Foldable supporting device
US8348207B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Feb 26, 2009 |
| Grant date | Jan 8, 2013 |
| Priority date | — |
| Expiry date | Feb 26, 2029 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C19/126
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A foldable supporting device includes parallel supporting frames and foldable units, each of which interconnects an adjacent pair of the supporting frames and includes a pair of crossing members that cross and that are pivoted to each other, and a joint mechanism having a pair of first joints and a pair of second joints that are connected respectively to the adjacent pair of the supporting frames. Each of the crossing members interconnects a respective one of two diagonally aligned pairs of the first and second joints. At least one of the pair of the first joints and the pair of the second joints interconnect upper and lower parts of the adjacent pair of the supporting frames, respectively.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.