Friction stir spot joining device
US7802713B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Dec 19, 2008 |
| Grant date | Sep 28, 2010 |
| Priority date | — |
| Expiry date | Dec 19, 2028 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K20/125
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.