Structural members for mounting and guiding sliding doors

Claim 1

A structural member for mounting and guiding sliding doors for a building structure comprising: an integral extrusion profile having opposed, linear runner and guide rails arranged vertically with the guide rail disposed above the runner rail, said extrusion including an integrally formed hollow box section disposed between the runner and guide rails for increasing the torsional and structural rigidity of said extrusion, said extrusion profile includes a recess for accommodating a lower part of a fanlight, said extrusion profile having an upwardly projecting trapozoidal portion adjacent said upper guide rail having a horizontal slot; a horizontal member having an inclined ''''L'''' shaped end with a horizontal part snuggly engaged in said slot; an L-shaped carriage having one arm pivotably coupled to said rollers, said carriage having at least one oblong hole for adjustable receiving at least one guide roller so that said guide roller is vertically adjustable between said opposed rails; runner and guide rollers being pivotably mounted to said carriage, and said carriage comprising fastening screw means for supporting the door vertically below the rollers, said fastening screw means being adjustable with respect to said carriage so as to permit the height of the door to be adjustable; said runner and guide rollers engaging the runner and guide rails respectively, said rollers having a concave runner cross section; said hollow box section forming an opening having a vertical depending lowermost portion extending below said runner rails, and said L-shaped carriage to form a connice with the door, and including adjacent said lowermost vertically depending opening portion a thIckened corner portion having a groove and a sealing ledge disposed in said groove for slidably contacting and sealing the space between the door and the box section.