Range door construction

Claim 1

IN COMBINATION AN OVEN HAVING A VERTICAL WALL, MEANS FORMING AN ACCESS OPENING IN SAID WALL, A DOOR ASSEMBLY FOR SELECTIVELY OPENING AND CLOSING SAID ACCESS OPENING AND MEANS FOR MOUNTING SAID DOOR ON SAID WALL, SAID MOUNTING MEANS COMPRISING MEANS DEFINING A SOCKET IN SAID WALL, A HINGE MEMBER ADAPTED TO BE REMOVABLY CARRIED IN SAID SOCKET, MEANS FORMING COOPERATING FIXED RECESS AND DETENT FORMATIONS ON SAID HINGE MEMBER AND SAID SOCKET, SAID FORMATIONS BEING ENGAGED BY THE WEIGHT OF SAID DOOR FOR NORMALLY PREVENTING REMOVAL OF SAID HINGE MEMBER FROM SAID SOCKET, SAID HINGE MENBER AND SAID SOCKET BEING SO DIMENSIONED AS TO PERMIT DISENGAGEMENT OF SAID DETENT FROM SAID RECESS AND REMOVAL OF SAID HINGE MEMBER FROM SAID SOCKET BY RAISING SAID HINGE MEMBER WITH RESPECT TO SAID SOCKET, MEANS MOUNTING SAID HINGE MEMBER ADJACENT THE LOWER EDGE OF SAID DOOR ASSEMBLY FOR PIVOTAL MOVEMENT ABOUT A FIRST AXIS, A SPRING EXTENDING ESSENTIALLY VERTICALLY IN SAID DOOR AND BEING CONNECTED AT ONE END TO THE INTERIOR OF SAID DOOR ADJACENT THE UPPER PORTION THEREOF, A LINK MOUNTED ON SAID HINGE MEMBER FOR PIVOTAL MOVEMENT ABOUT AN AXIS SPACED FROM SAID FIRST AXIS, SAID LINK EXTENDING AWAY FROM SAID HINGE MEMBER UPWARDLY AND INTO SAID DOOR, MEANS CONNECTING THE LOWER END OF SAID SPRING TO SAID LINK WITHIN SAID DOOR WHEREBY WHEN SAID DOOR IS OPENED BY MOVEMENT THEREOF ABOUT SAID FIRST AXIS SAID SPRING IS EXTENDED TO COUNTERBALANCE THE WEIGHT OF SAID DOOR, AND DETENT MEANS POSITIONED WITHIN SAID DOOR FOR SELECTIVELY HOLDING SAID DOOR IN PREDETERMINED RELATION TO SAID HINGE MEMBER INDEPENDENTLY OF THE WEIGHT OF SAID DOOR TO DISPOSE SAID DOOR IN SLIGHTLY OPEN POSITION AND TO PERMIT SAID DOOR TO BE RAISED TO DISENGAGE AND REMOVE SAID HINGE MEMBER FROM SAID SOCKET.