Seamless instrument panel passenger air bag door

摘要

An air bag housing includes a chute defining an upper perimeter with a first wall extending from the upper perimeter and a cover extending over the chute integrally from the upper edge. The cover defines a tear seam extending between opposite portions of the upper perimeter remote from the first wall and a hinge area extending between the opposite portions of the upper perimeter and disposed between the first wall and the tear seam.

主权项

1. An air bag housing, comprising:
a chute defining an upper perimeter with a first wall extending from the upper perimeter; and a cover extending over the chute integrally from the upper perimeter and defining:
a tear seam extending between opposite portions of the upper perimeter remote from the first wall;a rigid area contacting the first wall;a plurality of support ribs extending away from the first wall at least within the rigid portion;a hinge area defined by a reduced material thickness comprising respective gaps in the support ribs generally aligned along the hinge area along at least a portion of the cover, the hinge area being disposed toward an interior of the chute, contacting the rigid area, and extending between the opposite portions of the upper perimeter.