Patent ID: 6979029

Claim:
A lock comprising: a main body including an inside seat and an outside seat, the inside seat including two grooves; an inside rose liner mounted around the inside seat, the inside rose liner including a central hole, a peripheral wall delimiting the central hole of the inside rose liner including at least one pair of notches; a reinforcing ring mounted around the inside seat and inside the inside rose liner, the reinforcing ring including two tabs each having a distal end received in the respective groove of the inside seat, preventing relative rotation between the reinforcing ring and the main body, the tabs of the reinforcing ring respectively extending through said at least one pair of notches of the inside rose liner; an outside rose liner mounted around the outside seat, two positioning posts extending from an inner side of the outside rose liner, with each said positioning post having a screw hole; and two fasteners extending through the reinforcing ring and the inside rose liner into the screw holes of the positioning posts, thereby securing the reinforcing ring, the inside rose liner, and the outside rose liner together.