Patent ID: 7241169

Claim:
An adapter for power supply comprising: a body including a top housing, a bottom housing, a common socket, and a peg module, said top housing having a lateral side formed with a first engaging slot, said bottom housing having a lateral side formed with a second engaging slot, said first and second engaging slots providing a space for said common socket to be inserted, said first and second engaging slots being formed with a peg slot; said common socket having two opposite grooves engaged with two edges of said first and second engaging slots, said common socket having two opposite grooves engaged with two edges of said first and second engaging slots; said peg module comprising a spring, a press button, an engaging element and a capped shaft, said spring being put over said capped shaft, said press button being interlinked with said engaging element as one unit, said press button extending through a hole on said top housing thereby partially exposing beyond said top housing; and a connector having a peg element aligned with said peg slot so that when said connector is plugged into said common socket, said peg element will go through said peg slot into said body to engage with said engaging element of said peg module; whereby when said press button is depressed, said spring is compressed and said engaging element moves from an engaging position to release said peg element of said connector.