Ringing watch piece

Claim 1

FOR USE IN AN ALARM CLOCK INCLUDING A MOVEMENT AND A RINGING MECHANISM; THE COMBINATION COMPRISING AN EXTERNAL CASE INCLUDING A FRONT WALL WHICH IS AT LEAST PARTIALLY TRANSPARENT AND A SIDE WALL PROJECTING FROM THE PERIPHERY OF THE FRONT WALL TO DEFINE THEREWITH A CHAMBER, A MULTIPIECE FRAME RECEIVED IN SAID CHAMBER OF THE CASE, MEANS REMOVABLY FIXING SAID FRAME WITH RESPECT TO SAID SIDE WALLS OF THE CASE, SAID FRAME INCLUDING THREE OVERLYING PLATES INCLUDING A DIAL PLATE ENGAGED AGAINST THE FRONT WALL OF THE CASE, AN INTERMEDIATELY POSITIONED MOVEMENT PLATE AND MEANS SECURING SAID MOVEMENT PLATE TO SAID DIAL PLATE TO DEFINE A COMPARTMENT FOR RECEIVING A PORTION OF THE MOVEMENT OF A CLOCK, AND A REAR PLATE SPACED FROM THE SIDE OF THE MOVEMENT PLATE OPPOSITE THE DIAL PLATE TO DEFINE WITH THE MOVEMENT PLATE A SPACE FOR RECEIVING THE RINGING MECHANISM AND BARREL OF A CLOCK, AND A DOME SHAPED BELL IN THE CASE OVERLYING AND SURROUNDING SAID REAR PLATE AND ATTACHED TO SAID REAR PLATE TO SUBSTANTIALLY CLOSE THE CASE AT ITS END OPPOSITE SAID FRONT WALL.