Patent ID: 6945804

Claim:
A single socket containing two lamps toward opposite directions comprising: a tubular socket having a rimmed upper portion, a rimmed lower portion, a longitudinal lateral opening in which is an introrse plate, a pair of first wire grooves in a center, a pair of flat surfaces above and beneath said wire grooves, a pair of separated insertion slits and a single insertion slit respectively formed in lateral sides of said flat surfaces each having a transverse retaining slot and a retaining edge and a pair of first retaining recesses respectively formed through a peripheral wall of the upper and lower portions of said socket adjacent their rims thereof; a pair of first contact plates respectively engaged within the separated insertion slits each having a tip at inner end and a common contact plate engaged within the single insertion slit through the upper and lower portions of said socket; a pair of electric wires parallel disposed within the first wire grooves of said socket and pierced by the tips of said first contact plates respectively; a covering plate closed the longitudinal lateral opening of said socket having on inner side a pair of second wire grooves on a center engaged with said first wire grooves, two pairs of hooked plates spacedly formed above and beneath said second wire grooves and a pair of second retaining recesses respectively formed adjacent upper and lower ends thereof made in registry with the first retaining recesses of said socket; a pair of lamps inserted into the rim of the upper and lower portions of said socket each having a base, a bulb, a pair of lead-in wires respectively engaged with one of said first contact plates and said common plate and a pair of protrusions formed on opposing outer peripheries of the base and respectively engaged with the first retaining recesses of said socket and the second retaining recesses of said covering plate; a pair of retaining rings respectively sleeved the upper and lower portions of said socket each having a pair of protrusions respectively formed on opposing inner peripheries thereof engaged within outer end of the first retaining recesses of said socket and the second retaining recesses of said covering plate respectively.