Patent ID: 7175308

Claim:
A structure of combined socket of Christmas light comprising: a pair of first and second sockets integrated together and each having an upper rim and a opened bottom, wherein the upper rim of said second socket being positioned at a middle periphery of said first socket to form a stepped configuration, a pair of hooks symmetrically formed on opposing outer peripheries of said second socket abutting the upper rim thereof each including a hindering plate facing an opening of said hooks to defined a gap therebetween, said sockets each having a single inlaid groove in an inner periphery and a common inlaid groove which are connected by a transverse groove and a common slit formed between lower portion of said sockets and communicating with said common groove; a two bends common contact plate inserted upward into said common inlaid groove via said slit and having a pair of stopped ends respectively engaged with said first and second grooves; a pair of electric wires which may be held by said hooks each connecting a contact plate inserted into the opened bottom of said sockets and engaged within said single inlaid grooves respectively; a pair of corkers respectively blocking the opened bottom of said sockets and each having a through hole for permitting said electric wires passing through; a pair of first and second lamps respectively engaged into the upper rim of said sockets each having a base, a bulb and a pair of lead-in wires attached to lateral sides of said base and respectively engaged with said common contact plate and the contact plates of said electric wires, wherein said second lamp further having a pair of L-shaped blocking member on opposing outer peripheries of said base for blocking the gaps between said hooks and said hindering plates.