Patent ID: 7621510
Filing Date: 2009-11-24
Classification: E04H,Y10S

Abstract:
1. A barrier comprising: a plurality of rails disposed in spaced and parallel relationship, including at least an upper rail and a lower rail, each rail comprising: a plurality of upright members, each upright member extending in transverse relationship to the plural rails, with a mechanical connection formed between each upright member and each rail at one of said tabs; in which the web of the lower rail is characterized by a plurality of longitudinally spaced openings formed therein, and in which each such opening clearingly receives one of said upright members, in which the web of the upper rail is characterized by no openings of sufficient size to receive one of said upright members, in which each tab of the upper rail depends into the rail channel from a bracket secured therein, in which the bracket is secured to at least one of said side walls of the upper rail by a weld, and in which the weld is formed at a projection in the surface of the side wall.