Patent ID: 6939180

Claim:
A receptacle for extension cord, comprising: a housing being provided on at least one side with a plurality of axially spaced slot pairs and an opening located in front of said slot pairs, and on an inner surface of that side having said slot pairs with a plurality of axially extended channels corresponding to said slot pairs; a set of metal conducting strips consisting of at least a first metal conducting strip and a second metal conducting strip separately seated in said axial channels on said housing; said first and second metal conducting strips being provided between respective two ends with a plurality of clampers corresponding to said slot pairs on said housing, and said first metal conducting strip being directly connected to a first core wire of a power cord connected to a front end of said housing; and a control unit consisting of a key, a conducting link strip, and a conducting spring strip; said key being pivotally turnably mounted in said opening on said housing in front of said slot pairs, and being provided at an inner side with a projection having a slit; said conducting link strip having a rear portion seated in said slit on said key and having a slit formed near a free end thereof, and a front portion fixedly located at a predetermined position in front of said opening on said housing with a free end thereof connected to a second core wire of said power cord; and said conducting spring strip being a curved strip having a front end provided with a slit adapted to engage with said slit on said rear portion of said conducting link strip, and a rear end rotatably connected to a predetermined position behind said opening on said housing.