Vehicle seat and airbag
A system includes a seat back including a housing having a chamber, a frame in the chamber and deployable from the housing above the seat back, an airbag supported by the frame, and a pyrotechnic device in fluid communication with the chamber.
1. A system, comprising:
a seat back including a housing having a chamber;
a frame in the chamber and deployable from the housing above the seat back;
an airbag supported by the frame;
an inflator in fluid communication with the airbag; and
a pyrotechnic device in fluid communication with the chamber;
wherein the housing tapers from a first end to a second end, the frame tapers from a first end to a second end, and the first end of the frame is designed to engage the second end of the housing with a friction fit.
2. The system of claim 1 , further comprising a roof, wherein the airbag is inflatable to an inflated position in which the airbag engages the roof.
3. The system of claim 2 , wherein the seat back has a bottom and the airbag extends from the roof to below the bottom.
4. The system of claim 1 , wherein the seat back has a bottom and the airbag is inflatable to an inflated position in which the airbag extends below the bottom of the seat back.
5. The system of claim 1 , wherein the seat back includes a seat back frame and the housing is supported by the seat back frame.
6. The system of claim 1 , wherein the pyrotechnic device is supported by the seat back.
7. The system of claim 1 , wherein the pyrotechnic device is in the chamber.
8. The system of claim 1 , wherein the housing is fixed to the seat back.
9. The system of claim 1 , wherein the housing is integral with the seat back.
10. The system of claim 1 , wherein the seat back defines an occupant seating area and the frame is beyond the occupant seating area.
11. The system of claim 1 , wherein the airbag includes a pair of side panels and a front panel between the side panels.
12. The system of claim 11 , wherein the seat back defines an occupant seating area and the airbag is inflatable to an inflated position in which the occupant seating area is between the side panels and below the front panel.
13. The system of claim 1 , wherein the frame is rigid relative to the airbag.
14. The system of claim 1 , wherein the frame includes a first member and a second member spaced from the first member.
15. The system of claim 14 , wherein the airbag is supported by the first member and the second member.
16. The system of claim 1 , further comprising a cover, wherein the airbag is disposed in the cover.
17. The system of claim 1 , wherein the pyrotechnic device is arranged to provide deployment medium into the chamber against a first end of the frame.
18. The system of claim 4 , wherein the seat back includes a top and a midpoint, and the chamber extends from the top of the seat back toward the bottom of the seat back past the midpoint of the seat back.
19. The system of claim 1 , wherein the inflator includes a fill tube extending through the frame from the inflator directly to the airbag.