AIRBAG RESTRAINT UNIT AND METHOD OF PRODUCING SAME

摘要

An airbag restraint unit for a front seat passenger aside a driver in an automotive vehicle. The airbag restraint unit comprising a casing (13) having upper and lower chambers. An inflator for ejecting gas is disposed in the lower chamber (27) of the casing. An airbag (17) is disposed in the upper chamber (26) of the casing to inflate and deploy upon being supplied with gas from the inflator. A mid-retainer(16) is disposed in the casing (14) and located between the inflator and the airbag. The casing includes a first engagement section (31) having opposite first and second engagement surfaces which are inclined to gradually approach in a direction toward the airbag. First and second installation holes (32) are formed respectively at the first and second engagement surfaces of the casing. The mid-retainer (16) includes a second engagement section (52) having opposite first and second engagement surfaces which are engaged respectively with the first and second engagement surfaces of the first engagement section (31) of the casing. First and second fastening members (61) are formed projecting respectively from the first and second engagement surfaces of the second engagement section (52) of the mid-retainer. The first and second fastening members (61) of the mid-retainer are inserted respectively into the first and second installation (32) holes of the casing.