Swinging door and hardware for mounting the same

Claim 1

IN COMBINATION, A DOORWAY FRAME INCLUDING FLOOR AND CEILING SURFACES DEFINING A BOTTOM AND TOP OF A DOORWAY, A DOOR FOR CLOSING THE DOORWAY, AND MOUNTING MEANS ADJACENT TOP AND BOTTOM CORNERS OF ONE SIDE EDGE OF THE DOOR FOR PIVOTALLY MOUNTING THE DOOR TO THE DOORWAY FRAME FOR SWINGING MOVEMENT RELATIVE TO THE DOORWAY, THE MOUNTING MEANS INCLUDING AN UPPER PIVOT HINGE HAVING FIRST AND SECOND HINGE LEAVES FIXED ON THE TOP EDGE OF THE DOOR AND THE CEILING SURFACES RESPECTIVELY, THE FIRST HINGE LEAF HAVING A LUG OUTWARDLY DISPOSED FROM THE PLANE OF THE DOOR, THE SECOND HINGE LEAF LYING FLAT AGAINST THE CEILING SURFACE IN DIRECT ABUTTING ENGAGEMENT THEREWITH AND HAVING A VERTICAL PIVOT PIN FREELY EXTENDING DOWNWARDLY THROUGH AN OPENING FORMED IN THE LUG OF THE FIRST HINGE LEAF FOR ACCOMMODATING VARIATIONS IN THE HEIGHT OF THE DOORWAY RELATIVE TO THE DOOR, THE PIVOT PIN HAVING A LOWER PROJECTING END POSITIONED BELOW THE FIRST HINGE LEAF IN UNDERLYING RELATION THERETO PROVIDING A DETACHABLE PIVOT CONNECTION FOR THE FIRST AND SECOND HINGE LEAVES FACILITATING INSTALLATION AND REMOVAL OF A FLOOR TO CEILING DOOR.