Frame door with split connection frame
US11898400B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2022 |
| Grant date | Feb 13, 2024 |
| Priority date | — |
| Expiry date | Sep 6, 2042 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06B2003/7086
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A frame door with a split connection frame is provided, including a split connection frame. The split connection frame includes a first connection frame which is provided in a frame door and a second connection frame which is provided in an other frame door. The first connection frame is provided with a slide rail groove, the second frame is provided with a slide plate which engages with the slide rail groove. The slide rail groove has a C-shaped cross section so as to wrap edges of the slide plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.