IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0157982
(2002-05-31)
|
우선권정보 |
DE-0026864 (2001-06-01) |
발명자
/ 주소 |
- Kamm, Martin
- Schnitzer, Juergen
|
출원인 / 주소 |
- Dr. Ing. H.C.F. Porsche AG
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
2 인용 특허 :
7 |
초록
▼
A knee protection device for vehicle occupants comprises at least one airbag, which, in the inflated operation position, extends in front of the knees of a vehicle occupant, lies against the knees in the event of a restraint and prevents the knees from shifting forward. A knee-protection device, whi
A knee protection device for vehicle occupants comprises at least one airbag, which, in the inflated operation position, extends in front of the knees of a vehicle occupant, lies against the knees in the event of a restraint and prevents the knees from shifting forward. A knee-protection device, which functions well, is easily constructed and avoids injury during the inflation of the airbag. The airbag or air cushion comprises at least two transversely extending airbags, which are disposed directly one behind another in the longitudinal direction of the vehicle. Adjoining airbags are coupled to one another on the side, facing the knees, by an approximately tangentially extending outer fabric bridge or by an otherwise disposed fabric bridge.
대표청구항
▼
1. A knee-protection device for occupants of a motor vehicle with an airbag which, in an inflated operating position, extends in front of the knees of vehicle occupants, wherein, in the operating position, the knee-protection device consists of at least two airbags which extend transversely to the v
1. A knee-protection device for occupants of a motor vehicle with an airbag which, in an inflated operating position, extends in front of the knees of vehicle occupants, wherein, in the operating position, the knee-protection device consists of at least two airbags which extend transversely to the vehicle and are disposed one directly behind the other in a longitudinal direction of the vehicle and, at least on a side facing the knees, are connected to one another over at least a flexible bridge and on a side of the airbags, averted from the knees, is held in a stationary position at a body of the vehicle by fixing shackles, and wherein the two airbags are aligned in the operating position in a common plane Y—Y. 2. The knee-protection device of claim 1, wherein the airbags lie directly against one another in the operating position and a flattened fixing zone is formed between the airbags. 3. The knee-protection device of claim 1, wherein the two airbags have approximately a same cross section and a same size. 4. The knee-protection device of claim 1, wherein the two airbags and the bridge are produced in one piece in a 3-D weaving process. 5. The knee-protection device of claim 1, wherein the airbags are filled individually over an opening and each airbag is separated by the bridge and forms an independently acting airbag. 6. The knee-protection device of claim 1, wherein the airbags are connected with one another over at least one channel and at least one of the airbags has an opening for filling the airbags. 7. The knee-protection device of claim 1, wherein the knee-protection device is formed as a prefabricated module, which comprises a housing, the at least two airbags which are folded together, and at least one gas generator, the module rigidly connected on an interposed sheet-metal holding plate with a cross beam of a dashboard. 8. The knee-protection device of claim 1 wherein the airbags are circular in cross section and have an elongated, tubular form. 9. The knee-protection device of claim 1 wherein the airbags are elliptical. 10. The knee-protection device of claim 4 wherein the tubular airbags have different diameters. 11. The knee-protection device of claim 1 wherein the bridge extends over a whole length of the airbags and is disposed tangentially to the airbags. 12. The knee-protection device of claim 1 wherein the two airbags are supported in an upright direction at a vehicle body and the flexible bridge is disposed between the airbags at least partially above the knee. 13. A knee-protection device for occupants of a vehicle with at least two airbags which are disposed one directly behind the other in a longitudinal direction of the vehicle, which, in an inflated operating position, extend in front of the knees of a vehicle occupant and are aligned in the operating position in a common plane Y—Y, wherein the two airbags are formed as at least one air cushion, which has a flat supporting surface directed to the knees, and wherein the two airbags are held in a stationary position at a body of the vehicle by fixing shackles. 14. The knee-protection device of claim 13, wherein the at least one air cushion comprises several tubes which are disposed adjacent to one another, extend transversely to the vehicle and are connected with one another. 15. The knee-protection device of claim 13 wherein the at least one air cushion, in a starting position, is folded together in a the body of the vehicle. 16. A vehicle knee-protection device, comprising:a dashboard including a transverse beam;a module disposed within the dashboard and including:a holding plate connected to the transverse beam;a trough-shaped housing connected to the holding plate;at least two airbags disposed within the housing;an airbag cover disposed over the at least two airbags;a gas generator; andgas-carrying pipes connected to the gas generator and the at least two airbags;wherein the at least two airbags are disposed one directly behind the other in a longitudinal direction of the vehicle and are held in a stationary position at a body of the vehicle by fixing shackles and wherein the at least two airbags are aligned in an operating position in a common Diane Y—Y. 17. The vehicle knee-protection device of claim 16 wherein the at least two airbags are connected to one another by a flexible bridge.
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