US Patent 7966686 Support structure for car wash components

A single column or multiple column support structure for car wash installations. Each column is a hollow aluminum extrusion having a cross-section defining a smooth rounded figure such as an oval and a pair of longitudinally continuous external channels formed in opposite sides of the column to provide routes for wires and hoses. Snap in plastic covers are associated with the channels. Interior channels received fastener inserts for assembling the columns to base plates, top plates, cross-bridges and the like. Two or more columns may be assembled in parallel spaced relationship with spacers therebetween.