Lampsocket mechanism

Details Lampsocket mechanism Lampsocket mechanism

1982-02-11

1984-04-10

McGlynn, Joseph H.

Geometrical instruments

339178, H01R 1350

Patent

active

044417829

ABSTRACT:
The present invention provides a mechanism for centering the screw base of an incandescent lamp in the socket of a porcelain base having thread segments molded directly onto the inner wall of the socket. A bias contact is provided at the inner wall of the socket for centering the base of the lamp by biasing it in two lateral planes along two planar faces, the pressures from the two faces being perpendicular to the faces and thus directed toward the axis of rotation of the screw base. Thus, the base is continuously centered, so that its center contact makes electrical contact with a centrally located bias contact mounted in a pocket formed in the center of the closed end of the socket. The bias contact and the centrally located contact are in turn connected to electrical leads which extend through the closed end of the socket.

REFERENCES:
patent: 1389343 (1921-08-01), Cuthbert et al.
patent: 1727148 (1929-09-01), White

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