Patent ID: 7740274

Claim:
An airbag vent comprising: a membrane covering an opening in an airbag, the membrane is configured to prevent gas from substantially exiting the airbag before an occupant impacts the airbag; a membrane support member connecting the membrane to the airbag, wherein the membrane support member is adapted to elongate as a pressure in the airbag increases, the membrane support member being configured to elongate an amount based in part on a shape of the membrane support member and the pressure in the airbag; and a diaphragm connected to the airbag fabric by a support member, wherein the support member is adapted to elongate as the pressure in the airbag increases and is adapted to cause the diaphragm to contract to allow gas to be released from the airbag, wherein the membrane is adapted to move to an open position when the membrane support member elongates as the pressure in the airbag increases to allow gas to be released from the airbag, wherein the membrane at the open position is configured to remain connected to the membrane support member.