Airbag and vehicle passenger restraint system

摘要

An exemplary passenger airbag for a vehicle passenger restraint system may include an inflatable cushion having an upper rear portion with a convex surface and a lower rear portion with a concave surface when the airbag is deployed. The airbag may further include a longitudinal tether secured to the lower rear portion to limit longitudinal expansion of the inflatable cushion and form the concave surface in the lower rear portion.

主权项

1. A passenger airbag for a vehicle passenger restraint system, comprising:
an inflatable cushion including an upper rear portion with a convex outer surface and a lower rear portion with a concave outer surface when the airbag is deployed; and a longitudinal tether secured to the lower rear portion to limit longitudinal expansion of the inflatable cushion and form the concave outer surface in the lower rear portion; wherein the convex outer surface is configured to support a head of an occupant when the airbag is deployed, and the concave outer surface is configured to support a pair of shoulders of the occupant to provide an initial predetermined clearance for a chest of the occupant when the airbag is deployed; wherein the longitudinal tether has an elongated edge spanning at least half of a width of the lower rear portion; and wherein the elongated edge is secured to the lower rear portion contiguously along a length of the elongated edge.