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Submersible high intensity lamp

  • US 4,450,511 A
  • Filed: 04/13/1982
  • Issued: 05/22/1984
  • Est. Priority Date: 04/13/1982
  • Status: Expired due to Fees
First Claim
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1. A water submersible, hermetically sealed light fixture comprising a light bulb housing having formed therein an interior concave light reflective surface, a support for a light socket mounted on said housing beneath said reflective surface, said support being adapted for sealing engagement with said housing, an elongate high temperature operation light bulb replaceably set in said light socket which is secured to said support, said housing having an aperture at the base of said reflective surface and aligned with said light socket, a transparent cover for the open end of said housing which is sealingly mounted on said housing, said elongate light bulb extending through said aperture into the spaced defined by said reflective surface, the longitudinal axis of said bulb being coincident with the major axis of said concave surface, said housing being in direct contact with the water when in use to cool and maintain said concave light reflective surface as exposed to high temperature produced by said light bulb during operation, said light fixture being adapted to provide different degrees of focused light according to length of said light bulb and positioning of said light socket relative to said concave reflective surface.

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