Height adjustable bed framework with a lift chain and a planetary gear train
US9737149B2 · kind B2 · utility
0Cited by
39References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 10, 2010 |
| Grant date | Aug 22, 2017 |
| Priority date | — |
| Expiry date | Aug 1, 2033 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61G7/012
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
A height adjustable bed framework 12 includes a base frame 24, an elevatable frame 30, a lift chain 50 and a power module 52. The lift chain is connected to the base frame or the elevatable frame and the power module is connected to the other frame. The power module includes an energy converter such as an electric motor 90, a planetary gear train 110 driven by the energy converter and a chain driver, such as a sprocket 160, engaged with the lift chain and driven by the planetary gear train.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.