Valve assembly for an air cushion
US11739854B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2022 |
| Grant date | Aug 29, 2023 |
| Priority date | — |
| Expiry date | Jan 7, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T137/3646
- WIPO fieldMechanical elements
- WIPO sectorMechanical engineering
Abstract
An air valve assembly includes a housing defining an internal channel, a plunger member positioned in the internal channel and configured to slide relative to the housing, a biasing member positioned in the internal channel and configured to apply a biasing force onto the plunger member, a sealing member defining a first inflation aperture, the plunger member slidably received by the first inflation aperture, a second deflation aperture defined by the housing and in fluid communication with the internal channel, and a deflation control member slidably connected to the housing, the deflation control member configured to selectively seal the second deflation aperture.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.