US4766893A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Emergency oxygen supply unit with a respirator
Assignee: BE Aerospace Systems GmbH
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Filing: 1987-04-21
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Granted: 1988-08-30
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Expires: 2007-04-21
Abstract
Abstract An emergency supply unit with a respirator for oxygen supply to air passengers contains an O 2 -delivering supply unit and a mask, which are received in an openable housing. After removal from the housing the parts form an independent unit which is ready for versatile mobile use. The oxygen unit and the mask are mounted on a housing part which is detachably connected with the housing body and provided with a carrying strap.
Inventors
- 👤 Wolfgang Drews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:42
CPC Classifications
A; A62; A62B; A62B17/00; A62B17/04; B; B64; B64D; B64D11/00; B64D2231/00; B64D2231/02; B64D2231/025
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
125 words
An emergency supply unit, comprising a housing having a detachable part, an oxygen supply unit mounted on said detachable part, a mask mounted on said detachable part which is connectible to said oxygen supply unit, and a carrying strap associated with said detachable part, wherein said housing includes a trough-shaped member, said detachable part comprising a cover hinged to said member, said cover being foldable downwardly out of said member on said hinge connection, said oxygen unit being secured to said cover and having a hose portion extending outwardly therefrom and downwardly when said cover is opened, said mask being removable with said hose portion to position it on a wearer's head, and a life preserver encompassing the wearer's shoulder and secured to said mask.
Claim 2
Dependent Claim
125 words
An emergency supply unit, comprising a housing having a detachable part, an oxygen supply unit mounted on said detachable part, a mask mounted on said detachable part which is connectible to said oxygen supply unit, and a carrying strap associated with said detachable part, wherein said housing includes a trough-shaped member, said detachable part comprising a cover hinged to said member, said cover being foldable downwardly out of said member on said hinge connection, said oxygen unit being secured to said cover and having a hose portion extending outwardly therefrom and downwardly when said cover is opened, said mask being removable with said hose portion to position it on a wearer's head, and a life preserver encompassing the wearer's shoulder and secured to said mask.
Claim 3
Dependent Claim
26 words
An emergency oxygen supply unit according to claim 1 including a holder secured to said detachable part and enveloping said oxygen supply unit and said mask.
Claim 4
Dependent Claim
23 words
An emergency oxygen supply unit according to claim 1 wherein said mask includes a smoke protection hood portion engageable over the wearer's head.
Claim 5
Dependent Claim
22 words
An emergency oxygen supply unit according to claim 3 wherein said smoke protection hood has a collar with a life saver vest.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-08-30 | 1992-02-29 | 1992-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-30 | 1996-02-29 | 1996-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-30 | 2000-02-29 | 2000-08-30 | $7700.00 | Window Closed / Lapsed |