Patent ID: 7182503

Claim:
An alignment of sockets enabling to engage with a large number of Christmas lamps comprising: a hollow interior rectangular seat having a plurality of protruding circular openings arranged on top and communicating to the hollow interior, lateral walls extending downward forming an opened bottom, a pair of first semi-circular grooves spacedly formed in the bottom and a slender slot in one of lateral walls along the length thereof; an elongate copper plate disposed into the slender slot of said seat along the length thereof, having a tip end and a contact end engaged a lead-in wire of a rearmost lamp; a plurality of lamps, respective engaged within said protruding circular openings, each lamp having a base, a bulb in top and a pair of lead-in wires respectively attached to lateral sides of said base; a plurality of inverse U-shaped copper plates pressed into gaps between each pair of adjacent lamps having their lateral portions engaged with one of the lead-in wires, wherein a foremost inverse U-shaped plate has a tip on a lower end of an outer lateral portion; an elongate cover covering the opened bottom of said hollow interior seat in a snap fitting manner having a pair of second semi-circular grooves engaged with said first semi-circular grooves respectively, a U-shaped projection positioned between the pair of second semi-circular grooves and a plurality of rectangular projections spacedly positioned along the length thereof and respectively inserted into said inverse U-shaped copper plates; a pair of electric wires disposed in said first semi-circular grooves pierced by the tip end of said elongate copper plate and the tip of the foremost inverse U-shaped copper plate respectively; whereby, an electric circuit is established within the alignment of sockets to light up said Christmas lamps.