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Airport lighting unit

  • US 5,414,603 A
  • Filed: 06/14/1993
  • Issued: 05/09/1995
  • Est. Priority Date: 11/06/1990
  • Status: Expired due to Fees
First Claim
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1. A lighting unit for airports comprising a base unit adapted to be secured at ground level and a demountable module releasably connected to the base unit, the base unit including first electrical contact members and the demountable module including a lamp communicating with two oppositely disposed and upwardly inclined cavities each defining a light emitting path and second electrical contact members for mating with said first electrical contact members when the module is located in position in the base unit, each cavity including a bi-convex lens and a prism lens, and a lamp holder for supporting the lamp, the lamp holder being translucent so that a small amount of light or a glow is visible from the top of the unit to indicate to an observer at a remote point when it is alight.

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