Journal bearing

Claim 1

IN COMBINATION, A CANTILEVER SHAFT EXTENDING FROM A SUPPORT WITH A LATERAL BEARING SURFACE AND TERMINATING IN A FREE END, A ROTARY MEMBER MOUNTED IN FRICTION BEARING RELATIONSHIP ON SAID SHAFT AND SURROUNDING THE FREE END AND MOST OF THE LATERAL BEARING SURFACE THEREOF, AND A LOCKING PLUG SEATED IN AN OPENING IN THE SHAFT AND PROTRUDING THEREFROM INTO A SPACE SURROUNDED BY SAID ROTARY MEMBER, SAID SHAFT HAVING AN AXIS, A PRESSURE SIDE AND A NON-PRESSURE SIDE, SAID ROTARY MEMBER HAVING A BEARING SURFACE WHICH CONTACTS SAID SHAFT IN THE FORM OF A SURFACE OF REVOLUTION INCLUDING A CLOSED END, AN OPEN END AND A LATERAL PORTION, SAID LATERAL PORTION INCLUDING A HOLDING SURFACE FACING TOWARD SAID CLOSED END AND EXTENDING FROM A MINIMUM DIAMETER TO A MAXIMUM DIAMETER, SAID LATERAL BEARING SURFACE AND FREE END OF THE SHAFT BEING DIVIDED INTO A SURFACE OF REVOLUTION SYMMETRIC ABOUT SAID AXIS AND OF ESSENTIALLY THE SAME SHAPE AND SIZE AS THE CORRESPONDING BEARING SURFACE OF THE ROTARY MEMBER, INCLUDING A HOLDING SURFACE FACING TOWARD ITS SUPPORTED, END, AND A RELIEVED SURFACE EXTENDING FOR AT LEAST A PORTION OF THE LENGTH OF THE SHAFT, SAID SURFACE OF REVOLUTION AND RELIEVED SURFACE OF THE SHAFT BEING RESPECTIVELY APPROXIMATELY CENTERED ON THE PRESSUE AND NON-PRESSURE SIDES OF THE SHAFT AND EACH EXTENDING CIRCUMFERENTIALLY IN BOTH DIRECTIONS FROM SAID CENTER TOWARD THE CENTER OF THE OPPOSITE SIDE, RELIEVED SURFACE LYING AT A SMALLER RADIUS FROM THE SHAFT AXIS THAN SAID SURFACE OF REVOLUTION BY AN AMOUNT ENABLING IT TO ACCOMMODATE THE ROTARY MEMBER IN A SUCCESSION OF PRE-ASSEMBLY MOTIONS IN THE FIRST OF WHICH THE ROTARY MEMBER IS SLID ON THE SHAFT WITH ITS BEARING SURFACE APPROXIMATELY CONTACTING SAID RELIEVED SURFACE AND, AT ABOUT THE CENTER OF THE PRESSURE SIDE OF THE SHAFT, THE MINIMUM DIAMETER END OF THE HOLDING SURFACE OF THE ROTARY MEMBER APPROXIMATELY CONTACTS THE MAXIMUM DIAMETER END OF THE HOLDING SURFACE OF THE SHFT, AND IN FUTHER SAID MOTIONS THE HOLDING SURFACE OF THE ROTARY MEMBER IS BROUGHT INTO REGISTRY WITH THE HOLDING SURFACE OF THE SHAFT AND THE AXIS OF THE SURFACES OF REVOLUTION OF THE TWO MEMBERS ARE BROUGHTS INTO COINCIDENCE.