US 5,330,223 A · Air bag cover having reinforcing ribs

Abstract

A pad for an air bag apparatus is provided which assures that a part of the pad between a breakage portion and a side wall portion is not scattered away in pieces when the air bag expands. The pad includes an upper wall portion and side wall portions extending downward from the periphery of the upper wall portion. Cover portions adapted to be opened upon breakage of a breakage portion at the time of expansion of the air bag are formed over the upper wall portion. A predetermined number of vertically extending triangular plate-shaped ribs are integrally molded with the upper wall portion and the side wall portions along the periphery of the breakage portion and extend from the side wall portions to the breakage portion.

Claims10

Dependent claims

An air bag apparatus comprising:

a bag holder;
an air bag disposed in a deflated condition on said bag holder;
a pad member including an upper wall portion surrounding a periphery of the air bag and side wall portions extending downward from a periphery of said upper wall portion and coupled to said bag holder, said upper wall portion including cover portions adapted to be opened upon breakage of a breakage portion of the upper wall portion when the air bag is inflated and expanded;
and
a plurality of vertically extending plate-shaped ribs integrally formed with said upper wall portion and said side wall portions along a periphery of said breakage portion, said ribs extending from said side wall portions to said breakage portion below a lower surface of said upper wall portion.

2 more elements

Dependencies are inferred from the claim text.

Air bag cover having reinforcing ribs

Life of this patent

Air bag cover having reinforcing ribs

Life of this patent

Abstract

Claims10