air bag are received over the bolts 156 in conjunction with the cover holes 166 thereafter nuts 162 are applied which retain the cover over the air bag retain the air bag through the housing and trap the inflator therebetween fig5 depicts a second alternative embodiment for a seat mounted side impact module assembly 210 including a housing 212 an inflator 214 an air bag 16 and a cover 220 in this embodiment the housing 212 has a deployment opening and a back surface with a central opening 226 in which a portion of the inflator 214 extends wherein mounted additionally a pair of mounting ears 232 and 234 are similarly used to retain the housing to a vertical seat frame member 24 alternatively opening 226 can be replaced with a deep well portion similar to that depicted in fig4 in the fig5 construction inflator 214 is constructed with integral retaining flanges 236 239 extending from either end each flange receives a mounting bolt 240 which extends through a mounting hole 242 in the bottom of the housing 212 preferably the inflator 214 is sized to snugly and sealingly fit within the bottom opening 226 of the housing to cooperate with the housing to form a semi sealed interior volume the air bag 216 of assembly 210 is similar to that depicted in fig1 4 wherein a pair of flaps 254 and 256 extend from the air bag about an inflation opening each flap has a pair of mounting holes 258 that in conjunction with corresponding mounting holes 260 in the cover 220 are received over each bolt 240 thereby trapping a.