Patent attributes
A housing structure of an airbag includes: an airbag housing body having an airbag therein and vent holes formed therein; a partitioning plate installed to the airbag housing body and rotatable in an inward or an outward direction of the vent hole; a cover plate provided inside a slot hole formed along the width of the airbag housing body, and has a size large enough to be able to cover perforated regions of the vent holes and; a diffuser in which the first end is fixed to an outer end portion of the airbag housing body and extends along the inner surface of the airbag housing body and the second end of the diffuser being connected to the cover plate, thereby allowing gas to be generated in an inflator to push the cover plate forward.