Patent ID: 7771109

Claim:
A lamp for a light string comprising: a socket being hollow and having a top, a bottom, an outer surface, an inner surface and an opening being formed through the top of the socket; multiple electric cords being mounted in the socket and protruding from the bottom of the socket, and each electric cord having a top and an electrode mounted in the electric cord and protruding through the top of the electric cord; an insulating partition being mounted in the socket and having a top; an outer surface; a cavity being formed through the top of the insulating partition; and at least one stopper being formed in the cavity; a leaf spring being conductive and resilient, being mounted in the insulating partition, being V shaped and having an apex being held in place by the stopper so the leaf spring is mounted movably in the insulating partition; and two arms protruding through the top of the insulating partition and selectively and respectively contacting the electrodes; and a bulb assembly corresponding to and being removably plugged into the socket, protruding from the opening of the socket and having a bottom; an outer surface; a separator being formed on the bottom of the bulb assembly, corresponding to and pushing the lower end of the leaf spring into the insulating partition; and multiple wires protruding oppositely through the outer surface of the bulb assembly, corresponding to and selectively and respectively contacting the electrodes.