Patent attributes
An attachment device for attaching an electronic device to a vehicle structure includes a base attached to the vehicle structure for supporting the electronic device, and a cover attached to the base by a first engagement portion and a second engagement portion. The first engagement portion includes an engagement concave formed in one of the base and the cover, and an engagement piece formed in the other of the base and the cover and inserting into the engagement concave. The engagement concave includes a first wall and a second wall facing each other in a first direction and opening toward a second direction perpendicular to the first direction. The engagement piece includes a first portion abutting against one of the first wall and the second wall, and a second portion extending from the first portion and abutting against the other of the first wall and the second wall.