Latchless door hinge

Claim 1

A HINGE TO PIVOTALLY CONNECT A DOOR TO A FRAME SO THAT THE DOOR WILL CLOSE TIGHTLY WITHOUT A LATCH, SAID HINGE COMPRISING A FIRST PORTION AND A SECOND PORTION,A HINGE PIN PIVOTALLY CONNECTING SAID FIRST AND SECOND PORTIONS, SAID FIRST PORTION INCLUDING A HINGE PLATE TO RECEIVE A FASTENER FOR ATTACHING SAID FIRST PORTION TO ONE OF SAID FRAME AND SAID DOOR, TWO SPACED HINGE PIN BEARING SLEEVES EXTENDING FROM SAID HINGE PLATE AND RECEIVING SID HINGE PIN, SAID SECOND HINGE PORTION INCLUDING A SECOND HINGE PLATE TO RECEIVE A FASTENER FOR ATTACHING SAID SECOND PORTION TO THE OTHER OF SAID DOOR AND SAID FRAME, SAID SECOND HINGE PORTION HAVING AN INTERMEDIATE HINGE PIN BEARING SLEEVE RECEIVING AN INTERMEDIATE PORTION OF SAID HINGE PIN BETWEEN SAID TWO BEARING SLEEVES, SAID INTERMEDIATE BEARING SLEEVE HAVING AN ARCUATE SURFACE AND A RECESS FORMING AN EDGE WITH SAID SURFACE, SPRING MEANS HAVING END PORTIONS HELD BY SAID SURFACE, SPRING MEANS HAVING AN INTERMEDIATE PORTION URGED TOWARD SAID INTERMEDIATE BEARING SLEEVE, A PRESSURE MEMBER MOUNTED ON THE INTERMEDIATE PORTION OF SAID SPRING MEANS, SAID PRESSURE MEMBER BEING URGED AGAINST SAID ARCUATE SURFACE OF SAID INTERMEDIATE BEARING SLEEVE FOR ALL OPEN POSITIONS OF SAID DOOR, SAID SPRING MEANS AND SAID ENGAGEABLE EDGE BEING POSITIONED SUCH THAT SAID PRESSURE MEMBER MOVES BEYOND SAID EDGE AND PARTIALLY INTO SAID RECESS AS SAID SECOND HINGE PORTION IS MOVED TO A CLOSED POSITION, WHEREBY SAID PRESSURE MEMBER IS URGED BY SAID SPRING MEANS AGAINST SAID EDGE OF SAID SECOND HINGE PORTION TO BIAS SAID DOOR BEYOND THE CLOSED POSITION.