Patent ID: 6575781
Filing Date: 2003-06-10
Classification: H01R,H02G

Abstract:
A power supply apparatus comprising an upper housing, a low housing, an AC inlet for accepting an AC power supply, a circuit board for converting said AC power supply into a DC power supply, a power cord for transferring said DC power supply to an electrical appliance, and a power cord securing device, characterized in that said power cord securing device comprising:a first sleeve having a first end connected to said upper housing; a rotatable plate having a first projecting ring extending from a first surface thereof and a second sleeve and a second projecting ring extending from an second surface thereof, wherein said second sleeve has a hollow region and said first sleeve penetrates through said hollow region; and a resilience element having a first terminal connected to said second sleeve and a second terminal connected to said second projecting ring; wherein one end of said power cord is electrically connected with said circuit board, a portion of said power cord is wound around said first projecting ring, and the other end of said power cord is disposed outside said upper housing, wherein when said power cord is stretched, said rotatable plate is forced to rotate in a first direction and allow said resilience element to result in a counterforce, and when said counterforce is relieved, said rotatable plate rotates in a second direction opposite to said first direction.