| 摘要 |
A vehicle-mounted unit (2) has two brackets (21) and (22) with bolt through-holes (23). The vehicle-mounted unit (2) is installed on an interior of a vehicle body by inserting stud bolts (3) into the bolt through-holes (23) and screwing hexagonal nuts (4) onto the stud bolts (3). Each of the brackets (21) and (22) has a slide passage (25) that extends from an outer periphery of the bracket to the bolt through-hole (23) to laterally guide the stud bolt (3). Each slide passage (25) is formed so that the vehicle-mounted unit (2) can detachably slide on each stud bolt (3) in a direction perpendicular to an axis of the bolt (3).
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