Metal roofing structure

Claim 1

IN A METAL ROOFING STRUCTURE COMPRISING A PLURALITY OF FLAT METAL ROOF SHEETS HAVING TWO UPSTANDING OPPOSITE SIDE EDGES, AND A SIDE CONNECTOR HAVING AN UPSTANDING WEB POSITIONED BETWEEN ADJACENT UPSTANDING SIDE EDGES OF ADJOINING SHEETS, THE CONNECTOR WEB BEING PROVIDED AT ITS TOP EDGES WITH OPPOSITELY EXTENDING LATERAL FLANGES FOLDED DOWNWARDLY OVER THE UPSTANDING SHEET SIDE EDGES TO HOLD THEM ADJACENT OPPOSITE SIDES OF THE WEB, THE IMPROVEMENT WHICH COMPRISES AN END CONNECTION FOR ADJACENT ENDS OF THE SHEETS CONSISTING ESSENTIALLY OF A SUBSTANTIALLY UPSTANDING END FLANGE STRUCK UP FROM AN END OF EACH SHEET TO A HEIGHT SUBSTANTIALLY THE SAME AS THAT OF THE UPSTANDING WEB OF THE SIDE CONNECTOR AND A TOP FLANGE EXTENDING OUTWARDLY FROM THE TOP EDGE OF THE END FLANGE OVER AND SUBSTANTIALLY PARALLEL TO THE PLANE OF THE END PORTION OF THE SHEET, AND AN END CONNECTOR HAVING A SHEET-LIKE BODY PORTION EXTENDING OVER THE TOP FLANGES OF ADJACENT END PORTIONS OF THE ROOF SHEETS, THE ENDS OF THE CONNECTOR BODY PORTION HAVING DOWNWARDLY AND INWARDLY FOLDED END FLANGES POSITIONED TO UNDERLIE THE TOP FLANGES OF ADJACENT END PORTIONS OF THE ROOF SHEETS.