Patent US4899663A successfully refreshed from Google Patents.
US4899663A
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Percussion initiated inflator assembly
Assignee: Automotive Systems Laboratory Inc
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Filing: 1989-02-15
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Granted: 1990-02-13
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Expires: 2009-02-15
Abstract
Abstract A percussion initiated inflator assembly for an airbag comprises a detonator panel that effects essentially simultaneous ignition of a plurality of gas generators by a shock wave.
Inventors
- 👤 William F. Thorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:30
CPC Classifications
B; B60; B60R; B60R21/00; B60R21/02; B60R21/16; B60R21/26; B60R21/264; B60R21/2644; F; F42; F42B; F42B3/00; F42B3/04; B60R2021/2648; Y; Y10; Y10S; Y10S102/00; Y10S102/702
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
110 words
A percussion initiated inflator assembly comprising a housing, an airbag forming a front wall of said housing, a rigid detonator panel forming a rear wall of said housing, a plurality of gas generating cartridge supported within said housing by said detonator panel, a percussion initiated primer in each of said cartridges, a diaphragm between the percussion primer of each of said cartridges and said detonator panel, a single detonator supported internally of said detonator panel in spaced relation to said cartridges, and an explosive trace disposed internally of said detonator panel and extending from said detonator to the diaphragm of each of said cartridges, respectively, for effective percussion ignition thereof.
Claim 2
Dependent Claim
110 words
A percussion initiated inflator assembly comprising a housing, an airbag forming a front wall of said housing, a rigid detonator panel forming a rear wall of said housing, a plurality of gas generating cartridge supported within said housing by said detonator panel, a percussion initiated primer in each of said cartridges, a diaphragm between the percussion primer of each of said cartridges and said detonator panel, a single detonator supported internally of said detonator panel in spaced relation to said cartridges, and an explosive trace disposed internally of said detonator panel and extending from said detonator to the diaphragm of each of said cartridges, respectively, for effective percussion ignition thereof.
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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) | 1993-02-12 | 1993-08-14 | 1994-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-02-12 | 1997-08-14 | 1998-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-02-12 | 2001-08-14 | 2002-02-13 | $7700.00 | Window Closed / Lapsed |