Capped electric lamp

Details Capped electric lamp Capped electric lamp

1996-10-24

1998-06-02

Patel, Nimeshkumar

Electric lamp and discharge devices

With envelope

Having base and connector

31331801, 3133181, 439611, 439613, H01J 550

Patent

active

057605378

ABSTRACT:
A capped electric lamp is disclosed having a cap of insulating material. The cap has a base provided with concentric contact faces which are separated by a circumferential channel. The shell of the cap has a first axial portion near the base, which has a circumferential groove and a diameter smaller than the diameter of a second axial portion remote from the base. A third narrowest axial portion may be present adjacent the base and a fourth axial portion between the first and the second, having an intermediate diameter. The capped lamp may be mounted in an electrically safe, slim push-in/push-out lampholder.

REFERENCES:
patent: 805131 (1905-11-01), Gerow
patent: 3885185 (1975-05-01), Tilley
patent: 3885186 (1975-05-01), Vause
patent: 5199787 (1993-04-01), King et al.
patent: 5281880 (1994-01-01), Fields et al.
patent: 5367219 (1994-11-01), Fredrichs

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