US Patent 7665758 Airbag cover, instrument panel, and airbag apparatus

An airbag cover includes an airbag cover main body extending along a surface that faces a front passenger in a vehicle for covering a passenger airbag, a tear line provided at the airbag cover main body for splitting the airbag cover, and a deployment door provided at the airbag cover main body and defined by the tear line. The deployment door is split and deployed along the tear line by pressure of a deployment and inflation load of the passenger airbag. A low-rigidity region and a high-rigidity region are provided at the deployment door to provide different flexural rigidities.