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US 6,069,447 AGranted
Thermal insulating and impact resistant indicator light apparatus
AssigneeEGS Electrical Group LLC
InventorsSantosh Vilanilam, Nabil L. Mina
Life of this patent
Estimating the term…
Abstract
A housing sealed to a glass jewel forming a chamber in which is placed light emitting diodes mounted to a printed circuit board with other electrical components. The chamber is filled with a silicon elastomer which thermally insulates the glass jewel and enhances its impact resistance.
Claims6
An indicator light apparatus comprising a combination:
- a housing having an interior cavity;
- a glass dome connected in sealing engagement to said housing and forming another interior cavity wherein said housing interior cavity and said glass dome interior cavity form a chamber;
- an inner frame mounted within said chamber;
- an LED light source supported by said inner frame mounted within said chamber;
- and
- a clear elastomer having good thermal conducting properties and being generally soft and flexible for filling said chamber for dissipating heat from said LED light source and for enhancing impact resistance of said glass dome.
3 more elements
Dependencies are inferred from the claim text.