Valve for zoned cellular cushion
US6564410B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 17, 2002 |
| Grant date | May 20, 2003 |
| Priority date | — |
| Expiry date | Jan 17, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/86879
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A valve for use with an inflatable cushion having individual inflation zones including a casing with an internal bore and a plurality of openings along the length of the casing connected to the individual inflation zones by air conduits and a movable slide within the casing bore. The slide has a number of openings along the its length that communicate with an inner bore. The valve is opened by aligning the slide openings with the casing openings to allow the inflation zones to communicate through the valve slide bore and is closed by moving the slide openings out of alignment with the casing openings to seal off the inflation zones.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.