Patent ID: 7178969

Claim:
A lamp holder comprising: a lamp socket body of insulating material having an open first end, a closed second end and a sidewall, wherein the open first end, the closed second end and the sidewall form a first cavity; a conductive sleeve disposed within at least a portion of the first cavity, wherein the conductive sleeve includes a top portion, a central portion and a bottom portion, wherein at least one portion of the conductive sleeve is at least partially threaded for receiving an associated lamp having an extension and a central button contact secured to a distal end of the extension, and the conductive sleeve is adapted to be connected to one side of an AC voltage supply; a second cavity formed by a stationary hub in the lamp socket body adjacent the closed second end and communicating with said first cavity to solely receive at least a portion of the extension and the central button contact of the associated lamp; a vertically mounted contact, the contact having a first end and a second, free end extending substantially vertically from the first end and into the second cavity to engage the central button contact of the associated lamp, wherein the contact is adapted to be connected to a second side of the AC voltage supply; a recess in the interior of the second closed end communicating with the second cavity; and a spring having a first end and a second end, the first end in the recess and the second end engaging the second, free end of the contact to urge the contact second end into intimate contact with the central button contact of the associated lamp in the second cavity.