An AC adapter having a dual-bodied plug that can be rotated by 90 degrees relative to the adapter case so that the plug can be stored in the case when the adapter is not used and drawn out of the case when the adapter is in use. In an illustrated embodiment, the bearing also includes a base configured to apply a spring force to an end surface of the armature shaft, and a connecting portion located between the body portion and the base. The device also includes a packetizer adapted to packetize some or all of the data into secure and scalable data packets. The upper end of a center pillar reinforcing member inside the center pillar stiffener is joined to an end of a corner gusset at a position below the grooves, the other end of the corner gusset being connected to the roof arch.