| 摘要 |
An electric adapter, which includes a casing holding first and second metal contact frames for receiving the two metal blades of an electric plug being inserted into parallel insertion slots at the casing, a bottom cover covered on the casing, a rotary cap mounted in a through hole at the bottom cover, first and second metal blade respectively fastened to the rotary cap and extended out of the rotary cap for insertion into two parallel insertion slots at an electric socket, the first metal blade having a rear end axially aligned with the center of the rotary cap and connected to the first metal contact frame, the second metal blade having a rear end constantly maintained in contact with an annular locating portion at one end of the second metal contact frame upon rotary motion of the rotary cap.
|
