Bearing

Claim 1

IN A BEARING CONSTRUCTION, A MEMBER HAVING A BEARING BORE THERETHROUGH FROM SIDE TO SIDE FOR PIVOTALLY MOUNTING SAID MEMBER ON A SHAFT, SAID BEARING BORE HAVING A CYLINDRICAL SURFACE PORTION AND AT ONE END THEREOF A SIDE OF SAID MEMBER DEFINING A SHARPLY DEFINED ANNULAR LOCKING EDGE MAKING AN ACUTE ANGLE OF SLIGHTLY LESS THAN 90* WITH THE CYLINDRICAL SURFACE OF THE CYLINDRICAL SURFACE PORTION OF THE BORE AND AT THE OTHER END OF THE BORE AND EXTENDED PILOT TAPER PORTION HAVING A LARGER DIAMETER AT THE OTHER END OF THE BORE AT THE OTHER SIDE OF THE MEMBER AND TAPERING INWARDLY TO THE DIAMETER OF THE BORE, A SYNTHETIC RESIN BUSHING LOCATED IN SAID BORE HAVING A CYLINDRICAL PORTION FITTING THE CYLINDRICAL SURFACE OF SAID BORE AND AT ONE END A PILOT FLANGE HAVING A TAPERED PORTION WITH AN INITIAL DIAMETER LESS THAN THE LARGE DIAMETER OF SAID BORE, SAID PILOT FLANGE HAVING AN ANNULAR INTERNAL EDGE MAKING A SHARP CORNER WITH SAID CYLINDRICAL PORTION, SAID PILOT FLANGE HAVING A MAXIMUM DIAMETER SUFFICIENTLY SMALL SO THAT COMPRESSION OF SAID BUSHING TO A DIAMETER EQUAL TO THE DIAMETER OF SAID CYLINDRICAL SURFACE PORTION OF THE BORE DOES NOT STRESS SAID BUSHING BEYOND THE YIELD POINT, AND SAID BUSHING HAVING AT THE OTHER END A RESILIENT HEAD FLANGE HAVING A FILLET BETWEEN THE HEAD FLANGE AND SAID CYLINDRICAL PORTION FITTING SAID PILOT TAPER WITH SUFFICIENT CLEARANCE FOR DEFLECTION OF SAID HEAD FLANGE TO MOVE SAID PILOT FLANGE BEYOND SAID LOCKING EDGE SO ON RETURN MOVEMENT SAID PILOT FLANGE ENGAGES SAID LOCKING EDGE.