Auxiliary table plate device with elevation adjusting device
US7140306B2 · kind B2 · utility
16Cited by
9References
17Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 20, 2004 |
| Grant date | Nov 28, 2006 |
| Priority date | — |
| Expiry date | Jan 24, 2025 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47B17/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
An auxiliary table plate device with an elevation adjusting device includes two linkages at two sides; one end of each linkage being connected to an auxiliary table plate; and another end of each linkage being connected to a twisting element; the twisting element rotating as the twisting element is driven by a telescopic pressure pump so as to drive the linkages; thus the auxiliary table plate connected to the linkages rotating to change the elevation of the auxiliary table plate; when the pump stops, the auxiliary table plate being fixed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.