System for attaching a filament to a current lead-in

Details System for attaching a filament to a current lead-in System for attaching a filament to a current lead-in

2006-03-14

2006-03-14

Williams, Joseph L. (Department: 2879)

Electric lamp and discharge devices

With gas or vapor

Incandescent filament lamp

C313S315000, C313S316000

Reexamination Certificate

active

07012369

ABSTRACT:
A filament assembly employs one set of primary filament coils (200) disposed in a spiral around one axis of revolution (220) is connected to one set of secondary filament coils (202) by a spacer (205) including at least two coils (205aand205b) connected to the primary filament coils (200) and the secondary filament coils (202). The coils (205aand205b) establish at least two attachment points for attachment of the spacer (205) to a hook (207a) of a metal current supply rod (207).

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