Patent ID: 6419261
Filing Date: 2002-07-16
Classification: B60R

Abstract:
An airbag apparatus comprising:a high rigidity base member including: a base portion to which an inflator which ejects gas when a vehicle rapidly decelerates and a bag which is inflated by the gas are fixed; and a base-side mounting leg portion which is provided at the base portion; and a pad cover formed of resin including: a top portion which houses the bag between the base portion of the base member and the top portion, and which is provided with an unfolding portion which breaks open and unfolds when an inflation pressure exerted by the bag exceeds a predetermined value; and a pad-side mounting leg portion which is affixed to the base-side mounting leg portion provided on a surface which is opposite to a vehicle occupant side of the top portion; wherein said airbag apparatus further comprises: an engagement mechanism which connects the pad-side mounting leg portion and the base-side mounting leg portions with each other, wherein said engagement mechanism is formed of engagement protrusions which are formed on one of the base-side mounting leg portion and the pad-side mounting leg portion, and engagement openings which are formed on the other of the base-side mounting leg portion and the pad-side mounting leg portion, such that the engagement protrusions can engage with engagement openings; and an obstruction mechanism which includes: spaces which are formed between the pad-side mounting leg portion and support walls provided at the pad-side mounting leg portion and; insertion portions, which are inserted into the spaces, provided on the base-side mounting leg portions, said insertion portions being mechanically separate from said engagement mechanism; such that a releasing of a connection state of the pad-side mounting leg portion and the base-side mounting leg portion by the engagement mechanism, due to an elastic deformation in an unfolding direction of the unfolding portion of the pad cover, is prevented.