Lens mounting and seal for illuminated apparatus

Details Lens mounting and seal for illuminated apparatus Lens mounting and seal for illuminated apparatus

1990-03-22

1990-10-30

Dority, Carroll B.

Illumination

Light source and modifier

With sealing means or artificial atmosphere

362240, 362293, 362369, 362390, F21V 2900

Patent

active

049673297

ABSTRACT:
An annunciator panel for aircraft has a plurality of pockets defining individual illuminated indicator devices. A lens assembly comprising a plastic lens and glass filters bonded together is encompassed by an elastically stretched rubber sleeve having an integral flange compressed between the lens body and panel housing, providing a light, fluid and particulate seal between lens and housing as well as a vibration and shock buffer to the lens and filters. The resiliency of the rubber sleeve accommodates different thermal expansion between dissimilar materials without imparting damage stresses to the lens assembly.

REFERENCES:
patent: 2686868 (1954-08-01), Diedring
patent: 2786129 (1957-03-01), Mears
patent: 4523263 (1985-06-01), Poyer

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