Laser welding jig and laser welding device comprising same
US11413712B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 9, 2018 |
| Grant date | Aug 16, 2022 |
| Priority date | — |
| Expiry date | Apr 17, 2040 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01M50/204
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A laser welding jig includes a jig body configured to cover the bus bar unit during welding. A plurality of welding slits are formed at the jig body so that electrode leads and at least one lead bus bar are exposed out of the jig body for the welding. A plurality of bolt insert portions are provided between plurality of welding slits. The welding jig also includes at least one bolt insert hole into which at least one pressing bolt is inserted, and a pair of lead adhering blocks provided at a rear surface of each of the bolt insert portions and configured to be spaced from each other as the pressing bolt is inserted so that the electrode leads are adhered to the lead bus bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.