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Full-cutoff LED luminaire with front-pivot power door and heat sink with refractor mounting

  • US 9,423,110 B1
  • Filed: 08/29/2013
  • Issued: 08/23/2016
  • Est. Priority Date: 08/29/2013
  • Status: Active Grant
First Claim
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1. A full cutoff luminaire, comprising:

  • a housing comprising an open side and a mounting end;

    a power door coupled to the open side of the housing via a hinge at a first end of the power door and a releasable coupling feature elsewhere on the power door;

    a heat sink coupled to the first end of the power door opposite the housing,wherein the heat sink includes a top surface, a bottom surface opposite to the top surface, a heat sink body extending between the top surface and the bottom surface, and a plurality of heat sink fins extending radially outward from the heat sink body,wherein each heat sink fin extends from the top surface towards the bottom surface of the heat sink,wherein at least one heat sink fin of the plurality of heat sink fins has a hooked portion,wherein the hooked portion of the at least one heat sink fin is configured to engage a latching mechanism of a refractor or a reflector to couple the refractor or the reflector to the heat sink via the latching mechanism, andwherein the top surface of the heat sink is attached to the power door; and

    at least one light source mounted to the bottom surface of the heat sink opposite the power door via a circuit board disposed between the bottom surface of the heat sink and the at least one light source,wherein the power door swings away from the housing and mounting end, pivoting at the hinge, when the releasable coupling feature is released.

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