Seat assembly with leg support
US11021090B2 · kind B2 · utility
3Cited by
37References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 27, 2019 |
| Grant date | Jun 1, 2021 |
| Priority date | — |
| Expiry date | Sep 27, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB60N2210/24
- WIPO fieldTransport
- WIPO sectorMechanical engineering
Abstract
A seat assembly is provided having a seat bottom and at least one bladder mounted to the seat bottom adjacent a forward surface and filled with a compressible material. The bladder is moveable between a storage position and at least one leg-support position. A valve is in fluid communication with the at least one bladder. A vacuum pump in fluid communication with the valve. The compressible material is compressed under vacuum pressure generated by the pump when the valve is closed in the storage position. The compressible material is expanded when the valve is open to move the at least one bladder to the leg-support position.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.