Variable-pitch spot welding gun assembly for a welding robot
US5111019A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Nov 19, 1990 |
| Grant date | May 5, 1992 |
| Priority date | — |
| Expiry date | Nov 19, 2010 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB23K11/314
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A variable pitch spot welding gun assembly for a welding robot has a fixed base (16) directly attached to the robot wrist (12) of an industrial welding robot, welding transformers (24, 26) fixed to the fixed base (16), a fixed spot welding gun (22) provided apart from the welding transformers (24, 26), a movable spot welding gun (20) provided apart from the welding transfomers (24, 26) and capable of being moved relative to the fixed spot welding gun (22), to adjust a pitch between the fixed spot welding gun (22) and the movable spot welding gun (20), and secondary conductors (44a to 44e) connecting the fixed and movable spot welding guns (22, 90) respectively to the welding transformers (24, 26).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.