Desk and chair interchangeable device
US7198326B2 · kind B2 · utility
Inventor
Key dates
| Filing date | Feb 14, 2006 |
| Grant date | Apr 3, 2007 |
| Priority date | — |
| Expiry date | Feb 14, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C13/00
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A desk and chair interchangeable device which comprises a first plate; a second plate; a supporting unit having a first frame, and a second frame and a bearing frame for connecting the first frame and the second frame; a pivotal unit formed by a first pivotal seat, a second pivotal seat and a linkage; the first pivotal seat serving to pivotally connect one end of the linkage and the first plate; the second pivotal seat serving to pivotally connect another end of the linkage and the second plate so that the first plate can pivotally rotate; and an adjusting unit installed on the first plate for connecting the first plate to the first frame. The adjusting unit serves to adjust the elevation of the first plate; the pivotal unit serves to pivotally rotate the first plate to a horizontal position to be as a table plate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.