Fixation structure of a vehicular antenna apparatus

摘要

Disclosed is a fixation structure of an antenna apparatus including a base member in which a nut portion is formed, a fixation member which is inserted in the fixation opening and has a shape that can contact with a periphery of the fixation opening when the antenna apparatus is attached to the mounting surface and a bolt which is screwed into the nut portion in a state where the bolt is inserted into the fixation member, and the bolt is screwed into the nut portion to hold and fix the mounting surface by the base member and the fixation member after the fixation member and the bolt are inserted into the fixation opening and the fixation member is rotated for a predetermined angle, the bolt being a shaft center, the fixation member comprises a rotation inhibiting unit which is formed facing the base member, and the base member comprises an engaging hole by which the rotation inhibiting unit is engaged when the bolt is screwed into the nut portion.