Patent ID: 8517755

Claim:
A power plug locking device that prevents unauthorized removal of a power plug from an inlet, the power plug locking device comprising: a lock member arranged in the inlet, wherein the lock member is engageable with the power plug when the power plug is connected to the inlet; an operation unit that moves the lock member to at least one of a lock position and an unlock position; a link mechanism that couples the operation unit and the lock member; a lock mechanism that transmits an operation force of the operation unit with the link mechanism to the lock member when the operation unit is operated to move the lock member to the lock position or the unlock position; a position holding unit that holds the lock member at the lock position or the unlock position; a device body that accommodates the lock mechanism; a drive unit that drives the position holding unit to release the lock member from the position holding unit, wherein the drive unit is discrete from the device body.