Knockdown lighting boxes and means for clamping the front panels thereof

摘要: A plurality of light boxes adapted to be transported and stored in a knocked-down disassembled condition readily assembled, set up connected together, with divider between adjacent front translucent panel for each box which is lit by lights within box. Each having flange, the flanges panels being held abutting relationship clamping means eliminates mullions therebetween so constructed eliminate and/or reduce shadows on at such junctures. The presenting when lighted continuous surface where dividing lines are substantially imperceptible.