ATTACHMENT STRUCTURE FOR DRIVER SEAT AIRBAG DEVICE

An attachment structure for driver seat airbag devices that enables smoother operation of a horn switch. The attachment structure includes: an armature connected to a steering mechanism of the vehicle; and a housing that accommodates the airbag module and that is positioned with respect to the armature. The housing includes positioning pins for implementing relative positioning in XY directions with respect to the armature at a plurality of locations and first openings for implementing positioning in a Z direction at a plurality of locations. The armature is provided with a plurality of second openings through which the positioning pins of the housing are inserted and with a plurality of protrusions that are inserted through the first openings of the housing. The position of Z-direction lower edge sections of the first openings of the housing lies within a range of the depth of the second openings of the armature.