Air bag apparatus
First Claim
1. An air bag apparatus wherein an air bag is housed along a roof side rail and is inflated and deployed in a curtain-like shape along a vehicle compartment side wall due to gas supplied from an inflator that is disposed outside the air bag and is arranged in a center portion along a longitudinal direction of a vehicle so as to protect a head portion of an occupant, the air bag is provided with an inflating portion for a front seat and an inflating portion for a rear seat, a gas passage for communicating upper portions of both of these inflating portions and a single gas supply port that opens into the gas passage from upward, and wherein a shower head for dispersing the gas supplied from the inflator in a three-dimensional direction is disposed so as to face the gas supply port of the air bag and the shower head has a plurality of injection holes which are directed to the three-dimensional direction.
1 Assignment
0 Petitions
Accused Products
Abstract
In an air bag apparatus structured such that an air bag (11) housed in a part of a vehicle in a folded manner is inflated and deployed by a gas supplied from an inflator (14) so as to protect an occupant, the gas supplied from the inflator (14) is dispersed in a three-dimensional direction by a shower head (13a) so as to be supplied to a gas passage (11b) of the air bag (11).
23 Citations
42 Claims
- 1. An air bag apparatus wherein an air bag is housed along a roof side rail and is inflated and deployed in a curtain-like shape along a vehicle compartment side wall due to gas supplied from an inflator that is disposed outside the air bag and is arranged in a center portion along a longitudinal direction of a vehicle so as to protect a head portion of an occupant, the air bag is provided with an inflating portion for a front seat and an inflating portion for a rear seat, a gas passage for communicating upper portions of both of these inflating portions and a single gas supply port that opens into the gas passage from upward, and wherein a shower head for dispersing the gas supplied from the inflator in a three-dimensional direction is disposed so as to face the gas supply port of the air bag and the shower head has a plurality of injection holes which are directed to the three-dimensional direction.
-
36. An air bag apparatus wherein an air bag is housed along a roof side rail and is inflated and deployed in a curtain-like shape along a vehicle compartment side wall due to gas supplied from an inflator so as to protect a head portion of an occupant, the air bag is provided with an inflating portion for a front seat and an inflating portion for a rear seat and a gas passage for communicating upper portions of both of these inflating portions, and wherein a shower head for dispersing the gas supplied from the inflator in a three-dimensional direction is disposed so as to face the gas passage of the air bag and the shower head has a plurality of injection holes which are directed to the three-dimensional direction, wherein
opening areas of an injection hole for the front seat and an injection hole for the rear seat provided in the shower head are set according to capacities of expansion chambers in the front seat inflating portion and the rear seat inflating portion.
Specification