
Patent Primary Examiner
Patent 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.
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