Lifting structure of display rack
US11918129B1 · kind B1 · utility
Inventors
Key dates
| Filing date | Jan 19, 2023 |
| Grant date | Mar 5, 2024 |
| Priority date | — |
| Expiry date | Jan 19, 2043 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47F5/16
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A lifting structure of a display rack includes an upright post, a retainer, a lifting support, and a tension spring. The upright post includes a guide rail on an inner corner of the upright post. The retainer is installed on an upper end of the guide rail. The lifting support includes a support portion that is movably fitted in the inner corner of the upright post and a slide portion that is slidably fitted in the guide rail. The support portion is configured to support a bearing plate of the display rack. Upper and lower ends of the tension spring are connected to the retainer and the slide portion, respectively. The lifting structure of the display rack can be lifted and lowered smoothly without shaking.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.