Cushion
US10646044B2 · kind B2 · utility
1Cited by
5References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 29, 2016 |
| Grant date | May 12, 2020 |
| Priority date | — |
| Expiry date | Apr 13, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47C27/10
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A fluid-fillable cushion comprises upper and lower layers, a first chamber and a second chamber and a discrete pressure distributing unit situated between the upper and lower layers, said pressure distributing unit providing a fluid connection between at least the first chamber and the second chamber. Such a cushion reduces leaks and allows controlled pressure equalisation between the chambers. Also disclosed is a process for making such cushions and seating products comprising such cushions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.