Lighting system

A lighting assembly for directing a high illumination level light outputs onto at least one specifically defined task area or site to be illuminated, said lighting assembly comprising first and second light systems, said first light system comprising a first lighthead, together with a first light source module remote from said first lighthead, and a first elongated light piping member, said first light piping member comprising an elongated sheath containing a single large diameter light transmitting strand or a bundle of light transmitting strands of lesser diameter, said first light piping member having first and second ends, said first light source module and said first lighthead being interconnected by said first light piping member, said first light source module having a light source and means for focusing light from said source onto said first end of said first light piping member, and means in said first lighthead to collect, control and direct light from said second end of said first light piping member onto said at least one site, a second substantially identical lighting system comprising a second lighthead, a second light source module remote from said second lighthead and a second elongated light piping member, a ceiling, a ceiling mounted support means maintaining said first and second lightheads in a plurality of adjusted positions and at a plurality of adjusted angularities, said first and second light source modules and said first and second light piping members being contained within said support means, said support means comprising a ceiling mount affixed to said ceiling, a vertical shaft non-rotatively supported by said ceiling mount and depending downwardly therefrom, first and second horizontal hollow arms affixed to said shaft for rotation thereabout, said first arm located above said second arm and being longer than said second arm, a pair of rails located within each of said first and second arms and extending longitudinally thereof, a wheeled carriage for each of said first and second arms, each of said carriages being mounted on said rails of its respective arm for movement therealong, said first and second light source modules being mounted on said carriages of said first and second arms respectively, each of said arms having a bottom surface with an elongated longitudinal slot formed therein, a vertical support assembly rotatably affixed to each of said carriages and depending downwardly therefrom through said slot in its respective one of said horizontal arms, each vertical support assembly terminating in a joint assembly, each joint assembly comprising first and second joint members, a pivot pin pivotally joining said first and second joint members together, and means for releasably locking said second joint member in a plurality of angular positions with respect to said first joint member, said first joint member of each joint assembly being affixed to one of said vertical support assemblies, each of said first and second lightheads being affixed to its respective one of said second joint members, each of said light piping members being rotatable with respect to its respective light source module and extending through its respective vertical support assembly and its respective joint assembly.