US Patent 7374198 Airbag module canister

An airbag module comprising an improved canister, retainer assembly and method of attaching the airbag module to the vehicle is disclosed. The canister includes snap-on end caps, which assemble onto the center section of the canister. A retention mechanism provides the snap-on capability, while a lap joint provides extra security to ensure the end caps remain on the center section during assembly and initiation of the inflator secured within the canister.