Combined stopper and control means for waste disposal apparatus

Claim 1

A WASTE DISPOSAL APPARATUS FOR USE WITH A SINK AND THE LIKE STRUCTURE ADAPTED TO HAVE WATER SUPPLIED THERETO AND HAVING A DRAIN OPENING COMPRISING, A HOUSING ENCLOSING A COMMINUTING CHAMBER HAVING AN INLET OPENING FOR CONNECTION WITH SAID DRAIN OPENING FOR THE INGRESS OF WASTE MATERIAL AND WATER FROM THE SINK, POWER OPERATED COMMINUTING MEANS IN SAID CHAMBER, CLOSURE MEANS FOR SAID INLET OPENING HAVING A FIXED SEAT MEMBER WHICH HAS A PASSAGE THERETHROUGH, A CLOSURE MEMBER REMOVABLY SEATABLE ON SAID SEAT MEMBER HAVING PASSAGE MEANS THERETHROUGH FOR THE FLOW OF WATER FROM THE SINK OPENING INTO SAID HOUSING, A CLOSURE PLATE ON SAID CLOSURE MEMBER MOVABLE RELATIVE TO SAID CLOSURE MEMBER TO A SEALING POSITION TO CLOSE SAID PASSAGE MEANS TO SEAL SAID INLET OPENING AND TO ANOTHER POSITION TO OPEN SAID PASSAGE MEANS TO PERMIT WATER TO FLOW INTO SAID HOUSING FOR THE COMMINUTION OPERATION, LOCKING MEANS YIELDINGLY TO HOLD SAID CLOSURE MEMBER ON SAID SEAT MEMBER AND OPERABLY CONNECTED TO SAID PLATE SO THAT THE LOCKING MEANS EFFECTS ITS YIELDING LOCKING FUNCTION WHEN SAID PLATE IS MOVED TO SAID POSITION TO OPEN SAID PASSAGE MEANS AND IS RENDERED INEFFECTIVE SO AS TO UNLOCK SAID CLOSURE MEMBER WHEN SAID PLATE IS MOVED TO SAID SEALING POSITION, CONTROL MEANS FOR SAID POWER OPERATED COMMINUTING MEANS FOR RENDERING SAID COMMINUTING MEANS OPERATIVE AND INOPERATIVE, AND MEANS OPERABLY CONNECTING SAID CONTROL MEANS WITH SAID LOCKING MEANS TO EFFECT THE OPERATION OF SAID COMMINUTING MEANS WHEN SAID PLATE IS MOVED TO SAID OPEN POSITION AND TO STOP SAID COMMINUTING MEANS WHEN SAID PLATE IS MOVED TO SAID SEALING POSITION.