Lamp base inner shell

Details Lamp base inner shell Lamp base inner shell

1992-11-24

1995-01-17

Yusko, Donald J.

Electric lamp and discharge devices

With envelope

Having base and connector

313567, 439612, 439615, H01J 550

Patent

active

053828690

ABSTRACT:
A lamp base inner shell including a washer-like base having a cylindrically wall attached at a first end to an outer periphery of the base. The cylindrical wall includes a threaded portion and a plurality of cut-out portions in a second end thereof which define an equal number of tabs, each tab having an indentation extending inwardly. At least one cut-out portion extends to the inner shell base. The inner shell is used to electrically connect and secure a lamp base shell to a lamp tube. The inner shell facilitates automated production of high intensity arc discharge lamps.

REFERENCES:
patent: 2848643 (1958-08-01), Spataro
patent: 4121134 (1978-10-01), Fontenelle

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