作者: Scott D. Usher
DOI:
关键词: Lighting system 、 Rotation 、 Structural engineering 、 Coupling 、 Mechanical engineering 、 Engineering
摘要: A lighting system includes a plurality of elongate tubular members joined together in selected array, each member carrying lamp assemblies therein and aimed laterally through apertures the wall member, being captured within by coupling means enabling rotation for aiming purposes selective insertion withdrawal corresponding removal replacement expended lamps.