Compact discharge lamp unit and method for manufacturing same

Details Compact discharge lamp unit and method for manufacturing same Compact discharge lamp unit and method for manufacturing same

1991-03-04

1992-02-04

DeMeo, Palmer C.

Electric lamp and discharge devices

With envelope

Having base and connector

313493, 313634, 439227, 439611, 445 26, H01J 6130, H01J 934

Patent

active

050862499

ABSTRACT:
A compact fluorescent lamp unit comprises a double U-shaped discharge tube having a base shell secured to one end thereof. A housing containing the necessary starting and operating circuitry includes a first portion having a standardized base and a second portion surrounding the base shell of the discharge tube. The internal surface of the second housing portion includes a plurality of flexible fingers for securing the base shell to the second portion of the housing. in a preferred embodiment, each flexible finger includes a latch for engaging the base shell. Preferably, the the internal surface of second housing portion further inlcudes a plurality of support ribs for preventing or limiting lateral movement of the base shell within the housing.

REFERENCES:
patent: 4654557 (1987-03-01), Haraden
patent: 4695767 (1987-09-01), Wittmann
patent: 4738630 (1988-04-01), Wittmann
patent: 4847531 (1989-07-01), Tsuji et al.
patent: 4862035 (1989-08-01), Cunliffe et al.
patent: 4961027 (1990-10-01), Muessli

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