Patent ID: 7132793

Claim:
A filament assembly for a twinkling bulb comprising: a first magnesium-plated filament having a top end; a second magnesium-plated filament spaced from and parallel to the first magnesium-plated filament and having a top end; a stop section formed on the second magnesium-plated filament and having a support section formed on the second magnesium-plated filament and having a right end; a curved section formed on the second magnesium-plated filament, connected to the support section and having a right end connected to the right end of the support section; a contact point defined on the right ends respectively of the support section and the curved section; and a flexible metal tongue mounted on the second magnesium-plated filament, located above the stop section, curved to and corresponding to the curved section and having a fixed end attached to the second magnesium-plated filaments; and a distal end separate from the first magnesium-plated filament; a glass bead mounted to the first and second magnesium-plated filaments below the stop section and keeping the first and second magnesium-plated filaments upright and separate from each other; a fuse mounted around the first and second magnesium filaments between the stop section and the glass bead; and a tungsten filament mounted between the top ends respectively of the first and second magnesium-plated filaments.