Filament assembly for a twinkling bulb

Details Filament assembly for a twinkling bulb Filament assembly for a twinkling bulb

2006-11-07

2006-11-07

Williams, Joseph (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Incandescent filament lamp

C313S578000, C315S18500S

Reexamination Certificate

active

07132793

ABSTRACT:
A filament assembly for a twinkling bulb has first and second magnesium-plated filaments, a glass bead, a fuse and a tungsten filament. The second magnesium-plated filament is parallel to the first magnesium-plated filament and has a stop section and a flexible metal tongue. The stop section is formed on the second magnesium-plated filament. The flexible metal tongue is mounted on the second magnesium-plated filament above the stop section. When the twinkling bulb is electrified, the flexible metal tongue touches the first magnesium-plated filament intermittently and causes the twinkling bulb to twinkle.

REFERENCES:
patent: 6686700 (2004-02-01), Hsu et al.

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