Patent ID: 7074060

Claim:
A power plug, comprising: a fixed unit at which prongs inserted into a receptacle are fixed and a connection terminal connected to the prongs is installed at the upper surface thereof; a rotational unit rotationally arranged on the upper surface of the fixed unit and having an input terminal connected to a power supply line at the bottom surface; a hinge shaft fixed to the fixed unit, penetrating the rotational unit and supporting the rotational unit rotationally; an elastic member installed at the outer circumference of the hinge shaft to provide an elastic force for making the connection terminal and the input terminal maintain a contact state; a power on/off means formed between the fixed unit and the rotational unit to transmit or cut off power supply to a load device according to rotation of the rotational unit; and a locking means installed at the upper portion of the rotational unit to lock the rotation of the rotational unit.