SIMPLIFIED RELATIVELY HEAVY DUTY RAILING CONSTRUCTION

摘要

Relatively heavy duty aluminum top and base rail extrusions are disclosed for railing constructions. Each extrusion includes an intermediate top portion and a pair of spaced and downwardly extending first and second side flanges. A pair of vertically spaced and inwardly extending rib-like jaws having internal serrated gripping teeth are continuously formed during the extrusion process on the first side flanges. and a plurality of openings are formed in the second side flanges diametrically opposed to the teeth of the first side flanges. Pickets are pivoted to the rails at their upper and lower ends by bolts extending through the pickets from the openings in the second side flanges into the teeth on the first side flanges.