Electric lamp assembly with threaded base portion

Details Electric lamp assembly with threaded base portion Electric lamp assembly with threaded base portion

1994-10-03

1997-02-04

Patel, Nimeshkumar

Electric lamp and discharge devices

With envelope

Having base and connector

313 25, 31331804, 31331809, H01J 550

Patent

active

056001983

ABSTRACT:
There is disclosed an electric lamp assembly with a threaded base, the assembly including a lamp envelope, a threaded base, and a light source. The electric lamp with threaded base includes portions of the threaded base positioned in concavities formed on a tubular end of the lamp envelope. No melt junction, and no glues are needed in coupling the envelope and base. The coupling is strong enough to resist decoupling by hand and grows stronger with time.

REFERENCES:
patent: 2014220 (1935-09-01), Asmussen
patent: 3534217 (1970-10-01), Vause et al.
patent: 4405877 (1983-09-01), Haraden et al.
patent: 4647809 (1987-03-01), Blaisdell et al.
patent: 5308273 (1994-05-01), Meade et al.

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