Patent 7614649 was granted and assigned to Takata Corporation on November, 2009 by the United States Patent and Trademark Office.
A leg airbag system in which the deployment performance of an airbag can be improved by an improvement in air tightness includes a knee airbag for restraining occupant's legs and a gas generator that generates a jet of gas to inflate the knee airbag. A housing section communicates with the knee airbag and houses the gas generator therein. A slit, provided at the housing section, allows the gas generator to be inserted into the housing section. Covers are included that cover the slit from the exterior of the housing section