Entrance construction

Claim 1

IN A DOOR CONSTRUCTION, A FRAME DEFINING A DOOR OPENING, A DOOR ASSEMBLY PIVOTALLY MOUNTED ON SAID FRAME IN SAID OPENING AND INCLUDING AN UPPER HORIZONTAL SASH MEMBER, A LOWER HORIZONTAL SASH MEMBER AND SPACED VERTICAL SASH MEMBERS SECURED TO SAID UPPER AND LOWER SASH MEMBERS, ALL OF SAID SASH MEMBERS BEING FORMED OF A RELATIVELY THIN GAUGE METALLIC MATERIAL IN A HOLLOW CONSTRUCTION, THE THIN GAUGE MATERIAL BEING ROLLED TO THE HOLLOW CONSTRUCTION AND THE EDGES THEREOF BEING JOINED ON AN INNER SURFACE IN AN INTERCONNECTING LOCK SEAM, AND A PLURALITY OF METALLIC CORNER CLIPS LOCATED AT THE CORNERS OF SAID DOOR ASSEMBLY AND INTERIORLY OF SAID HORIZONTAL AND VERTICAL SASH MEMBERS FOR SECURING SAID HORIZONTAL SASH MEMBERS TO SAID VERTICAL SASH MEMBERS, EACH OF SAID CORNER CLIPS INCLUDING LEG PORTIONS THAT ARE SECURED TO ADJACENT SURFACES OF SAID HORIZONTAL AND VERTICAL SASH MEMBERS, EACH OF SAID LEG PORTIONS HAVING A GENERALLY ARCUATE CONFIGURATION FOR ACCOMMODATING THE LOCK SEAM FORMED ON THE SASH MEMBERS TO WHICH EACH CORNER CLIP IS SECURED, SAID FRAME INCLUDING AN UPPER HORIZONTAL FRAME MEMBER, A LOWER HORIZONTAL FRAME MEMBER AND OPPOSED VERTICAL FRAME MEMBERS THAT ARE SECURED TO SAID UPPER AND LOWER FRAME MEMBERS TO DEFINE THE DOOR OPENING, EACH OF SAID FRAME MEMBERS BEING FORMED OF A RELATIVELY THIN GAUGE METALLIC MATERIAL AND BEING ROLLED TO DEFINE A HOLLOW CONSTRUCTION, THE INNER EDGES OF EACH OF SAID FRAME MEMBERS BEING INTERLOCKED TO FORM A LOCK SEAM, AND A PLURALITY OF CLIP MEMBERS LOCATED AT THE CORNERS OF SAID FRAME AND BEING SECURED INTERIORLY OF SAID HORIZONTAL FRAME MEMBERS, BOLTS EXTENDING THROUGH SAID CLIP MEMBERS FOR SECURING SAID VERTICAL FRAME MEMBERS TO SAID HORIZONTAL FRAME MEMBERS, EACH OF SAID CLIP MEMBERS INCLUDING SPACED HORIZONTAL FLANGES, ONE OF WHICH IS CUT OUT FOR ACCOMMODATING THE LOCK SEAM FORMED ON THE HORIZONTAL FRAME MEMBER TO WHICH EACH CLIP MEMBER IS SECURED.