Lumbar support mechanism and head tilt mechanism and adjustable bed therewith
US11839307B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 12, 2021 |
| Grant date | Dec 12, 2023 |
| Priority date | — |
| Expiry date | May 5, 2042 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C20/041
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
The lumbar support mechanism and an adjustable bed having the same. The lumbar support mechanism includes a lumbar support member; first, second, third and fourth support legs; a linkage member; and first and second lumbar support brackets operably attachable to a back platform of the adjustable bed. The first and second support legs are pivotally connected between the lumbar support member and the linkage member; and the third and fourth support legs are pivotally connected between the first and second support legs, and the first and second lumbar support brackets, respectively, such that the lumbar support member is operably movable between a retracted position and an expanded (ejected) position when the linkage member moves between first and second positions. The lumbar support is provided when the lumbar support member is in the ejected position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.