US4433708A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air bag system
Assignee: Aisin Corp
•
Filing: 1981-12-29
•
Granted: 1984-02-28
•
Expires: 2001-12-29
Abstract
Abstract An air bag system includes a plurality of air bags; a pump for supplying said air bags with air, check valves, each disposed on respective pipes communicating said pump with the air bags; and relief valves, each for discharging the air from respective air bag. The air bag further includes stop valves, each provided between said pump and respective check valves for inflating each air bag independently. The contour of a seat having air bags contained therein may be changed so as to fit an occupant.
Inventors
- 👤 Nobuyuki Hashimoto
- 👤 Takemi Hattori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:03
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/90; B60N2/914; Y; Y10; Y10S; Y10S297/00; Y10S297/03
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
160 words
An air bag system, comprising a plurality of air bags, a pump for supplying each of said air bags with air through a respective pipe, dual function valves for operating as both a check valve and a stop valve, one of said dual function valves being arranged in each of the pipes communicating said pump with a respective one of the air bags, a relief valve for discharging air from each of the air bags, each of said dual function valves including a poppet valve biased by a spring and arranged in a chamber communicating with the respective air bag, the poppet valve acting as a check valve for the respective air bag to prevent outflow of air therefrom and being manually operable to act as a stop valve for opening and closing communication between the pump and the respective air bag for selectively inflating the respective air bag such that the plurality of air bags may be inflated individually.
Claim 2
Dependent Claim
160 words
An air bag system, comprising a plurality of air bags, a pump for supplying each of said air bags with air through a respective pipe, dual function valves for operating as both a check valve and a stop valve, one of said dual function valves being arranged in each of the pipes communicating said pump with a respective one of the air bags, a relief valve for discharging air from each of the air bags, each of said dual function valves including a poppet valve biased by a spring and arranged in a chamber communicating with the respective air bag, the poppet valve acting as a check valve for the respective air bag to prevent outflow of air therefrom and being manually operable to act as a stop valve for opening and closing communication between the pump and the respective air bag for selectively inflating the respective air bag such that the plurality of air bags may be inflated individually.
Claim 3
Dependent Claim
18 words
The air bag system defined in claim 1, in which said dual function valves are normally closed valves.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-02-27 | 1987-08-29 | 1988-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-02-27 | 1991-08-29 | 1992-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-02-27 | 1995-08-29 | 1996-02-28 | $7700.00 | Window Closed / Lapsed |