Hinge

Claim 1

A HINGE COMPRISING A DIHEDRAL ANGLE JAMB LEAF HAVING A HEAD JAMB PLATE AND A HINGE JAMB PLATE POSITIVELY CONNECTED TOGETHER FORMING THE DIHEDRAL ANGLE JAMB LEAF, SAID DIHEDRAL ANGLE JAMB LEAF BEING ADAPTED FOR MOUNTING IN COMMUNICATING MORTISES OF A HEAD AND HINGE JAMB OF A DOOR FRAME, MEANS TO SECURE SAID DIHEDRAL ANGLE JAMB LEAF IN FLUSH RELATION TO THE HEAD AND HINGE JAMBS OF A DOOR FRAME, A SINGLE KNUCKLE MOUNTED ON SAID HEAD JAMB PLATE, A DIHEDRAL ANGLE DOOR LEAF HAVING A HEAD DOOR PLATE AND A HEEL DOOR PLATE POSITIVELY CONNECTED TOGETHER FORMING THE DIHEDRAL ANGLE DOOR LEAF, SAID DIHEDRAL ANGLE DOOR LEAF BEING ADAPTED FOR MOUNTING IN COMMUNICATING MORTISES IN THE HEAD END AND HEEL EDGE OF A DOOR, MEANS TO SECURE SAID DIHEDRAL ANGLE DOOR LEAF IN FLUSH RELATION TO THE HEAD END AND HEEL EDGE OF THE DOOR, A SINGLE KNUCKLE MOUNTED ON SAID HEAD DOOR PLATE IN REGISTRY WITH SAID KNUCKLE ON SAID HEAD JAMB PLATE, A REMOVABLE PIVOT PIN COOPERATING WITH THE KNUCKLE OF SAID HEAD JAMB PLATE AND THE KNUCKLE OF SAID HEAD DOOR PLATE PROVIDING PIVOTAL CONNECTION BETWEEN SAID HINGE LEAVES, SAID KNUCKLES BEING LATERALLY OFFSET SUFFICIENTLY FROM THE DIHEDRAL ANGLE HINGE LEAVES SO THE AXIS OF THE PIVOT PIN WILL LIE OUTSIDE OF THE PLANE OF A DOOR WHICH THE HINGE IS ADAPTED TO SUPPORT, MEANS TO RETAIN SAID PIVOT PIN IN OPERATIVE RELATION WITH RESPECT TO SAID KNUCKLES, SAID PIVOT PIN SERVING TO MAINTAIN SAID DIHEDRAL ANGLE DOOR LEAF OPERATIVELY CONNECTED TO SAID DIHEDRAL ANGLE JAMB LEAF SO THAT SAID DIHEDRAL ANGLE DOOR LEAF MAY PIVOT FROM A NESTED POSITION WITHIN THE DIHEDRAL ANGLE JAMB LEAF CORRESPONDING TO A CLOSED DOOR POSITION WITHIN THE JAMBS OF A DOOR FRAME TO AN OPEN POSITION CORRESPONDING TO AN OPEN DOOR POSITION IN WHICH THE DOOR DIVERGES AWAY FROM THE DOOR RECEIVING OPENING OF THE DOOR FRAME.