Lever handle clutch

Claim 1

IN COMBINATION WITH A DOOR LOCK HAVING A ROTATABLE ROLLBACK OPERATIVELY CONNECTED TO A LATCH AND A ROTATABLE HANDLE MANUALLY OPERABLE FROM A FIRST STARTING POSITION TO A SECOND LATCH ACTUATING POSITION, A STATIONARY BEARING MEMBER, A SLEEVE ROTATABLE IN SAID BEARING MEMBER AND TO WHICH SAID HANDLE IS AFFIXED, A SPINDLE ROTATABLE IN SAID SLEEVE HAVING ITS INNER END NON-ROTATABLY CONNECTED TO SAID ROLLBACK, AT LEAST ONE FIRST CLUTCHING APERTURE IN SAID SLEEVE, A CORRESPONDING CLUTCHING APERTURE IN SAID SPINDLE MOVABLE INTO AXIAL ALIGNMENT WITH SAID FIRST CLUTCHING APERTURE, A CLUTCH BALL MOVABLE THROUGH SAID SPINDLE APERTURE INTO CLUTCHING ENGAGEMENT WITH THE EDGE OF SAID FIRST CLUTCHING APERTURE, A WEDGE-SHAPED FORCE ELEMENT IN SAID SPINDLE MOVABLE AGAINST SAID BALL, A SPRING MEANS IN SAID SPINDLE FOR BIASING SAID FORCE ELEMENT, AND AN ADJUSTING SCREW MOVABLE IN SAID SPINDLE AGAINST SAID SPRING FOR ADJUSTING THE COMPRESSION OF SAID SPRING.