Patent ID: 8079731

Claim:
A lighting apparatus, comprising: a first and a second elongate heat conductive base, each base having a surface and a longitudinal axis; a plurality of contacts supported on the surface of each base, the plurality of contacts comprising a first terminus and a second terminus, the contacts being electrically insulated relative to the associated base; at least one LED disposed on each plurality of contacts and arranged so that an electrical pathway is established from the first terminus to the second terminus through the LED; a first and a second power module, each power module configured to receive an input electric power, modify the power and supply and output electric power between the first terminus and second terminus of an associated base; each power module comprising a mount surface, the first base being attached to the first power module mount surface, the second base being attached to the second power module mount surface; each base having a second surface generally opposite the surface upon which the at least one LED is disposed, the second surface of the base being connected to the respective power module mount surface; each base being connected to the respective power module by threaded fasteners, the fasteners each having an elongate shank portion that extends through the base and into the power module, the fasteners being electrically isolated from the base, the fasteners conducting modified electric power from the power module past the base and to the first and second terminus; an elongate housing having a longitudinal axis and comprising a heat conductive material, the housing having opposing housing walls that are generally parallel to the longitudinal axis, and an opening adjacent the housing walls so that a channel is defined extending along the length of the housing parallel to the housing longitudinal axis; and an elongate spacer sized and adapted to fit slidably at least partially within the housing channel; wherein the first and second heat conductive bases are arranged in the housing so that the heat conductive base surface of each base slidably engages a housing wall generally along the length of the base in a manner so that heat from each LED is directed from the LED into the respective base and from the base surface through the housing wall and into the housing and the LED is generally aligned with the housing opening; and wherein the elongate spacer is disposed in the channel between the first and second heat conductive bases so that the first and second heat conductive bases are spaced apart from one another within the housing channel.