Patent ID: 7178825

Claim:
A vehicle airbag door comprising a door section that is provided at a panel main body and is opened by the activation of an airbag device, wherein the airbag door further comprises a back-up member provided on the bottom side of the panel main body, wherein the back-up member comprises: a back-up section having a shooting aperture through which an airbag expands into a cabin; a plate section located within the shooting aperture; and a hinge section through which the back-up section and the plate section are integrally connected, wherein the back-up section, the plate section and the hinge section are integrally formed, wherein a gap is formed between an outer edge of the shooting aperture and the plate section, wherein the back-up section is welded to the bottom face of the panel main body at a portion thereof located around and outwardly of the door section, wherein the plate section is welded to the bottom face of the door section, wherein the back-up section is provided with a concave that is recessed away from the door section with the concave being adjacent to the hinge section, wherein the hinge section comprises: a first curved portion in which one end of the first curved portion is integrally connected to the back-up section, and a midsection of the first curved portion is curved so as to protrude toward the door section; and a second curved portion in which one end of the second curved portion is integrally connected to the other end of the first curved portion, the other end of the second curved portion is integrally connected to the plate section, and a midsection of the second curved portion is curved so as to protrude away from the door section, wherein when the door section is opened, the first and second curved portions of the hinge section are each extended and then the plate section is pivoted around its junction with the second curved portion, and wherein a rupturable groove that is provided on the bottom side of the panel main body, and is ruptured during deployment of the air bag, faces the back-up section.